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Bo Cui edited comment on FLINK-15911 at 3/22/21, 12:51 PM: ----------------------------------------------------------- !screenshot-1.png! !screenshot-2.png! i think it might be better on yarn...taskExecutorHostname must be resolved {quote}I'm not sure if the application should decide which network interface on the machine should be used. {quote} TM use the IP address assigned by the JM. was (Author: bo cui): !screenshot-1.png! !screenshot-2.png! i think it might be better on yarn...taskExecutorHostname must be resolved {quote}I'm not sure if the application should decide which network interface on the machine should be used. {quote} TM use the IP address assigned to the JM. > Flink does not work over NAT > ---------------------------- > > Key: FLINK-15911 > URL: https://issues.apache.org/jira/browse/FLINK-15911 > Project: Flink > Issue Type: Bug > Components: Runtime / Coordination > Affects Versions: 1.10.0 > Reporter: Till Rohrmann > Assignee: Xintong Song > Priority: Blocker > Labels: pull-request-available, usability > Fix For: 1.11.0 > > Attachments: screenshot-1.png, screenshot-2.png > > Time Spent: 20m > Remaining Estimate: 0h > > Currently, it is not possible to run Flink over network address translation. > The problem is that the Flink processes do not allow to specify separate bind > and external ports. Moreover, the {{TaskManager}} tries to resolve the given > {{taskmanager.host}} which might not be resolvable. This breaks NAT or docker > setups where the external address is not resolvable from within the > container/internal network. -- This message was sent by Atlassian Jira (v8.3.4#803005)