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Got ClassNotFoundException[org.elasticsearch.repositories.hdfs.HdfsRepositoryModule] error when using repository-hdfs plugin #290

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sbbird opened this issue Oct 2, 2014 · 3 comments
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Got ClassNotFoundException[org.elasticsearch.repositories.hdfs.HdfsRepositoryModule] error when using repository-hdfs plugin #290

sbbird opened this issue Oct 2, 2014 · 3 comments
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doc v2.0.2 v2.1.0.Beta2

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@sbbird
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sbbird commented Oct 2, 2014

I am not sure whether my usage is correct. I tried elasticsearch-repository-hdfs plugin by

curl -XPUT 'http://localhost:9200/_snapshot/hdfs_backup/' -d '{
    "type":"hdfs", 
    "settings": { 
           "uri":"hdfs://localhost:9000/", 
           "path":"elasticsearch/hdfs_backup"
      }
}'

Then I got the error

{"error":"RemoteTransportException[[Whiplash][inet[/10.187.17.209:9300]][cluster/repository/put]];
nested: RepositoryException[[hdfs_backup] failed to create repository]; 
nested: NoClassSettingsException[failed to load class with value [hdfs]; 
tried [hdfs, org.elasticsearch.repositories.HdfsRepositoryModule, org.elasticsearch.repositories.hdfs.HdfsRepositoryModule, org.elasticsearch.repositories.hdfs.HdfsRepositoryModule]];
nested: ClassNotFoundException[org.elasticsearch.repositories.hdfs.HdfsRepositoryModule]; ",
"status":500}

I installed elasticsearch-repository-hdfs-2.0.1-hadoop by

$ bin/plugin -i elasticsearch/elasticsearch-repository-hdfs/2.0.1-hadoop2                                                                                                                                                                                          [16:16:12]
-> Installing elasticsearch/elasticsearch-repository-hdfs/2.0.1-hadoop2...
Trying http://download.elasticsearch.org/elasticsearch/elasticsearch-repository-hdfs/elasticsearch-repository-hdfs-2.0.1-hadoop2.zip...
Downloading ..............DONE
Installed elasticsearch/elasticsearch-repository-hdfs/2.0.1-hadoop2 into /home/sbbird/tools/elasticsearch-1.3.2/plugins/repository-hdfs

The log of Elasticsearch:

$ bin/elasticsearch 
[2014-10-02 17:45:11,508][INFO ][node                     ] [Shadrac] version[1.3.4], pid[14371], build[a70f3cc/2014-09-30T09:07:17Z]
[2014-10-02 17:45:11,508][INFO ][node                     ] [Shadrac] initializing ...
[2014-10-02 17:45:11,531][INFO ][plugins                  ] [Shadrac] loaded [hdfs-snapshot], sites []
[2014-10-02 17:45:13,291][INFO ][node                     ] [Shadrac] initialized
[2014-10-02 17:45:13,291][INFO ][node                     ] [Shadrac] starting ...
[2014-10-02 17:45:13,342][INFO ][transport                ] [Shadrac] bound_address {inet[/0:0:0:0:0:0:0:0:9300]}, publish_address {inet[/10.187.17.82:9300]}
[2014-10-02 17:45:13,353][INFO ][discovery                ] [Shadrac] elasticsearch/qFnle45GSvqTjOa5qBs4sw
[2014-10-02 17:45:16,396][INFO ][cluster.service          ] [Shadrac] detected_master [Whiplash][5BCpdEhnQuuo2Rj2VEbkUQ][dave-OptiPlex-7010][inet[/10.187.17.209:9300]], added {[Whiplash][5BCpdEhnQuuo2Rj2VEbkUQ][dave-OptiPlex-7010][inet[/10.187.17.209:9300]],}, reason: zen-disco-receive(from master [[Whiplash][5BCpdEhnQuuo2Rj2VEbkUQ][dave-OptiPlex-7010][inet[/10.187.17.209:9300]]])
[2014-10-02 17:45:16,436][INFO ][http                     ] [Shadrac] bound_address {inet[/0:0:0:0:0:0:0:0:9200]}, publish_address {inet[/10.187.17.82:9200]}
[2014-10-02 17:45:16,437][INFO ][node                     ] [Shadrac] started

It seems that hdfs-snapshot has been loaded successfully.

And my elasticsearch version is 1.3.4

Maybe my usage was incorrect. I will appreciate any help or comment.

Thank you in advance.
@bhalsey
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bhalsey commented Oct 2, 2014

Did you restart your ES node? You also need to do this for each node.

@sbbird
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sbbird commented Oct 3, 2014

@bhalsey Thanks to your reply.
Solved, I didn't notice there is another node running.

@sbbird sbbird closed this as completed Oct 3, 2014
costin added a commit that referenced this issue Oct 3, 2014
@costin
Add instruction on node restart
77b587c 
Relates #290
costin added a commit that referenced this issue Oct 3, 2014
@costin
Add instruction on node restart
4b547ea 
Relates #290

(cherry picked from commit 77b587c)
@costin
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costin commented Oct 3, 2014

Glad to see this sorted out. I've added instructions on restarting the node in the README to make this more visible.

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