namenode 格式化错误 Unable to check if JNs are ready for formatting

bin/hadoop namenode -format 时候出现以下错误 org.apache.hadoop.hdfs.qjournal.client.QuorumException: Unable to check if JNs are ready for formatting. n

15/12/04 04:52:50 WARN namenode.NameNode: Encountered exception during format:

org.apache.hadoop.hdfs.qjournal.client.QuorumException: Unable to check if JNs are ready for formatting. 3 exceptions thrown:

10.165.114.138:8485: Call From hd1/10.172.153.46 to hd3:8485 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

10.172.218.18:8485: Call From hd1/10.172.153.46 to hd2:8485 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

10.172.153.46:8485: Call From hd1/10.172.153.46 to hd1:8485 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

at org.apache.hadoop.hdfs.qjournal.client.QuorumException.create(QuorumException.java:81)

at org.apache.hadoop.hdfs.qjournal.client.QuorumCall.rethrowException(QuorumCall.java:223)

at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.hasSomeData(QuorumJournalManager.java:232)

at org.apache.hadoop.hdfs.server.common.Storage.confirmFormat(Storage.java:884)

at org.apache.hadoop.hdfs.server.namenode.FSImage.confirmFormat(FSImage.java:171)

at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:937)

at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1379)

at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1504)

15/12/04 04:52:50 FATAL namenode.NameNode: Failed to start namenode.