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java.sql.SQLException: Closed Connection	at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)	at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)	at oracle.jdbc.oci8.OCIDBAccess.check_error(OCIDBAccess.java:2383)	at oracle.jdbc.oci8.OCIDBAccess.logon(OCIDBAccess.java:496)	at oracle.jdbc.driver.OracleConnection.(OracleConnection.java:371)	at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:551)	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:351)	at java.sql.DriverManager.getConnection(DriverManager.java:512)	at java.sql.DriverManager.getConnection(DriverManager.java:171)	at com.devdaily.opensource.database.DDConnectionBroker.createDDConnection(DDConnectionBroker.java:332)	at com.devdaily.opensource.database.DDConnectionBroker.createFirstConnectionInThePool(DDConnectionBroker.java:304)	at com.devdaily.opensource.database.DDConnectionBroker.initializePoolToMinConnections(DDConnectionBroker.java:144)	at com.devdaily.opensource.database.DDConnectionBroker.(DDConnectionBroker.java:121)	at com.boeing.iod.entservices.db.DatabaseHandler.(DatabaseHandler.java:54)	at com.boeing.iod.entservices.db.DatabaseHandler.getDatabaseHandler(DatabaseHandler.java:42)	at com.boeing.iod.entservices.db.DatabaseFactory.getDatabaseManager(DatabaseFactory.java:30)	at com.boeing.iod.business.BusinessHandler.(BusinessHandler.java:60)	at com.boeing.iod.business.PDMHandler.(PDMHandler.java:72)	at com.boeing.iod.business.PDMHandler.getPDMHandler(PDMHandler.java:79)	at com.boeing.iod.business.BusinessFactory.getPDMManager(BusinessFactory.java:107)	at com.boeing.iod.web.facade.PDMSessionFacadeHandler.(PDMSessionFacadeHandler.java:54)	at com.boeing.iod.web.facade.PDMSessionFacadeHandler.getPDMSessionFacadeHandler(PDMSessionFacadeHandler.java:48)	at com.boeing.iod.web.facade.SessionFactory.getPDMSessionFacade(SessionFactory.java:29)	at com.boeing.iod.web.services.nonsecure.LoginAction.execute(LoginAction.java:57)	at com.boeing.iod.web.services.IODAction.process(IODAction.java:79)	at com.boeing.iod.web.services.IODAction.execute(IODAction.java:66)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)	at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)	at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)	at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)	at org.apache.catalina.valves.ErrorReportValve.invoke(Unknown Source)	at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)	at org.apache.catalina.connector.CoyoteAdapter.service(Unknown Source)	at org.apache.coyote.http11.Http11Processor.process(Unknown Source)	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Unknown Source)	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(Unknown Source)	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(Unknown Source)	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown Source)