Re: Urgent! Cannot start Tomcat - java.lang.OutOfMemoryError

[Jon Wingfield]

Most JVMs limit the number of concurrent threads that can be created. 
That will be the OutOfMemoryError. As to why it is happening: Have you 
tweaked the server.xml settings for min/maxProcessors? Have you upped 
things like ulimit before the power outage and are now reset?

Denise Mangano wrote:

Hi all.  I am running Apache 1.3.28, mod_jk 1.2, Tomcat 4.1.27 on a RH
Linux 7.3 box with j2sdk 1.4.2.  We had a power outage last night, and I
have been trying to restart Tomcat and Apache, but Tomcat will not
start.  I have tried searching the archives, but I can't seem to figure
out where to start with trying to fix this problem.  Any help is GREATLY
appreciated... It's urgent that I get this up and running asap.  This is
the output from my catalina.out:
Starting service Tomcat-Standalone
Apache Tomcat/4.1.27
Sep 19, 2003 9:01:25 AM org.apache.struts.util.PropertyMessageResources
<init>
INFO: Initializing, config='org.apache.struts.util.LocalStrings',
returnNull=true
Sep 19, 2003 9:01:25 AM org.apache.struts.util.PropertyMessageResources
<init>
INFO: Initializing, config='org.apache.struts.action.ActionResources',
returnNull=true
Sep 19, 2003 9:01:26 AM org.apache.struts.util.PropertyMessageResources
<init>
INFO: Initializing,
config='org.apache.webapp.admin.ApplicationResources', returnNull=true
Exception during startup processing
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Caused by: java.lang.OutOfMemoryError: unable to create new native
thread
        at java.lang.Thread.start(Native Method)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.<init>(ThreadP
ool.java:582)
        at
org.apache.tomcat.util.threads.ThreadPool.openThreads(ThreadPool.java:46
0)
        at
org.apache.tomcat.util.threads.ThreadPool.start(ThreadPool.java:179)
        at
org.apache.tomcat.util.net.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint
.java:300)
        at
org.apache.coyote.http11.Http11Protocol.start(Http11Protocol.java:161)
        at
org.apache.coyote.tomcat4.CoyoteConnector.start(CoyoteConnector.java:118
0)
        at
org.apache.catalina.core.StandardService.start(StandardService.java:506)
        at
org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
        at
org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
        at
org.apache.catalina.startup.Catalina.process(Catalina.java:180)
        ... 5 more
Exception in thread "main" java.lang.OutOfMemoryError: unable to create
new native thread
        at java.lang.Thread.start(Native Method)
        at java.lang.Shutdown.runHooks(Shutdown.java:126)
        at java.lang.Shutdown.sequence(Shutdown.java:165)
        at java.lang.Shutdown.exit(Shutdown.java:210)
        at java.lang.Runtime.exit(Runtime.java:90)
        at java.lang.System.exit(System.java:715)
        at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:208)
Denise Mangano 
Complus Data Innovations, Inc. 
914-747-1200 

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