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https://issues.apache.org/jira/browse/NIFI-4520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Ting updated NIFI-4520:
----------------------------
Environment:
Hosts: CentOS6.7_x86_64
NiFi: 1.1.2
was:Hosts: CentOS6.7_x86_64
> cluster node can't sync data flow with cluster
> -----------------------------------------------
>
> Key: NIFI-4520
> URL: https://issues.apache.org/jira/browse/NIFI-4520
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Environment: Hosts: CentOS6.7_x86_64
> NiFi: 1.1.2
> Reporter: Alex Ting
> Attachments: Prod_ERROR_LOG_2017_10_16.log
>
>
> Since the beginning of 2017, we have setup 4 NiFi 1.1.2 cluster, one of them
> is our BTS environment, one is our Prod environment, totally we have met the
> problem more than 20 times, so we organize a team for researching after same
> issue occurred on Prod.
> After debugging and analysis, we found the cause is that every time cluster
> node connect to cluster, cluster will get cluster data flow then compare with
> local data flow, if it's different, cluster node can't connect to cluster. So
> we start to research why the data flow is different next, and we found a case
> which will cause this problem.
> We open two browser tab, we called them A and B; tab A connect to node-1, at
> first, we disconnect node-1 in tab B, next, we will add a processor on tab
> A, finally we refresh tab A we will find node-1 can't connect to cluster due
> to difference between local data flow and cluster data flow.
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