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Posted to dev@tomcat.apache.org by bu...@apache.org on 2005/03/02 14:07:31 UTC
DO NOT REPLY [Bug 33807] New: -
When thread pool fills tomcat stops processing requests.
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http://issues.apache.org/bugzilla/show_bug.cgi?id=33807
Summary: When thread pool fills tomcat stops processing requests.
Product: Tomcat 5
Version: 5.5.4
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: wojtek@brandlay.com
I'm running 5.5.4 with sun jdk 1.4 (but this problem exists probably with every
jdk version and with many tomcat versions). I have a very loaded site. When I
restart tomcat it gets immediately hit by hundreds of clients. The load goes up
and processing requests starts taking a very long time. As a result all the
worker threads become busy and I get the following message in the log:
Mar 1, 2005 3:33:31 PM org.apache.tomcat.util.threads.ThreadPool logFull
SEVERE: All threads (900) are currently busy, waiting. Increase maxThreads (900)
or check the servlet status
After this tomcat stops processing new requests. I believe that the correct
behaviour would be to continue processing requests with the existing threads and
processing new as the threads become free. But in this case, as I said tomcat
simply stops accepting new connections and 'hangs' not doing anything.
Increasing max threads seems to be a workaround but not a good one.
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