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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 7773] New: - Can't use xercesImpl.jar inside web app(WAR)
Date Fri, 05 Apr 2002 19:16:24 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7773

Can't use xercesImpl.jar inside web app(WAR)

           Summary: Can't use xercesImpl.jar inside web app(WAR)
           Product: Xerces2-J
           Version: 2.0.1
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: JAXP
        AssignedTo: xerces-j-dev@xml.apache.org
        ReportedBy: xerces@mkim.com


Hi!

I have a web application that has its own classloader and uses xerces with JAXP.

When I run the web app with tomcat 3.3 and jdk 1.3.1, I get the following 
exception.

java.lang.ClassCastException: org.apache.crimson.jaxp.SAXParserFactoryImpl
        at javax.xml.parsers.SAXParserFactory.newInstance(Unknown Source)
        at ...

Here is my code

        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setNamespaceAware(true);
        spf.setValidating(true);
        SAXParser parser = spf.newSAXParser();    // <---- here is where the 
exception that get thrown.

Looks like findClassLoader method in following two classes is returning the 
system classloader not the classloader that loaded the classes from.

org/apache/xerces/util/ObjectFactory.java
javax/xml/parsers/FactoryFinder.java

Are there ways to tell xerces to use the classloader that loaded xerces instead 
of getting the default system classloader to load META-
INF/services/org.apache.xerces.xni.parser.XMLParserConfiguration?

Thanks in advance.

Myung Kim

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