org.springframework.orm.hibernate3.HibernateSystemException: commit failed; nested exception is org.hibernate.TransactionException: commit failed
   at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:690) ~[spring-orm-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:105) ~[spring-orm-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:517) ~[spring-orm-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:755) ~[spring-tx-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724) ~[spring-tx-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:475) ~[spring-tx-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:270) ~[spring-tx-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94) ~[spring-tx-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) ~[spring-aop-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) ~[spring-aop-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at $Proxy145.getLastJobExecution(Unknown Source) ~[na:na]
   at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:94) ~[spring-batch-core-2.1.9.RELEASE.jar:na]
   at org.springframework.batch.test.JobLauncherTestUtils.launchJob(JobLauncherTestUtils.java:152) ~[spring-batch-test-2.1.9.RELEASE.jar:na]
   at com.edb.fs.pbd.srv.batch.changetrack.MyTestClass.runJob(MyTestClass.java:66) ~[test-classes/:na]
   at com.edb.fs.pbd.srv.batch.changetrack.MyTestClass.testProcessChangeTrackStepOk(MyTestClass.java:74) ~[test-classes/:na]
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_30]
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_30]
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_30]
   at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_30]
   at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) ~[junit-4.11.jar:na]
   at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) ~[junit-4.11.jar:na]
   at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) ~[junit-4.11.jar:na]
   at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) ~[junit-4.11.jar:na]
   at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74) ~[spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) ~[junit-4.11.jar:na]
   at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83) ~[spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) ~[junit-4.11.jar:na]
   at org.junit.rules.RunRules.evaluate(RunRules.java:20) [junit-4.11.jar:na]
   at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72) [spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231) [spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:88) [spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) [junit-4.11.jar:na]
   at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) [junit-4.11.jar:na]
   at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) [junit-4.11.jar:na]
   at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) [junit-4.11.jar:na]
   at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) [junit-4.11.jar:na]
   at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71) [spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.junit.runners.ParentRunner.run(ParentRunner.java:309) [junit-4.11.jar:na]
   at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174) [spring-test-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) [.cp/:na]
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) [.cp/:na]
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) [.cp/:na]
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) [.cp/:na]
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) [.cp/:na]
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) [.cp/:na]
Caused by: org.hibernate.TransactionException: commit failed
   at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:185) ~[hibernate-core-4.2.1.Final.jar:4.2.1.Final]
   at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:75) ~[hibernate-entitymanager-4.2.1.Final.jar:4.2.1.Final]
   at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:513) ~[spring-orm-3.2.2.RELEASE.jar:3.2.2.RELEASE]
   ... 43 common frames omitted
Caused by: org.hibernate.TransactionException: unable to commit against JDBC connection
   at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doCommit(JdbcTransaction.java:116) ~[hibernate-core-4.2.1.Final.jar:4.2.1.Final]
   at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:178) ~[hibernate-core-4.2.1.Final.jar:4.2.1.Final]
   ... 45 common frames omitted
Caused by: java.sql.SQLRecoverableException: Closed Connection
   at oracle.jdbc.driver.PhysicalConnection.commit(PhysicalConnection.java:3867) ~[ojdbc6-11.2.0.3.0.jar:11.2.0.3.0]
   at oracle.jdbc.driver.PhysicalConnection.commit(PhysicalConnection.java:3907) ~[ojdbc6-11.2.0.3.0.jar:11.2.0.3.0]
   at oracle.jdbc.OracleConnectionWrapper.commit(OracleConnectionWrapper.java:140) ~[ojdbc6-11.2.0.3.0.jar:11.2.0.3.0]
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_30]
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_30]
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_30]
   at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_30]
   at net.bull.javamelody.JdbcWrapper$ConnectionInvocationHandler.invoke(JdbcWrapper.java:178) ~[javamelody-core-1.44.0.jar:1.44.0]
   at net.bull.javamelody.JdbcWrapper$DelegatingInvocationHandler.invoke(JdbcWrapper.java:271) ~[javamelody-core-1.44.0.jar:1.44.0]
   at $Proxy96.commit(Unknown Source) ~[na:na]
   at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doCommit(JdbcTransaction.java:112) ~[hibernate-core-4.2.1.Final.jar:4.2.1.Final]
   ... 46 common frames omitted