The following comment has been added to this issue:
Author: Alex Gurevich
Created: Wed, 9 Jun 2004 1:34 AM
Body:
Note, this works fine with the xerces.jar provided by IBM (WSAD 5.1). I've
invistigated this issue little more and found following problem:
org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity trys to load
struts_config.xml. The XMLInputSource passed as the parameter from Digester has
protocol "wsjar". The url to the file is created (no MalformedURL exception is thrown)
but the input stream is NULL. This causes NPE in RewindableInputStream.parse
When I made "local fix" - changed protocol from "wsjar" to "jar" - this solved the
problem.
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View this comment:
http://issues.apache.org/jira/browse/XERCESJ-975?page=comments#action_35994
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View the issue:
http://issues.apache.org/jira/browse/XERCESJ-975
Here is an overview of the issue:
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Key: XERCESJ-975
Summary: NPE while trying to use Xerces 2.6.2 with Struts 1.1
Type: Bug
Status: Unassigned
Priority: Major
Project: Xerces2-J
Components:
Other
Versions:
2.6.2
Assignee:
Reporter: Alex Gurevich
Created: Wed, 2 Jun 2004 6:44 AM
Updated: Wed, 9 Jun 2004 1:34 AM
Environment: WSAD 5.1, Win2K.
Description:
I'm experiencing NPE while trying to run Struts 1.1 test project with Xerces 2.6.2.
When I create simple Struts project everything works OK, but when I add xerces jars to
EAR and make them be used, I'm getting following exception:
[16:31:27:879 IDT 02/06/04] 4e1b1b18 WebGroup E SRVE0020E: [Servlet
Error]-[action]: Failed to load servlet: java.lang.NullPointerException
at org.apache.xerces.impl.XMLEntityManager$RewindableInputStream.read(Unknown
Source)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(Unknown Source)
at org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.struts.action.ActionServlet.initServlet(ActionServlet.java:1433)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:466)
The call to parse(InputSource) fails with NPE.
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