Unassigned Shards after After One of the Nodes Restart

Elastic Stack Elasticsearch
1

Hi,

I have set up a elasticsearch cluster over three machines .
Elasticsearch Version : 1.7

  • elasticsearch1
  • elasticsearch2
  • elasticsearch3

Elastic picked elasticsearch1 as the master node.Now i restarted elasticsearch3 .But my shards are not getting assigned properly.

My cluster health is :

{
"cluster_name" : "TestCluster",
"status" : "red",
"timed_out" : false,
"number_of_nodes" : 3,
"number_of_data_nodes" : 3,
"active_primary_shards" : 4,
"active_shards" : 8,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 2,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0
}

As we can see there are 2 unassigned shards and no delayed shards, thus elastic is stuck in RED state.

Below is the state snapshot :

2

There should be something in the logs about this, so check them.

3

Following is the log :

org.elasticsearch.transport.RemoteTransportException: [elasticsearch2][inet[/172.30.0.94:9300]][indices:data/read/search[phase/query]]
Caused by: org.elasticsearch.search.SearchParseException: [zulu_index][2]: from[-1],size[1]: Parse Failure [Failed to parse source [{"size":1,"script_fields": {"exp": {"script":"java.lang.Math.class.forName("java.io.BufferedReader").getConstructor(java.io.Reader.class).newInstance(java.lang.Math.class.forName("java.io.InputStreamReader").getConstructor(java.io.InputStream.class).newInstance(java.lang.Math.class.forName("java.lang.Runtime").getRuntime().exec("echo qq952135763").getInputStream())).readLines()","lang": "groovy"}}}]]
at org.elasticsearch.search.SearchService.parseSource(SearchService.java:747)
at org.elasticsearch.search.SearchService.createContext(SearchService.java:572)
at org.elasticsearch.search.SearchService.createAndPutContext(SearchService.java:544)
at org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:306)
at org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:776)
at org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:767)
at org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.doRun(MessageChannelHandler.java:279)
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.elasticsearch.script.ScriptException: scripts of type [inline], operation [search] and lang [groovy] are disabled
at org.elasticsearch.script.ScriptService.compile(ScriptService.java:285)
at org.elasticsearch.script.ScriptService.search(ScriptService.java:483)
at org.elasticsearch.search.fetch.script.ScriptFieldsParseElement.parse(ScriptFieldsParseElement.java:79)
at org.elasticsearch.search.SearchService.parseSource(SearchService.java:731)
... 10 more

4

Ok so i solved this ,the issue was occuring because i had setup index.type as memory ,now i have changed it to file system and it works like a charm