Howdy,

>root cause
>
>java.lang.OutOfMemoryError
>
>
>It happens When the corresponding request returns more than 20000-30000
>rows from the database, not every time

Perhaps you should allocate your JVM more memory, by using the Java -Xmx
parameter.  Alternatively, consider a system design that retrieves a
smaller, fixed number of rows instead of "20000-30000" and lets the user
scroll, say 100 rows at a time.

Yoav Shapira



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