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https://issues.apache.org/jira/browse/NIFI-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15122437#comment-15122437
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Aldrin Piri commented on NIFI-259:
----------------------------------

In the log of the nodes, I don't see any errors that are mapping to this, but 
there is the following line that references the associated port:

{code}
2016-01-28 16:22:39,560 INFO [NiFi Web Server-83] 
org.apache.zookeeper.ZooKeeper Initiating client connection, 
connectString="localhost:1181,localhost:2181,localhost:3181" 
sessionTimeout=30000 
watcher=org.apache.nifi.controller.state.providers.zookeeper.ZooKeeperStateProvider$1@77ad6838
{code}

> Framework should offer Processors/extensions a way to manage simple state
> -------------------------------------------------------------------------
>
>                 Key: NIFI-259
>                 URL: https://issues.apache.org/jira/browse/NIFI-259
>             Project: Apache NiFi
>          Issue Type: Sub-task
>          Components: Core Framework
>            Reporter: Joseph Witt
>            Assignee: Mark Payne
>             Fix For: 0.5.0
>
>         Attachments: error-message.png
>
>
> It is not uncommon for processors to need managed state which  persists 
> across restarts.  One good example of this is the GetHTTP processor which 
> needs to save state of the last cache/e-tag information it received from the 
> server it interacts with so that it can avoid constantly pulling an unchanged 
> resource.
> Rather than making processors roll their own persistant state management 
> perhaps we can offer something to them via the ProcessContext which will 
> allow them to save simple primitive values and limited length Strings which 
> are local to that node and which are local to that processor only.



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