# Logstash error

**URL:** <https://discuss.elastic.co/t/logstash-error/26244>\
**Category:** Logstash\
**Created:** [July 24, 2015, 1:51pm UTC](https://discuss.elastic.co/t/logstash-error/26244 "2015-07-24T13:51:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![fabioebner](https://avatars.discourse-cdn.com/v4/letter/f/a3d4f5/32.png) [@fabioebner](https://discuss.elastic.co/u/fabioebner)\
**Post date:** [July 24, 2015, 1:51pm UTC](https://discuss.elastic.co/t/logstash-error/26244/1 "2015-07-24T13:51:25Z")

</div>

I'm trying o use with elastic and got this error:

```
    at org.elasticsearch.discovery.zen.ZenDiscovery$JoinThreadControl$1.run(ZenDiscovery.java:1384)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

```

Caused by: org.elasticsearch.transport.NodeNotConnectedException: [][inet[localhost/127.0.0.1:9300]] Node not connected  
at org.elasticsearch.transport.netty.NettyTransport.nodeChannel(NettyTransport.java:964)  
at org.elasticsearch.transport.netty.NettyTransport.sendRequest(NettyTransport.java:656)  
at org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:276)  
... 12 more

jul 24, 2015 10:50:04 AM org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing$4 handleException  
ADVERT╩NCIA: [logstash-LumeraEbner-8640-11622] failed to send ping to [[#zen\_unicast\_1#][LumeraEbner][inet[localhost/127.0.0.1:9300]]]  
org.elasticsearch.transport.SendRequestTransportException: [][inet[localhost/127.0.0.1:9300]][internal:discovery/zen/unicast\_gte\_1\_4]  
at org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:286)  
at org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing.sendPingRequestTo14NodeWithFallback(UnicastZenPing.java:431)  
at org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing.sendPings(UnicastZenPing.java:413)  
at org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing.ping(UnicastZenPing.java:219)  
at org.elasticsearch.discovery.zen.ping.ZenPingService.ping(ZenPingService.java:146)  
at org.elasticsearch.discovery.zen.ping.ZenPingService.pingAndWait(ZenPingService.java:124)  
at org.elasticsearch.discovery.zen.ZenDiscovery.findMaster(ZenDiscovery.java:1007)  
at org.elasticsearch.discovery.zen.ZenDiscovery.innerJoinCluster(ZenDiscovery.java:361)  
at org.elasticsearch.discovery.zen.ZenDiscovery.access$6100(ZenDiscovery.java:86)  
at org.elasticsearch.discovery.zen.ZenDiscovery$JoinThreadControl$1.run(ZenDiscovery.java:1384)  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)  
at java.lang.Thread.run(Thread.java:745)  
Caused by: org.elasticsearch.transport.NodeNotConnectedException: [][inet[localhost/127.0.0.1:9300]] Node not connected  
at org.elasticsearch.transport.netty.NettyTransport.nodeChannel(NettyTransport.java:964)  
at org.elasticsearch.transport.netty.NettyTransport.sendRequest(NettyTransport.java:656)  
at org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:276)  
... 12 more

Failed to install template: waited for [30s] {:level=\>:error}  
Logstash startup completed

---

<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [July 25, 2015, 12:31am UTC](https://discuss.elastic.co/t/logstash-error/26244/2 "2015-07-25T00:31:22Z")

</div>

Logstash cannot contact Elasticsearch, I'd make sure your ES instance is up.

---

<div class="post-metadata">

**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, 5:33am UTC](https://discuss.elastic.co/t/logstash-error/26244/3 "2017-07-06T05:33:50Z")

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