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From o haya <>
Subject Need to change location of dataDir in zoo.cfg - but Accumulo doesn't start
Date Sat, 29 Jul 2017 23:36:03 GMT

It's been awhile since I've been working with Accumulo.  To recap I have a standalone system
with Hadoop, Zookeeper, and Accumulo 1.8.1 on it.

When I tried to start the Accumulo, it kept looping and indicating "waiting for initialization".

So I was doing some googling and found that the dataDir in the zoo.cfg was set to /tmp.

Luckily (I think) i have a snapshot of this system, so I restored from my last snapshot and
it seems to be running all right now, but I want to fix that dataDir parameter, so I created
a new directory, /apps/Zookeeper-data, and chmod'ed it to 777, but then, when I try to start
Accumulo it just kind of hangs.

I saw from another place that I should run the "accumulo init" so I did that, and now, when
I do, it seems like Accumulo is starting, but I cannot get to the Accumulo shell
(it starts part wa, then seems to hang, a few lines after I enter the password:

2017-07-29 19:32:49,167 [hdfs.BlockReaderLocal] DEBUG:
= false
2017-07-29 19:32:49,167 [hdfs.BlockReaderLocal] DEBUG: dfs.domain.socket.path =
2017-07-29 19:32:49,267 [retry.RetryUtils] DEBUG: multipleLinearRandomRetry = null
2017-07-29 19:32:49,306 [ipc.Server] DEBUG: rpcKind=RPC_PROTOCOL_BUFFER, rpcRequestWrapperClass=class
org.apache.hadoop.ipc.ProtobufRpcEngine$RpcRequestWrapper, rpcInvoker=org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker@15a13207
2017-07-29 19:32:49,319 [ipc.Client] DEBUG: getting client out of cache: org.apache.hadoop.ipc.Client@51de4e31
2017-07-29 19:32:49,767 [unix.DomainSocketWatcher] DEBUG:$2@16577601:
starting with interruptCheckPeriodMs = 60000
2017-07-29 19:32:49,772 [util.PerformanceAdvisory] DEBUG: Both short-circuit local reads and
UNIX domain socket are disabled.
2017-07-29 19:32:49,778 [sasl.DataTransferSaslUtil] DEBUG: DataTransferProtocol not using
SaslPropertiesResolver, no QOP found in configuration for
2017-07-29 19:32:49,824 [ipc.Client] DEBUG: The ping interval is 60000 ms.
2017-07-29 19:32:49,826 [ipc.Client] DEBUG: Connecting to localhost/
2017-07-29 19:32:49,850 [ipc.Client] DEBUG: IPC Client (958411794) connection to localhost/
from oracle: starting, having connections 1
2017-07-29 19:32:49,861 [ipc.Client] DEBUG: IPC Client (958411794) connection to localhost/
from oracle sending #0
2017-07-29 19:32:49,870 [ipc.Client] DEBUG: IPC Client (958411794) connection to localhost/
from oracle got value #0
2017-07-29 19:32:49,870 [ipc.ProtobufRpcEngine] DEBUG: Call: getListing took 61ms
Password: ******
2017-07-29 19:32:54,605 [zookeeper.ZooSession] DEBUG: Connecting to localhost:2181 with timeout
30000 with auth
2017-07-29 19:32:54,814 [tracer.ZooTraceClient] DEBUG: Successfully initialized tracer hosts
from ZooKeeper
2017-07-29 19:32:54,815 [trace.DistributedTrace] INFO : SpanReceiver org.apache.accumulo.tracer.ZooTraceClient
was loaded successfully.
2017-07-29 19:32:54,843 [impl.ServerClient] WARN : There are no tablet servers: check that
zookeeper and accumulo are running.
2017-07-29 19:32:59,851 [ipc.Client] DEBUG: IPC Client (958411794) connection to localhost/
from oracle: closed
2017-07-29 19:32:59,851 [ipc.Client] DEBUG: IPC Client (958411794) connection to localhost/
from oracle: stopped, remaining connections 0

I can go back to the snapshot that has the dataDir pointing to /tmp, but can someone tell
me the steps that I would need to get the system running  after I change dataDir?


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