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

**URL:** <https://discuss.elastic.co/t/logstash-error-info-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/295414>\
**Category:** Logstash\
**Created:** [January 26, 2022, 2:52am UTC](https://discuss.elastic.co/t/logstash-error-info-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/295414 "2022-01-26T02:52:40Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![seth\_qiang](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/seth_qiang/32/100877_2.png) [@seth\_qiang](https://discuss.elastic.co/u/seth_qiang)\
**Post date:** [January 26, 2022, 2:52am UTC](https://discuss.elastic.co/t/logstash-error-info-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/295414/1 "2022-01-26T02:52:40Z")

</div>

hi, everyone my logstash have some errors in my logstash. as follows

keywords

1. A plugin had an unrecoverable error. Will restart this plugin.
2. Pipeline\_id:main
3. Error: event executor terminated Exception: Java::JavaUtilConcurrent::RejectedExecutionException Stack: io.netty.util.concurrent.SingleThreadEventExecutor.reject(io/
4. Force-closing a channel whose registration task was not accepted by an event loop: [id: 0x3219ca97]

detailed:

```auto
[2022-01-26T10:31:43,944][ERROR][logstash.javapipeline][main][e0975cff217a8a40053000f2d7623e1fc192e00c690a38ae038d0568886f5ffd] A plugin had an unrecoverable error. Will restart this plugin.
  Pipeline_id:main
  Plugin: <LogStash::Inputs::Tcp mode=>"server", codec=><LogStash::Codecs::JSONLines id=>"json_lines_36d532de-d1ad-4266-91b5-9b4827b946a1", enable_metric=>true, charset=>"UTF-8", delimiter=>"\n">, id=>"e0975cff217a8a40053000f2d7623e1fc192e00c690a38ae038d0568886f5ffd", type=>"syslog_bkkk", port=>5046, enable_metric=>true, host=>"0.0.0.0", proxy_protocol=>false, ssl_enable=>false, ssl_verify=>true, ssl_key_passphrase=><password>, tcp_keep_alive=>false, dns_reverse_lookup_enabled=>true>
  Error: event executor terminated
  Exception: Java::JavaUtilConcurrent::RejectedExecutionException
  Stack: io.netty.util.concurrent.SingleThreadEventExecutor.reject(io/netty/util/concurrent/SingleThreadEventExecutor.java:926)
io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(io/netty/util/concurrent/SingleThreadEventExecutor.java:353)
io.netty.util.concurrent.SingleThreadEventExecutor.addTask(io/netty/util/concurrent/SingleThreadEventExecutor.java:346)
io.netty.util.concurrent.SingleThreadEventExecutor.execute(io/netty/util/concurrent/SingleThreadEventExecutor.java:828)
io.netty.util.concurrent.SingleThreadEventExecutor.execute(io/netty/util/concurrent/SingleThreadEventExecutor.java:818)
io.netty.channel.AbstractChannel$AbstractUnsafe.register(io/netty/channel/AbstractChannel.java:483)
io.netty.channel.SingleThreadEventLoop.register(io/netty/channel/SingleThreadEventLoop.java:87)
io.netty.channel.SingleThreadEventLoop.register(io/netty/channel/SingleThreadEventLoop.java:81)
io.netty.channel.MultithreadEventLoopGroup.register(io/netty/channel/MultithreadEventLoopGroup.java:86)
io.netty.bootstrap.AbstractBootstrap.initAndRegister(io/netty/bootstrap/AbstractBootstrap.java:323)
io.netty.bootstrap.AbstractBootstrap.doBind(io/netty/bootstrap/AbstractBootstrap.java:272)
io.netty.bootstrap.AbstractBootstrap.bind(io/netty/bootstrap/AbstractBootstrap.java:268)
io.netty.bootstrap.AbstractBootstrap.bind(io/netty/bootstrap/AbstractBootstrap.java:253)
org.logstash.tcp.InputLoop.run(org/logstash/tcp/InputLoop.java:86)
jdk.internal.reflect.GeneratedMethodAccessor56.invoke(jdk/internal/reflect/GeneratedMethodAccessor56)
jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(jdk/internal/reflect/DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:566)
org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(org/jruby/javasupport/JavaMethod.java:441)
org.jruby.javasupport.JavaMethod.invokeDirect(org/jruby/javasupport/JavaMethod.java:305)
usr.share.logstash.vendor.bundle.jruby.$2_dot_5_dot_0.gems.logstash_minus_input_minus_tcp_minus_6_dot_2_dot_6_minus_java.lib.logstash.inputs.tcp.run(/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-tcp-6.2.6-java/lib/logstash/inputs/tcp.rb:160)
