救命啊,大家帮我看看这个问题,已经很多天了,不知出在哪(JBossManagedConnectionPool] Exception destroying)(Connection timed out)
WARN [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Exception destroying ManagedConnection org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener@79df82[state=DESTROYED mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection@3561b9 handles=0 lastUse=1199069842107 permit=false trackByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool@a2cd4e context=org.jboss.resource.connectionmanager.InternalManagedConnectionPool@54e123]
org.jboss.resource.JBossResourceException: SQLException; - nested throwable: (java.sql.SQLException: Io 异常: Connection timed out)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkException(BaseWrapperManagedConnection.java:572)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:276)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.doDestroy(InternalManagedConnectionPool.java:539)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.removeTimedOut(InternalManagedConnectionPool.java:415)
at org.jboss.resource.connectionmanager.IdleRemover$1.run(IdleRemover.java:70)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.sql.SQLException: Io 异常: Connection timed out
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:333)
at oracle.jdbc.driver.OracleConnection.close(OracleConnection.java:1442)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:272)
... 4 more


报这个异常后,在登陆界面输入用户名和密码登陆时会卡在那(但它好像仍然在试图登陆),系统会一段时间不能登陆,大概几分钟,然后过一会就自动好了,又可以了,每天都有几次

------解决方案--------------------
没人知道这个问题大概出在哪吗?
各位大哥大姐帮帮忙啊