cpu 100% java

[Benjamin Adams <badams (at) ambrosiasw.com>]

I'm on OS X 10.4.7 running with weblog software (blojsom)
I have to do a kill -9 on java to stop it from using 100+ on cpu  
sometimes, to let users connect.
This comes up over and over in the log:
2006-08-01 17:22:08 StandardWrapperValve[blojsom]: Servlet.service()  
for servlet blojsom threw exception
javax.servlet.ServletException: Servlet execution threw an exception
        at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:193)
        at org.blojsom.filter.CompressionFilter.doFilter 
(CompressionFilter.java:107)
        at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:213)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:193)
        at org.blojsom.filter.PermalinkFilter.doFilter 
(PermalinkFilter.java:208)
        at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:213)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.StandardWrapperValve.invoke 
(StandardWrapperValve.java:256)
        at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(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 
(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(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:2417)
        at org.apache.catalina.core.StandardHostValve.invoke 
(StandardHostValve.java:180)
        at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke 
(ErrorDispatcherValve.java:171)
        at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.ErrorReportValve.invoke 
(ErrorReportValve.java:172)
        at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(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.invokeNext(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:193)
        at org.apache.jk.server.JkCoyoteHandler.invoke 
(JkCoyoteHandler.java:309)
        at org.apache.jk.common.HandlerRequest.invoke 
(HandlerRequest.java:387)
        at org.apache.jk.common.ChannelSocket.invoke 
(ChannelSocket.java:673)
        at org.apache.jk.common.ChannelSocket.processConnection 
(ChannelSocket.java:615)
        at org.apache.jk.common.SocketConnection.runIt 
(ChannelSocket.java:786)
        at org.apache.tomcat.util.threads.ThreadPool 
$ControlRunnable.run(ThreadPool.java:666)
        at java.lang.Thread.run(Thread.java:613)
----- Root Cause -----
java.lang.OutOfMemoryError: Java heap space

Can some one point me in the right direction to fix?
Thanks
Ben

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