Hey,
Can someone please advise me on this one. I am at a total loss as to
what is going on here.
Since we search engine's deployed our output to be a JSP page, random
pages are failing. I would literally refresh the page, and it works
every time, and then suddenly, WAM. Also, not the same error every
time. We are using a custom tag library, but it doesn't fail in here.
For isntance, the following exception is because "context" is null.
Can someone explain to me WHY context would be null?
java.lang.NullPointerException
at org.apache.catalina.connector.Request.setAttribute(Request.java:1424)
at
org.apache.catalina.connector.RequestFacade.setAttribute(RequestFacade.java:503)
at templates.JSPTemplate.loadTemplate(JSPTemplate.java:63)
at web.Search.replyBody(Search.java:255)
at web.Search.doGet(Search.java:73)
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:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
at
org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:887)
at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:696)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2009)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Also this. I know that I didn't request the output stream or writer
from the response object. I NEVER do. I only do a
requestDispacter().forward(req,resp) to the JSP apge.
java.lang.IllegalStateException: Cannot forward after response has
been committed
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:302)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
at templates.JSPTemplate.loadTemplate(JSPTemplate.java:64)
at web.Search.replyBody(Search.java:255)
at web.Search.doGet(Search.java:73)
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:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
at
org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:887)
at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:696)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2009)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
--
Quintin Beukes
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