ZanderXu created HDFS-16853:
-------------------------------
Summary: The UT
TestLeaseRecovery2#testHardLeaseRecoveryAfterNameNodeRestart failed because
HADOOP-18324
Key: HDFS-16853
URL: https://issues.apache.org/jira/browse/HDFS-16853
Project: Hadoop HDFS
Issue Type: Bug
Reporter: ZanderXu
Assignee: ZanderXu
The UT TestLeaseRecovery2#testHardLeaseRecoveryAfterNameNodeRestart failed with
error message: Waiting for cluster to become active. And the blocking jstack as
bellows:
{code:java}
"BP-1618793397-192.168.3.4-1669198559828 heartbeating to
localhost/127.0.0.1:54673" #260 daemon prio=5 os_prio=31 tid=0x
00007fc1108fa000 nid=0x19303 waiting on condition [0x0000700017884000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000007430a9ec0> (a
java.util.concurrent.SynchronousQueue$TransferQueue)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.SynchronousQueue$TransferQueue.awaitFulfill(SynchronousQueue.java:762)
at
java.util.concurrent.SynchronousQueue$TransferQueue.transfer(SynchronousQueue.java:695)
at java.util.concurrent.SynchronousQueue.put(SynchronousQueue.java:877)
at
org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1186)
at org.apache.hadoop.ipc.Client.call(Client.java:1482)
at org.apache.hadoop.ipc.Client.call(Client.java:1429)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:258)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:139)
at com.sun.proxy.$Proxy23.sendHeartbeat(Unknown Source)
at
org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB.sendHeartbeat(DatanodeProtocolClient
SideTranslatorPB.java:168)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:570)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:714)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:915)
at java.lang.Thread.run(Thread.java:748) {code}
After looking into the code and found that this bug is imported by
HADOOP-18324. Because RpcRequestSender exited without cleaning up the
rpcRequestQueue, then caused BPServiceActor was blocked in sending request.
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