Java application gets error java.net.SocketException: Protocol family unavailable

Solution Verified - Updated -

Issue

Java application (Tomcat, JBoss EAP, etc) does not start and this error is in logging this exception: java.net.SocketException: Protocol family unavailable.

Tomcat logs the following:

Dec 05 5:55:55 PM org.apache.catalina.core.StandardService initInternal
SEVERE: Failed to initialize connector [Connector[AJP/1.3-8009]]
org.apache.catalina.LifecycleException: Failed to initialize component [Connector[AJP/1.3-8009]]
        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:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        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.SocketException: Protocol family unavailable
        at java.net.PlainSocketImpl.socketBind(Native Method)
        at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
        at java.net.ServerSocket.bind(ServerSocket.java:375)
        at java.net.ServerSocket.<init>(ServerSocket.java:237)
        at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:55)
        at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:403)
        at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:650)
        at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:434)
        at org.apache.catalina.connector.Connector.initInternal(Connector.java:978)
        ... 13 more

Environment

  • Red Hat Enterprise Linux
  • Apache Tomcat
  • OpenJDK, Oracle Java

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