Web application using Xerces 2.7.1 with JAXP is blocking validation of 
Deployment Descriptors with xsi:schemaLocation in Deployment Manager
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                 Key: XERCESJ-1190
                 URL: http://issues.apache.org/jira/browse/XERCESJ-1190
             Project: Xerces2-J
          Issue Type: Bug
          Components: JAXP (javax.xml.parsers)
    Affects Versions: 2.4.0
         Environment: Xerces 2.7.1 with Websphere 6.0 (latest update), any OS, 
IBM JVM 1.4.xx (latest update from IBM)
            Reporter: Alfredo Scotto


I have a wev application using Xerces/Xalan 2.7.1 by JAXP. When I deployed that 
application on Websphere 6 standalone it will not be able to deploy new 
applications using schemaLocation like j2ee1.4 and schema web-app_2_4.xsd. This 
is the default schema on WAS 6. It's look like the JAXP initialization executed 
from my web appl. is changing what weblogic is using. Both are running on same 
JVM but from different classloader. I tried to put those jars in endorsed 
folder but this blocks completely websphere activities. IBM included Xerces 
jar, it doesn't include the version but it doesn't include javax.xml.xpath apis 
so it coud be 2.4.1.
I also noted that there are no ways to parse those kind of xml with 
schemaLocation without define entityResolver. IBM could has solved that problem 
but I need javax.xml.xpath implementation and they haven't.
Probably that interference could be generated by: 
  - Same configuration class walking too much,
  - schemaLocation handler with problems,
  - Builder or configuration unique at JVM level
All of those are very bad and I guess many are experiencing this problem.

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