EOF Exception while performing a list command on hbase shell

[Rakhi Khatwani]

Hi,
    I tried to list all the tables on hbase and i get the following
exception:


hbase(main):001:0> list
NativeException: org.apache.hadoop.hbase.client.RetriesExhaustedException:
Trying to contact region server 10.254.74.127:60020 for region .META.,,1,
row '', but failed after 5 attempts.
Exceptions:
java.io.IOException: Call to /10.254.74.127:60020 failed on local exception:
java.io.EOFException
java.io.IOException: Call to /10.254.74.127:60020 failed on local exception:
java.io.EOFException
java.io.IOException: Call to /10.254.74.127:60020 failed on local exception:
java.io.EOFException
java.io.IOException: Call to /10.254.74.127:60020 failed on local exception:
java.io.EOFException
java.io.IOException: Call to /10.254.74.127:60020 failed on local exception:
java.io.EOFException

        from org/apache/hadoop/hbase/client/HConnectionManager.java:841:in
`getRegionServerWithRetries'
        from org/apache/hadoop/hbase/client/MetaScanner.java:56:in
`metaScan'
        from org/apache/hadoop/hbase/client/MetaScanner.java:30:in
`metaScan'
        from org/apache/hadoop/hbase/client/HConnectionManager.java:311:in
`listTables'
        from org/apache/hadoop/hbase/client/HBaseAdmin.java:122:in
`listTables'
        from sun/reflect/NativeMethodAccessorImpl.java:-2:in `invoke0'
        from sun/reflect/NativeMethodAccessorImpl.java:39:in `invoke'
        from sun/reflect/DelegatingMethodAccessorImpl.java:25:in `invoke'
        from java/lang/reflect/Method.java:597:in `invoke'
        from org/jruby/javasupport/JavaMethod.java:250:in
`invokeWithExceptionHandling'
        from org/jruby/javasupport/JavaMethod.java:219:in `invoke'
        from org/jruby/javasupport/JavaClass.java:416:in `execute'
        from
org/jruby/internal/runtime/methods/SimpleCallbackMethod.java:67:in `call'
        from org/jruby/internal/runtime/methods/DynamicMethod.java:70:in
`call'
        from org/jruby/runtime/CallSite.java:123:in `cacheAndCall'
        from org/jruby/runtime/CallSite.java:298:in `call'
... 130 levels...
        from
ruby.usr.local.hbase_minus_0_dot_19_dot_0.bin.hirbInvokermethod__32$RUBY$startOpt:-1:in
`call'
        from org/jruby/internal/runtime/methods/DynamicMethod.java:74:in
`call'
        from org/jruby/internal/runtime/methods/CompiledMethod.java:48:in
`call'
        from org/jruby/runtime/CallSite.java:123:in `cacheAndCall'
        from org/jruby/runtime/CallSite.java:298:in `call'
        from
ruby/usr/local/hbase_minus_0_dot_19_dot_0/bin//usr/local/hbase-0.19.0/bin/../bin/hirb.rb:429:in
`__file__'
        from
ruby/usr/local/hbase_minus_0_dot_19_dot_0/bin//usr/local/hbase-0.19.0/bin/../bin/hirb.rb:-1:in
`__file__'
        from
ruby/usr/local/hbase_minus_0_dot_19_dot_0/bin//usr/local/hbase-0.19.0/bin/../bin/hirb.rb:-1:in
`load'
        from org/jruby/Ruby.java:512:in `runScript'
        from org/jruby/Ruby.java:432:in `runNormally'
        from org/jruby/Ruby.java:312:in `runFromMain'
        from org/jruby/Main.java:144:in `run'
        from org/jruby/Main.java:89:in `run'
        from org/jruby/Main.java:80:in `main'
        from /usr/local/hbase-0.19.0/bin/../bin/hirb.rb:288:in `list'


what could be the reason??

Thanks
Raakhi.