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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 21763] New: - Tomcat 4.1.24 hangs under heavy load using http connector.
Date Mon, 21 Jul 2003 12:35:20 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=21763

Tomcat 4.1.24 hangs under heavy load using http connector.

           Summary: Tomcat 4.1.24 hangs under heavy load using http
                    connector.
           Product: Tomcat 4
           Version: 4.1.24
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Connector:Coyote HTTP/1.1
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: ro@k00l.net


Using a straight out of the box tomcat instance, when hit with heavy load, 
tomcat eventually runs out of processors. Version 4.1.18 logs an INFO entry and 
will recover when the load reduces. Version 4.1.24 logs a SEVERE and hangs in 
an undefined state:-

Under Tomcat 4.1.24:-
 
org.apache.tomcat.util.threads.ThreadPool logFull
SEVERE: All threads are busy, waiting. Please increase maxThreads or check the 
servlet status75 75
 
Under Tomcat 4.1.18:-
 
org.apache.tomcat.util.log.CommonLogHandler log
INFO: All threads are busy, waiting. Please increase maxThreads or check the 
servlet status75 75

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