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org.hibernate.exception.ConstraintViolationException: could not execute statement

I am getting the below error, when I try to add a app and app settings. Here is the detailed error message:

org.hibernate.exception.ConstraintViolationException: could not
execute statement   at
org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:72)
    at
org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)
    at
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126)
    at
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112)
    at
org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:211)
    at
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
    at
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58)
    at
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3032)
    at
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3558)
    at
org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:98)
    at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:492)
    at
org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:197)
    at
org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:181)
    at
org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:216)
    at
org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:334)
    at
org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:289)
    at
org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195)
    at
org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:126)
    at
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:209)
    at
org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55)
    at
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:194)
    at
org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49)
    at
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
    at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:715)
    at org.hibernate.internal.SessionImpl.save(SessionImpl.java:707)    at
org.hibernate.internal.SessionImpl.save(SessionImpl.java:702)   at
com.ips.tvadmindao.services.TVAppService.addTVappsWithSettings(TVAppService.java:237)
    at TVAppserviseTest.testsSaveApps(TVAppserviseTest.java:46)     at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)     at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)    at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)  at
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)     at
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)   at
org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)     at
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)    at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)    at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by:
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException:
Column 'company_id' cannot be null  at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:400)     at
com.mysql.jdbc.Util.getInstance(Util.java:383)  at
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)   at
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3847)  at
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3783)  at
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2447)   at
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2594)    at
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2545)     at
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1901)
    at
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2113)
    at
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2049)
    at
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2034)
    at
com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:147)
    at
org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:208)
    ... 50 more






2015-12-21 21:23:15 DEBUG SqlExceptionHelper:139 - could not execute
statement [n/a]
    com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException:
Column 'company_id' cannot be null
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:400)
        at com.mysql.jdbc.Util.getInstance(Util.java:383)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3847)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3783)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2447)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2594)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2545)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1901)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2113)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2049)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2034)
        at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:147)
        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:208)
        at org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
        at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58)
        at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3032)
        at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3558)
        at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:98)
        at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:492)
        at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:197)
        at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:181)
        at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:216)
        at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:334)
        at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:289)
        at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195)
        at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:126)
        at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:209)
        at org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55)
        at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:194)
        at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49)
        at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
        at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:715)
        at org.hibernate.internal.SessionImpl.save(SessionImpl.java:707)
        at org.hibernate.internal.SessionImpl.save(SessionImpl.java:702)
        at com.ips.tvadmindao.services.TVAppService.addTVappsWithSettings(TVAppService.java:237)
        at TVAppserviseTest.testsSaveApps(TVAppserviseTest.java:46)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
        at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
    2015-12-21 21:23:15 WARN  SqlExceptionHelper:144 - SQL Error: 1048, SQLState: 23000
    2015-12-21 21:23:15 ERROR SqlExceptionHelper:146 - Column 'company_id' cannot be null

Here is the junit test

@Test
    public void testsSaveApps() {
        List<AppSetting> settings = new ArrayList<AppSetting>();
        //int settingid = types.getMaxSettingId()+1;
        settings.add(createSettingsOne());
        settings.add(createSettingsTwo());
        assertEquals(true,types.addTVappsWithSettings( 1,13, "App1", settings, "Danka" ) );
        
    }
    
    private static AppSetting createSettingsOne(){
        
        AppSetting setting = new AppSetting();
        setting.setCreated_by("Kasun");
        LocalDateTime time = new LocalDateTime();
        setting.setCreated_time(time);
        setting.setDisplayOrder(1);
        setting.setEditable(true);
        setting.setSettings_key("url");
        setting.setSettings_value("www.google.com");
        setting.setUpdated_time(time);
        setting.setUpdated_by("Kasun");
        //setting.setSettings_id(settingid);
        return setting;
    }
    private static AppSetting createSettingsTwo(){
        
        AppSetting setting = new AppSetting();
        setting.setCreated_by("Kasun");
        LocalDateTime time = new LocalDateTime();
        setting.setCreated_time(time);
        setting.setDisplayOrder(2);
        setting.setEditable(true);
        setting.setSettings_key("url2");
        setting.setSettings_value("www.CBC.com");
        setting.setUpdated_time(time);
        setting.setUpdated_by("Kasun");
        //setting.setSettings_id(settingid);
        
        return setting;
    }

This is the app and settings saving method

public boolean addTVappsWithSettings(int appTypeId,int companyid, String appName, List<AppSetting> settings, String createdBy) {
    //set properties of the app to persist
    App app = new App();

