-XX:[+|-]HitachiOutOfMemorySize (Option to output the memory size)

uCosminexus Application Server, Definition Reference Guide

Format

-XX:+HitachiOutOfMemorySize: When OutOfMemoryError occurs, this option outputs the requested memory size in bytes.; When the -XX:+HitachiOutOfMemoryStackTrace option is specified, the -XX:+HitachiOutOfMemorySize option is also specified.

-XX:-HitachiOutOfMemorySize: When OutOfMemoryError occurs, this option does not output the requested memory size.

Description

Output the requested memory size when OutOfMemoryError occurs.

Default value

Examples of output

[OOM][Thread: 0x00062fd0]<Tue Dec 2 16:42:39 2003>[java.lang.OutOfMemoryError : requested 1024 bytes. (Java Heap) : 20 threads exist]

Precautions

In the following cases, the requested memory size is not fetched:

When OutOfMemoryError is clearly thrown without using the memory secure functionality of Java (errors thrown by J2SE class library are also included).
```
Example: throw new OutOfMemoryError();
```
When OutOfMemoryError is caused by verifier during class loading.

[OOM][Thread: 0x00062fd0]<Tue Dec 2 16:42:39 2003>[java.lang.OutOfMemoryError : requested size unknown. (Unknown) : 10 threads exist]