Andrew Kyle Purtell created HBASE-24322: -------------------------------------------
Summary: UnsafeAvailChecker should also check that required methods are available Key: HBASE-24322 URL: https://issues.apache.org/jira/browse/HBASE-24322 Project: HBase Issue Type: Bug Reporter: Andrew Kyle Purtell We had a weird test failure due to accidentally running tests with Java 11, where Unsafe is available, but the method signatures were different, leading to this: {noformat} 020-05-02 14:57:15,145 ERROR [main] master.HMasterCommandLine: Master exiting java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:143) at org.apache.hadoop.hbase.LocalHBaseCluster.addMaster(LocalHBaseCluster.java:237) at org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:163) at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:225) at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:138) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:127) at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2911) Caused by: java.lang.NoSuchMethodError: 'void sun.misc.Unsafe.putInt(java.lang.Object, int, int)' at org.apache.hadoop.hbase.util.UnsafeAccess.putInt(UnsafeAccess.java:233) at org.apache.hadoop.hbase.util.Bytes$ConverterHolder$UnsafeConverter.putInt(Bytes.java:1499) at org.apache.hadoop.hbase.util.Bytes.putInt(Bytes.java:1021) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.appendMetaData(RecoverableZooKeeper.java:850) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.create(RecoverableZooKeeper.java:640) at org.apache.hadoop.hbase.zookeeper.ZKUtil.createEphemeralNodeAndWatch(ZKUtil.java:1027) at org.apache.hadoop.hbase.zookeeper.MasterAddressTracker.setMasterAddress(MasterAddressTracker.java:211) at org.apache.hadoop.hbase.master.HMaster.startActiveMasterManager(HMaster.java:2095) at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:520) at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.<init>(HMasterCommandLine.java:315) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490) at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:138) ... 7 more {noformat} We should also check that all methods that will be invoked on Unsafe in UnsafeAccess.java are available when deciding in UnsafeAvailChecker if Unsafe is available (and usable). -- This message was sent by Atlassian Jira (v8.3.4#803005)