FULL PRODUCT VERSION :
java version "1.6.0_18"
Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode)

FULL OS VERSION :
Linux zlpv8708 2.6.32-431.23.3.el6.x86_64 #1 SMP Wed Jul 16 06:12:23 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux

A DESCRIPTION OF THE PROBLEM :
The compile task from the hs_err_pidxxx.log has a line indicating an apache class "or.apache.poi.ss.util.SheetUtil.getCellWidth", which suggests that the excel file generation logic is connected to the crash.

There are two web applications running within the application server (weblogic) that use spreadsheet generation logic.

THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Did not try

THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Did not try

REGRESSION. Last worked in version 6u43

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Crash report does not indicate which of 2 applications is triggering the event, cannot reproduce in a controlled environment.

ERROR MESSAGES/STACK TRACES THAT OCCUR :

Current CompileTask:
C2:3496 ! org.apache.poi.ss.util.SheetUtil.getCellWidth(Lorg/apache/poi/ss/usermodel/Cell;ILorg/apache/poi/ss/usermodel/DataFormatter;Z)D (702 bytes)


REPRODUCIBILITY :
This bug can be reproduced often.