# Already used ports

**URL:** https://discuss.elastic.co/t/already-used-ports/148560
**Category:** Logstash
**Created:** [September 14, 2018, 6:50am UTC](https://discuss.elastic.co/t/already-used-ports/148560 "2018-09-14T06:50:31Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![shwesinhan](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shwesinhan/32/78663_2.png) [@shwesinhan](https://discuss.elastic.co/u/shwesinhan)
#### Post date: [September 14, 2018, 6:50am UTC](https://discuss.elastic.co/t/already-used-ports/148560/1 "2018-09-14T06:50:31Z")

</div>

hello

how to fix this err? Thanks in advance.

> [2018-09-14T13:45:21,892][ERROR][logstash.pipeline] A plugin had an unrecoverable error. Will restart this plugin.
> 
> Pipeline\_id:main
> 
> Plugin: \<LogStash::Inputs::Tcp port=\>1234, add\_field=\>{"project\_type"=\>"XXX"}, id=\>"a09dd5d6fc4f527b102240a2f9c123e03531de82cb07f642773336b94485bc9a", enable\_metric=\>true, codec=\>\<LogStash::Codecs::Line id=\>"line\_e4895d7e-b04d-47d7-ae95-b94facf7204c", enable\_metric=\>true, charset=\>"UTF-8", delimiter=\>"\n"\>, host=\>"0.0.0.0", mode=\>"server", proxy\_protocol=\>false, ssl\_enable=\>false, ssl\_verify=\>true, ssl\_key\_passphrase=\>\<password\>\>
> 
> Error: Address already in use: bind
> 
> Exception: Java::JavaNet::BindException
> 
> Stack: sun.nio.ch.Net.bind0(Native Method)
> 
> sun.nio.ch.Net.bind(sun/nio/ch/Net)
> 
> sun.nio.ch.Net.bind(sun/nio/ch/Net)
> 
> sun.nio.ch.ServerSocketChannelImpl.bind(sun/nio/ch/ServerSocketChannelImpl)
> 
> sun.nio.ch.ServerSocketAdaptor.bind(sun/nio/ch/ServerSocketAdaptor)
> 
> io.netty.channel.socket.nio.NioServerSocketChannel.doBind(io/netty/channel/socket/nio/NioServerSocketChannel.java:125)
> 
> io.netty.channel.AbstractChannel$AbstractUnsafe.bind(io/netty/channel/AbstractChannel.java:554)
> 
> io.netty.channel.DefaultChannelPipeline$HeadContext.bind(io/netty/channel/DefaultChannelPipeline.java:1258)
> 
> io.netty.channel.AbstractChannelHandlerContext.invokeBind(io/netty/channel/AbstractChannelHandlerContext.java:511)
> 
> io.netty.channel.AbstractChannelHandlerContext.bind(io/netty/channel/AbstractChannelHandlerContext.java:496)
> 
> io.netty.channel.DefaultChannelPipeline.bind(io/netty/channel/DefaultChannelPipeline.java:980)
> 
> io.netty.channel.AbstractChannel.bind(io/netty/channel/AbstractChannel.java:250)
> 
> io.netty.bootstrap.AbstractBootstrap$2.run(io/netty/bootstrap/AbstractBootstrap.java:363)
> 
> io.netty.util.concurrent.SingleThreadEventExecutor.safeExecute(io/netty/util/concurrent/SingleThreadEventExecutor.java:451)
> 
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(io/netty/util/concurrent/SingleThreadEventExecutor.java:418)
> 
> io.netty.channel.nio.NioEventLoop.run(io/netty/channel/nio/NioEventLoop.java:401)
> 
> io.netty.util.concurrent.SingleThreadEventExecutor$5.run(io/netty/util/concurrent/SingleThreadEventExecutor.java:877)
> 
> io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(io/netty/util/concurrent/DefaultThreadFactory.java:144)
> 
> java.lang.Thread.run(java/lang/Thread)

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<div class="post-metadata">

### Author: ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)
#### Post date: [September 14, 2018, 9:53am UTC](https://discuss.elastic.co/t/already-used-ports/148560/2 "2018-09-14T09:53:43Z")

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You can't have two plugins that both listen on port 1234.

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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: [October 12, 2018, 9:53am UTC](https://discuss.elastic.co/t/already-used-ports/148560/3 "2018-10-12T09:53:54Z")

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