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https://issues.apache.org/jira/browse/HBASE-15109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-15109:
---------------------------
    Fix Version/s: 1.4.0

> 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, 1.4.0
>
>         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}



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