java lang OutOfMemoryError Java heap space
java.lang.OutOfMemoryError: Java heap space
If you are working on Java application and getting “java.lang.OutOfMemoryError: Java heap space” means there is no more space available on JVM heap and when try to more it throws exception. To fix this issue increase JVM heap space as shown below options:
Above default value are -Xms32m and -Xmx128m
Based on your operating system and its memory please try to increase accordingly. Also its better to check how much memory your application is consuming using Profiler.
For more information please visits oracle official tutorial here