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i get the following message whenever i tried to edit page installation.html fron the /release directory as told by the getting started guide.iam working on redhat linux9,with apache tomcat-5 and javejdk 1.5,installed. please help me,urgent reply needed<BR>
The message is:type Exception report<BR>
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message<BR>
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description The server encountered an internal error () that prevented it from fulfilling this request.<BR>
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exception<BR>
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javax.servlet.ServletException: Servlet execution threw an exception<BR>
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root cause<BR>
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java.lang.NoSuchMethodError: org.apache.xerces.dom.CoreDocumentImpl.getEncoding()Ljava/lang/String;<BR>
     com.opencms.template.CmsXmlXercesParser.getOriginalEncoding(CmsXmlXercesParser.java:193)<BR>
     com.opencms.template.CmsXmlXercesParser.getXmlText(CmsXmlXercesParser.java:131)<BR>
     com.opencms.template.A_CmsXmlContent.getXmlText(A_CmsXmlContent.java:684)<BR>
     com.opencms.template.A_CmsXmlContent.getXmlText(A_CmsXmlContent.java:673)<BR>
     com.opencms.file.CmsResourceTypePage.copyResource(CmsResourceTypePage.java:391)<BR>
     com.opencms.file.CmsObject.copyResource(CmsObject.java:684)<BR>
     com.opencms.workplace.CmsXmlTemplateEditor.createTemporaryFile(CmsXmlTemplateEditor.java:100)<BR>
     com.opencms.workplace.CmsXmlTemplateEditor.getContent(CmsXmlTemplateEditor.java:444)<BR>
     com.opencms.template.cache.CmsElementXml.getContent(CmsElementXml.java:171)<BR>
     com.opencms.template.cache.CmsUri.callCanonicalRoot(CmsUri.java:185)<BR>
     com.opencms.template.cache.CmsElementCache.callCanonicalRoot(CmsElementCache.java:149)<BR>
     com.opencms.launcher.CmsXmlLauncher.generateOutput(CmsXmlLauncher.java:285)<BR>
     com.opencms.launcher.CmsXmlLauncher.launch(CmsXmlLauncher.java:341)<BR>
     com.opencms.launcher.A_CmsLauncher.initlaunch(A_CmsLauncher.java:274)<BR>
     com.opencms.core.OpenCms.showResource(OpenCms.java:961)<BR>
     com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)<BR>
     javax.servlet.http.HttpServlet.service(HttpServlet.java:689)<BR>
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)<BR>
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note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs.<BR>

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