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From "Paulo Motta (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-14394) Streaming fails with AssertionError
Date Wed, 18 Apr 2018 00:38:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16441707#comment-16441707
] 

Paulo Motta edited comment on CASSANDRA-14394 at 4/18/18 12:37 AM:
-------------------------------------------------------------------

bq. Ah, looks like 13938. Now I feel less bad about breaking something in what was meant to
be a minor refactor. Encourage either of you to commit the dtest with/without proving it's
a dupe. 

The funny thing is that during bissect I noticed that this starts failing more often after
CASSANDRA-14260, but after investigating I haven't found anything there that broken this,
so I think this is some timing/synchronization bug which became more likely after 14260.

bq. I think it might be a dupe of CASSANDRA-13938, introduced by CASANDRA-12229 

Good call, I did a quick search on google of " stream can only read forward" and found only
CASSANDRA-8314 so I thought it was a new issue, next time I will use the JIRA search bar.
:) I will close this as dupe of CASSANDRA-13938 for now. Feel free to reopen if this is not
the case and to include the dtest on that

Thanks for the quick feedback!


was (Author: pauloricardomg):
bq. Ah, looks like 13938. Now I feel less bad about breaking something in what was meant to
be a minor 
refactor. Encourage either of you to commit the dtest with/without proving it's a dupe. 

The funny thing is that during bissect I noticed that this starts failing more often after
CASSANDRA-14260, but after investigating I haven't found anything there that broken this,
so I think this is some timing/synchronization bug which became more likely after 14260.

bq. I think it might be a dupe of CASSANDRA-13938, introduced by CASANDRA-12229 

Good call, I did a quick search on google of " stream can only read forward" and found only
CASSANDRA-8314 so I thought it was a new issue, next time I will use the JIRA search bar.
:) I will close this as dupe of CASSANDRA-13938 for now. Feel free to reopen if this is not
the case and to include the dtest on that

Thanks for the quick feedback!

> Streaming fails with AssertionError
> -----------------------------------
>
>                 Key: CASSANDRA-14394
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14394
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Streaming and Messaging
>            Reporter: Paulo Motta
>            Priority: Major
>             Fix For: 4.x
>
>
> The bootstrap from the attached dtest fails with the following error on trunk:
> {code:none}
> ERROR [Stream-Deserializer-127.0.0.1:38369-af884494] 2018-04-17 12:36:53,420 StreamingInboundHandler.java:210
- [Stream channel: af884494] stream operation from 127.0.0.1:38369 failedjava.lang.AssertionError:
stream can only read forward.        at org.apache.cassandra.db.streaming.CompressedInputStream.position(CompressedInputStream.java:108)       
at org.apache.cassandra.db.streaming.CompressedCassandraStreamReader.read(CompressedCassandraStreamReader.java:93)       
at org.apache.cassandra.db.streaming.CassandraIncomingFile.read(CassandraIncomingFile.java:63)       
at org.apache.cassandra.streaming.messages.IncomingStreamMessage$1.deserialize(IncomingStreamMessage.java:49)       
at org.apache.cassandra.streaming.messages.IncomingStreamMessage$1.deserialize(IncomingStreamMessage.java:36)       
at org.apache.cassandra.streaming.messages.StreamMessage.deserialize(StreamMessage.java:55)       
at org.apache.cassandra.streaming.async.StreamingInboundHandler$StreamDeserializingTask.run(StreamingInboundHandler.java:177)       
at java.lang.Thread.run(Thread.java:748)
> {code}



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