Howdy, It's also been explained numerous times on this list, which is likely where JGuru copied the answer ;)
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Lukas Bradley [mailto:[EMAIL PROTECTED] >Sent: Friday, November 14, 2003 12:22 AM >To: [EMAIL PROTECTED] >Subject: Re: Tomcat 4.1 Runaway Java Procs on Debian LINUX > >First, this was my main contention point. It was answered on JGuru. > >[N.B.: Under Linux, each Java Thread appears in the process list (ps) as a >separate process. This is because native Linux threads are implemented as >lightweight processes. However, there is still only one Java process >space -- the memory/CPU reported by each thread is actually shared among >all >threads. -A] > > > >"Lukas Bradley" <[EMAIL PROTECTED]> wrote in message >news:[EMAIL PROTECTED] >> What determines the number of Java procs running catalina upon startup? >> The OS is Debian Linux, and it's Tomcat 4.1. >> >> If you look closely below, between ids 268 and 317 was full of java >> instances. That's 49 java instances running the bootstrap. What would >make >> this happen? Is this normal? Is this what happens when a server gets >> throttled? >> >> I tried shutting them down, but was unable. The catalina.out log was >filled >> with this: >> >> StandardWrapperValve[default]: Servlet.service() for servlet default >threw >> exception >> java.net.SocketException: Broken pipe >> at java.net.SocketOutputStream.socketWrite0(Native Method) >> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) >> at java.net.SocketOutputStream.write(SocketOutputStream.java:136) >> at >> >org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer. doWr >i >> te(InternalOutputBuffer.java:668) >> at >> >org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityO utpu >t >> Filter.java:160) >> at >> >org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuf fer. >j >> ava:523) >> at org.apache.coyote.Response.doWrite(Response.java:524) >> at >> >org.apache.coyote.tomcat4.OutputBuffer.realWriteBytes(OutputBuffer.java :384 >) >> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:439) >> at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:359) >> at >org.apache.coyote.tomcat4.OutputBuffer.writeBytes(OutputBuffer.java:411 ) >> >> then this: >> >> CoyoteAdapter An exception or error occurred in the container during the >> request processing >> java.lang.NullPointerException >> at >> >org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve .jav >a >> :164) >> at >> >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invo >k >> eNext(StandardPipeline.java:643) >> at >> >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 480) >> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) >> at >org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) >> at >> >org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:5 94) >> at >> >org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process Conn >e >> ction(Http11Protocol.java:392) >> at >> >org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:5 65) >> at >> >org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPoo l.ja >v >> a:619) >> at java.lang.Thread.run(Thread.java:536) >> >> If the server were rebooted, why would 25 or so processes start? Any >ideas? >> Any consultants in Atlanta want to make some money tomorrow? >> >> Thanks for any and all help. >> nat447:# ps auxww|grep java >> >> root 268 2.7 9.5 253720 49036 pts/0 S 17:55 0:05 >> >> >/usr/local/java/bin/java - >Djava.endorsed.dirs=/usr/local/tomcat/common/endor >> sed -classpath >> /usr/local/java/lib/tools.jar:/usr/local/tomcat/bin/bootstrap.jar >> >> -Dcatalina.base=/usr/local/tomcat -Dcatalina.home=/usr/local/tomcat - >Djava >.i >> o.tmpdir=/usr/local/tomcat/temp >> >> org.apache.catalina.startup.Bootstrap start >> >> -snip- >> >> root 317 0.0 9.5 253720 49036 pts/0 S 17:56 0:00 >> >> /usr/local/java/b >> >> in/java -Djava.endorsed.dirs=/usr/local/tomcat/common/endorsed >> >> -classpath /usr/l >> ocal/java/lib/tools.jar:/usr/local/tomcat/bin/bootstrap.jar >> >> -Dcatalina.base=/usr >> >> >/local/tomcat -Dcatalina.home=/usr/local/tomcat - >Djava.io.tmpdir=/usr/local/ >> tomc at/temp org.apache.catalina.startup.Bootstrap start > > > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. 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