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Posted to taglibs-user@tomcat.apache.org by Achim Weßling <Ac...@web.de> on 2001/12/31 19:18:47 UTC

[standard] examples won't work

Hallo,

I just tried to run the examples of the standard-taglib (EA3). I tried it 
on the following system: win2000 SP 2 with tomcat 4.0.1 and jdk 1.4. My 
classpath looks like follows: 
CLASSPATH=.;C:\Java\jdk1.4;C:\Java\jdk1.4\lib\tools.jar.

When trying the examples I always get the following:

javax.servlet.ServletException: Servlet.init() for servlet jsp threw exception
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:871)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:615)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
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.valves.CertificatesValve.invoke(CertificatesValve.java:246)
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.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:539)


root cause

java.lang.ClassCastException: 
org.apache.crimson.jaxp.DocumentBuilderFactoryImpl
at 
javax.xml.parsers.DocumentBuilderFactory.newInstance(DocumentBuilderFactory.java:103)
at org.apache.jasper.parser.ParserUtils.parseXMLDocument(ParserUtils.java:183)
at 
org.apache.jasper.compiler.TldLocationsCache.processWebDotXml(TldLocationsCache.java:165)
at org.apache.jasper.compiler.TldLocationsCache.(TldLocationsCache.java:138)
at org.apache.jasper.EmbededServletOptions.(EmbededServletOptions.java:324)
at org.apache.jasper.servlet.JspServlet.init(JspServlet.java:266)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:852)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:615)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
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.valves.CertificatesValve.invoke(CertificatesValve.java:246)
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.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:539)

A little hint would be nice!


++++++++++++++++++++++++++++++++
Achim Weßling
Achim.Wessling@web.de


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Re: [standard] examples won't work

Posted by "David M. Karr" <dm...@earthlink.net>.
>>>>> "Shawn" == Shawn Bayern <ba...@essentially.net> writes:

    Shawn> Achim,
    Shawn> It looks like the problem may just be caused by two conflicting versions
    Shawn> of JAXP:

    >> java.lang.ClassCastException:
    >> org.apache.crimson.jaxp.DocumentBuilderFactoryImpl

    Shawn> Since your stack trace doesn't run through any code in the JSTL RI, my
    Shawn> guess is that this is just a minor configuration issue with your
    Shawn> container.

I saw the same thing.  I tried to run it on Tomcat 4.0.2b1, essentially OOTB.
This is apparently an issue with the continuing battle between "crimson.jar"
and "xerces.jar".  I think, in 4.0, Jasper was using crimson, and now it's
using xerces.  The examples are using crimson, so these examples won't work
OOTB with Tomcat 4.0.2b1.  I don't know what the correct solution is, but I
guess one of them has to be removed and changed to the other.

-- 
===================================================================
David M. Karr          ; Best Consulting
dmkarr@earthlink.net   ; Java/Unix/XML/C++/X ; BrainBench CJ12P (#12004)


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Re: [standard] examples won't work

Posted by Shawn Bayern <ba...@essentially.net>.
Achim,

It looks like the problem may just be caused by two conflicting versions
of JAXP:

> java.lang.ClassCastException:
>   org.apache.crimson.jaxp.DocumentBuilderFactoryImpl

Since your stack trace doesn't run through any code in the JSTL RI, my
guess is that this is just a minor configuration issue with your
container.

(Sorry not to be of more direct help!)

Shawn


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