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From "arvind singh" <sing...@hotmail.com>
Subject Re: Tomcat 4 and Linux SMP
Date Tue, 03 Feb 2004 22:59:20 GMT
Hyperthreading is working fine.
Tomcat is working very well with non SMP kernel and only with JRE.

RedHat has nothing new other than a better dektop.

I can see virtual processor and other apps. work just well with very good
performance.
This SMP kernel was released by RedHat Network for 8.

Thanks.

----- Original Message -----
From: "Oscar Carrillo" <tomcat@daydream.stanford.edu>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
Sent: Tuesday, February 03, 2004 4:22 PM
Subject: Re: Tomcat 4 and Linux SMP


> Don't expect Hyperthreading to work without compiling a new kernel.
>
> BTW, I would update all your other packages, and maybe even updating to
> RedHat 9. In fact, I was not aware that there was that late of a kernel
> RPM version for RedHat 8.
>
> In addition, I don't think you can run Tomcat with a JRE. You have to use
> a JDK.
>
> Oscar
>
> On Tue, 3 Feb 2004, arvind
> singh wrote:
>
> > Hi,
> >
> > I am using RedHat 8 with SMP kernel.
> >
> > OS: RedHat 8
> > Kernel: kernel-smp-2.4.20-20.8.i686.rpm
> > Tomcat: tomcat4-4.1.18-full.1jpp.noarch.rpm
> > Java: j2re-1_4_1_06-fcs-linux-i586.rpm
> >
> > The Intel processor is hyperthreaded.
> >
> > Tomcat fails to startup. Below is the stack trace.
> >
>
> --------------------------------------------------------------------------
-----
> >
> > Unexpected Signal : 11 occurred at PC=0x40444B40
> > Function=(null)+0x40444B40
> > Library=/usr/java/j2re1.4.1_06/lib/i386/server/libjvm.so
> >
> > NOTE: We are unable to locate the function name symbol for the error
> >       just occurred. Please refer to release documentation for possible
> >       reason and solutions.
> >
> >
> > Current Java thread:
> >         at java.util.zip.ZipFile.getEntry(Native Method)
> >         at java.util.zip.ZipFile.getEntry(ZipFile.java:149)
> >         - locked <0x460bb3d0> (a java.util.jar.JarFile)
> >         at java.util.jar.JarFile.getEntry(JarFile.java:184)
> >         at java.util.jar.JarFile.getJarEntry(JarFile.java:171)
> >         at
sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:669)
> >         at sun.misc.URLClassPath.getResource(URLClassPath.java:156)
> >         at java.net.URLClassLoader$1.run(URLClassLoader.java:190)
> >         at java.security.AccessController.doPrivileged(Native Method)
> >         at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
> >         at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
> >         - locked <0x45731b70> (a sun.misc.Launcher$AppClassLoader)
> >         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:272)
> >         - locked <0x45731b70> (a sun.misc.Launcher$AppClassLoader)
> >         at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
> >         at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader
java:941)
> >         at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader
java:857)
> >         at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader
java:941)
> >         at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader
java:857)
> >         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
> >         - locked <0x45731830> (a
org.apache.catalina.loader.StandardClassLoader)
> >         at
org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.jav
a:921)
> >         at
org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:506)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java)
> >         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
> >         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
> >         at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValvejav
a:260)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
> >         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> >  at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> >         at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValvejav
a:191)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
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.catalina.core.StandardContext.invoke(StandardContext.java:2415)
> >         at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
> >         at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
> >         at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172
)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
> >         at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:509)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
> >         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> >         at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> >         at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:174)
> >         at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
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.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:458)
> >         at
org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:551)
> >         at java.lang.Thread.run(Thread.java:536)
> >
> > Dynamic libraries:
> > Can not get information for pid = 1401
> >
> > Local Time = Tue Feb  3 09:28:58 2004
> > Elapsed Time = 836
> > #
> > # HotSpot Virtual Machine Error : 11
> > # Error ID : 4F530E43505002E6
> > # Please report this error at
> > # http://java.sun.com/cgi-bin/bugreport.cgi
> > #
> > # Java VM: Java HotSpot(TM) Server VM (1.4.1_06-b01 mixed mode)
> > #
> > # An error report file has been saved as hs_err_pid741.log.
> > # Please refer to the file for further information.
> > #
> >
> >
> > I would appreciate any help.
> > Thanks in advance.
> >
> > -Arvind
> >
>
>
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