--- a/java.rst	Fri Dec 25 17:56:37 2015 +0200
+++ b/java.rst	Fri Dec 25 17:58:15 2015 +0200
@@ -197,6 +197,13 @@
 
   $ jmap -dump:format=b,file=heap.dump $PID
 
+Creating heap dump on OutOfMemory error.
+========================================
+
+Run Java application with::
+
+  -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/path/to/heap.dump
+
 Debug class loading.
 ====================