java.sql.SQLException：没有合适的驱动程序使用datasource-postgresql-spring mvc [重复]

Question

这个问题在这里已经有了答案：

臭名昭著的 java.sql.SQLException: No suitable driver found (21 answers)

4 小时前关闭。

大家好首先很抱歉我的英语不好我在登录页面上尝试输入用户名和密码时遇到问题

Answer 1

 package com.luv2code.springsecurity.demo.config; import javax.sql.DataSource; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Configuration; import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder; import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; @Configuration @EnableWebSecurity public class DemoSecurityConfig extends WebSecurityConfigurerAdapter { //add a reference to our security data source @Autowired private DataSource securityDataSource; @Override protected void configure(AuthenticationManagerBuilder auth) throws Exception { // -------Hard Coded convert to comment beacouse i want to read data from database //add our users for in memory authentication /* UserBuilder users=User.withDefaultPasswordEncoder(); auth.inMemoryAuthentication().withUser(users.username("qq").password("qq").roles("EMPLOYEE")).withUser(users.username("mary").password("test123").roles("EMPLOYEE","MANAGER")).withUser(users.username("susan").password("test123").roles("EMPLOYEE","ADMIN")).withUser(users.username("q").password("q").roles("EMPLOYEE","SENIOR")); */ //use jdbc authentication...oh yeah..; auth.jdbcAuthentication().dataSource(securityDataSource). } @Override protected void configure(HttpSecurity http) throws Exception { /* http.authorizeRequests().anyRequest().authenticated() We want to delete /comment this line because we want to restrict access based on specific rols.and().formLogin().loginPage("/showMyLoginPage").loginProcessingUrl("/authenticateTheUser").permitAll();and().logout().permitAll(). */ http.authorizeRequests().antMatchers("/").hasRole("EMPLOYEE").antMatchers("/leaders/**").hasRole("MANAGER").antMatchers("/systems/**").hasRole("ADMIN").and().formLogin().loginPage("/showMyLoginPage").loginProcessingUrl("/authenticateTheUser").permitAll().and().logout().permitAll();and() .exceptionHandling().accessDeniedPage("/access-denied"); } }

 package com.luv2code.springsecurity.demo.config; import java.beans.PropertyVetoException; import java.util.logging.Logger; import javax.sql.DataSource; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.PropertySource; import org.springframework.core.env.Environment; import org.springframework.web.servlet.ViewResolver; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.view.InternalResourceViewResolver; import com.mchange.v2.c3p0.ComboPooledDataSource; @Configuration @EnableWebMvc // use to provides similar support to <mvc:annotation-driven> @ComponentScan(basePackages = "com.luv2code.springsecurity.demo") @PropertySource("classpath:persistence-postgresql.properties") public class DemoAppConfig { // set up variable to hold the properties @Autowired private Environment env;// to read information for properties file // set up a logger for diagnostics private Logger logger = Logger.getLogger(getClass().getName()); // define a bean for ViewResolver @Bean public ViewResolver viewResolver() { InternalResourceViewResolver viewResolver = new InternalResourceViewResolver(); viewResolver.setPrefix("/WEB-INF/view/"); viewResolver.setSuffix(".jsp"); return viewResolver; } // define a bean for our security datasource @Bean // configration noxml public DataSource securityDataSource() { // create a connection pool ComboPooledDataSource securityDataSource = new ComboPooledDataSource(); // set the jdbc driver class try { securityDataSource.setDriverClass(env.getProperty("jdbc.driver")); logger.info(">> jdbc.driver="+env.getProperty("jdbc.driver")); } catch (PropertyVetoException exc) { throw new RuntimeException(); } // log the connection props // for sanity's sake, log this info // just to make sure we are REALLY reading data from properties file logger.info(">>> jdbc.url=" + env.getProperty("jdbc.url")); logger.info(">>> jdbc.user=" + env.getProperty("jdbc.user")); // set database connection props securityDataSource.setJdbcUrl(env.getProperty("jdbc.url")); securityDataSource.setJdbcUrl(env.getProperty("jdbc.user")); securityDataSource.setJdbcUrl(env.getProperty("jdbc.password")); // set connection pool props securityDataSource.setInitialPoolSize(getIntProperty("connection.pool.initialPoolSize")); securityDataSource.setMinPoolSize(getIntProperty("connection.pool.minPoolSize")); securityDataSource.setMaxPoolSize(getIntProperty("connection.pool.maxPoolSize")); securityDataSource.setMaxIdleTime(getIntProperty("connection.pool.maxIdleTime")); return securityDataSource; } // need a helper method // read environment property and convert to int private int getIntProperty(String propName) { String propVal = env.getProperty(propName); // now convert to int int intPropVal = Integer.parseInt(propVal); return intPropVal; } }

