java.net.BindException: Address already in use

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Try changing the port in core-site.xml from 9000 to 9001 as it seems port 9000 doesn't work.

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Change the connection port and ip adress. If you're trying to connect to your server from your own computer, check if you haven't already connected to the server in another instance.

Solutions on the web

via Stack Overflow by Luna Paglarelli
, 1 year ago
via Stack Overflow by hitesh007
, 6 months ago
Cannot assign requested address: bind: Service 'sparkDriver' failed after 16 retries! Consider explicitly setting the appropriate port for the service 'sparkDriver' (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries.
via Stack Overflow by Dan
, 1 year ago
java.net.BindException: Address already in use
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:463)
at sun.nio.ch.Net.bind(Net.java:455)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:228)
at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:866)
at org.apache.tomcat.util.net.AbstractJsseEndpoint.init(AbstractJsseEndpoint.java:213)
at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:575)
at org.apache.catalina.connector.Connector.initInternal(Connector.java:944)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107)
at org.apache.catalina.core.StandardService.initInternal(StandardService.java:549)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107)
at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:873)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107)
at org.apache.catalina.startup.Catalina.load(Catalina.java:606)
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:311)

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