Howdy,

>    Whats the reason behind java out of memory exception...How to solve

The JVM doesn't have enough memory to accomplish what it's trying to do.
This happens either because your program simply requires more memory
than the heap has, or because your program is flawed with regard to
releasing object references, thereby preventing garbage collection from
freeing up memory.

There is much literature on this subject, including in this list's
archives and on java.sun.com.  For starters, you can increase the heap
using -XmxNm where N is the maximum number of megabytes of RAM to
allocate to the heap.  This N is 64 by default.

>exception....What happens if i increase the Heap size...does it effect
java
>GC.

Increasing heap size affects GC, but not necessarily in a negative way.
You should research this issue a bit more and then post more
application-specific memory usage questions if you have them.

Yoav Shapira



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