out of memory error

Samara

i have a birt report running on tomcat, this report have about 100 columns,if the report returns too many rows (larger than 600 row) it will give me
java.lang.ClassCastException:java.lang.OutOfMemoryError .
if it return less than 600 rows the report runs fine.
i tried to increase tomcat heap size but it didn't solve the problem.

is there any idea about this problem plz

Virgil Dodson

Hi Samara,<br />
<br />
What version of BIRT are you using? This may be something already fixed according to these couple links below.<br />
<br />
<a class='bbc_url' href='https://bugs.eclipse.org/bugs/show_bug.cgi?id=156477'>https://bugs.eclipse.org/bugs/show_bug.cgi?id=156477</a><br />
<a class='bbc_url' href='https://bugs.eclipse.org/bugs/show_bug.cgi?id=255372'>https://bugs.eclipse.org/bugs/show_bug.cgi?id=255372</a><br />
<br />
You may also try checking the values of Tomcat's Catalina params like below. <br />
<br />
-Xms40m -Xmx512m -XX:MaxPermSize=256m