 # # JDBC connection properties # jdbc.driver=org.postgresql.Driver jdbc.url=jdbc:postgresql://localhost:5432/spring_security_demo_plaintext_database?useSSL=false&serverTimezone=UTC jdbc.user=spring_security_demo_plaintext_user jdbc.password=sys # # Connection pool properties # connection.pool.initialPoolSize=5 connection.pool.minPoolSize=5 connection.pool.maxPoolSize=20 connection.pool.maxIdleTime=3000

 java.sql.SQLException: No suitable driver at java.sql/java.sql.DriverManager.getDriver(DriverManager.java:298) at com.mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java:240) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:131) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:156) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:145) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1086) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1073) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1810) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:648) Sep 26, 2022 11:26:40 AM com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask run WARNING: com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@6c99803b -- Acquisition Attempt Failed.,. Clearing pending acquires: While trying to acquire a needed new resource. we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.sql.SQLException. No suitable driver at java.sql/java.sql:DriverManager.getDriver(DriverManager.java.298) at com.mchange.v2.c3p0:DriverManagerDataSource.driver(DriverManagerDataSource.java.240) at com.mchange.v2.c3p0:DriverManagerDataSource.getConnection(DriverManagerDataSource.java.131) at com.mchange.v2.c3p0:WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java.156) at com.mchange.v2.c3p0:WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java.145) at com.mchange.v2.c3p0.impl:C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java.200) at com.mchange.v2.resourcepool:BasicResourcePool.doAcquire(BasicResourcePool.java.1086) at com.mchange.v2.resourcepool:BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java.1073) at com.mchange.v2.resourcepool:BasicResourcePool.access$800(BasicResourcePool.java.44) at com.mchange.v2.resourcepool:BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java.1810) at com.mchange.v2.async:ThreadPoolAsynchronousRunner$PoolThread,run(ThreadPoolAsynchronousRunner:java:648) Sep 26. 2022 11.26.40 AM com.mchange:v2.resourcepool.BasicResourcePool$ScatteredAcquireTask run WARNING. com.mchange.v2,resourcepool.BasicResourcePool$ScatteredAcquireTask@6b3d47f -- Acquisition Attempt Failed:.. Clearing pending acquires: While trying to acquire a needed new resource. we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception. java.sql.SQLException: No suitable driver at java.sql/java.sql.DriverManager.getDriver(DriverManager.java.298) at com:mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java.240) at com:mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java.131) at com:mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java.156) at com:mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java.145) at com.mchange:v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java.200) at com:mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java.1086) at com:mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java.1073) at com:mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java.44) at com:mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java.1810) at com:mchange,v2:async:ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java.648) Sep 26. 2022 11:26,40 AM com.mchange.v2.resourcepool.BasicResourcePool forceKillAcquires WARNING. Having failed to acquire a resource. com,mchange:v2:resourcepool.BasicResourcePool@59699bfd is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. Sep 26. 2022 11:26,40 AM com.mchange.v2.resourcepool.BasicResourcePool forceKillAcquires WARNING. Having failed to acquire a resource. com,mchange:v2:resourcepool.BasicResourcePool@59699bfd is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. Sep 26. 2022 11:26,40 AM com.mchange.v2.resourcepool.BasicResourcePool forceKillAcquires WARNING. Having failed to acquire a resource. com,mchange:v2:resourcepool.BasicResourcePool@59699bfd is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. Sep 26. 2022 11:26.40 AM com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask run WARNING, com.mchange:v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@554bd2ed -- Acquisition Attempt Failed:.. Clearing pending acquires. While trying to acquire a needed new resource. we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.sql.SQLException. No suitable driver at java.sql/java.sql.DriverManager:getDriver(DriverManager.java.298) at com.mchange.v2.c3p0.DriverManagerDataSource:driver(DriverManagerDataSource.java.240) at com.mchange.v2.c3p0.DriverManagerDataSource:getConnection(DriverManagerDataSource.java.131) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource:getPooledConnection(WrapperConnectionPoolDataSource.java.156) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource:java.145) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager:acquireResource(C3P0PooledConnectionPool.java.200) at com.mchange.v2.resourcepool.BasicResourcePool:doAcquire(BasicResourcePool.java.1086) at com.mchange.v2.resourcepool.BasicResourcePool:doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java.1073) at com.mchange.v2.resourcepool.BasicResourcePool:access$800(BasicResourcePool.java.44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask:run(BasicResourcePool,java:1810) at com:mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner:java.648) Sep 26. 2022 11.26.40 AM com.mchange,v2.resourcepool:BasicResourcePool$ScatteredAcquireTask run WARNING. com.mchange:v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@26385173 -- Acquisition Attempt Failed... Clearing pending acquires: While trying to acquire a needed new resource. we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception. java.sql.SQLException. No suitable driver at java:sql/java.sql.DriverManager.getDriver(DriverManager.java.298) at com.mchange:v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java.240) at com.mchange:v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java.131) at com.mchange:v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java.156) at com.mchange.v2:c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java.145) at com.mchange.v2:c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java.200) at com.mchange:v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java.1086) at com.mchange:v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java.1073) at com.mchange:v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java.44) at com.mchange:v2,resourcepool:BasicResourcePool$ScatteredAcquireTask:run(BasicResourcePool.java.1810) at com.mchange.v2:async,ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java.648) Sep 26. 