Hi,
I get many (multiple times per minute) errors in my Namenode HDFS logfile:
2016-10-11 17:17:07,596 INFO ipc.Server (Server.java:logException(2401)) -
IPC Server handler 295 on 8020, call
org.apache.hadoop.hdfs.protocol.ClientProtocol.delete from datanode1:34872
Call#2361 Retry#0
org.apache.hadoop.fs.PathIsNotEmptyDirectoryException: `/flink/recovery is
non empty': Directory is not empty
at
org.apache.hadoop.hdfs.server.namenode.FSDirDeleteOp.delete(FSDirDeleteOp.java:89)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:3829)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:1071)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:619)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:640)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2313)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2309)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2307)
That is the directory I configured for Jobmanager HA. I deleted it before
starting the YARN session but that did not help. The folder gets created by
Flink without problems.
I'm using latest Flink Master (Commit: 6731ec1) and build it for Hadoop
2.7.3.
Any idea is highly appreciated. Thanks a lot!
