Thanks David Smith
this trouble occured when i requested to update our run environment ( i
use r-e for short )
our old r-e is jdk1.4/tomcat4.1/hibernate2.0/
our new r-e is jdk1.6u2/tomcat5.5.23
when i start tomcat , i get following warnings , i think these
infomation may useful
validateJarFile(C:\Program Files\Apache Software Foundation\Tomcat
5.5\webapps\forecastTest\WEB-INF\lib\servlet.jar) - jar not loaded. See
Servlet Spec 2.3, section 9.7.2. Offending class:
javax/servlet/Servlet.class
I guess my problem may cause by different version of jar file, my stract
trace following
ERROR [http-8080-1] (ApplicationDispatcher.java:723) - Servlet.service()
for servlet jsp threw exception
org.apache.jasper.JasperException: Attempted a bean operation on a null
object.
at
org.apache.jasper.runtime.JspRuntimeLibrary.handleGetProperty(JspRuntime
Library.java:600)
at
org.apache.jsp.pages.createforecast_jsp._jspService(createforecast_jsp.j
ava:1586)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja
va:328)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:188)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatc
her.java:691)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDisp
atcher.java:594)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispat
cher.java:505)
at
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.ja
va:965)
at
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:6
05)
at
org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:137)
at
org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:177)
at
org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:756)
at
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTa
g.java:881)
at
org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:473)
at
org.apache.jsp.pages.layout.forecast_002dtest_002ddefault_jsp._jspx_meth
_tiles_005finsert_005f8(forecast_002dtest_002ddefault_jsp.java:343)
at
org.apache.jsp.pages.layout.forecast_002dtest_002ddefault_jsp._jspServic
e(forecast_002dtest_002ddefault_jsp.java:128)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja
va:328)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:188)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatc
her.java:691)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(Applicatio
nDispatcher.java:469)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDisp
atcher.java:403)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispat
cher.java:301)
at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.jav
a:1069)
at
org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProc
essor.java:274)
at
org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(Til
esRequestProcessor.java:254)
at
org.apache.struts.tiles.TilesRequestProcessor.internalModuleRelativeForw
ard(TilesRequestProcessor.java:341)
at
org.apache.struts.action.RequestProcessor.processValidate(RequestProcess
or.java:980)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
255)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:188)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatc
her.java:691)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(Applicatio
nDispatcher.java:469)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDisp
atcher.java:403)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispat
cher.java:301)
at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.jav
a:1069)
at
org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProc
essor.java:274)
at
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestPr
ocessor.java:455)
at
org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Tiles
RequestProcessor.java:320)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
279)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:188)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:210)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:174)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:108)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
51)
at
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.j
ava:834)
at
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.proce
ss(Http11AprProtocol.java:640)
at
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Thread.java:619)
No private trace throws, all stack trace is tomcat and apache,i remove
servlet.jar in my lib, but errors remain!
i google it, but seems nothing help us, any advice is welcome! thanks!
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