    //app.setSettings_id(settingid);
//  app.setSettings_id(settingid);
    app.setApp_id(appTypeId);
    app.setCompany_id(companyid);
    app.setApp_name(appName);
    app.setCreated_by(createdBy);
    LocalDateTime created_time = new LocalDateTime();
    app.setCreated_time(created_time);
    app.setUpdated_by(createdBy);
    app.setUpdated_time(created_time);
    app.setEnable(true);
    app.setapps(settings);
    session.save(app);
    if (!HibernateUtil.INSTANCE.commitTransaction())
        return false;
    return true;
}

These are DAO classes.

@Entity
@Table(name="company")
public class Company {
    @Id  //primary key
    @GeneratedValue(strategy = GenerationType.IDENTITY)//strategy for generating auto generated number
    @Column(name= "company_id", nullable = false)
    private int company_id; 
    
    @OneToMany(fetch = FetchType.EAGER,cascade = CascadeType.ALL)
    @Fetch(value = FetchMode.SUBSELECT)
    @JoinColumn(name = "company_id", nullable = false)
    private List<App> threatviewapps = new ArrayList<App>();
    
    @NotEmpty
    @Column(name= "short_name", nullable = false)
    private String short_name;
    
    @NotEmpty
    @Column(name= "company_description", nullable = false)
    private String company_description;
    
    @NotEmpty
    @Column(name= "company_name", nullable = false)
    private String company_name;
    
    @Type(type="org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name= "created_time", nullable = false)
    private LocalDateTime created_time;
    
    @Column(name= "created_by", nullable = false)
    private String created_by;
    
    @Type(type="org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name= "update_time", nullable = false)
    private LocalDateTime update_time;

    @Column(name= "updated_by", nullable = false)
    private String updated_by; 
    
    @Column(name= "enable", nullable = false)
    private boolean enable;

This is the App DAO

@Entity
@Table(name = "apps")
public class App {

    @Id // primary key
    @GeneratedValue(strategy = GenerationType.IDENTITY) 
    @Column(name = "settings_id", insertable = false, updatable = false)
    private int settings_id;
    

    @Column(name = "app_id", nullable = false)
    private int app_id;

/*  @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
    @JoinColumn(name = "settings_id", nullable = false)
    private List<AppSetting> tvsettings = new ArrayList<AppSetting>();*/

    @ElementCollection
    @CollectionTable(name="threatview_app_settings",joinColumns = @JoinColumn(name = "settings_id"))
    private List<AppSetting> tvsettings = new ArrayList<AppSetting>();
    
    
    @Column(name = "company_id", insertable = false, updatable = false)
    private int company_id;

    @Column(name = "app_name", nullable = false)
    private String app_name;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "created_time", nullable = false)
    private LocalDateTime created_time;

    @Column(name = "created_by", nullable = false)
    private String created_by;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "updated_time", nullable = false)
    private LocalDateTime updated_time;

    @Column(name = "updated_by", nullable = false)
    private String updated_by;

    @Column(name = "enable", nullable = false)
    private boolean enable;

Why do I get the above error? If you guys need any more information, please let me know.

Update

@Entity
@IdClass(SettingIDKey.class)
@Table(name = "app_settings")
public class AppSetting {


    @Id
    private int settings_id;
    
    @Id
    private String settings_key;
  

    @Column(name = "settings_value", nullable = false)
    private String settings_value;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "created_time", nullable = false)
    private LocalDateTime created_time;

    @Column(name = "created_by", nullable = false)
    private String created_by;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "updated_time", nullable = false)
    private LocalDateTime updated_time;

    @Column(name = "updated_by", nullable = false)
    private String updated_by;

    @Column(name = "editable", nullable = false)
    private boolean editable;

    @Column(name = "enable", nullable = false)
    private boolean enable;
    
    @Column(name = "display_order", nullable = false)
    private int displayOrder;

In your case you have made OneToMany as owning side for company_id. ie, Company class is owning side.

In this scenario inserting a App record results in two queries one insert and one update. First is the insert statement that performs an insert into App table without company_id (as this is not owning side) and then it fires an update query to update the company_id. So for the first insert statement to succeed it requires company_id to be a null field in database. Else it will throw ConstraintViolationException.

