Re: [Php-java-bridge-users] Constant 50%+ CPU usage?

[<php...@li...>]

Hi Jonathan,

> with Java.  After some time passes, with zero
> activity on the server,
> javaw's CPU usage holds steady at a consistent 50%+.

do you run javaw as a sub process of apache?

If so, can you please change the php.ini entry

java.java=javaw

to 

java.java=java

and then open the services dialog and allow the apache
service to open a console window. The procedure is
described here:

http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=tn_18120

When you restart the apache service, a console window
appears. When the CPU usage jumps to 50% please type
Ctrl+Break simultaneously. It will create the thread
dump in a file called {server-name}-out.log or
{server-name}-err.log file, depending on the version
of JDK/JRE you are using.

The thread dump will show the thread name which causes
the trouble. My guess is that the thread is some Java
manager thread which tries to respond to some
unexpected events. -- Apache sometime has the habit to
send out a signal to all of its children. 

If that's the case starting Java outside of the Apache
domain should solve the problem.

Anyway, when you have the thread dump please open a
ticket (please use
http://sourceforge.net/tracker/?func=add&group_id=117793&atid=679233)
and attach the dump to this ticket.

Thank you very much for reporting this problem!


Regards,
Jost Boekemeier




		
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