usr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.inputworker(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:409)
usr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.start_input(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:400)
org.jruby.RubyProc.call(org/jruby/RubyProc.java:318)
java.lang.Thread.run(java/lang/Thread.java:829)
[2022-01-26T10:31:43,944][ERROR][logstash.javapipeline][main][11aca8d7afad895c5a767e35709701ecea93feb20e7e8b0ebeed5c67514a49fe] A plugin had an unrecoverable error. Will restart this plugin.
  Pipeline_id:main
  Plugin: <LogStash::Inputs::Tcp mode=>"server", codec=><LogStash::Codecs::JSONLines id=>"json_lines_53bee2f0-7cab-4e87-a08e-57be3802df36", enable_metric=>true, charset=>"UTF-8", delimiter=>"\n">, id=>"11aca8d7afad895c5a767e35709701ecea93feb20e7e8b0ebeed5c67514a49fe", type=>"syslog_akkk", port=>5045, enable_metric=>true, host=>"0.0.0.0", proxy_protocol=>false, ssl_enable=>false, ssl_verify=>true, ssl_key_passphrase=><password>, tcp_keep_alive=>false, dns_reverse_lookup_enabled=>true>
  Error: event executor terminated
  Exception: Java::JavaUtilConcurrent::RejectedExecutionException
  Stack: io.netty.util.concurrent.SingleThreadEventExecutor.reject(io/netty/util/concurrent/SingleThreadEventExecutor.java:926)
io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(io/netty/util/concurrent/SingleThreadEventExecutor.java:353)
io.netty.util.concurrent.SingleThreadEventExecutor.addTask(io/netty/util/concurrent/SingleThreadEventExecutor.java:346)
io.netty.util.concurrent.SingleThreadEventExecutor.execute(io/netty/util/concurrent/SingleThreadEventExecutor.java:828)
io.netty.util.concurrent.SingleThreadEventExecutor.execute(io/netty/util/concurrent/SingleThreadEventExecutor.java:818)
io.netty.channel.AbstractChannel$AbstractUnsafe.register(io/netty/channel/AbstractChannel.java:483)
io.netty.channel.SingleThreadEventLoop.register(io/netty/channel/SingleThreadEventLoop.java:87)
io.netty.channel.SingleThreadEventLoop.register(io/netty/channel/SingleThreadEventLoop.java:81)
io.netty.channel.MultithreadEventLoopGroup.register(io/netty/channel/MultithreadEventLoopGroup.java:86)
io.netty.bootstrap.AbstractBootstrap.initAndRegister(io/netty/bootstrap/AbstractBootstrap.java:323)
io.netty.bootstrap.AbstractBootstrap.doBind(io/netty/bootstrap/AbstractBootstrap.java:272)
io.netty.bootstrap.AbstractBootstrap.bind(io/netty/bootstrap/AbstractBootstrap.java:268)
io.netty.bootstrap.AbstractBootstrap.bind(io/netty/bootstrap/AbstractBootstrap.java:253)
org.logstash.tcp.InputLoop.run(org/logstash/tcp/InputLoop.java:86)
jdk.internal.reflect.GeneratedMethodAccessor56.invoke(jdk/internal/reflect/GeneratedMethodAccessor56)
jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(jdk/internal/reflect/DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:566)
org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(org/jruby/javasupport/JavaMethod.java:441)
org.jruby.javasupport.JavaMethod.invokeDirect(org/jruby/javasupport/JavaMethod.java:305)
usr.share.logstash.vendor.bundle.jruby.$2_dot_5_dot_0.gems.logstash_minus_input_minus_tcp_minus_6_dot_2_dot_6_minus_java.lib.logstash.inputs.tcp.run(/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-tcp-6.2.6-java/lib/logstash/inputs/tcp.rb:160)
usr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.inputworker(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:409)
usr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.start_input(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:400)
org.jruby.RubyProc.call(org/jruby/RubyProc.java:318)
java.lang.Thread.run(java/lang/Thread.java:829)

```

---

<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:** [February 23, 2022, 2:52am UTC](https://discuss.elastic.co/t/logstash-error-info-a-plugin-had-an-unrecoverable-error-will-restart-this-plugin/295414/2 "2022-02-23T02:52:52Z")

</div>

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