I have a spring batch framework set up the DB connection is going stake after 1 hr and 5 min .This works fine in Dev,QA and the issue is happening only in prod env.Pls guide

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2013-07-22 14:17:29,563 INFO DeriveReturnAddressTasklet - No of getReturn responses:1704
2013-07-22 14:17:29,566 INFO DeriveReturnAddressTasklet - No of valid getReturn responses:1704
2013-07-22 14:17:29,566 INFO DeriveReturnAddressTasklet - No of error getReturn responses:0
2013-07-22 14:17:39,523 INFO SimpleStepHandler - Executing step: [createReturnOrderStep]
2013-07-22 14:17:39,619 INFO BatchCoreStepListener - Starting Step = createReturnOrderStep
2013-07-22 14:17:39,627 WARN JDBCExceptionReporter - SQL Error: 0, SQLState: null
2013-07-22 14:17:39,627 ERROR JDBCExceptionReporter - Already closed.
2013-07-22 14:17:39,630 WARN JDBCExceptionReporter - SQL Error: 0, SQLState: null
2013-07-22 14:17:39,630 ERROR JDBCExceptionReporter - Already closed.
2013-07-22 14:17:39,640 ERROR AbstractStep - Encountered an error executing the step
org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is java.sql.SQLException: Io exception: Connection reset
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:599)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:374)
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:263)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:101)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy10.getComponentByName(Unknown Source)
at com.sears.hs.commons.batch.core.listener.BatchCoreStepListener.storeStepProperties(BatchCoreStepListener.java:87)
at com.sears.hs.commons.batch.core.listener.BatchCoreStepListener.beforeStep(BatchCoreStepListener.java:46)
at org.springframework.batch.core.listener.CompositeStepExecutionListener.beforeStep(CompositeStepExecutionListener.java:76)
at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:192)
at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:135)
at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:61)
at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60)
at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:144)
at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:124)
at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:135)
at com.sears.hs.commons.batch.job.HSFlowJob.doExecute(HSFlowJob.java:66)
at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:281)
at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:120)
at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:49)
at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:114)
at com.sears.hs.commons.batch.core.SimpleJobManager.startJob(SimpleJobManager.java:103)
at com.sears.hs.commons.batch.core.BatchJobRunner.startJob(BatchJobRunner.java:135)
at com.sears.hs.commons.batch.core.BatchJobRunner.main(BatchJobRunner.java:62)
Caused by: java.sql.SQLException: Io exception: Connection reset
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:74)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:131)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:197)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:261)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:566)
at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:958)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1222)
at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1770)
at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1739)
at oracle.jdbc.driver.OracleStatementWrapper.execute(OracleStatementWrapper.java:299)
at oracle.jdbc.driver.PhysicalConnection.setTransactionIsolation(PhysicalConnection.java:4053)
at org.apache.commons.dbcp.DelegatingConnection.setTransactionIsolation(DelegatingConnection.java:380)
at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setTransactionIsolation(PoolingDataSource.java:343)
at sun.reflect.GeneratedMethodAccessor37.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.jdbc.BorrowedConnectionProxy.invoke(BorrowedConnectionProxy.java:50)
at $Proxy28.setTransactionIsolation(Unknown Source)
at org.springframework.jdbc.datasource.DataSourceUtils.prepareConnectionForTransaction(DataSourceUtils.java:174)
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:511)
... 26 more
Caused by: java.net.SocketException: Connection reset
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at oracle.net.ns.DataPacket.send(DataPacket.java:150)
at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:180)
at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:169)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:117)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:92)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:77)
at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1034)
at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1010)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:588)
at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:183)
at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:942)
... 40 more
2013-07-22 14:17:39,644 INFO BatchCoreStepListener - Completed Step = createReturnOrderStep, Status = FAILED
2013-07-22 14:17:45,221 INFO HSFlowJob - custom defined step status : FAILED
2013-07-22 14:17:45,222 INFO BatchJobExecutionListener - Completed Job = tpsrNPNUploadJob, Status = exitCode=FAILED;exitDescription=
2013-07-22 14:17:45,307 INFO SimpleJobLauncher - Job: [HSFlowJob: [name=tpsrNPNUploadJob]] completed with the following parameters: [

], Job=[tpsrNPNUploadJob]]
2013-07-22 14:17:45,308 INFO BatchJobRunner - Job Result Return Code = 1