内存溢出:java.lang.OutOfMemoryError: Java heap space #7453 Open AriseIGitHub opened on Sep 27, 2022 ...

Java heap space - java.lang.OutOfMemoryError: OutOfMemoryError系列（1）: Java heap space Java applications are only allowed to use a limited amount of memory. This limit is specified during application ...

In that way it reflects the purpose of the old PermSize; flag. When MaxMetaspaceSize is set, the space can still run out of memory, which will cause a "java.lang.OutOfMemoryError: Metadata space".

If you are facing following exception while running your code:exception in thread "main" java.lang.outofmemoryerror: java heap spacedefault size of most of jvm java heap space is around 64mb, it can ...