org.apache.kafka.connect.errors.ConnectException

*Unable to start REST server*

Samebug tips3

It might be that there's another process connecting to the same port you're trying to use, try to kill it or change the connection port.

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.

Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.

Solutions on the web59

  • via Google Groups by Conal Nicholls, 2 months ago
    Unable to start REST server
  • via Google Groups by Bart Van Bos, 9 months ago
    *Unable to start REST server*
  • via Google Groups by Unknown author, 10 months ago
    Unable to start REST server
  • Stack trace

    • org.apache.kafka.connect.errors.ConnectException: *Unable to start REST server* at org.apache.kafka.connect.runtime.rest.RestServer.start(RestServer.java:147) at org.apache.kafka.connect.runtime.Connect.start(Connect.java:56) at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:82) Caused by: java.net.BindException: *Address already in use* at sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:433) at sun.nio.ch.Net.bind(Net.java:425) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:321) at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80) at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:236) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.server.Server.doStart(Server.java:366) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.apache.kafka.connect.runtime.rest.RestServer.start(RestServer.java:145) ... 2 more

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    3 times, 7 months ago
    Once, 3 months ago
    36 times, 3 months ago
    2 times, 5 months ago
    Unknown user
    Once, 10 months ago
    142 more bugmates