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unable to resolve the problem of login , it is giving below exception again and again

Balram Aggarwal
Greenhorn

Joined: Dec 07, 2012
Posts: 2
mebalram.aggarwal@gmail.comDec 7, 2012 6:36:33 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Java\jdk1.6.0_18\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Java/jdk1.6.0_18/bin/../jre/bin/client;C:/Java/jdk1.6.0_18/bin/../jre/bin;C:/Java/jdk1.6.0_18/bin/../jre/lib/i386;C:\Program Files (x86)\PC Connectivity Solution\;d:\oracle\product\10.2.0\db\bin;C:\Java\jdk1.5.0_18\bin;E:\oracle\product\10.2.0\db\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Java\J2SDK1~1.2_1\bin;C:/Apple\Library\Executables;C:/Apple\bin;C:/Apple\Library\JDK\bin;C:\Program Files (x86)\TortoiseSVN\bin;E:\EclipseIndigo\eclipse_jee_indigo_win32;
Dec 7, 2012 6:36:34 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:firstApp' did not find a matching property.
Dec 7, 2012 6:36:34 PM org.apache.coyote.AbstractProtocolHandler init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Dec 7, 2012 6:36:34 PM org.apache.coyote.AbstractProtocolHandler init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Dec 7, 2012 6:36:34 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 445 ms
Dec 7, 2012 6:36:34 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Dec 7, 2012 6:36:34 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.6
Dec 7, 2012 6:36:34 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(E:\BalramAggarwal\StrutsDemoIndigo\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\firstApp\WEB-INF\lib\j2ee1.4.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
Dec 7, 2012 6:36:35 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Dec 7, 2012 6:36:35 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Dec 7, 2012 6:36:35 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 1782 ms
Dec 7, 2012 6:36:36 PM com.opensymphony.xwork2.util.ObjectTypeDeterminerFactory <clinit>
INFO: Detected GenericsObjectTypeDeterminer, initializing it...
Dec 7, 2012 6:36:36 PM com.opensymphony.xwork2.util.XWorkConverter getInstance
INFO: Detected AnnotationXWorkConverter, initializing it...
Dec 7, 2012 6:36:36 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [/firstApp] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException
at org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:58)
at org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:54)
at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:49)
at org.apache.jsp.index_jsp._jspx_meth_s_005fform_005f0(index_jsp.java:93)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:68)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:417)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:380)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:166)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:288)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
 
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