thanks. that is a relief. Cheers, Weijian
2009/4/22 Janne Jalkanen <[email protected]>: > > It could happen if someone is accessing a template file without going > through the main JSP files. I get this a lot on jspwiki.org, and this is > usually due to hacking attempts or bots. > > /Janne > > On 22 Apr 2009, at 12:50, Weijian Fang wrote: > >> Sorry to ask again. But can someone explain this "Tag failed" error? >> Or give some hints on it? Many thanks in advance! >> >> Basically, WikiTagBase.m_wikiContext == null, how could it be? >> >> <log4j:event logger="com.ecyrd.jspwiki.tags.WikiTagBase" >> timestamp="1239931142106" level="ERROR" thread="TP-Processor14"> >> <log4j:message><![CDATA[Tag failed]]></log4j:message> >> <log4j:NDC><![CDATA[OMII-UK:/wiki/PrivateWIKIADMINSystemInfo >> >> OMII-UK:http://www.omii.ac.uk/wiki/PrivateWIKIADMINSystemInfo]]></log4j:NDC> >> <log4j:throwable><![CDATA[javax.servlet.jsp.JspException: WikiContext >> may not be NULL - serious internal problem! >> at com.ecyrd.jspwiki.tags.WikiTagBase.doStartTag(WikiTagBase.java:86) >> at >> org.apache.jsp.Error_jsp._jspx_meth_wiki_005fMessages_005f0(Error_jsp.java:178) >> at org.apache.jsp.Error_jsp._jspService(Error_jsp.java:125) >> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) >> at >> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) >> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) >> at >> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) >> at >> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) >> at >> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) >> at >> org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:686) >> at >> org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:656) >> at >> org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:801) >> at >> org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:774) >> at org.apache.jsp.Wiki_jsp._jspService(Wiki_jsp.java:135) >> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) >> at >> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) >> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) >> at >> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) >> at >> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) >> at >> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) >> at com.ecyrd.jspwiki.WikiServlet.doGet(WikiServlet.java:100) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> com.ecyrd.jspwiki.ui.WikiServletFilter.doFilter(WikiServletFilter.java:99) >> at com.ecyrd.jspwiki.ui.WikiJSPFilter.doFilter(WikiJSPFilter.java:91) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) >> at >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:548) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) >> at >> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) >> at >> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) >> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) >> at >> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) >> at >> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) >> at >> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) >> at java.lang.Thread.run(Thread.java:595) >> ]]></log4j:throwable> >> </log4j:event> > >
