Hi! I have enabled hdfs plugin but after that name node is not starting, when i start namenode, i get following exception
2015-11-29 00:44:20,534 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode. java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:134) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:843) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:673) at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:584) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:644) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:811) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:795) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1488) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1554) Caused by: java.lang.reflect.InvocationTargetException 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:526) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:132) ... 8 more Caused by: java.lang.StackOverflowError at java.lang.Exception.<init>(Exception.java:102) at java.lang.ReflectiveOperationException.<init>(ReflectiveOperationException.java:89) at java.lang.reflect.InvocationTargetException.<init>(InvocationTargetException.java:72) at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at java.lang.Class.newInstance(Class.java:383) at org.apache.ranger.authorization.hadoop.RangerHdfsAuthorizer.init(RangerHdfsAuthorizer.java:65)