我正在使用apache tomcat 7.0.52和c3p0-0.9.1.jar。
这些是连接池参数
<Resource auth="Container" factory="org.apache.naming.factory.BeanFactory"
name="jdbc/hhmefep"
driverClass="com.mysql.jdbc.Driver" connectionTesterClassName="com.mysql.jdbc.integration.c3p0.MysqlConnectionTester"
preferredTestQuery="/* ping */" idleConnectionTestPeriod="60"
jdbcUrl="jdbc:mysql:loadbalance://dba.clean,dbb.clean/hhmefep?autoReconnectForPools=true&maxReconnects=1&initialTimeout=1&retriesAllDown=2&queriesBeforeRetryMaster=50&secondsBeforeRetryMaster=5&failOverReadOnly=false&allowMasterDownConnections=true&loadBalanceBlacklistTimeout=30000&loadBalanceExceptionChecker=com.mi.utility.NdbLoadBalanceExceptionChecker&loadBalanceSQLExceptionSubclassFailover=java.sql.SQLTransientConnectionException&loadBalancePingTimeout=500&loadBalanceSQLStateFailover=08,1205&connectTimeout=100"
user="hhmefep" password="hhmefep"
initialPoolSize="25" minPoolSize="25" maxPoolSize="25" maxStatements="100"
unreturnedConnectionTimeout="60" debugUnreturnedConnectionStackTraces="true"
maxIdleTime="600" numHelperThreads="20" maxAdministrativeTaskTime="5"
testConnectionOnCheckout="true" testConnectionOnCheckin="true"
acquireRetryAttempts="3" acquireRetryDelay="500" type="com.mchange.v2.c3p0.ComboPooledDataSource" />
<Resource auth="Container" factory="org.apache.naming.factory.BeanFactory"
name="jdbc/hhmebep"
driverClass="com.mysql.jdbc.Driver" connectionTesterClassName="com.mysql.jdbc.integration.c3p0.MysqlConnectionTester"
preferredTestQuery="/* ping */" idleConnectionTestPeriod="60"
jdbcUrl="jdbc:mysql:loadbalance://dba.clean,dbb.clean/hhmebep?autoReconnectForPools=true&maxReconnects=1&initialTimeout=1&retriesAllDown=2&queriesBeforeRetryMaster=50&secondsBeforeRetryMaster=5&failOverReadOnly=false&allowMasterDownConnections=true&loadBalanceBlacklistTimeout=30000&loadBalanceExceptionChecker=com.mi.utility.NdbLoadBalanceExceptionChecker&loadBalanceSQLExceptionSubclassFailover=java.sql.SQLTransientConnectionException&loadBalancePingTimeout=500&loadBalanceSQLStateFailover=08,1205&connectTimeout=100"
user="hhmebep" password="hhmebep"
initialPoolSize="15" minPoolSize="15" maxPoolSize="15" maxStatements="100"
unreturnedConnectionTimeout="60" debugUnreturnedConnectionStackTraces="true"
maxIdleTime="600" numHelperThreads="20" maxAdministrativeTaskTime="5"
testConnectionOnCheckout="true" testConnectionOnCheckin="true"
acquireRetryAttempts="3" acquireRetryDelay="500" type="com.mchange.v2.c3p0.ComboPooledDataSource" />
<Resource auth="Container" factory="org.apache.naming.factory.BeanFactory"
name="jdbc/hhmelmtacc"
driverClass="com.mysql.jdbc.Driver" connectionTesterClassName="com.mysql.jdbc.integration.c3p0.MysqlConnectionTester"
preferredTestQuery="/* ping */" idleConnectionTestPeriod="60"
jdbcUrl="jdbc:mysql:loadbalance://dba.clean,dbb.clean/hhmelmtacc?autoReconnectForPools=true&maxReconnects=1&initialTimeout=1&retriesAllDown=2&queriesBeforeRetryMaster=50&secondsBeforeRetryMaster=5&failOverReadOnly=false&allowMasterDownConnections=true&loadBalanceBlacklistTimeout=30000&loadBalanceExceptionChecker=com.mi.utility.NdbLoadBalanceExceptionChecker&loadBalanceSQLExceptionSubclassFailover=java.sql.SQLTransientConnectionException&loadBalancePingTimeout=500&loadBalanceSQLStateFailover=08,1205&connectTimeout=100"
user="hhmelmtacc" password="hhmelmtacc"
initialPoolSize="10" minPoolSize="10" maxPoolSize="10" maxStatements="100"
unreturnedConnectionTimeout="60" debugUnreturnedConnectionStackTraces="true"
maxIdleTime="600" numHelperThreads="20" maxAdministrativeTaskTime="5"
testConnectionOnCheckout="true" testConnectionOnCheckin="true"
acquireRetryAttempts="3" acquireRetryDelay="500" type="com.mchange.v2.c3p0.ComboPooledDataSource" />
我得到的例外如下：
Jul 14, 2014 1:32:20 PM com.mchange.v2.c3p0.impl.NewPooledConnection handleThrowable
WARNING: [c3p0] A PooledConnection that has already signalled a Connection error is still in use!
Jul 14, 2014 1:32:20 PM com.mchange.v2.c3p0.impl.NewPooledConnection handleThrowable
WARNING: [c3p0] Another error has occurred [ com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed. ] which will not be reported to listeners!
