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Accumulo >> mail # dev >> Intermittent error connecting to Accumulo Instance


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Intermittent error connecting to Accumulo Instance
I stood up a 4 node Accumulo Cloud.  I wrote a Java interface to it and when I attempt to connect to the table through my interface, I'm getting an intermittent error that only pops up maybe 1 out of every 5 runs of the code.  I have zookeeper running on all 4 nodes but in my accumulo config file, I only mentioned the one on the Accumulo name node.  I don't know if that would be a problem or not.  Also, the zookeeper stuff is all owned by root, while hadoop and Accumulo are owned by a different non-root user.  I built this cluster from the ground up (i.e. didn't use Cloudera, etc.), so it's possible that I missed something.

I'm running Accumulo 1.4.1 with hadoop 1.0.3 and zookeeper 3.3.6.

As you can see from the error below, it is saying that I have an INVALID_INSTANCEID.  However my instance (and credentials) are static final Strings and are not changing.  I haven't had any trouble connecting to the instance via the shell.  Also, the monitor webpage works just fine and shows no errors.

Here is the error below:

Exception in thread "main" org.apache.accumulo.core.client.AccumuloSecurityException: Error INVALID_INSTANCEID - Unknown security exception
                at org.apache.accumulo.core.client.impl.ServerClient.execute(ServerClient.java:73)
                at org.apache.accumulo.core.client.impl.ConnectorImpl.<init>(ConnectorImpl.java:75)
                at org.apache.accumulo.core.client.ZooKeeperInstance.getConnector(ZooKeeperInstance.java:218)
                at jhuapl.redd.coremax.shared.accumuloInterface.AccumuloConnector.deleteTable(AccumuloConnector.java:583)
                at jhuapl.redd.coremax.shared.accumuloInterface.TestAccumuloInterface.main(TestAccumuloInterface.java:27)
Caused by: ThriftSecurityException(user:root, code:INVALID_INSTANCEID)
                at org.apache.accumulo.core.client.impl.thrift.ClientService$authenticateUser_result.read(ClientService.java:7755)
                at org.apache.accumulo.core.client.impl.thrift.ClientService$Client.recv_authenticateUser(ClientService.java:415)
                at org.apache.accumulo.core.client.impl.thrift.ClientService$Client.authenticateUser(ClientService.java:387)
                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
                at java.lang.reflect.Method.invoke(Method.java:616)
                at org.apache.accumulo.cloudtrace.instrument.thrift.TraceWrap$2.invoke(TraceWrap.java:84)
                at $Proxy0.authenticateUser(Unknown Source)
                at org.apache.accumulo.core.client.impl.ConnectorImpl$1.execute(ConnectorImpl.java:78)
                at org.apache.accumulo.core.client.impl.ConnectorImpl$1.execute(ConnectorImpl.java:75)
                at org.apache.accumulo.core.client.impl.ServerClient.executeRaw(ServerClient.java:108)
                at org.apache.accumulo.core.client.impl.ServerClient.execute(ServerClient.java:71)
                ... 4 more

Any help would be greatly appreciated!
Thanks,
Duane

NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB