SIGSEGV in MBean inspection

Bug #921999 reported by Knut-Olav Hoven on 2012-01-26
This bug affects 1 person
Affects Status Importance Assigned to Milestone
openjdk-6 (Ubuntu)

Bug Description

A fatal error has been detected by the Java Runtime Environment:
# SIGSEGV (0xb) at pc=0xb6e9ac65, pid=19625, tid=1792400240
# JRE version: 6.0_20-b20
# Java VM: OpenJDK Server VM (19.0-b09 mixed mode linux-x86 )
# Derivative: IcedTea6 1.9.10
# Distribution: Ubuntu 10.04.1 LTS, package 6b20-1.9.10-0ubuntu1~10.04.2
# Problematic frame:
# V []

More in attached file.

Application runs on Tomcat 6.
Segfault occurs when extracting and viewing MBean attributes on a JSP webpage.
It doesn't segfault immediately, it takes some reloads, maybe after the system has started processing data.
The system it's part of has some worker threads, which some are exported as MBeans.

The MBeans are exported by Spring.
The code used to extract attribute values from the MBeans is based upon the code example from this forum post:

Segfaults on both Ubuntu bootstrapped from Maven and deployed as war on Tomcat on Red Hat.

Application never segfaulted before the code was added and it doesn't segfault until the mbeans webpage has been visited.

= System info Ubuntu =

$ lsb_release -rd
Description: Ubuntu 10.04.3 LTS
Release: 10.04

$ java -version
java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.10) (6b20-1.9.10-0ubuntu1~10.04.2)
OpenJDK Server VM (build 19.0-b09, mixed mode)

Application started with "mvn tomcat:run".

= Same problem on Red Hat =

$ lsb_release -rd
Description: Red Hat Enterprise Linux Server release 6.1 (Santiago)
Release: 6.1

$ java -version
java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.8) (rhel-
OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)

Application deployed as war on Tomcat 6.

Knut-Olav Hoven (knutolav) wrote :
Changed in openjdk-6 (Ubuntu):
status: New → Confirmed
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