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CLI0600E Invalid connection handle or connection is closed. SQLSTATE=S1000
COM.ibm.db2.jdbc.DB2Exception: 
 CLI0600E Invalid connection handle or connection is closed. SQLSTATE=S1000	at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:601)	at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:460)	at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java:233)	at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java:180)	at com.wiree.dao.DAOUtils.getConnection(DAOUtils.java:83)	at components.DB.connect(DB.java:172)	at ian.Login.doPost(Login.java:187)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:787)	at ian.RapideBaseServlet.service(RapideBaseServlet.java:696)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:854)	at com.ibm.ws.webcontainer.servlet.SingleThreadModelServlet.service(SingleThreadModelServlet.java:127)	at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:145)	at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:215)	at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:314)	at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:117)	at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:306)	at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:43)	at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:41)	at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:941)	at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:351)	at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:214)	at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:135)	at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:227)	at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:72)	at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:190)	at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:406)	at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:57)	at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:461)	at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:414)	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:614)	at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:227)	at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:72)	at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:190)	at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:406)	at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:57)	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:614)