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https://issues.apache.org/jira/browse/WAVE-305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13227551#comment-13227551
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Vicente J. Ruiz Jurado commented on WAVE-305:
---------------------------------------------

We create waves via an agent, and also we get a "No conversation" error from 
time to time (solved only we a restart).

Can be the source of the problem some not synchronized object, or some 
duplicate objects accessing the delta files?
                
> Cannot open a new wave just after creation - No conversations in this wave.
> ---------------------------------------------------------------------------
>
>                 Key: WAVE-305
>                 URL: https://issues.apache.org/jira/browse/WAVE-305
>             Project: Wave
>          Issue Type: Bug
>          Components: Web Client
>            Reporter: Yuri Zelikov
>            Assignee: Yuri Zelikov
>            Priority: Critical
>
> Steps to reproduce:
> Cannot be reproduced reliably. Doesn't happen in my local dev environment. 
> Happens in waveinabox.net, usually when the server is under load.
> 1. Create a new wave. Enter some text.
> 2. Click on the wave digest in order to reload the wave.
> Expected: The wave is reloaded and displayed with all content.
> Actual: Empty panel displayed with message:  "No conversations in this wave"
> This is the log that i think is related to the issue:
> 2011-11-25 09:48:28.775:DBUG:oejs.AsyncHttpConnection:async request (null 
> null)@2782586 org.eclipse.jetty.server.Request@2a757a
> Nov 25, 2011 9:48:28 AM 
> org.waveprotocol.box.server.frontend.WaveViewSubscription submitRequest
> INFO: Submit oustandinding on channel ch9
> Nov 25, 2011 9:48:28 AM org.waveprotocol.box.server.waveserver.WaveServerImpl 
> submitDelta
> INFO: Submit to [WaveletName 
> waveinabox.net/w+lAjXzMOY0eA/waveinabox.net/[email protected]]
>  by [email protected] @ 0 with 1 ops
> Nov 25, 2011 9:48:28 AM 
> org.waveprotocol.box.server.waveserver.LocalWaveletContainerImpl 
> transformAndApplyLocalDelta
> INFO: Duplicate delta TransformedWaveletDelta([email protected], 
> 1:jDFIgvDgRupnm6BkVyXhy88rza8=, 1322214480147 -> 1 ops: [add participant 
> [email protected] by [email protected] at Fri Nov 25 
> 09:48:00 UTC 2011 version 1:jDFIgvDgRupnm6BkVyXhy88rza8=]) for wavelet 
> [WaveletName 
> waveinabox.net/w+lAjXzMOY0eA/waveinabox.net/[email protected]]
> Nov 25, 2011 9:48:28 AM org.waveprotocol.box.server.waveserver.WaveServerImpl 
> submitDelta
> INFO: Submit result for [WaveletName 
> waveinabox.net/w+lAjXzMOY0eA/waveinabox.net/[email protected]]
>  by [email protected] applied 1 ops at v: 0 t: 1322214480147
> Nov 25, 2011 9:48:28 AM 
> org.waveprotocol.box.server.frontend.WaveViewSubscription submitResponse
> INFO: Submit resolved on channel ch9
> Seems like the first delta that adds the participant to the new (empty) 
> wavelet is somehow duplicated and then on loading the participant is not 
> recognized as author and doesn't have the access to this wavelet.

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