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The "BindException" page has been changed by SteveLoughran: https://wiki.apache.org/hadoop/BindException?action=diff&rev1=4&rev2=5 Comment: highlight that port 0 is a special port Possible Causes * The port is in use (likeliest) * If the port number is below 1024, the OS may be preventing your program from binding to a "trusted port" - * If the configuration is a {{{hostname:port}}} value, it may be that the hostname is wrong + * If the configuration is a {{{hostname:port}}} value, it may be that the hostname is wrong -or its IP address isn't one your machine has. + + If the port is "0", then the OS is looking for any free port -so the port-in-use and port-below-1024 problems are highly unlikely to be the cause of the problem. How to track down the problem 1. identify which port the program is trying to bind to
