java.net.BindException: Address already in use <null>:10983

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#tomcat

服务器上部署多个tomcat，新增tomcat8084启动报错。经分析是端口冲突问题，通过修改接口端口，使新增tomcat端口与其他不冲突，主要修改三处配置解决问题。

一个服务器上部署了多个tomcat，新增了一个tomcat8084，启动tomcat时，报如下的错误

java.net.BindException: Address already in use <null>:10983

详细的错误：

SEVERE: Failed to initialize connector [Connector[AJP/1.3-10983]]
org.apache.catalina.LifecycleException: Failed to initialize component [Connector[AJP/1.3-10983]]
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:106)
	at org.apache.catalina.core.StandardService.initInternal(StandardService.java:560)
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
	at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:838)
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
	at org.apache.catalina.startup.Catalina.load(Catalina.java:642)
	at org.apache.catalina.startup.Catalina.load(Catalina.java:667)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:253)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:427)
Caused by: org.apache.catalina.LifecycleException: Protocol handler initialization failed
	at org.apache.catalina.connector.Connector.initInternal(Connector.java:980)
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
	... 12 more
Caused by: java.net.BindException: Address already in use <null>:10983
	at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:413)
	at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:650)
	at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:435)
	at org.apache.catalina.connector.Connector.initInternal(Connector.java:978)
	... 13 more
Caused by: java.net.BindException: Address already in use
	at java.net.PlainSocketImpl.socketBind(Native Method)
	at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:376)
	at java.net.ServerSocket.bind(ServerSocket.java:376)
	at java.net.ServerSocket.<init>(ServerSocket.java:237)
	at java.net.ServerSocket.<init>(ServerSocket.java:181)
	at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:49)
	at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:400)
	... 16 more

server.xml中的全部配置如下：

<?xml version='1.0' encoding='utf-8'?>

<Server port="8984" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
  
  <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />

  <Listener className="org.apache.catalina.core.JasperListener" />
  
  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />


  <GlobalNamingResources>
   
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
              description="User database that can be updated and saved"
              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
              pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>

  
  <Service name="Catalina">

   
    <Connector port="8084" protocol="HTTP/1.1"
               connectionTimeout="100000"
               maxThreads="1000"
               minSpareThreads="25"
               maxSpareThreads="300"
               enableLookups="false"
               acceptCount="2000"
               maxPostSize="-1"
               compression="on"
               compressionMinSize="50"
               noCompressionUserAgents="gozilla, traviata"
               compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain"
               redirectPort="8443" />

    <Connector port="10984" protocol="AJP/1.3" redirectPort="8443" />


    <Engine name="Catalina" defaultHost="localhost">

    
      <Realm className="org.apache.catalina.realm.LockOutRealm">
       
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase"/>
      </Realm>

      <Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true">

      
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log." suffix=".txt"
               pattern="%h %l %u %t &quot;%r&quot; %s %b" />

      </Host>
    </Engine>
  </Service>
</Server>

问题修复，修改接口端口，让和其他tomcat的端口不冲突。

<Server port="8984" shutdown="SHUTDOWN">

 <Connector port="8084" protocol="HTTP/1.1"
               connectionTimeout="100000"
               maxThreads="1000"
               minSpareThreads="25"
               maxSpareThreads="300"
               enableLookups="false"
               acceptCount="2000"
               maxPostSize="-1"
               compression="on"
               compressionMinSize="50"
               noCompressionUserAgents="gozilla, traviata"
               compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain"
               redirectPort="8443" />

    <Connector port="10984" protocol="AJP/1.3" redirectPort="8443" />

主要修改这三处。