# Logstash: A plugin had an unrecoverable error. Will restart this plugin

**URL:** https://discuss.elastic.co/t/logstash-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/225318
**Category:** Beats
**Tags:** filebeat
**Created:** [March 27, 2020, 1:40am UTC](https://discuss.elastic.co/t/logstash-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/225318 "2020-03-27T01:40:46Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![Ekta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ekta/32/55987_2.png) [@Ekta](https://discuss.elastic.co/u/Ekta)
#### Post date: [March 27, 2020, 1:40am UTC](https://discuss.elastic.co/t/logstash-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/225318/1 "2020-03-27T01:40:47Z")

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When I start my logstash config file it show like this

[2020-03-26T21:24:52,293][INFO][logstash.javapipeline][main] Starting pipeline {:pipeline\_id=\>"main", "pipeline.workers"=\>4, "pipeline.batch.size"=\>125, "pipeline.batch.delay"=\>50, "pipeline.max\_inflight"=\>500, "pipeline.sources"=\>["/etc/logstash/conf.d/logsample.conf"], :thread=\>"#\<Thread:0x9b6e1d run\>"}  
[2020-03-26T21:24:53,705][INFO][logstash.inputs.beats][main] Beats inputs: Starting input listener {:address=\>"0.0.0.0:5044"}  
[2020-03-26T21:24:53,723][INFO][logstash.javapipeline][main] Pipeline started {"pipeline.id"=\>"main"}  
[2020-03-26T21:24:53,828][INFO][logstash.agent] Pipelines running {:count=\>1, :running\_pipelines=\>[:main], :non\_running\_pipelines=\>}  
[2020-03-26T21:24:53,866][INFO][org.logstash.beats.Server][main] Starting server on port: 5044  
[2020-03-26T21:24:54,231][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9601}  
[2020-03-26T21:25:00,388][ERROR][logstash.javapipeline][main] A plugin had an unrecoverable error. Will restart this plugin.  
Pipeline\_id:main  
Plugin: \<LogStash::Inputs::Beats port=\>5044, id=\>"adae4b1c0546afc7546b2b6f4f87a509665cacafac15ab463143e33a9c62c9eb", enable\_metric=\>true, codec=\>\<LogStash::Codecs::Plain id=\>"plain\_5841d340-9c84-460c-a045-a6fbdedff159", 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:220)  
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)  
[2020-03-26T21:25:01,405][INFO][org.logstash.beats.Server][main] Starting server on port: 5044

can anyone help in this

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<div class="post-metadata">

### Author: ![MarianaD](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/marianad/32/42687_2.png) [@MarianaD](https://discuss.elastic.co/u/MarianaD)
#### Post date: [March 27, 2020, 11:16am UTC](https://discuss.elastic.co/t/logstash-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/225318/2 "2020-03-27T11:16:50Z")

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hi @Ekta, looking at `Error: Address already in use` , can you check if you have another instance of logstash already running?  
You can check with something like `ps axf | grep logstash`

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<div class="post-metadata">

### Author: ![Ekta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ekta/32/55987_2.png) [@Ekta](https://discuss.elastic.co/u/Ekta)
#### Post date: [March 27, 2020, 11:30am UTC](https://discuss.elastic.co/t/logstash-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/225318/3 "2020-03-27T11:30:17Z")

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Hi @MarianaD ,

I already checked It shows this output

root@servername:~# ps -aux | grep logstash  
logstash 23309 72.3 9.1 4665420 743576 ? SNsl 07:22 1:36 /usr/bin/java -Xms1g -Xmx1g -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.compile.invokedynamic=true -Djruby.jit.threshold=0 -Djruby.regexp.interruptible=true -XX:+HeapDumpOnOutOfMemoryError -Djava.security.egd=file:/dev/urandom -Dlog4j2.isThreadContextMapInheritable=true -cp /usr/share/logstash/logstash-core/lib/jars/animal-sniffer-annotations-1.14.jar:/usr/share/logstash/logstash-core/lib/jars/commons-codec-1.13.jar:/usr/share/logstash/logstash-core/lib/jars/commons-compiler-3.1.0.jar:/usr/share/logstash/logstash-core/lib/jars/error\_prone\_annotations-2.0.18.jar:/usr/share/logstash/logstash-core/lib/jars/google-java-format-1.1.jar:/usr/share/logstash/logstash-core/lib/jars/gradle-license-report-0.7.1.jar:/usr/share/logstash/logstash-core/lib/jars/guava-22.0.jar:/usr/share/logstash/logstash-core/lib/jars/j2objc-annotations-1.1.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-annotations-2.9.10.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-core-2.9.10.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-databind-2.9.10.1.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-dataformat-cbor-2.9.10.jar:/usr/share/logstash/logstash-core/lib/jars/janino-3.1.0.jar:/usr/share/logstash/logstash-core/lib/jars/javassist-3.26.0-GA.jar:/usr/share/logstash/logstash-core/lib/jars/jruby-complete-9.2.9.0.jar:/usr/share/logstash/logstash-core/lib/jars/jsr305-1.3.9.jar:/usr/share/logstash/logstash-core/lib/jars/log4j-api-2.12.1.jar:/usr/share/logstash/logstash-core/lib/jars/log4j-core-2.12.1.jar:/usr/share/logstash/logstash-core/lib/jars/log4j-slf4j-impl-2.12.1.jar:/usr/share/logstash/logstash-core/lib/jars/logstash-core.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.commands-3.6.0.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.contenttype-3.4.100.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.expressions-3.4.300.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.filesystem-1.3.100.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.jobs-3.5.100.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.resources-3.7.100.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.core.runtime-3.7.0.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.equinox.app-1.3.100.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.equinox.common-3.6.0.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.equinox.preferences-3.4.1.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.equinox.registry-3.5.101.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.jdt.core-3.10.0.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.osgi-3.7.1.jar:/usr/share/logstash/logstash-core/lib/jars/org.eclipse.text-3.5.101.jar:/usr/share/logstash/logstash-core/lib/jars/reflections-0.9.11.jar:/usr/share/logstash/logstash-core/lib/jars/slf4j-api-1.7.25.jar org.logstash.Logstash --path.settings /etc/logstash  
root 23483 0.0 0.0 13136 1104 pts/1 S+ 07:25 0:00 grep --color=auto logstash

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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: [April 24, 2020, 11:30am UTC](https://discuss.elastic.co/t/logstash-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/225318/4 "2020-04-24T11:30:27Z")

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