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Problem in jasper reports

JothiKumar Ekanath
Ranch Hand

Joined: Dec 21, 2003
Posts: 30
Hi,
I am trying to generate reports using jasper reports and trying it to display in a jsp page.Suddenly my application crashes while generating reports.Am i doing anything wrong ?. Can somebody help me out this.
OS : Linux 8.0 Red Hat
Java : JDK1.4.2
Tomcat version :4.1.26

Error:
Unexpected Signal : 11 occurred at PC=0x402B0741
Function=(null)+0x402B0741
Library=/usr/java/j2sdk1.4.2/jre/lib/i386/client/libjvm.so
NOTE: We are unable to locate the function name symbol for the error
just occurred. Please refer to release documentation for possible
reason and solutions.

Current Java thread:
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.<init>(Throwable.java:180)
at java.lang.Exception.<init>(Exception.java:29)
at java.lang.RuntimeException.<init>(RuntimeException.java:32)
at java.lang.NullPointerException.<init>(NullPointerException.java:36)
at dori.jasper.engine.fill.JRCalculator.evaluate(JRCalculator.java:707)

****************
Another exception has been detected while we were handling last error.
Dumping information about last error:
ERROR REPORT FILE = (N/A)
PC = 0x402b0741
SIGNAL = 11
FUNCTION NAME = (N/A)
OFFSET = 0x402B0741
LIBRARY NAME = /usr/java/j2sdk1.4.2/jre/lib/i386/client/libjvm.so
Please check ERROR REPORT FILE for further information, if there is any.
Good bye.
I dont have the Error Report file also.But this is happening consistently.
Thanks in Advance
 
 
subject: Problem in jasper reports