I observed the same behavior in hbase QA run as well: https://builds.apache.org/job/PreCommit-HBASE-Build/15000/console
This was on ubuntu-2 <https://builds.apache.org/computer/ubuntu-2> Looks like certain machines may have environment issue. FYI On Wed, Aug 5, 2015 at 12:59 AM, Brahma Reddy Battula < brahmareddy.batt...@huawei.com> wrote: > Dear All > > had seen following error (OOM) in HDFS-1148 and Hadoop-12302..jenkin > machine have some problem..? > > > > [ > https://builds.apache.org/static/ea60962f/images/16x16/document_delete.png] > Error Details > > unable to create new native thread > > [ > https://builds.apache.org/static/ea60962f/images/16x16/document_delete.png] > Stack Trace > > java.lang.OutOfMemoryError: unable to create new native thread > at java.lang.Thread.start0(Native Method) > at java.lang.Thread.start(Thread.java:714) > > > > Thanks & Regards > > Brahma Reddy Battula > > > >