Hello,

I haven't written to this list in ages... But I use WinXP Professional,
and everywhere I look, I got JVM/JDK error messages with the latest
release from Sun (i.e. 1.3.1.02)... everywhere I looked.

I uninstalled that, and installed 1.3.1.01 and have never gotten any
error messages since.  The messages including MSIE crashing visiting
Moviefone.com and any web-based java applet-containing website.

(PS: Opera browser urges the latest JVM/JDK, but that browser seems to
only work with 1.3.1.02 as well... so I stopped using it until Sun fixes
these Win32 issues.)

Nasser
(Just another guy)

-----Original Message-----
From: A mailing list about Java Server Pages specification and reference
[mailto:[EMAIL PROTECTED]] On Behalf Of Vikramjit Singh
Sent: Saturday, January 26, 2002 2:26 AM
To: [EMAIL PROTECTED]
Subject: Re: JVM crash with JRun 3.02

hi hannah,
even we were getting the same problem i.e. Dr. Watson which was very
irritating. from which ever machine we did Dr. Watson would come up. we
were
also doing everything right, closing the connections, using oracle thin
driver, returning the connection back to the pool. after all this we
just
reinstalled the jdk. and didnt get the problem again. why dont u also
try
reinstalling the jdk.

Vikramjit Singh,
Systems Engineer,
GTL Ltd.
Ph. 7612929-3140


-----Original Message-----
From: Hannah Liebe [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 25, 2002 9:54 PM
To: [EMAIL PROTECTED]
Subject: JVM crash with JRun 3.02


We are developing a JSP/Servlet/Java bean based
application and use JRun 3.02a.11614 as the
JSP/Servlet
engine on top of IIS 4.0/NT 4.0 using either the Sun
JVM 1.3.0.02 or JVM 1.3.1(see same crashing behaviour
with either JVM)

I've scoured the JSP-INTEREST archives and have
confirmed the following:
1) not using the Sun JDBC-ODBC driver(we are using the
Oracle thin driver
oracle.jdbc.driver.OracleDriver)
2) PreparedStatement, ResultSet must always be closed
3) connections must always be returned to the pool
(Would a single connection not returned to the pool or
single unclosed statment be enough to crash the JVM?
It is a large site with many JSP files and beans.)

We are experiencing these significant problems:

- Browsing through our JSP pages  often results in a
JVM crash (a
bad one!). We get "javaw.exe - Application Error
Access Memory Violations  ...Instruction
referenced memory ...." which is caught by Dr. Watson.
This seems to happen after the JRun has been running
several hours but scouring the log files has not
yielded any specific JSP page
which could be causing the problem(seems to be
random). From the server
console, we see drwatson dialogue box with the
"javaw.exe" error and the
"dontdiejava.exe" error which indicates that the
memory contents are being
dumped to a 500MB dump file.

- Sometimess we see a "java.lang.OutOfMemory <<no
stack trace available>>" error in
the JRun log files (but not every time the JVM
crashes). From the browser we
sometimes get an OutOfMemory error as well.  Not sure
if the OutOfMemory exception is
related or not. This may be a separate problem which
also causes the JVM to crash

- We've seen these error messages in the log file
occassionally:
#

# HotSpot Virtual Machine Error, Internal Error

# Please report this error at

# http://java.sun.com/cgi-bin/bugreport.cgi

#

# Error ID: 4349254E560E43505000F4

#
# Problematic Thread: prio=5 tid=0x449ad0 nid=0x57
runnable



#
# HotSpot Virtual Machine Error,
EXCEPTION_ACCESS_VIOLATION
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Error ID: 4F533F57494E13120E43505002D4
#
-These problems have been reported to Sun but they
have only recommended
upgrading the JVM to 1.3.1.02 or 1.4Beta since we
cannot identify an exact
causal sequence

Any suggestions? Anyone had similar behavior?



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Some relevant FAQs on JSP/Servlets can be found at:

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