insufficient memory for the Java Runtime Environment to continue though RAM is showing 6 GB free space

Question

While running java application I\'m getting the following memory dump.

After installing java 8(with java 7 application was working before) I started getting the below er

Answer 1

Your application, by default, does not use all the available system memory (or RAM). The limit depends on the xmx value you have set.

Not sure if 64 bit is an option for you, if it is, this lets you increase your xmx more than the 32 bit version.