This week's book giveaway is in the Programmer Certification forum. We're giving away four copies of OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
Iam using Apache POI.jar to generate excel sheet,sheet is successfully creating but after some time in the application server [Websphere] lot of java.lang.OutOfMemoryError's are occuring after that JVM is crashing.
Current heap size of JVM is 756. With out increasing the heap size how to resolve the java.lang.OutOfMemoryError
The following are some classes which i got in JavaCoredump during the OutOfMemoryError time