https://community.cloudera.com/t5/Support-Questions/java-net-BindException-Cannot-assign-requested-address/m-p/77376#M54720 <P>Hello,</P><P>&nbsp;</P><P>We are seeing the below error for some job failures,</P><P>&nbsp;</P><P>+++++++</P><P>INFO - java.net.BindException: Problem binding to [hostname/IP:0] java.net.BindException: Cannot assign requested address;&nbsp;</P><P>+++++++</P><P>&nbsp;</P><P>As per apache wiki,&nbsp;</P><P>&nbsp;</P><P>++++++++++</P><P class="line874">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. Hostname confusion and network setup are the likely causes.</P><P>++++++++++</P><P>&nbsp;</P><P><SPAN>workflow job scheduler hostname is mentioned in the error above and this happens during an HDFS command execution step. Any idea why it is happening?&nbsp;</SPAN></P> Tue, 24 Jul 2018 10:37:37 GMT Hrishi 2018-07-24T10:37:37Z