Return-Path: Mailing-List: contact tomcat-user-help@jakarta.apache.org; run by ezmlm Delivered-To: mailing list tomcat-user@jakarta.apache.org Received: (qmail 39375 invoked from network); 17 Jul 2000 22:57:18 -0000 Received: from unknown (HELO mail.tenzing.com) (qmailr@209.100.201.10) by locus.apache.org with SMTP; 17 Jul 2000 22:57:18 -0000 Received: (qmail 16154 invoked from network); 17 Jul 2000 22:57:01 -0000 Received: from host34.tenzing.com (HELO AKRAMLIK2K) (209.100.201.34) by wednesday.tenzing.com with SMTP; 17 Jul 2000 22:57:01 -0000 From: "Aron Kramlik" To: Subject: in Tomcat 3.1 - HANDLER THREAD PROBLEM Date: Mon, 17 Jul 2000 15:47:38 -0700 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: <02a701bff029$074326f0$13f2ad80@ward.vt.edu> X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 Importance: Normal Hi, I am getting a HANDLER THREAD PROBLEM from Tomcat. Environment is Tomcat 3.1 final on RedHat 6.1. I get the following stack trace on the console when I connect to my app with 4 different web sessions and execute a rather long lived transaction in each. It actually gets a listing of data from the EJB tier (WL4.5). I get the following HANDLER THREAD PROBLEM error: Any ideas? Thanks in advance. HANDLER THREAD PROBLEM: java.lang.NullPointerException: java.lang.NullPointerException: at org.apache.tomcat.service.connector.AJP12ResponseAdapter.sendStatus(A jp12ConnectionHandler.java:439) at org.apache.tomcat.service.http.HttpResponseAdapter.endHeaders(HttpRes ponseAdapter.java:111) at org.apache.tomcat.core.BufferedServletOutputStream.sendHeaders(Buffer edServletOutputStream.java:127) at org.apache.tomcat.core.BufferedServletOutputStream.reallyFlush(Buffer edServletOutputStream.java:239) at org.apache.tomcat.core.BufferedServletOutputStream.write(BufferedServ letOutputStream.java:186) at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:219) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:233) at java.io.PrintWriter.flush(PrintWriter.java:120) at org.apache.tomcat.core.ResponseImpl.finish(ResponseImpl.java:175) at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processCon nection(Ajp12ConnectionHandler.java:158) at org.apache.tomcat.service.TcpWorkerThread.run(PoolTcpEndpoint.java:36 6) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java :411) at java.lang.Thread.run(Thread.java:475) HANDLER THREAD PROBLEM: java.lang.NullPointerException: java.lang.NullPointerException: at org.apache.tomcat.service.connector.AJP12ResponseAdapter.sendStatus(A jp12ConnectionHandler.java:439) at org.apache.tomcat.service.http.HttpResponseAdapter.endHeaders(HttpRes ponseAdapter.java:111) at org.apache.tomcat.core.BufferedServletOutputStream.sendHeaders(Buffer edServletOutputStream.java:127) at org.apache.tomcat.core.BufferedServletOutputStream.reallyFlush(Buffer edServletOutputStream.java:239) at org.apache.tomcat.core.BufferedServletOutputStream.write(BufferedServ letOutputStream.java:186) at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:219) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:233) at java.io.PrintWriter.flush(PrintWriter.java:120) at org.apache.tomcat.core.ResponseImpl.finish(ResponseImpl.java:175) at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processCon nection(Ajp12ConnectionHandler.java:158) at org.apache.tomcat.service.TcpWorkerThread.run(PoolTcpEndpoint.java:36 6) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java :411) at java.lang.Thread.run(Thread.java:475)