2022 11.26.40 AM com,mchange:v2:resourcepool.BasicResourcePool forceKillAcquires WARNING. Having failed to acquire a resource. com.mchange:v2,resourcepool.BasicResourcePool@59699bfd is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. Sep 26. 2022 11.26.40 AM com,mchange:v2:resourcepool.BasicResourcePool forceKillAcquires WARNING. Having failed to acquire a resource. com.mchange.v2:resourcepool.BasicResourcePool@59699bfd is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. Sep 26. 2022 11.26:40 AM org;springframework.security.web:authentication.AbstractAuthenticationProcessingFilter doFilter SEVERE. An internal error occurred while trying to authenticate the user. org.springframework.security.authentication.InternalAuthenticationServiceException: Failed to obtain JDBC Connection. nested exception is java.sql.SQLException. Connections could not be acquired from the underlying database. at org.springframework.security:authentication.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java.117) at org.springframework:security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java.144) at org:springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java.174) at org.springframework:security.authentication.ProviderManager.authenticate(ProviderManager.java.199) at org.springframework.security:web.authentication.UsernamePasswordAuthenticationFilter.attemptAuthentication(UsernamePasswordAuthenticationFilter.java.94) at org.springframework:security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java.212) at org.springframework.security:web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java.334) at org.springframework.security:web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java.116) at org.springframework:security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java.334) at org.springframework:security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java.124) at org:springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java.107) at org.springframework:security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java.334) at org.springframework:security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java.64) at org:springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java.107) at org.springframework:security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java.334) at org.springframework:security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java.105) at org.springframework.security.web:FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java.334) at org.springframework.security.web:context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java.56) at org:springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java.107) at org:springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java.334) at org:springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java.215) at org:springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java.178) at org:springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java.357) at org:springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java.270) at org:apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java.189) at org:apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java.162) at org:apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java.197) at org:apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java.97) at org:apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java.540) at org:apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java.135) at org:apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java.92) at org:apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java.687) at org:apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java.78) at org:apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:359) at org.apache.coyote.http11.Http11Processor.service(Http11Processor:java.399) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java.889) at org:apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java.1735) at org.apache:tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java.49) at org.apache.tomcat:util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java.1191) at org.apache.tomcat:util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java.659) at org:apache:tomcat.util.threads.TaskThread$WrappingRunnable:run(TaskThread;java.61) at java.base/java:lang.Thread.run(Thread.java.835) Caused by. org.springframework:jdbc.CannotGetJdbcConnectionException. Failed to obtain JDBC Connection. nested exception is java.sql.SQLException. Connections could not be acquired from the underlying database: at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81) at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:600) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:657) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:688) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java.700) at org.springframework:jdbc.core.JdbcTemplate.query(JdbcTemplate.java.751) at org.springframework.security.core:userdetails.jdbc.JdbcDaoImpl.loadUsersByUsername(JdbcDaoImpl.java.227) at org.springframework.security:core.userdetails.jdbc.JdbcDaoImpl:loadUserByUsername(JdbcDaoImpl.java.184) at org:springframework.security.authentication.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:106)... 42 more Caused by. java.sql.SQLException. Connections could not be acquired from the underlying database: at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java.118) at com:mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:689) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource:java.140) at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils:java.151) at org.springframework.jdbc:datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java.115) at org:springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java.78).:. 50 more Caused by. com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source. at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool:java.1418) at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:606) at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java.526) at com:mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:755) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:682) ... 54 more

 package com.luv2code.springsecurity.demo.config; import org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer; public class SecurityWebApplicationInitializer extends AbstractSecurityWebApplicationInitializer { }