# org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 34

**URL:** <https://discuss.elastic.co/t/org-logstash-beats-invalidframeprotocolexception-invalid-version-of-beats-protocol-34/253267>\
**Category:** Logstash\
**Created:** [October 26, 2020, 7:22am UTC](https://discuss.elastic.co/t/org-logstash-beats-invalidframeprotocolexception-invalid-version-of-beats-protocol-34/253267 "2020-10-26T07:22:49Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![tuawow](https://avatars.discourse-cdn.com/v4/letter/t/e95f7d/32.png) [@tuawow](https://discuss.elastic.co/u/tuawow)\
**Post date:** [October 26, 2020, 7:22am UTC](https://discuss.elastic.co/t/org-logstash-beats-invalidframeprotocolexception-invalid-version-of-beats-protocol-34/253267/1 "2020-10-26T07:22:50Z")

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][io.netty.channel.DefaultChannelPipeline][main][f73510d0a1046ae249c9c684ab7752f124dc9801416a7a8bc674b1874ca37218] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.  
io.netty.handler.codec.DecoderException: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 34  
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:471) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:404) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:371) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:354) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.channel.AbstractChannelHandlerContext.access$300(AbstractChannelHandlerContext.java:61) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.channel.AbstractChannelHandlerContext$4.run(AbstractChannelHandlerContext.java:253) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:66) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) [netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.49.Final.jar:4.1.49.Final]  
at java.lang.Thread.run(Thread.java:748) [?:1.8.0\_202]  
Caused by: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 34  
at org.logstash.beats.Protocol.version(Protocol.java:22) ~[logstash-input-beats-6.0.11.jar:?]  
at org.logstash.beats.BeatsParser.decode(BeatsParser.java:62) ~[logstash-input-beats-6.0.11.jar:?]  
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:501) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]  
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:440) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]

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<div class="post-metadata">

**Author:** ![tuawow](https://avatars.discourse-cdn.com/v4/letter/t/e95f7d/32.png) [@tuawow](https://discuss.elastic.co/u/tuawow)\
**Post date:** [October 26, 2020, 7:23am UTC](https://discuss.elastic.co/t/org-logstash-beats-invalidframeprotocolexception-invalid-version-of-beats-protocol-34/253267/2 "2020-10-26T07:23:43Z")

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Start error report

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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:** [November 23, 2020, 7:23am UTC](https://discuss.elastic.co/t/org-logstash-beats-invalidframeprotocolexception-invalid-version-of-beats-protocol-34/253267/3 "2020-11-23T07:23:50Z")

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