If you make ManyToOne as owning side, then it results in a single insert statement in App table. So company_id field can be null in this case.

So with this, I see two options:

  1. Either make company_id as null field in database.
  2. Make ManyToOne as owning side.

The below output helps in understanding the above statements. I have Forest class which has OneToMany relation with Tree class.

WITH MANY-TO-ONE SIDE OWNING

Hibernate: values identity_val_local()
Hibernate: insert into Tree (id, "COUNT", FOREST, name, version) values (default, ?, ?, ?, ?)

WITH ONE-TO-MANY SIDE OWNING

Hibernate: insert into Tree (id, "COUNT", name, version) values (default, ?, ?, ?)
Hibernate: values identity_val_local()
Hibernate: update Tree set FOREST=?, index=? where id=?

The problem seems to be in App.java

@Column(name = "company_id", insertable = false, updatable = false)
private int company_id;

By setting insertable = false you're telling Hibernate not to include it in the INSERT statement. With that and updatable = false you can never set it without explicit queries.

in your form look at the name of the company_id antite is it the same with what is in the database. If yes, you must give the company id at the form level.

If you are creating a non-nullable variable but missed to give the values or default values it will throw this error.

Example:

 @Column(name = "number_of_reschedules", nullable = false, columnDefinition = "NUMBER(10) default 0")
 private Integer numberOfReschedules;

In this example, I create this column with "nullable = false". But I missed to give default value.

Boia tarde pessoal alguma alma de deus pode me ajudar com isso o exemplo q segui vai de boa e qndo coloco minha tabela da erro de duplicidade al tentar efetuar uma alteração. estou usando spring boot

aqui esta a pilha de erro

org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "uk_exw5vja1pgfobcpqtldhnx6uv" Detalhe: Key (nome)=(teste) already exists. at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2674) ~[postgresql-42.3.1.jar:42.3.1] at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2364) ~[postgresql-42.3.1.jar:42.3.1] at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:354) ~[postgresql-42.3.1.jar:42.3.1] at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:484) ~[postgresql-42.3.1.jar:42.3.1] at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:404) ~[postgresql-42.3.1.jar:42.3.1] at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:162) ~[postgresql-42.3.1.jar:42.3.1] at org.postgresql.jdbc.PgPreparedStatement.executeUpdate(PgPreparedStatement.java:130) ~[postgresql-42.3.1.jar:42.3.1] at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProx yPreparedStatement.java) ~[HikariCP-4.0.3.jar:na] at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:197) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:46) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3375) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3908) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:107) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:604) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.engine.spi.ActionQueue.lambda$executeActions$1(ActionQueue.java:478) ~[hibernate-core-5.6.3 .Final.jar:5.6.3.Final] at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:721) ~[na:na] at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:475) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:344) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:40) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:107) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1402) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:493) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.internal.SessionImpl.flushBeforeTransactionCo mpletion(SessionImpl.java:3285) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2420) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:449) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:183) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$300(JdbcResourceLocalTransactionCoordinatorImpl.java:40) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImp l.java:281) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:101) ~[hibernate-core-5.6.3.Final.jar:5.6.3.Final] at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:562) ~[spring-orm-5.3.14.jar:5.3.14] at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:743) ~[spring-tx-5.3.14.jar:5.3.14] at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:711) ~[spring-tx-5.3.14.jar:5.3.14] at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:654) ~[spring-tx-5.3.14.jar:5.3.14] at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:407) ~[spring-tx-5.3.14.jar:5.3.14] at org.springfr amework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-5.3.14.jar:5.3.14] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.14.jar:5.3.14] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.14.jar:5.3.14] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.14.jar:5.3.14] at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:174) ~[spring-data-jpa-2.6.0.jar:2.6.0] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.14.jar:5.3.14] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.in voke(ExposeInvocationInterceptor.java:97) ~[spring-aop-5.3.14.jar:5.3.14] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.14.jar:5.3.14] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) ~[spring-aop-5.3.14.jar:5.3.14] at jdk.proxy6/jdk.proxy6.$Proxy131.save(Unknown Source) ~[na:na] at br.com.livros.service.UsuariosService.saveUsuarios(UsuariosService.java:25) ~[classes/:na] at br.com.livros.controler.UsuariosController.saveUsuarios(UsuariosController.java:44) ~[classes/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na] at org.sprin gframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.14.jar:5.3.14] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.14.jar:5.3.14] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.Dis patcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.14.jar:5.3.14] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.14.jar:5.3.14] at javax.servlet.http.HttpServlet.service(HttpServlet.java:681) ~[tomcat-embed-core-9.0.56.jar:4.0.FR] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.14.jar:5.3.14] at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.56.jar:4.0.FR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli cationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.56.jar:9.0.56] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.14.jar:5.3.14] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.14.jar:5.3.14] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.sp ringframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.14.jar:5.3.14] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.14.jar:5.3.14] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.14.jar:5.3.14] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.14.jar:5.3.14] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil terChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382) ~[to mcat-embed-core-9.0.56.jar:9.0.56] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.56.jar:9.0.56] at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]

