Oracle JDBC IO Error: Connection timed out

Issue

• The following error is appearing in the server log:

java.sql.SQLRecoverableException: IO Error: Connection timed out
      at oracle.jdbc.driver.T4CStatement.executeForDescribe(T4CStatement.java:865)
      at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1153)
      at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1275)
      at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1890)
      at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1855)
      at oracle.jdbc.driver.OracleStatementWrapper.execute(OracleStatementWrapper.java:304)
      at org.jboss.resource.adapter.jdbc.CheckValidConnectionSQL.isValidConnection(CheckValidConnectionSQL.java:58)
      at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnectionFactory.isValidConnection(BaseWrapperManagedConnectionFactory.java:560)
      at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkValid(BaseWrapperManagedConnection.java:322)
      at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.matchManagedConnections(LocalManagedConnectionFactory.java:402)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:225)
      at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:690)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:404)
      at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:424)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:496)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:941)
      at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89)
      at org.apache.jsp.admin.transhistory_jsp.getCounts(transhistory_jsp.java:155)
      at org.apache.jsp.admin.transhistory_jsp._jspService(transhistory_jsp.java:799)
      at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
      at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
      at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
      at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)
      at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)
      at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
      at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
      at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
      at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
      at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
      at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
      at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:436)
      at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:384)
      at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451)
      at java.lang.Thread.run(Thread.java:662)
Caused by: java.net.SocketException: Connection timed out
      at java.net.SocketInputStream.socketRead0(Native Method)
      at java.net.SocketInputStream.read(SocketInputStream.java:129)
      at oracle.net.ns.Packet.receive(Packet.java:283)
      at oracle.net.ns.DataPacket.receive(DataPacket.java:103)
      at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:230)
      at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
      at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
      at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
      at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:123)
      at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:79)
      at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1122)
      at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1099)
      at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:288)
      at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191)
      at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:523)
      at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:193)
      at oracle.jdbc.driver.T4CStatement.executeForDescribe(T4CStatement.java:852)
      ... 44 more
2014-06-06 02:30:25,675 WARN  [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] (ajp-APPMBOX01%2F192.168.20.11-8759-2) Destroying connection that could not be successfully matched: org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener@1ffd6595[state=DESTROYED mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection@2c4eeeed handles=0 lastUse=1401989096829 permit=false trackByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$PoolBySubject@53afb867 context=org.jboss.resource.connectionmanager.InternalManagedConnectionPool@35739d1d