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via Stack Overflow by Vishwanath560
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Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster
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Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster.
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Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster
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Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster.
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Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster
java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:3150) at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:135) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:127) at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:3164)Caused by: java.lang.IllegalArgumentException: Invalid path string "//localhost" caused by empty node name specified @1 at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:99) at org.apache.zookeeper.client.ConnectStringParser.<init>(ConnectStringParser.java:57) at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:443) at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:380) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.checkZk(RecoverableZooKeeper.java:141) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.createNonSequential(RecoverableZooKeeper.java:575) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.create(RecoverableZooKeeper.java:554) at org.apache.hadoop.hbase.zookeeper.ZKUtil.createWithParents(ZKUtil.java:1207) at org.apache.hadoop.hbase.zookeeper.ZKUtil.createWithParents(ZKUtil.java:1185) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.createBaseZNodes(ZooKeeperWatcher.java:193) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:177) at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:561) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:534) at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:3145) ... 5 more