# It usually means the last handler in the pipeline did not handle the exception

**URL:** <https://discuss.elastic.co/t/it-usually-means-the-last-handler-in-the-pipeline-did-not-handle-the-exception/159073>\
**Category:** Logstash\
**Created:** [December 3, 2018, 1:38am UTC](https://discuss.elastic.co/t/it-usually-means-the-last-handler-in-the-pipeline-did-not-handle-the-exception/159073 "2018-12-03T01:38:02Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![aabababba](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aabababba/32/36732_2.png) [@aabababba](https://discuss.elastic.co/u/aabababba)\
**Post date:** [December 3, 2018, 1:38am UTC](https://discuss.elastic.co/t/it-usually-means-the-last-handler-in-the-pipeline-did-not-handle-the-exception/159073/1 "2018-12-03T01:38:02Z")

</div>

[WARN][io.netty.channel.DefaultChannelPipeline] 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: java.lang.IndexOutOfBoundsException: readerIndex(29) + length(543977319) exceeds writerIndex(29571): PooledUnsafeDirectByteBuf(ridx: 29, widx: 29571, cap: 32768)

so many this,how to fix?

---

<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:** [December 31, 2018, 1:38am UTC](https://discuss.elastic.co/t/it-usually-means-the-last-handler-in-the-pipeline-did-not-handle-the-exception/159073/2 "2018-12-31T01:38:06Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.