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Hot Spot JVM Crashes Urgent pls help

jagdishrao rao
Greenhorn

Joined: Aug 24, 2006
Posts: 1
Hellow experts

config
-------------------
Java 1.5.0.08
tomcat 5.5.17
Os :Ubuntu Dapper Linux and Windows Xp Pofessional
Jasperreports1.2.2.jar for reports
Mysql Databse 5.0
------------------------------------------------
i am working on a Swings based Java appl where i am using jasper reports.the database is Mysql.

i have some reports which are simple listing of records and some very complex query based reports
all jasper reports are working fine on windows XP professional
the strange problem i am facing is when i run the list reports on a UBUNTU Dapper Linux Machine
my application crashes completely

the errors log file is created of which contents are pasted below.
pls help is it a jasper reports problem or java problem or OS problem?
there is something abt font in the err message can somebody understand what exactly is the issue
[CODE]
---------------------------------------------------------------------------------------------------------
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# SIGSEGV (0xb) at pc=0xb0e9be51, pid=28226, tid=2965437360
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0_08-b03 mixed mode, sharing)
# Problematic frame:
# C [libfontmanager.so+0x2ae51]
#
 
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subject: Hot Spot JVM Crashes Urgent pls help