Change Thread.join on exit to a timed Thread.join
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Key: HBASE-1072
URL: https://issues.apache.org/jira/browse/HBASE-1072
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
Fix For: 0.19.0
Here is a hungup regionserver stuck on the running of the dfs shutdown thread:
{code}
"Thread-11" prio=10 tid=0x00007fcd00a9b400 nid=0x751d waiting on condition
[0x0000000042458000..0x0000000042458d00]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.apache.hadoop.ipc.Client.stop(Client.java:667)
at org.apache.hadoop.ipc.RPC$ClientCache.stopClient(RPC.java:189)
at org.apache.hadoop.ipc.RPC$ClientCache.access$400(RPC.java:138)
at org.apache.hadoop.ipc.RPC$Invoker.close(RPC.java:229)
- locked <0x00007fcd06c6b470> (a org.apache.hadoop.ipc.RPC$Invoker)
at org.apache.hadoop.ipc.RPC$Invoker.access$500(RPC.java:196)
at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:353)
at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:213)
- locked <0x00007fcd06c6b3a0> (a org.apache.hadoop.hdfs.DFSClient)
at
org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:243)
at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1413)
- locked <0x00007fcd06ab9b68> (a org.apache.hadoop.fs.FileSystem$Cache)
at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:236)
at
org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:221)
- locked <0x00007fcd06aaeee0> (a
org.apache.hadoop.fs.FileSystem$ClientFinalizer)
{code}
Above is just doing this:
{code}
// wait until all connections are closed
while (!connections.isEmpty()) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
}
{code}
Might never go down or wont' go down promptly.
Should interrupt threads if join timesout and just continue with exit.
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