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Posted to users@tomcat.apache.org by Grace Lu <gr...@cisco.com> on 2003/05/15 20:21:33 UTC
NullPointerException in JasperLoader
Hi,
We have been getting quite a few of this error. It happens
intermittently and it can happen on various JSP pages. Restarting
tomcat clears the problem. Has anyone seen this? Any pointers
appreciated!!!
We are using Tomcat 4.0.1 on Solaris 8.
Thanks,
-Grace
java.lang.NullPointerException
at
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:180)
at
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:322)
at
org.apache.jsp.ServiceFilter$jsp._jspService(ServiceFilter$jsp.java:1882)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:57
0)
at
org.apache.catalina.core.ApplicationDispatcher.access$1(ApplicationDispatcher.java:497
)
at
org.apache.catalina.core.ApplicationDispatcher$PrivilegedInclude.run(ApplicationDispat
cher.java:146)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:484)
at
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:818)
at
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:390)
at
com.cisco.vpnsc.ui.taglib.ContentAreaTag.doStartTag(ContentAreaTag.java:147)
at org.apache.jsp.index$jsp._jspService(index$jsp.java:555)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:43
1)
at
org.apache.catalina.core.ApplicationDispatcher.access$0(ApplicationDispatcher.java:359
)
at
org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispat
cher.java:130)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:347)
at
org.apache.struts.action.ActionServlet.processActionForward(ActionServlet.java:1758)
at
com.cisco.nm.uii.UIIController.processActionForward(UIIController.java:273)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1595)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:491)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at
com.cisco.vpnsc.ui.action.security.VpnscController.service(VpnscController.java:174)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChai
n.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.access$0(ApplicationFilterChain.java:1
97)
at
org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:176)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:1
72)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1011)
at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
at java.lang.Thread.run(Thread.java:536)
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