Environment: IIS 4.0 on NT 4.0 with JRun 3.02 and Sun
JVM 1.3.1_02(configured to 512 MB)
After site has been running several hours, JRun serves
up a "JRun closed connection"
error message for most JSP requests.

"JRun connector protocol error"
"JRun closed connection"

It is not clear what exactly causes this fatal error
but afterwords JRun serves up the
"JRun closed connection" error for most JSP pages on
the site.

It seems that IIS is still up and thinks it is serving
the JSP page since the log
shows 200 HTTP status which makes is hard to tell
exactly which request has caused
the fatal closed connection error:

2002-02-08  GET /index.jsp 200 335 1494 16 HTTP/1.1
Mozilla/4.0+(compatible;+MSIE+6.0b;+Windows+NT+5.0)

It looks like JVM process (javaw.exe) and JRun
(jrun.exe) are sill running on NT
and process size of javaw.exe is far below 512MB max
(so probably not the
java.lang.OutOfMemory problem that we have also seen
on site)

Has anyone seen this problem ? Has anyone tried JRun
version 3.1 with cumulative patch
and seen improvement in the JRun/IIS connection?


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