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From "George Sexton" <gsex...@mhsoftware.com>
Subject RE: Sudden JVM crashes - a Tomcat problem?
Date Thu, 13 Oct 2005 14:36:27 GMT
I was running Suse 9.2 w/ 1.4.2_08 and no issues. I upgraded to 9.3 with JDK
1.5.0_03 because there were some MAJOR performance improvements. I'm running
that combo with about 60 virtual hosts on one machine and no issues.

George Sexton
MH Software, Inc.
http://www.mhsoftware.com/
Voice: 303 438 9585
  

> -----Original Message-----
> From: Robert Sösemann [mailto:robert.soesemann@goelz.com] 
> Sent: Thursday, October 13, 2005 5:05 AM
> To: Tomcat Users List
> Subject: Sudden JVM crashes - a Tomcat problem?
> 
> Hello,
> 
> 
> we have a really tricky problem while running our web-application:
> 
> The JVM crashes from time to time for no apparent reason.
> There seems to be no direct relation to any user-action, 
> method-call or whatever.
> 
> We've checked the JVM crash dumps, but were not able to find
> something suspicious. The only ideas we've come up, were the 
> usual suspects: JNI-calls and JDBC-Type2-drivers.
> 
> This is our current setup:
> - JVM 1.4.2_09 on Linux SuSE 9.3
> - mysql-database 4.1.14-max with 
> - mysql-connector-java-3.0.14-production driver
> - postgresql-database 8.0.3 with postgresql-8.0-312.jdbc3 driver
> 
> The only JNI-calls that I know of, is through some 3rd party
> UUID-library from "org.doomdark.jug". Maybe the forementioned 
> jdbc-drivers contain JNI-calls, despite being Type4-drivers.
> 
> I've also checked a bunch of mailing-lists and it seems there
> are some outstanding bugs in hotspot, that may trigger the 
> crash. Does anybody have more information or a workaround for this?
> 
> 
> Who can help? Thanks in advance!
> 
> Robert
> Leiter Softwareentwicklung
> ________________________________________
> 
> Gölz & Schwarz GmbH 
> Waltherstr. 29, 80337 München, Germany 
> phone: + 49 - (0)89 / 54 46 70 - 0 
> fax: +49 - (0)89 / 54 46 70 - 10 
> e-mail: robert.soesemann@goelz.com 
> web: http://www.goelz.com 
> ________________________________________
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