I am getting the below error, when I try to add a app and app settings. Here is the detailed error message:

org.hibernate.exception.ConstraintViolationException: could not execute statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:72) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:211) at org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96) at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3032) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3558) at org.hiber nate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:98) at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:492) at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:197) at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:181) at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:216) at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:334) at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:289) at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195) at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:126) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:209) at org.hib ernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:194) at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90) at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:715) at org.hibernate.internal.SessionImpl.save(SessionImpl.java:707) at org.hibernate.internal.SessionImpl.save(SessionImpl.java:702) at com.ips.tvadmindao.services.TVAppService.addTVappsWithSettings(TVAppService.java:237) at TVAppserviseTest.testsSaveApps(TVAppserviseTest.java:46) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccess orImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.Pare ntRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrit yConstraintViolationException: Column 'company_id' cannot be null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:400) at com.mysql.jdbc.Util.getInstance(Util.java:383) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3847) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3783) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2447) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2594) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2545) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1901) at com.mysql.jdbc.PreparedStatemen t.executeUpdate(PreparedStatement.java:2113) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2049) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2034) at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:147) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:208) ... 50 more

2015-12-21 21:23:15 DEBUG SqlExceptionHelper:139 - could not execute statement [n/a] com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'company_id' cannot be null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:400) at com.mysql.jdbc.Util.getInstance(Util.java:383) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3847) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3783) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2447) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2594) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionI mpl.java:2545) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1901) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2113) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2049) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2034) at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:147) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:208) at org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96) at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3032) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3558) at org.hibernate.action.internal.EntityIdentityInse rtAction.execute(EntityIdentityInsertAction.java:98) at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:492) at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:197) at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:181) at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:216) at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:334) at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:289) at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195) at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:126) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:209) at org.hibernate.event.internal.DefaultSaveEventL istener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:194) at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90) at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:715) at org.hibernate.internal.SessionImpl.save(SessionImpl.java:707) at org.hibernate.internal.SessionImpl.save(SessionImpl.java:702) at com.ips.tvadmindao.services.TVAppService.addTVappsWithSettings(TVAppService.java:237) at TVAppserviseTest.testsSaveApps(TVAppserviseTest.java:46) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI mpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java: 288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) 2015-12-21 21:23:15 WARN SqlExceptionHelper:144 - SQL Error: 1048, SQLState: 23000 2015-12-21 2 1:23:15 ERROR SqlExceptionHelper:146 - Column 'company_id' cannot be null

Here is the junit test

@Test
    public void testsSaveApps() {
        List<AppSetting> settings = new ArrayList<AppSetting>();
        //int settingid = types.getMaxSettingId()+1;
        settings.add(createSettingsOne());
        settings.add(createSettingsTwo());
        assertEquals(true,types.addTVappsWithSettings( 1,13, "App1", settings, "Danka" ) );

    }

    private static AppSetting createSettingsOne(){

        AppSetting setting = new AppSetting();
        setting.setCreated_by("Kasun");
        LocalDateTime time = new LocalDateTime();
        setting.setCreated_time(time);
        setting.setDisplayOrder(1);
        setting.setEditable(true);
        setting.setSettings_key("url");
        setting.setSettings_value("www.google.com");
        setting.setUpdated_time(time);
        setting.setUpdated_by("Kasun");
        //setting.setSettings_id(settingid);
        return setting;
    }
    private static AppSetting createSettingsTwo(){

