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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5925

Apache server hangs up and consumes 100% CPU resource when upload file to server

           Summary: Apache server hangs up and consumes 100% CPU resource
                    when upload file to server
           Product: Tomcat 3
           Version: 3.2.3 Final
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Critical
          Priority: Other
         Component: Unknown
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]
                CC: [EMAIL PROTECTED]


1st test environment: Windows 2000 Server
2nd test environment: Windwos 200 Professional

Both are running Apache 1.3.20 + mod_jk + Tomcat 3.2.3 + JDK 1.3.1 and an 
application (written in Java) which serves upload file requests.

I used a browser (IE5) to upload file through the application, it's ok if I 
don't close the browser during uploading file. If I close the browser during 
uploading file, the Apache server hangs up and consume 100% CPU resource. Why???

What I could see is Apache process consume 100% CPU resource, not Tomcat. And I 
could stop tomcat process easily, but for apache, I issued a stop command , it 
took a long long time to stop the apache process.

According to my colleague, there is the same problem in the application when 
running in UNIX platform.

1) Is it a bug of Tomcat or mod_jk or Apache?
2) How to solve that problem?

Joseph.

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