everything seems to be blocked on this one

"TP-Processor62" daemon prio=1 tid=0x081ef7e0 nid=0x6971 runnable [0x94f12000..0x94f130a0]
at java.lang.String.intern(Native Method)
at javax.management.ObjectName.setCanonicalName(ObjectName.java:733)
at javax.management.ObjectName.construct(ObjectName.java:565)
at javax.management.ObjectName.<init>(ObjectName.java:1304)
at org.apache.jk.common.ChannelSocket.registerRequest(ChannelSocket.java:461)
at org.apache.jk.common.HandlerRequest.checkRequest(HandlerRequest.java:357)
- locked <0x7267ab08> (a java.lang.Object)
at org.apache.jk.common.HandlerRequest.decodeRequest(HandlerRequest.java:367)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:261)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:595)

and that seems to point to the OS/JDK version combo you are running.

try to upgrade to a later JDK, and see if that resoves the issue for you

Filip


Jimmy Phelan :: Blacknight Solutions wrote:

Hi All

We are using tomcat 5 on a shared hosting server. The server is running DirectAdmin as its control panel. It is running RedHat Enterprise 4, tomcat 5.5.23 and jvm 1.5.0_08-b03

I have attached a stack trace (from kill -3)

We are using a plugin from da-plugin.com to use tomcat in DirectAdmin, but the support on this is less than stellar, and we don’t believe it to be the issue

What seems to be happening is that every now and again the java process jumps to 100% usage, and sticks. Only a service tomcatd restart will kill it and restart the server

Tomcat 5 has the following variables enables in its process

-Xmx512M -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties -Djava.endorsed.dirs=/usr/local/tomcat/common/endorsed -classpath :/usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/commons-logging-api.jar -Dcatalina.base=/usr/local/tomcat -Dcatalina.home=/usr/local/tomcat -Djava.io.tmpdir=/usr/local/tomcat/temp org.apache.catalina.startup.Bootstrap start

We are also running tomcat-4 in tandem with tomcat 5, it runs with the following variables

-Djava.endorsed.dirs=/usr/local/tomcat.4.1.33/common/endorsed -classpath /usr/local/java/lib/tools.jar:/usr/local/tomcat.4.1.33/bin/bootstrap.jar -Dcatalina.base=/usr/local/tomcat.4.1.33 -Dcatalina.home=/usr/local/tomcat.4.1.33 -Djava.io.tmpdir=/usr/local/tomcat.4.1.33/temp org.apache.catalina.startup.Bootstrap start

We have been trying to sort this out for a while, but cant see anything, can anyone else?

Jimmy

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