Open diegoquintanav opened 4 years ago
one solution, although not sure if final is to map the containers IP addresses in /etc/hosts of the docker host
# existing mappings above omitted
172.21.0.2 zoo
172.21.0.3 hbase-master
to know the IP address of the container
docker inspect <service> | grep "IPAddress"
this is far from optimal, though.
@diegoquintanav I also encountered the problem that HBase master could not resolve Shortly after I started the HBase distributed cluster, the master node exited and checked the log:
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2020-08-19 08:42:28,420 WARN [hbase-master:16000.activeMasterManager] hdfs.DFSClient: Failed to connect to /10.0.16.30:50010 for block, add to deadNodes and continue. java.net.ConnectException: Connection refused,
java.net.ConnectException: Connection refused,
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method),
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717),
at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206),
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529),
at org.apache.hadoop.hdfs.DFSClient.newConnectedPeer(DFSClient.java:2884),
at org.apache.hadoop.hdfs.BlockReaderFactory.nextTcpPeer(BlockReaderFactory.java:747),
at org.apache.hadoop.hdfs.BlockReaderFactory.getRemoteBlockReaderFromTcp(BlockReaderFactory.java:662),
at org.apache.hadoop.hdfs.BlockReaderFactory.build(BlockReaderFactory.java:326),
at org.apache.hadoop.hdfs.DFSInputStream.blockSeekTo(DFSInputStream.java:570),
at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:793),
at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:840),
at java.io.DataInputStream.read(DataInputStream.java:149),
at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:192),
at org.apache.hadoop.hbase.util.FSUtils.getVersion(FSUtils.java:574),
at org.apache.hadoop.hbase.util.FSUtils.checkVersion(FSUtils.java:657),
at org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:467),
at org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:153),
at org.apache.hadoop.hbase.master.MasterFileSystem.
The master node started successfully with the following error:
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2020-08-20 04:30:22,742 INFO [hbase- master:16000.activeMasterManager ] master.ServerManager : Waiting for region servers count to settle; currently checked in 0, slept for 2707183 ms, expecting minimum of 1, maximum of 2147483647, timeout of 4500 ms, interval of 1500 ms.
2020-08-20 04:30:24,246 INFO [hbase- master:16000.activeMasterManager ] master.ServerManager : Waiting for region servers count to settle; currently checked in 0, slept for 2708687 ms, expecting minimum of 1, maximum of 2147483647, timeout of 4500 ms, interval of 1500 ms.
2020-08-20 04:30:25,751 INFO [hbase- master:16000.activeMasterManager ] master.ServerManager : Waiting for region servers count to settle; currently checked in 0, slept for 2710192 ms, expecting minimum of 1, maximum of 2147483647, timeout of 4500 ms, interval of 1500 ms.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
HBase regionserver has the following error:
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2020-08-20 04:25:14,488 WARN [regionserver/hbase-regionserver-1/10.0.16.33:16020] regionserver.HRegionServer : Unable to connect to master. Retrying. Error was:
java.net.UnknownHostException : hbase-master
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Any region node can ping the hostname of other regions, but cannot Ping the host of master node
In my case, After I added hostnames of services to my local(docker host's) etc/hosts like below,
# existing mappings above omitted
127.0.0.1 hbase-master
127.0.0.1 zoo
127.0.0.1 hbase-region
My Java client worked.
How should I connect a client using the java API?. I'm using this at the moment
Returns
How should I fix this?
I'm using
hbase-client
2.2.5, but version 1.6.0 rises the same problem.