java.lang.OutOfMemoryError: Java heap space

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add line to catalina.sh or catalina.bat:

export CATALINA_OPTS=”-Xms512M -Xmx1024M”

a) The -Xmx argument defines the max memory size that the heap can reach for the JVM. A low value can cause OutOfMemoryExceptions or a very poor performance if your program’s heap memory is reaching the maximum heap size.
b) The -Xms argument sets the initial heap memory size for the JVM. This means that when you start your program the JVM will allocate this amount of memory instantly.

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kalpesh.surana
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