使用Hibernate JPA將大型對象保存到Postgresql數據庫

Question

我想使用休眠jpa將大型對象保存到postgresql 。

我的實體類代碼如下：

@Entity
@Table(name = "catalog_image", schema = "public")
public class CatalogImage {

@Id
@GeneratedValue
private int imageId;

@Column(name = "image_name")
private String imageName;

@Lob
@Column(name = "image")
private Blob catlogImg;

@Column(name = "category")
private String category;

@Column(name = "image_size")
private long imgSize;

public int getImageId() {
    return imageId;
}

public void setImageId(int imageId) {
    this.imageId = imageId;
}

public String getImageName() {
    return imageName;
}

public void setImageName(String imageName) {
    this.imageName = imageName;
}

public Blob getCatlogImg() {
    return catlogImg;
}

public void setCatlogImg(Blob catlogImg) {
    this.catlogImg = catlogImg;
}

public String getCategory() {
    return category;
}

public void setCategory(String category) {
    this.category = category;
}

public long getImgSize() {
    return imgSize;
}

public void setImgSize(long imgSize) {
    this.imgSize = imgSize;
}


public CatalogImage() {
    super();
}

}

保存圖像的代碼是

@Override
@Transactional
public CatalogImage saveOrUpdateCatalogImage(String category, MultipartFile image) throws Exception {
    CatalogImage img = new CatalogImage();
    Blob blob=Hibernate.getLobCreator(sessionFactory.getCurrentSession()).createBlob(image.getInputStream(),image.getSize());
    img.setCatlogImg(blob);
    img.setCategory(category);
    img.setImageName(image.getOriginalFilename());
    img.setImgSize(image.getSize());
    this.sessionFactory.getCurrentSession().saveOrUpdate(img);
    return img;
}

但這並沒有得到保存。 我收到如下錯誤消息：

org.hibernate.exception.GenericJDBCException: could not insert: [com.book.image.accountservice.model.CatalogImage]
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2911) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3386) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:89) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:560) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:434) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:337) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1282) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.springframework.orm.hibernate4.SpringSessionSynchronization.beforeCommit(SpringSessionSynchronization.java:104) ~[spring-orm-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCommit(TransactionSynchronizationUtils.java:95) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCommit(AbstractPlatformTransactionManager.java:932) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:744) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:730) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:483) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:290) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at com.inapp.posbook.accountservice.dao.MasterDataDaoImpl$$EnhancerBySpringCGLIB$$3df5a42c.saveOrUpdateCatalogImage(<generated>) ~[classes/:na]
at com.inapp.posbook.accountservice.service.MasterDataServiceImpl.saveOrUpdateCatalogImage(MasterDataServiceImpl.java:315) ~[classes/:na]
at com.inapp.posbook.accountservice.controller.MasterDataController.uploadCatalogImage(MasterDataController.java:547) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_05]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_05]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_05]
at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_05]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) [spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) [spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) [spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-embed-websocket-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) [spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:105) [spring-boot-actuator-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:107) [spring-boot-actuator-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.4.jar:8.5.4]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_05]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_05]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.4.jar:8.5.4]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05]
Caused by: org.postgresql.util.PSQLException: Large Objects may not be used in auto-commit mode.
at org.postgresql.largeobject.LargeObjectManager.createLO(LargeObjectManager.java:304) ~[postgresql-9.4-1206-jdbc42.jar:9.4]
at org.postgresql.largeobject.LargeObjectManager.createLO(LargeObjectManager.java:291) ~[postgresql-9.4-1206-jdbc42.jar:9.4]
at org.postgresql.jdbc2.AbstractJdbc2Statement.createBlob(AbstractJdbc2Statement.java:3127) ~[postgresql-9.4-1206-jdbc42.jar:9.4]
at org.postgresql.jdbc2.AbstractJdbc2Statement.setBlob(AbstractJdbc2Statement.java:3180) ~[postgresql-9.4-1206-jdbc42.jar:9.4]
at org.hibernate.type.descriptor.sql.BlobTypeDescriptor$4$1.doBind(BlobTypeDescriptor.java:132) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.type.descriptor.sql.BasicBinder.bind(BasicBinder.java:74) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeSet(AbstractStandardBasicType.java:257) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeSet(AbstractStandardBasicType.java:252) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.type.AbstractSingleColumnStandardBasicType.nullSafeSet(AbstractSingleColumnStandardBasicType.java:39) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.dehydrate(AbstractEntityPersister.java:2598) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2883) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final]
... 86 common frames omitted

注意：我已經嘗試過byte[] ，但是得到了同樣的錯誤。 我正在使用spring boot，hibernate和postgresql db。

Answer 1

嘗試此操作，將MultipartFile圖像轉換為byte []並在postgresql中使用bytea數據類型進行存儲：

@Entity
@Table(name = "catalog_image", schema = "public")
public class CatalogImage {

@Id
@GeneratedValue
private int imageId;

@Column(name = "image_name")
private String imageName;

@Lob
@Column(name = "image")
private byte[] catlogImg;

@Column(name = "category")
private String category;

@Column(name = "image_size")
private long imgSize;

public int getImageId() {
    return imageId;
}

public void setImageId(int imageId) {
    this.imageId = imageId;
}

public String getImageName() {
    return imageName;
}

public void setImageName(String imageName) {
    this.imageName = imageName;
}

public byte[] getCatlogImg() {
    return catlogImg;
}

public void setCatlogImg(byte[] catlogImg) {
    this.catlogImg = catlogImg;
}

public String getCategory() {
    return category;
}

public void setCategory(String category) {
    this.category = category;
}

public long getImgSize() {
    return imgSize;
}

public void setImgSize(long imgSize) {
    this.imgSize = imgSize;
}


public CatalogImage() {
    super();
}

} 

處理圖像的代碼是：

@Override
@Transactional
public CatalogImage saveOrUpdateCatalogImage(String category, MultipartFile image) throws Exception {
    CatalogImage img = new CatalogImage();
    byte[] imageData = new byte[(int) image.length()];
    try {
    FileInputStream fileInputStream = new FileInputStream(image);
    fileInputStream.read(imageData);
    fileInputStream.close();
    } catch (Exception e) {
    e.printStackTrace();
    }
    img.setCatlogImg(imageData);
    img.setCategory(category);
    img.setImageName(image.getOriginalFilename());
    img.setImgSize(image.getSize());
    this.sessionFactory.getCurrentSession().saveOrUpdate(img);
    return img;
}

Answer 2

想確認一下。 您是否在項目中進行了這些更改？：

所需的罐子：

<dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.3.1</version>
</dependency>

上下文XML配置：

<beans:bean class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!-- setting maximum upload size -->
    <beans:property name="maxUploadSize" value="100000" />
</beans:bean>