I have also all my servers running with JDK 1.7 for months now without facing any JDK related issue. Even if it's not a real production cluster, it's running MR jobs and clients jobs 24/7.
2014/1/11 lars hofhansl <[email protected]> > Over the course of 0.94.16 I have upgraded junit to 4.11 for 0.94 (this > was done for 0.96 and later a while ago). > With that in place (and a few test fixes, mostly in tests that depended on > the relative ordering in which tests are run) > the testsuite passes on JDK7 as reliable as it does on JDK6. > > I currently have Jenkins builds for both JDK6 and JDK7 that are triggered > for each checkin, > I'll keep both running for a while; eventually I am planning to retire the > JDK6 Jenkins. > > At Salesforce we use HBase 0.94 exclusively with JDK7 and have not seen > any issue (at least noen related to JDK7). > > TL;DR: 0.94 should be safe to use with JDK7. > > -- Lars
