can you check the logs of live leader just after refreshing UI and see if
there is any exception?

On Mon, May 30, 2016 at 2:52 PM, devopts <[email protected]> wrote:

> Hi all,    Here,there are two nimbuses in the cluster(stormtest242.local
> and stormtest243.local).The nimbus[stormtest242.local] is a leader and the
> other one[stormtest243.local]  is a follower when the cluster startup.And
> the Storm HA is ok.    But, when the storm cluster runs for a long time ,
> the ui can't find the nimbus leader sometimes.That is the following
> exception on the UI:backtype.storm.utils.NimbusLeaderNotFoundException:
> Found nimbuses [NimbusSummary(host:stormtest242.local, port:6627,
> uptime_secs:283, isLeader:false, version:0.10.0)] none of which is elected
> as leader, please try again after some time.   at
> backtype.storm.utils.NimbusClient.getConfiguredClientAs(NimbusClient.java:85)
>       at backtype.storm.ui.core$nimbus_summary.invoke(core.clj:581)   at
> backtype.storm.ui.core$fn__10920.invoke(core.clj:1030)
> orNo nimbus leader participant host found, have you started your nimbus
> hosts?
> When i view the all nimbus.log in the cluster,i found the old nimbus
> leader[stormtest242.local]  was dead and the new nimbus
> leader[stormtest243.local] is running.But the UI always connect to dead
> leader[stormtest242.local]  rather than the live leader[stormtest243.local]
> ,even if i restart the ui process.
> So,what's wrong with the nimbus HA? and why the ui always connect to the
> dead leader?
>
>
>




-- 
Regards,
Abhishek Agarwal

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