The following comment has been added to this issue:
Author: Michael Glavassevich
Created: Sat, 12 Jun 2004 10:00 AM
Body:
This sounds like a bug in the JRE. The javadocs for java.net.URL.openConnection() [1]
and java.net.URLConnection.getInputStream() [2] state that these methods return a
URLConnection and an InputStream (respectively) or throw an IOException. They don't
give a conditions as to when their return values are permitted to be null.
[1] http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html#openConnection()
[2]
http://java.sun.com/j2se/1.4.2/docs/api/java/net/URLConnection.html#getInputStream()
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View this comment:
http://issues.apache.org/jira/browse/XERCESJ-975?page=comments#action_36063
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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: Sat, 12 Jun 2004 10:00 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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