# io.netty.handler.codec.compression.DecompressionException: Input is not in the GZIP format

**URL:** <https://discuss.elastic.co/t/io-netty-handler-codec-compression-decompressionexception-input-is-not-in-the-gzip-format/165514>\
**Category:** Elasticsearch\
**Created:** [January 24, 2019, 2:20am UTC](https://discuss.elastic.co/t/io-netty-handler-codec-compression-decompressionexception-input-is-not-in-the-gzip-format/165514 "2019-01-24T02:20:37Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**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:** [January 24, 2019, 3:51am UTC](https://discuss.elastic.co/t/io-netty-handler-codec-compression-decompressionexception-input-is-not-in-the-gzip-format/165514/2 "2019-01-24T03:51:10Z")

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Please don't post the same question more than once, it makes it harder for people to help you 🙂

> [@Caught exception while handling client http traffic, closing connection \[id: 0xbcdf3dcf, L:/es-ip:9200 ! R:/logstash-ip:50878\]](https://discuss.elastic.co/t/caught-exception-while-handling-client-http-traffic-closing-connection-id-0xbcdf3dcf-l-es-ip-9200-r-logstash-ip-50878/165517):
>
> [2019-01-24T10:04:40,406][WARN][o.e.h.n.Netty4HttpServerTransport] [HC-Elasticsearch-node02\_N] caught exception while handling client http traffic, closing connection [id: 0xbcdf3dcf, L:/es-ip:9200 ! R:/logstash-ip:50878] io.netty.handler.codec.compression.DecompressionException: Input is not in the GZIP format at io.netty.handler.codec.compression.JdkZlibDecoder.readGZIPHeader(JdkZlibDecoder.java:244) ~[netty-codec-4.1.13.Final.jar:4.1.13.Final] at io.netty.handler.codec.compression.JdkZlib…

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_[View the full topic](https://discuss.elastic.co/t/io-netty-handler-codec-compression-decompressionexception-input-is-not-in-the-gzip-format/165514)._