Showing posts from March, 2012

Resolving OutOfMemoryError: unable to create new native thread

(This was tested on Red Hat EL6 JDK 1.6.31 64-bit) If you've ever come across this error, it can be very misleading. Caused by: java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start( The common suggestion (as the error suggests) is a memory related problem. Some tips but ultimately unhelpful: The common theme amongst all of them is the stack size. Came across this post with same test code: However the tests were inconsistent, modified it to only go 50 calls deep. Modified code here . We discovered that changing the options made very little difference to the maximum number of threads. Originally we thought it