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed.
at sun.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
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:409)
at com.mysql.jdbc.Util.getInstance(Util.java:384)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:624)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:549)
at com.sun.proxy.$Proxy60.prepareStatement(Unknown Source)
at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.mchange.v2.c3p0.stmt.GooGooStatementCache$1StmtAcquireTask.run(GooGooStatementCache.java:525)
at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Jul 14, 2014 1:32:20 PM com.mchange.v2.c3p0.impl.NewPooledConnection handleThrowable
WARNING: [c3p0] A PooledConnection that has already signalled a Connection error is still in use!
Jul 14, 2014 1:32:20 PM com.mchange.v2.c3p0.impl.NewPooledConnection handleThrowable
WARNING: [c3p0] Another error has occurred [ com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed. ] which will not be reported to listeners!
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed.
at sun.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
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:409)
at com.mysql.jdbc.Util.getInstance(Util.java:384)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:624)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:549)
at com.sun.proxy.$Proxy60.getAutoCommit(Unknown Source)
at com.mchange.v2.c3p0.impl.NewProxyConnection.getAutoCommit(NewProxyConnection.java:985)
at org.hibernate.jdbc.ConnectionManager.isAutoCommit(ConnectionManager.java:212)
at org.hibernate.jdbc.JDBCContext.afterNontransactionalQuery(JDBCContext.java:287)
at org.hibernate.impl.SessionImpl.afterOperation(SessionImpl.java:595)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1724)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)
at com.mii.core.gateway.MIMetadataService.getUserById(MIMetadataService.java:1278)
at com.mii.core.sec.MIUserDetailService.loadUserByUsername(MIUserDetailService.java:51)
at org.springframework.security.authentication.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:101)
at org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:132)
at com.mii.core.sec.MIIAuthenticationProvider.authenticate(MIIAuthenticationProvider.java:12)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:156)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:177)
at org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter.attemptAuthentication(UsernamePasswordAuthenticationFilter.java:94)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:211)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at com.mii.core.sec.MIIUsernamePasswordAuthenticationFilter.doFilter(MIIUsernamePasswordAuthenticationFilter.java:38)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
org.hibernate.exception.JDBCConnectionException: could not inspect JDBC autocommit mode
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:99)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
at org.hibernate.jdbc.JDBCContext.afterNontransactionalQuery(JDBCContext.java:296)
at org.hibernate.impl.SessionImpl.afterOperation(SessionImpl.java:595)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1724)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)
at com.mii.core.gateway.MIMetadataService.getUserById(MIMetadataService.java:1278)
at com.mii.core.sec.MIUserDetailService.loadUserByUsername(MIUserDetailService.java:51)
at org.springframework.security.authentication.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:101)
at org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:132)
at com.mii.core.sec.MIIAuthenticationProvider.authenticate(MIIAuthenticationProvider.java:12)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:156)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:177)
at org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter.attemptAuthentication(UsernamePasswordAuthenticationFilter.java:94)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:211)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at com.mii.core.sec.MIIUsernamePasswordAuthenticationFilter.doFilter(MIIUsernamePasswordAuthenticationFilter.java:38)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed.
at sun.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
at com.mysql.jdbc.Util.getInstance(Util.java:384)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:624)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:549)
at com.sun.proxy.$Proxy60.getAutoCommit(Unknown Source)
at com.mchange.v2.c3p0.impl.NewProxyConnection.getAutoCommit(NewProxyConnection.java:985)
at org.hibernate.jdbc.ConnectionManager.isAutoCommit(ConnectionManager.java:212)
at org.hibernate.jdbc.JDBCContext.afterNontransactionalQuery(JDBCContext.java:287)
... 42 more
Jul 14, 2014 1:32:20 PM com.mchange.v2.c3p0.impl.NewPooledConnection handleThrowable
WARNING: [c3p0] A PooledConnection that has already signalled a Connection error is still in use!
Jul 14, 2014 1:32:20 PM com.mchange.v2.c3p0.impl.NewPooledConnection handleThrowable
WARNING: [c3p0] Another error has occurred [ com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed. ] which will not be reported to listeners!
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. Connection explicitly closed.
at sun.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
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:409)
at com.mysql.jdbc.Util.getInstance(Util.java:384)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:624)
at com.mysql.jdbc.LoadBalancingConnectionProxy.invoke(LoadBalancingConnectionProxy.java:549)
at com.sun.proxy.$Proxy60.prepareStatement(Unknown Source)
at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.mchange.v2.c3p0.stmt.GooGooStatementCache$1StmtAcquireTask.run(GooGooStatementCache.java:525)
at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
org.springframework.security.core.userdetails.UsernameNotFoundException: User 'ADMIN' not found
at com.mii.core.sec.MIUserDetailService.loadUserByUsername(MIUserDetailService.java:57)
at org.springframework.security.authentication.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:101)
at org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:132)
at com.mii.core.sec.MIIAuthenticationProvider.authenticate(MIIAuthenticationProvider.java:12)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:156)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:177)
at org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter.attemptAuthentication(UsernamePasswordAuthenticationFilter.java:94)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:211)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at com.mii.core.sec.MIIUsernamePasswordAuthenticationFilter.doFilter(MIIUsernamePasswordAuthenticationFilter.java:38)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
我有很多机会错过重要配置或给出不正确的值来调整c3p0。
编辑：我正在使用ndbcluster 7.3.5，当我执行冗余测试时，包括接口，链接，加电/断电和手动系统重启方案。这时我正面临着这个问题。
你能帮我解决这个问题吗？