# NodeNotConnectedException

**URL:** <https://discuss.elastic.co/t/nodenotconnectedexception/2999>\
**Category:** Elasticsearch\
**Created:** [June 7, 2010, 4:21pm UTC](https://discuss.elastic.co/t/nodenotconnectedexception/2999 "2010-06-07T16:21:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Zaharije](https://avatars.discourse-cdn.com/v4/letter/z/ebca7d/32.png) [@Zaharije](https://discuss.elastic.co/u/Zaharije)\
**Post date:** [June 7, 2010, 4:21pm UTC](https://discuss.elastic.co/t/nodenotconnectedexception/2999/1 "2010-06-07T16:21:17Z")

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Hi

we are doing some indexing on ES. I'm not sure is this some strange behavior or not, but sometimes i found following wraning and stack trace on ES master :

[18:17:24,808][WARN][discovery.zen.publish] [Gilmore, Ritchie] Failed to send cluster state to [[Marvel Boy][557814db-6921-4a3e-9910-82593b4a5064][inet[/172.17.1.16:9306]]{client=true, data=false, zen.master=false}], should be detected as failed soon...  
org.elasticsearch.transport.SendRequestTransportException: [Marvel Boy][inet[/172.17.1.16:9306]][discovery/zen/publish]  
at org.elasticsearch.transport.RemoteTransportException.fillStack(RemoteTransportException.java:58)  
at org.elasticsearch.transport.SendRequestTransportException.fillInStackTrace(SendRequestTransportException.java:34)  
at java.lang.Throwable.(Throwable.java:218)  
at java.lang.Exception.(Exception.java:59)  
at java.lang.RuntimeException.(RuntimeException.java:61)  
at org.elasticsearch.ElasticSearchException.(ElasticSearchException.java:46)  
at org.elasticsearch.transport.TransportException.(TransportException.java:34)  
at org.elasticsearch.transport.RemoteTransportException.(RemoteTransportException.java:39)  
at org.elasticsearch.transport.SendRequestTransportException.(SendRequestTransportException.java:30)  
at org.elasticsearch.transport.TransportService$2.run(TransportService.java:197)  
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)  
at java.lang.Thread.run(Thread.java:619)

I'm writing java app which indexes data with java api (it is threaded app, where 20 threads are doing write on index and each thread has it's own client).

Best  
Zaharije

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 4:23am UTC](https://discuss.elastic.co/t/nodenotconnectedexception/2999/2 "2017-07-06T04:23:31Z")

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