Non-Sequitor Stack Trace with no log entry

[Mark Leone]

I have a servlet in Tomcat that makes a static call to 
XMLUtils.newDocument(). This is a utility class provided with apache 
axis, and I have axis.jar in %catalina_home%\shared\lib. When I invoke 
newDocument() I get a Tomcat error page (see text below) with a partial 
stack trace indicating a missing class definition for 
javax.xml.soap.SOAPException. However, the method I'm calling does not 
throw that exception, and I looked at all the relevant source code over 
and over again, and it's simply not possible to hit any code that 
references SOAPException by invoking newDocument(). (The stack trace 
shows it blowing up on the statement that invokes newDocument(). I 
placed an import statement for SOAPException in the code, to humor the 
runtime engine, but I still get the error.

I posted this on the axis user list, and someone was kind enough to ask 
for the full stack trace. However, there is no log entry for this event 
in Tomcat's logs, notwithstanding a statement to the contrary on the 
error page Tomcat displays. So now I'm beginning to suspect Tomcat in 
the original error, since it's not able to produce a full stack trace. I 
believe I have Tomcat configured properly for logging errors, and I've 
received stack traces in the logs many times. On the logging tab of the 
service properties window for Tomcat, I have all levels configured to 
place log files in the directory in which I'm looking, and I have 
"redirect Stderrorr" and "redirect Stdout" to auto.

I'm running Tomcat 5.5.8 on XP. Any idea how I can get this stacktrace, 
or if Tomcat could be garbling the class reference somehow?

-Mark
Here's the text of the Tomcat error page.[ Line 94 of ProxyServlet.java 
says Document doc = XMLUtils.newDocument(); ]

*type* Exception report
*message*
*description* _The server encountered an internal error () that 
prevented it from fulfilling this request._

*exception*
javax.servlet.ServletException: Servlet execution threw an exception
*root cause*
java.lang.NoClassDefFoundError: javax/xml/soap/SOAPException
        Proxy.ProxyServlet.handleHtmlFile(ProxyServlet.java:94)
        Proxy.ProxyServlet.doGet(ProxyServlet.java:55)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
*note* _The full stack trace of the root cause is available in the 
Apache Tomcat/5.0 logs._

------------------------------------------------------------------------
     Apache Tomcat/5.0

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