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Changes look good to me. As no existing unit tests test the functionality of shutdown hook code, we would need manual verification of the same. I will try testing the patch on local setup and update here. - Amareshwari Sriramadasu On Dec. 30, 2014, 2:17 a.m., Srikanth Sundarrajan wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/29416/ > ----------------------------------------------------------- > > (Updated Dec. 30, 2014, 2:17 a.m.) > > > Review request for lens. > > > Bugs: LENS-163 > https://issues.apache.org/jira/browse/LENS-163 > > > Repository: lens > > > Description > ------- > > LensServer imports the following dependencies > > import sun.misc.Signal; > import sun.misc.SignalHandler; > > and this is being used to register essentially shutdownhook. > > ... > Signal.handle(new Signal("TERM"), new SignalHandler() { > > @Override > public void handle(Signal signal) { > ... > > We should use Runtime::addShutdownHook() instead. > > > Diffs > ----- > > lens-server/pom.xml 55d5d58 > lens-server/src/main/java/org/apache/lens/server/LensServer.java 66abbcd > lens-server/src/main/java/org/apache/lens/server/LensServices.java fe2fc75 > lens-server/src/main/resources/lens-build-info.properties PRE-CREATION > pom.xml 2fb1005 > > Diff: https://reviews.apache.org/r/29416/diff/ > > > Testing > ------- > > No new tests added. Existing tests ran alright. > > [INFO] Reactor Summary: > [INFO] > [INFO] Lens Checkstyle Rules ............................. SUCCESS [0.937s] > [INFO] Lens .............................................. SUCCESS [3.139s] > [INFO] Lens API .......................................... SUCCESS [5.696s] > [INFO] Lens API for server and extensions ................ SUCCESS [3.089s] > [INFO] Lens Cube ......................................... SUCCESS [5:21.532s] > [INFO] Lens DB storage ................................... SUCCESS [28.502s] > [INFO] Lens Query Library ................................ SUCCESS [19.518s] > [INFO] Lens Hive Driver .................................. SUCCESS > [11:37.892s] > [INFO] Lens Driver for Cloudera Impala ................... SUCCESS [2.718s] > [INFO] Lens Driver for JDBC .............................. SUCCESS [36.736s] > [INFO] Lens Server ....................................... SUCCESS > [12:09.370s] > [INFO] Lens client ....................................... SUCCESS [54.261s] > [INFO] Lens CLI .......................................... SUCCESS [3:44.160s] > [INFO] Lens Examples ..................................... SUCCESS [0.534s] > [INFO] Lens Distribution ................................. SUCCESS [3.451s] > [INFO] Lens Client Distribution .......................... SUCCESS [2.473s] > [INFO] Lens ML Lib ....................................... SUCCESS [1:36.809s] > [INFO] > ------------------------------------------------------------------------ > [INFO] BUILD SUCCESS > [INFO] > ------------------------------------------------------------------------ > [INFO] Total time: 37:11.229s > [INFO] Finished at: Thu Dec 25 12:43:50 IST 2014 > [INFO] Final Memory: 135M/801M > [INFO] > ------------------------------------------------------------------------ > > > Thanks, > > Srikanth Sundarrajan > >
