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Editorial Team
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Asked: 2026-06-12T10:38:33+00:00

I’m getting this error after running my application. There were no errors during compilation.

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I’m getting this error after running my application. There were no errors during compilation.
Also, thr’s no other application running.

Starting Jetty on port 8888 [WARN] failed
SelectChannelConnector@127.0.0.1:8888 java.net.BindException: Address
already in use: bind at sun.nio.ch.Net.bind(Native Method) at
sun.nio.ch.ServerSocketChannelImpl.bind(Unknown Source) at
sun.nio.ch.ServerSocketAdaptor.bind(Unknown Source) at
org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:205)
and many more………..

Port 127.0.0.1:8888 is already is use; you probably still have another session active

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1 Answer

  1. Editorial Team

    The problem is that there is already a server running at that port address.
    If you start your gwt application from eclipse keep sure that you kill the open processes.
    For that change to DEBUG mode, select the top of the process stack and stop/kill the application processes.

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