JDBC commit failed / Connection reset

HTTP Status 500 - JDBC commit failed项目在tomcat运行一两天后,打开页面就报错我session是关了的我测试的时候没有发现什么地方会报错 感觉很奇怪 
请教一下 我该从哪方面入手去检查错误呢  type Exception reportmessage JDBC commit faileddescription The server encountered an internal error that prevented it from fulfilling this request.exceptionorg.hibernate.TransactionException: JDBC commit failed
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:130)
com.webrage.filters.HibernateFilter.doFilter(HibernateFilter.java:53)root causejava.sql.SQLException: Io exception: Connection reset
oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:74)
oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:131)
oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:197)
oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:261)
oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:566)
oracle.jdbc.driver.T4CConnection.doCommit(T4CConnection.java:595)
oracle.jdbc.driver.PhysicalConnection.commit(PhysicalConnection.java:3432)
oracle.jdbc.driver.PhysicalConnection.commit(PhysicalConnection.java:3438)
com.mchange.v2.c3p0.impl.NewProxyConnection.commit(NewProxyConnection.java:678)
org.hibernate.transaction.JDBCTransaction.commitAndResetAutoCommit(JDBCTransaction.java:139)
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:115)
com.webrage.filters.HibernateFilter.doFilter(HibernateFilter.java:53)root causejava.net.SocketException: Connection reset
java.net.SocketInputStream.read(SocketInputStream.java:189)
java.net.SocketInputStream.read(SocketInputStream.java:121)
oracle.net.ns.Packet.receive(Packet.java:240)
oracle.net.ns.DataPacket.receive(DataPacket.java:92)
oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:172)
oracle.net.ns.NetInputStream.read(NetInputStream.java:117)
oracle.net.ns.NetInputStream.read(NetInputStream.java:92)
oracle.net.ns.NetInputStream.read(NetInputStream.java:77)
oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1034)
oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1010)
oracle.jdbc.driver.T4C7Ocommoncall.receive(T4C7Ocommoncall.java:97)
oracle.jdbc.driver.T4CConnection.doCommit(T4CConnection.java:539)
oracle.jdbc.driver.PhysicalConnection.commit(PhysicalConnection.java:3432)
oracle.jdbc.driver.PhysicalConnection.commit(PhysicalConnection.java:3438)
com.mchange.v2.c3p0.impl.NewProxyConnection.commit(NewProxyConnection.java:678)
org.hibernate.transaction.JDBCTransaction.commitAndResetAutoCommit(JDBCTransaction.java:139)
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:115)
com.webrage.filters.HibernateFilter.doFilter(HibernateFilter.java:53)note The full stack trace of the root cause is available in the Apache Tomcat/7.0.30 logs.JDBC commit failedConnection reset