IllegalStateException w/CheckLogonTag taglib

["Andrew H. Peterson" <ap...@e-gineering.com>]

Can someone please help me out?  I'm using the CheckLogonTag taglib that
came with the struts_example site for my application.  I'm using
JBoss-2.4.4_Tomcat-4.0.1 and JDK 1.4.

When I put the <app:checkLogon/> at the top of my index.jsp page I get an
IllegalStateException exeception.  The application seems to work fine in
that the index.jsp page is redirected to my login page.  After login, the
index.jsp is displayed.

I'm really confused why this is happening.  I really hate to see my log
files grow like this.  Any help would be appreciated.

Thanks.

Andrew


Here's the exception...


[18:59:27,933,EmbeddedCatalinaServiceSX] jsp: init
[18:59:28,133,EmbeddedCatalinaServiceSX] StandardWrapperValve[jsp]:
Servlet.service() for servlet jsp threw exception
java.lang.IllegalStateException
	at
org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:1
59)
	at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:166)
	at
org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:158)
	at org.apache.jasper.runtime.JspWriterImpl.flush(JspWriterImpl.java:205)
	at
org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:176)
	at
org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFacto
ryImpl.java:198)
	at
org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.j
ava:193)
	at org.apache.jsp.index$jsp._jspService(index$jsp.java:1088)
	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.ja
va: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.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:243)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
	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.ja
va:201)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
	at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:472)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
	at
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2
46)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
	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:5
66)
	at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170
)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
	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:5
66)
	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)
[18:59:28,504,EmbeddedCatalinaServiceSX] ErrorDispatcherValve[localhost]:
Exception Processing ErrorPage[exceptionType=java.lang.Exception,
location=/jsp/error_page.jsp]
java.lang.IllegalStateException
	at
org.apache.catalina.connector.ResponseFacade.reset(ResponseFacade.java:236)
	at
org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve.
java:374)
	at
org.apache.catalina.valves.ErrorDispatcherValve.throwable(ErrorDispatcherVal
ve.java:244)
	at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:178)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170
)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
	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:5
66)
	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)
[18:59:34,873,Default] Shutting down




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