Mark
Edmon Begoli wrote:
Willie,
You shoud probably send this e-mail to Tomcat developer list as well.
Thank you, Edmon
Willie Wheeler wrote:
Hi all,
I have a suggestion regarding the StandardWrapper class in Tomcat 5.5.4. It contains a loadServlet() method that catches Throwable when trying to create the servlet using reflection, but doesn't print a stack trace.
The stack trace would have been very useful in a case I ran into. I was migrating an app from 5.0.28 to 5.5.4, and my Struts servlet wouldn't load. But the error message just said "Error instantiating servlet class org.apahce.struts.action.ActionServlet" without the root cause. In the spirit of open source, I built Tomcat from source after adding an appropriate e.printStackTrace(). The problem was NoClassDefFoundError: org/apache/commons/collections/FastHashMap. My WAR did not include the Apache Collections JAR because Tomcat 5.0.28 already had it. But apparently 5.5.4 doesn't have it (or at least doesn't share it with web apps--I haven't checked). In retrospect I'm thinking that I should probably have packaged the Apache Collections JAR in my WAR since I can't really assume that the server environment will provide it, but I guess the point is that a stack trace would have made the problem easy, whereas not having a stack trace makes it difficult.
Anyway, I'm finally looking forward to playing with JDK 1.5 now... :-D
Willie
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