        AppSetting setting = new AppSetting();
        setting.setCreated_by("Kasun");
        LocalDateTime time = new LocalDateTime();
        setting.setCreated_time(time);
        setting.setDisplayOrder(2);
        setting.setEditable(true);
        setting.setSettings_key("url2");
        setting.setSettings_value("www.CBC.com");
        setting.setUpdated_time(time);
        setting.setUpdated_by("Kasun");
        //setting.setSettings_id(settingid);

        return setting;
    }

This is the app and settings saving method

public boolean addTVappsWithSettings(int appTypeId,int companyid, String appName, List<AppSetting> settings, String createdBy) {
    //set properties of the app to persist
    App app = new App();

    //app.setSettings_id(settingid);
//  app.setSettings_id(settingid);
    app.setApp_id(appTypeId);
    app.setCompany_id(companyid);
    app.setApp_name(appName);
    app.setCreated_by(createdBy);
    LocalDateTime created_time = new LocalDateTime();
    app.setCreated_time(created_time);
    app.setUpdated_by(createdBy);
    app.setUpdated_time(created_time);
    app.setEnable(true);
    app.setapps(settings);
    session.save(app);
    if (!HibernateUtil.INSTANCE.commitTransaction())
        return false;
    return true;
}

These are DAO classes.

@Entity
@Table(name="company")
public class Company {
    @Id  //primary key
    @GeneratedValue(strategy = GenerationType.IDENTITY)//strategy for generating auto generated number
    @Column(name= "company_id", nullable = false)
    private int company_id; 

    @OneToMany(fetch = FetchType.EAGER,cascade = CascadeType.ALL)
    @Fetch(value = FetchMode.SUBSELECT)
    @JoinColumn(name = "company_id", nullable = false)
    private List<App> threatviewapps = new ArrayList<App>();

    @NotEmpty
    @Column(name= "short_name", nullable = false)
    private String short_name;

    @NotEmpty
    @Column(name= "company_description", nullable = false)
    private String company_description;

    @NotEmpty
    @Column(name= "company_name", nullable = false)
    private String company_name;

    @Type(type="org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name= "created_time", nullable = false)
    private LocalDateTime created_time;

    @Column(name= "created_by", nullable = false)
    private String created_by;

    @Type(type="org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name= "update_time", nullable = false)
    private LocalDateTime update_time;

    @Column(name= "updated_by", nullable = false)
    private String updated_by; 

    @Column(name= "enable", nullable = false)
    private boolean enable;

This is the App DAO

@Entity
@Table(name = "apps")
public class App {

    @Id // primary key
    @GeneratedValue(strategy = GenerationType.IDENTITY) 
    @Column(name = "settings_id", insertable = false, updatable = false)
    private int settings_id;


    @Column(name = "app_id", nullable = false)
    private int app_id;

/*  @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
    @JoinColumn(name = "settings_id", nullable = false)
    private List<AppSetting> tvsettings = new ArrayList<AppSetting>();*/

    @ElementCollection
    @CollectionTable(name="threatview_app_settings",joinColumns = @JoinColumn(name = "settings_id"))
    private List<AppSetting> tvsettings = new ArrayList<AppSetting>();


    @Column(name = "company_id", insertable = false, updatable = false)
    private int company_id;

    @Column(name = "app_name", nullable = false)
    private String app_name;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "created_time", nullable = false)
    private LocalDateTime created_time;

    @Column(name = "created_by", nullable = false)
    private String created_by;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "updated_time", nullable = false)
    private LocalDateTime updated_time;

    @Column(name = "updated_by", nullable = false)
    private String updated_by;

    @Column(name = "enable", nullable = false)
    private boolean enable;

Why do I get the above error? If you guys need any more information, please let me know.

Update

@Entity
@IdClass(SettingIDKey.class)
@Table(name = "app_settings")
public class AppSetting {


    @Id
    private int settings_id;

    @Id
    private String settings_key;


    @Column(name = "settings_value", nullable = false)
    private String settings_value;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "created_time", nullable = false)
    private LocalDateTime created_time;

    @Column(name = "created_by", nullable = false)
    private String created_by;

    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDateTime")
    @Column(name = "updated_time", nullable = false)
    private LocalDateTime updated_time;

    @Column(name = "updated_by", nullable = false)
    private String updated_by;

    @Column(name = "editable", nullable = false)
    private boolean editable;

    @Column(name = "enable", nullable = false)
    private boolean enable;

    @Column(name = "display_order", nullable = false)
    private int displayOrder;

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