Error while connecting to mySql DB with tomcat server

Question

Im working on a struts based web application with tomcat server, using jdbc to connect the DB, and using mySql and sql server DB, and added related jars as well, but having this exception how to resolve the issue.

com.mind.fw.lang.MindFWRuntimeException: Error while doing JNDI lookup
    at com.mind.fw.core.dao.util.DBUtil.getJndiDS(DBUtil.java:186)
    at com.mind.fw.core.dao.util.DBUtil.initializeDS(DBUtil.java:157)
    at com.mind.fw.core.dao.util.DBUtil.getDataSource(DBUtil.java:132)
    at com.mind.common.util.MySqlConnection.getMySqlConnection(MySqlConnection.java:21)
    at com.mind.dao.PVS.Pvsdao.getSearchpartnerdetailsWithStatus(Pvsdao.java:1901)
    at com.mind.actions.PVS.Partner_SearchAction.search(Partner_SearchAction.java:371)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)
    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:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.mind.common.CharsetEncoding.doFilter(CharsetEncoding.java:36)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at com.googlecode.psiprobe.Tomcat60AgentValve.invoke(Tomcat60AgentValve.java:30)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:336)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: javax.naming.NameNotFoundException: Name [contingentDB] is not bound in this Context. Unable to find [contingentDB].
    at org.apache.naming.NamingContext.lookup(NamingContext.java:820)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
    at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
    at javax.naming.InitialContext.lookup(Unknown Source)
    at com.mind.fw.core.dao.util.DBUtil.getJndiDS(DBUtil.java:181)
    ... 38 more
14 May 2014 06:16:31,625 DEBUG [http-nio-8080-exec-4] util.MySqlConnection:27 - getMySqlConnection(String) - Error in establishing connection to mySQL.
14 May 2014 06:16:31,625 ERROR [http-nio-8080-exec-4] PVS.Pvsdao:2225 -  -------------------------------------------- jdbc:mysql://ServerIP:3306/DBNaame,UserNAme,password -------------------------------------------- 
14 May 2014 06:16:31,625 ERROR [http-nio-8080-exec-4] PVS.Pvsdao:2228 - getSearchpartnerdetails(String, String, String, String, String, String, String, String, String, String[], String, String[], String, String, String, String, DataSource)
java.lang.NullPointerException
    at com.mind.dao.PVS.Pvsdao.getSearchpartnerdetailsWithStatus(Pvsdao.java:1937)
    at com.mind.actions.PVS.Partner_SearchAction.search(Partner_SearchAction.java:371)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)
    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:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.mind.common.CharsetEncoding.doFilter(CharsetEncoding.java:36)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at com.googlecode.psiprobe.Tomcat60AgentValve.invoke(Tomcat60AgentValve.java:30)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:336)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
14 May 2014 06:16:31,626 DEBUG [http-nio-8080-exec-4] PVS.Pvsdao:2233 - getSearchpartnerdetails(String, String, String, String, String, String, String, String, String, String[], String, String[], String, String, String, String, DataSource) - Error occured during searchingjava.lang.NullPointerException
14 May 2014 06:16:31,626 ERROR [http-nio-8080-exec-4] PVS.Pvsdao:2240 -  -------------------------------------------- jdbc:mysql://ServerIP:3306/DBNaame,UserNAme,password -------------------------------------------- 

Answer 1

I got the solution.

Actually this was the original problem:

javax.naming.NameNotFoundException: Name [contingentDB] is not bound in this Context. Unable to find [contingentDB].

and i noticed that

<ResourceLink global="jdbc/contingentDB" name="jdbc/contingentDB"/>

was missing in the local context file i-e

tomcatInstances/verification/conf/Catalina/localhost/ProjectName.xml

Hope this will help someone.