<p>Hi,</p>
<p>I am getting a servlet exception when my web app, which is using birt as its reporting tool, is deployed in the Weblogic Server(11g).. This exception is thrown when we try to load the parameters (Filters).. Kindly reply with the solution.. I am currently using JDK 1.6_18.. This issue only arises when deployed in weblogic</p>
<p> </p>
<p>The complete stack trace is as follows..</p>
<p>java.lang.LinkageError: loader constraint violation in interface itable initialization: when resolving method "org.apache.xerces.dom.CoreDocumentImpl.getDomConfig()Lorg/w3c/dom/DOMConfiguration;" the class loader (instance of weblogic/utils/classloaders/ChangeAwareClassLoader) of the current class, org/apache/xerces/dom/CoreDocumentImpl, and the class loader (instance of <bootloader>) for interface org/w3c/dom/Document have different Class objects for the type org/w3c/dom/DOMConfiguration used in the signature<br>
at org.apache.xerces.parsers.AbstractDOMParser.startDocument(Unknown Source)<br>
at org.apache.xerces.impl.dtd.XMLDTDValidator.startDocument(Unknown Source)<br>
at org.apache.xerces.impl.XMLDocumentScannerImpl.startEntity(Unknown Source)<br>
at org.apache.xerces.impl.XMLVersionDetector.startDocumentParsing(Unknown Source)<br>
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)<br>
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)<br>
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)<br>
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)<br>
at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)<br>
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:124)<br>
at org.eclipse.birt.core.framework.jar.BundleLoader.loadExtensions(BundleLoader.java:149)<br>
at org.eclipse.birt.core.framework.jar.BundleLoader.load(BundleLoader.java:63)<br>
at org.eclipse.birt.core.framework.jar.ServicePlatform.installBundle(ServicePlatform.java:57)<br>
at org.eclipse.birt.core.framework.jar.ServiceLauncher.startup(ServiceLauncher.java:72)<br>
at org.eclipse.birt.core.framework.Platform.startup(Platform.java:75)<br>
at ubq.reportingtoolframework.ReportingToolManager.initIReportEngine(ReportingToolManager.java:467)<br>
at ubq.reportingtoolframework.ReportingToolManager.loadFilter(ReportingToolManager.java:86)<br>
at ubq.reportingtoolframework.ReportingToolServlet._loadFilter(ReportingToolServlet.java:82)<br>
at ubq.reportingtoolframework.ReportingToolServlet.handleGet(ReportingToolServlet.java:44)<br>
at ubq.base.UHttpServlet.doGet(UHttpServlet.java:125)<br>
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)<br>
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)<br>
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)<br>
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)<br>
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)<br>
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)<br>
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3686)<br>
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)<br>
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)<br>
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)<br>
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)<br>
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)<br>
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)<br>
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)<br>
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)</p>
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<p>Thanks in Advance..</p>
<p>Channamari</p>
