# Elasticsearch cluster failed since 2.1.1 - Transport error

**URL:** <https://discuss.elastic.co/t/elasticsearch-cluster-failed-since-2-1-1-transport-error/37506>\
**Category:** Elasticsearch\
**Created:** [December 17, 2015, 7:53pm UTC](https://discuss.elastic.co/t/elasticsearch-cluster-failed-since-2-1-1-transport-error/37506 "2015-12-17T19:53:48Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![davmrtl](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davmrtl/32/3477_2.png) [@davmrtl](https://discuss.elastic.co/u/davmrtl)\
**Post date:** [December 17, 2015, 7:53pm UTC](https://discuss.elastic.co/t/elasticsearch-cluster-failed-since-2-1-1-transport-error/37506/1 "2015-12-17T19:53:48Z")

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Hi,

I've juste upgrated my two nodes Elasticsearch cluster to 2.1.1 and since, the cluster stays yellow and no replica shard is able to get over the INIT state.

Am I the only one with this problem?

David

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<div class="post-metadata">

**Author:** ![davmrtl](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davmrtl/32/3477_2.png) [@davmrtl](https://discuss.elastic.co/u/davmrtl)\
**Post date:** [December 17, 2015, 8:13pm UTC](https://discuss.elastic.co/t/elasticsearch-cluster-failed-since-2-1-1-transport-error/37506/2 "2015-12-17T20:13:39Z")

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In the logs, it looks like there's a transport error:

```auto
[2015-12-17 15:11:08,818][WARN][transport.netty] [ELK-211] exception caught on transport layer [[id: 0x72c5714d, /192.168.239.212:37726 => /192.168.239.211:9300]], closing connection
java.lang.IllegalStateException: Message not fully read (request) for requestId [3335], action [internal:plugin/license/cluster/register_trial_license], readerIndex [75] vs expected [75]; resetting
        at org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:120)
        at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
        at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
        at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
        at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
        at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
        at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
        at org.elasticsearch.common.netty.OpenChannelsHandler.handleUpstream(OpenChannelsHandler.java:75)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
        at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
        at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
        at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
        at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
        at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
        at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
        at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
        at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
        at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

```

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<div class="post-metadata">

**Author:** ![davmrtl](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davmrtl/32/3477_2.png) [@davmrtl](https://discuss.elastic.co/u/davmrtl)\
**Post date:** [December 17, 2015, 8:43pm UTC](https://discuss.elastic.co/t/elasticsearch-cluster-failed-since-2-1-1-transport-error/37506/3 "2015-12-17T20:43:10Z")

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Just found the problem.

One of my nodes was missing the license plugin...

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<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 5, 2017, 11:30pm UTC](https://discuss.elastic.co/t/elasticsearch-cluster-failed-since-2-1-1-transport-error/37506/4 "2017-07-05T23:30:04Z")

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