I searched the archives and I must have missed it. I want to have a generic
JSP or Servlet get invoked when an error occurs in my application. For
example, when I try to clink on a link on one of my pages I get an error
message:
HTTP Status 500 - No action instance for path /detailSearch could be created
Looking at the logs it is obvious why there is an error (because I didn't
create the org.jax.mgi.mtb.wi.actions.DetailSearchAction class). What is
the best approach to handle this type of error? I tried adding the
following to my struts-config.xml, but it is not going to the appError.jsp
page.
<global-exceptions>
<exception key="system.error"
type="java.lang.Exception"
path="/appError.jsp"/>
<exception key="system.error"
type="java.lang.ClassNotFoundException"
path="/appError.jsp"/>
</global-exceptions>
What is the best way to handle this? What about other types of errors? Is
there a rule of thumb that everyone follows?
Sorry for the hopefully easy (probably already asked) question.
Matt
Here is an output of the logs:
SEVERE: No action instance for path /detailSearch could be created
java.lang.ClassNotFoundException:
org.jax.mgi.mtb.wi.actions.DetailSearchAction
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1366)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1213)
at
org.apache.struts.util.RequestUtils.applicationClass(RequestUtils.java:207)
at
org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:23
1)
at
org.apache.struts.action.RequestProcessor.processActionCreate(RequestProcess
or.java:326)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:268)
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:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.j
ava:284)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:204)
at
org.jax.mgi.mtb.wi.filters.TimerFilter.doFilter(TimerFilter.java:23)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.j
ava:233)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:204)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:256)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:24
5)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:199)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:195
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:149)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:156)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:211)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:805)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11P
rotocol.java:696)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:677)
at java.lang.Thread.run(Thread.java:534)
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