# Use Logstash Dissect for Java Stack Trace

**URL:** <https://discuss.elastic.co/t/use-logstash-dissect-for-java-stack-trace/153892>\
**Category:** Logstash\
**Created:** [October 25, 2018, 2:21am UTC](https://discuss.elastic.co/t/use-logstash-dissect-for-java-stack-trace/153892 "2018-10-25T02:21:54Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![topcan5](https://avatars.discourse-cdn.com/v4/letter/t/8e8cbc/32.png) [@topcan5](https://discuss.elastic.co/u/topcan5)\
**Post date:** [October 25, 2018, 2:21am UTC](https://discuss.elastic.co/t/use-logstash-dissect-for-java-stack-trace/153892/1 "2018-10-25T02:21:54Z")

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I am using logstash dissect plugin to parse my log. How can I use it to handle stacktrace? I am looking for something like %{stacktrace}. Can this be done by using dissect? Or I have to use Grok?

```auto
    18-10-24 14:46:45 myserver.company.com ERROR - Uncaught exception on main
        Exception in thread "main" java.lang.NullPointerException
                at com.example.myproject.Book.getTitle(Book.java:16)
                at com.example.myproject.Author.getBookTitles(Author.java:25)
                at com.example.myproject.Bootstrap.main(Bootstrap.java:14)

```

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<div class="post-metadata">

**Author:** ![balumurari1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/balumurari1/32/39203_2.png) [@balumurari1](https://discuss.elastic.co/u/balumurari1)\
**Post date:** [October 25, 2018, 12:24pm UTC](https://discuss.elastic.co/t/use-logstash-dissect-for-java-stack-trace/153892/2 "2018-10-25T12:24:23Z")

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Can you posy your input code so that it will be easy to provide solution.

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<div class="post-metadata">

**Author:** ![topcan5](https://avatars.discourse-cdn.com/v4/letter/t/8e8cbc/32.png) [@topcan5](https://discuss.elastic.co/u/topcan5)\
**Post date:** [October 25, 2018, 2:37pm UTC](https://discuss.elastic.co/t/use-logstash-dissect-for-java-stack-trace/153892/3 "2018-10-25T14:37:17Z")

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input? our company IF team manages the logstash pipeline. I can only provide the filter section of the logstash config, input and output are fixed, I can't see or have access to. I do use filebeat to push logs to logstash. Sorry, I am new to Logstash, let me know if I have misunderstood you.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [November 22, 2018, 2:37pm UTC](https://discuss.elastic.co/t/use-logstash-dissect-for-java-stack-trace/153892/4 "2018-11-22T14:37:17Z")

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