Andy,
You should try running your application with the jaxp.debug system
property set (i.e. -Djaxb.debug=true). That should at least reveal which
classloader isn't finding Xerces and may give you an idea of how to make
it work.
Thanks.
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: [EMAIL PROTECTED]
E-mail: [EMAIL PROTECTED]
"Miller, Andy" <[EMAIL PROTECTED]> wrote on 05/18/2006 05:58:35 PM:
> First off, my apologies if I am sending this email to a list that is
> not intended for technical questions. I have searched high and low
> on the web for answers to this question (including posting on the
> Java Developer forum), but I am not having any luck resolving my
problem.
>
> I?m running Java Sun System Web Server 6.1 SP5 on Windows Server
> 2003. I?ve deployed a 3rd party web application that works
> properly. I have also written/deployed my own servlet/struts web
> application that works properly (by itself). The 3rd party
> application allows for some customization (i.e., you can add links
> in that application to point to other locations). I have added a
> link that points from the 3rd party web application to MY web
application.
>
> The problem occurs when I do the following steps (in this exact order):
> 1. Deploy MY war file on the web server.
> 2. Bounce the web server.
> 3. Access the 3rd party application in a web browser.
> 4. Click on a link in the 3rd party application that points to MY
application.
>
> At this point I get an error (see the stack trace at the end of this
> email). I DO NOT get this error if I access MY application BEFORE
> attempting to access the 3rd party application.
>
> The 3rd party application has included the following jars (among
> others) in /WEB-INF/lib:
> xercesImpl.jar and xml-apis.jar
> And also, the 3rd party application requires the addition of the
> following JVM option:
> -Djavax.xml.parsers.SAXParserFactory=org.apache.crimson.jaxp.
> SAXParserFactoryImpl
>
> Things I?ve tried include:
> · Adding xercesImpl.jar, and xml-apis.jar to MY /WEB-
> INF/lib directory. Did not help.
> · Adding xercesImpl.jar, and xml-apis.jar to the web server
> common directory (\Sun\WebServer6.1\bin\https\jar), and also adding
> the jar files to my classpath. Did not help.
> · Adding the following code to an initialization servlet in
> MY application:
System.setProperty("javax.xml.parsers.DocumentBuilderFactory"
> , "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl"); Did not help.
>
> My guess is that the 3rd party application is loading/using Xerces.
> Then when my application loads up, my application is attempting to
> use a different XML parser during struts forwarding, and the failure
> happens (I should note that the error occurs when my application
> attempts to forward from the a servlet to a .jsp).
>
> I?ve been searching the web for 2 straight days now and I?m no
> closer to a solution than when I started. If anybody can help I
> would REALLY appreciate it?thx!
>
> stack trace:
> javax.servlet.ServletException: Provider org.apache.xerces.jaxp.
> DocumentBuilderFactoryImpl not found
> at com.iplanet.ias.web.jsp.JspServlet.service(JspServlet.java:387)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:908)
> at org.apache.catalina.core.ApplicationDispatcher.
> invoke(ApplicationDispatcher.java:772)
> at org.apache.catalina.core.ApplicationDispatcher.
> doForward(ApplicationDispatcher.java:471)
> at org.apache.catalina.core.ApplicationDispatcher.
> forward(ApplicationDispatcher.java:382)
> at org.apache.struts.action.RequestProcessor.
> doForward(RequestProcessor.java:1062)
> at org.apache.struts.action.RequestProcessor.
> processForwardConfig(RequestProcessor.java:386)
> at org.apache.struts.action.RequestProcessor.
> process(RequestProcessor.java:229)
> at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
> at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:787)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:908)
> at org.apache.catalina.core.StandardWrapperValve.
> invokeServletService(StandardWrapperValve.java:771)
> at org.apache.catalina.core.StandardWrapperValve.
> invoke(StandardWrapperValve.java:322)
> at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509)
> at org.apache.catalina.core.StandardContextValve.
> invoke(StandardContextValve.java:212)
> at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509)
> at org.apache.catalina.core.StandardHostValve.
> invoke(StandardHostValve.java:209)
> at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509)
> at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.
> process(NSAPIProcessor.java:161)
> at com.iplanet.ias.web.WebContainer.service(WebContainer.java:580)
> ----- Root Cause -----
> javax.xml.parsers.FactoryConfigurationError: Provider org.apache.
> xerces.jaxp.DocumentBuilderFactoryImpl not found
> at javax.xml.parsers.DocumentBuilderFactory.
> newInstance(DocumentBuilderFactory.java:99)
> at
org.apache.jasper.parser.ParserUtils.parseXMLDocument(ParserUtils.java:194)
> at org.apache.jasper.compiler.TagLibraryInfoImpl.
> parseTLD(TagLibraryInfoImpl.java:287)
> at org.apache.jasper.compiler.TagLibraryInfoImpl.
> <init>(TagLibraryInfoImpl.java:219)
> at org.apache.jasper.compiler.JspParseEventListener.
> processTaglibDirective(JspParseEventListener.java:1220)
> at org.apache.jasper.compiler.JspParseEventListener.
> handleDirective(JspParseEventListener.java:802)
> at org.apache.jasper.compiler.DelegatingListener.
> handleDirective(DelegatingListener.java:125)
> at org.apache.jasper.compiler.Parser$Directive.accept(Parser.java:255)
> at org.apache.jasper.compiler.Parser.parse(Parser.java:1157)
> at org.apache.jasper.compiler.Parser.parse(Parser.java:1115)
> at org.apache.jasper.compiler.Parser.parse(Parser.java:1111)
> at org.apache.jasper.compiler.ParserController.
> parse(ParserController.java:239)
> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:227)
> at com.iplanet.ias.web.jsp.JspServlet$JspServletWrapper.
> loadJSP(JspServlet.java:778)
> at com.iplanet.ias.web.jsp.JspServlet$JspServletWrapper.
> access$000(JspServlet.java:636)
> at
com.iplanet.ias.web.jsp.JspServlet.serviceJspFile(JspServlet.java:413)
> at com.iplanet.ias.web.jsp.JspServlet.service(JspServlet.java:375)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:908)
> at org.apache.catalina.core.ApplicationDispatcher.
> invoke(ApplicationDispatcher.java:772)
> at org.apache.catalina.core.ApplicationDispatcher.
> doForward(ApplicationDispatcher.java:471)
> at org.apache.catalina.core.ApplicationDispatcher.
> forward(ApplicationDispatcher.java:382)
> at org.apache.struts.action.RequestProcessor.
> doForward(RequestProcessor.java:1062)
> at org.apache.struts.action.RequestProcessor.processForwardConfig
>
>
> Andy Miller
> IS Designer
> Butte College
> 530.895.2946
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