I am attempting to create the struts-blank application from
jakarta-struts-1.1b1-lib.zip using Websphere Studio Application Developer
4.0.2. When I attempt to start the application server (The Websphere v4
Test Server) I receive the following error:
java.lang.NullPointerException
at
org.apache.commons.digester.Digester.createSAXException(Digester.java:1763)
at
org.apache.commons.digester.Digester.createSAXException(Digester.java:1785)
at org.apache.commons.digester.Digester.startElement(Digester.java:942)
at org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1376)
at
org.apache.xerces.validators.common.XMLValidator.callStartElement(XMLValidat
or.java:1214)
at
org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanne
r.java:1806)
at
org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XM
LDocumentScanner.java:1182)
at
org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.
java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1081)
at org.apache.commons.digester.Digester.parse(Digester.java:1206)
at
org.apache.struts.action.ActionServlet.initApplicationConfig(ActionServlet.j
ava:774)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:417)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
.
.
.
at
com.ibm.etools.websphere.tools.runner.api.ServerRunner$1.run(ServerRunner.ja
va)
[ERROR] ActionServlet - -Parsing error processing resource path
/WEB-INF/struts-config.xml <java.lang.NullPointerException>
I noticed other people have posted messages for similar problems and they
were usually related to problems with the XML parser. By default, WSAD 4.0
is using Xerces 3.2.1. I have also attempted to add crimson.jar and
xalan.jar from Suns fall xml release to WEB-INF/lib. This resulted in a
similar error.
I have been using the environment described above (WSAD 4.0, Xerces 3.2.1)
successfully to develop software using Struts 1.02.
If there is any additional information I can provide, please let me know.
Thanks in advance for any help on this problem.
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