# Error when run logstash .conf file

**URL:** <https://discuss.elastic.co/t/error-when-run-logstash-conf-file/205199>\
**Category:** Logstash\
**Created:** [October 25, 2019, 8:02am UTC](https://discuss.elastic.co/t/error-when-run-logstash-conf-file/205199 "2019-10-25T08:02:54Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Vladpov](https://avatars.discourse-cdn.com/v4/letter/v/8c91f0/32.png) [@Vladpov](https://discuss.elastic.co/u/Vladpov)\
**Post date:** [October 25, 2019, 8:02am UTC](https://discuss.elastic.co/t/error-when-run-logstash-conf-file/205199/1 "2019-10-25T08:02:54Z")

</div>

Hi guys when I run config file with `sudo -u logstash /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/task.conf`

It gives me the following error

```
[INFO] 2019-10-25 07:59:53.283 [[main]<beats] Server - Starting server on port: 5044
[ERROR] 2019-10-25 07:59:59.597 [[main]<beats] javapipeline - A plugin had an unrecoverable error. Will restart this plugin.
  Pipeline_id:main
  Plugin: <LogStash::Inputs::Beats port=>5044, id=>"4c97f30d94fd114509a5fe7de8ad4277a3191fcf73026d33b2f9bdea3dfccc46", enable_metric=>true, codec=><LogStash::Codecs::Plain id=>"plain_8e53e562-45c8-4862-9949-8a2d2db5c018", enable_metric=>true, charset=>"UTF-8">, host=>"0.0.0.0", ssl=>false, add_hostname=>false, ssl_verify_mode=>"none", ssl_peer_metadata=>false, include_codec_tag=>true, ssl_handshake_timeout=>10000, tls_min_version=>1, tls_max_version=>1.2, cipher_suites=>["TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384", "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384", "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256", "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"], client_inactivity_timeout=>60, executor_threads=>4>
  Error: Address already in use
  Exception: Java::JavaNet::BindException
  Stack: sun.nio.ch.Net.bind0(Native Method)
sun.nio.ch.Net.bind(sun/nio/ch/Net.java:433)
sun.nio.ch.Net.bind(sun/nio/ch/Net.java:425)
sun.nio.ch.ServerSocketChannelImpl.bind(sun/nio/ch/ServerSocketChannelImpl.java:223)
io.netty.channel.socket.nio.NioServerSocketChannel.doBind(io/netty/channel/socket/nio/NioServerSocketChannel.java:130)
io.netty.channel.AbstractChannel$AbstractUnsafe.bind(io/netty/channel/AbstractChannel.java:558)
io.netty.channel.DefaultChannelPipeline$HeadContext.bind(io/netty/channel/DefaultChannelPipeline.java:1358)
io.netty.channel.AbstractChannelHandlerContext.invokeBind(io/netty/channel/AbstractChannelHandlerContext.java:501)
io.netty.channel.AbstractChannelHandlerContext.bind(io/netty/channel/AbstractChannelHandlerContext.java:486)
io.netty.channel.DefaultChannelPipeline.bind(io/netty/channel/DefaultChannelPipeline.java:1019)
io.netty.channel.AbstractChannel.bind(io/netty/channel/AbstractChannel.java:254)
io.netty.bootstrap.AbstractBootstrap$2.run(io/netty/bootstrap/AbstractBootstrap.java:366)
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(io/netty/util/concurrent/AbstractEventExecutor.java:163)
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(io/netty/util/concurrent/SingleThreadEventExecutor.java:404)
io.netty.channel.nio.NioEventLoop.run(io/netty/channel/nio/NioEventLoop.java:462)
io.netty.util.concurrent.SingleThreadEventExecutor$5.run(io/netty/util/concurrent/SingleThreadEventExecutor.java:897)
io.netty.util.concurrent.FastThreadLocalRunnable.run(io/netty/util/concurrent/FastThreadLocalRunnable.java:30)
java.lang.Thread.run(java/lang/Thread.java:748)
[INFO] 2019-10-25 08:00:00.607 [[main]<beats] Server - Starting server on port: 5044

```

What's wrong here? 😃

Thanks for any help !

---

<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [October 25, 2019, 12:31pm UTC](https://discuss.elastic.co/t/error-when-run-logstash-conf-file/205199/2 "2019-10-25T12:31:27Z")

</div>

> [@Vladpov](#):
>
> Error: Address already in use Exception: Java::JavaNet::BindException

Another program, possibly another instance of logstash, is already bound to port 5044. You cannot have two programs bound to the same port.

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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 22, 2019, 12:33pm UTC](https://discuss.elastic.co/t/error-when-run-logstash-conf-file/205199/3 "2019-11-22T12:33:56Z")

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