[ https://issues.apache.org/jira/browse/HBASE-15109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-15109: --------------------------- Hadoop Flags: Reviewed Fix Version/s: 2.0.0 > HM/RS failed to start when "fs.hdfs.impl.disable.cache" is set to true > ---------------------------------------------------------------------- > > Key: HBASE-15109 > URL: https://issues.apache.org/jira/browse/HBASE-15109 > Project: HBase > Issue Type: Bug > Components: regionserver > Affects Versions: 2.0.0 > Reporter: Pankaj Kumar > Assignee: Pankaj Kumar > Priority: Critical > Fix For: 2.0.0 > > Attachments: HBASE-15109-V2.patch, HBASE-15109-branch-1.patch, > HBASE-15109.patch, HBASE-15109.patch > > > HMaster failed to start during installing ShutdownHook when > "fs.hdfs.impl.disable.cache" is set to true. > {noformat} > 2016-10-10 10:33:28,367 FATAL [master/HOST-10-18-106-146/10.18.106.146:16000] > master.HMaster: Unhandled: Failed suppression of fs shutdown hook: > org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@19a003b4 > java.lang.RuntimeException: Failed suppression of fs shutdown hook: > org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@19a003b4 > at > org.apache.hadoop.hbase.regionserver.ShutdownHook.suppressHdfsShutdownHook(ShutdownHook.java:204) > at > org.apache.hadoop.hbase.regionserver.ShutdownHook.install(ShutdownHook.java:84) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:950) > at java.lang.Thread.run(Thread.java:745) > {noformat} > And RegionServer is in blocking state until a master is available, > {noformat} > "regionserver/HOST-10-18-106-146/10.18.106.146:16020" #17 prio=5 os_prio=0 > tid=0x0000000000e4e800 nid=0xdc38 in Object.wait() [0x00007f329dac6000] > java.lang.Thread.State: TIMED_WAITING (on object monitor) > at java.lang.Object.wait(Native Method) > at > org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.blockUntilAvailable(ZooKeeperNodeTracker.java:159) > - locked <0x00000000ae25c0c8> (a > org.apache.hadoop.hbase.zookeeper.MasterAddressTracker) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.blockAndCheckIfStopped(HRegionServer.java:870) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegionServer.java:809) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.preRegistrationInitialization(HRegionServer.java:783) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:943) > at java.lang.Thread.run(Thread.java:745) > {noformat} > During installation, first time it will try to suppress the HDFS shutdownhook > by removing the hdfsclientfinalizer from HDFS. Since > fs.hdfs.impl.disable.cache is enabled, so removal will be unsuccessful from > HDFS (FS is not cached) and RuntimeException will be thrown with "Failed > suppression of fs shutdown hook" message. > In ShutdownHook, > {code} > if (!fsShutdownHooks.containsKey(hdfsClientFinalizer) && > !ShutdownHookManager.deleteShutdownHook(hdfsClientFinalizer)) { > throw new RuntimeException("Failed suppression of fs shutdown hook: " + > hdfsClientFinalizer); > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)