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From "Andrei Dulceanu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-6678) Syncing big blobs fails since StandbyServer sends persisted head
Date Fri, 22 Sep 2017 15:41:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-6678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrei Dulceanu updated OAK-6678:
---------------------------------
    Labels: cold-standby resilience  (was: cold-standby)

> Syncing big blobs fails since StandbyServer sends persisted head
> ----------------------------------------------------------------
>
>                 Key: OAK-6678
>                 URL: https://issues.apache.org/jira/browse/OAK-6678
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: segment-tar, tarmk-standby
>            Reporter: Andrei Dulceanu
>            Assignee: Andrei Dulceanu
>              Labels: cold-standby, resilience
>             Fix For: 1.7.8
>
>
> With changes for OAK-6653 in place, {{ExternalPrivateStoreIT#testSyncBigBlog}} and sometimes
{{ExternalSharedStoreIT#testSyncBigBlob}} are failing on CI:
> {noformat}
> org.apache.jackrabbit.oak.segment.standby.ExternalSharedStoreIT
> testSyncBigBlob(org.apache.jackrabbit.oak.segment.standby.ExternalSharedStoreIT)  Time
elapsed: 96.82 sec  <<< FAILURE!
> java.lang.AssertionError: expected:<{ root = { ... } }> but was:<{ root : {
} }>
> ...
> testSyncBigBlob(org.apache.jackrabbit.oak.segment.standby.ExternalPrivateStoreIT)  Time
elapsed: 95.254 sec  <<< FAILURE!
> java.lang.AssertionError: expected:<{ root = { ... } }> but was:<{ root : {
} }>
> {noformat}
> Partial stacktrace:
> {noformat}
> 14:09:08.355 DEBUG [main] StandbyServer.java:242            Binding was successful
> 14:09:08.358 DEBUG [standby-1] GetHeadRequestEncoder.java:33 Sending request from client
Bar for current head
> 14:09:08.359 DEBUG [primary-1] ClientFilterHandler.java:53  Client /127.0.0.1:52988 is
allowed
> 14:09:08.360 DEBUG [primary-1] RequestDecoder.java:42       Parsed 'get head' message
> 14:09:08.360 DEBUG [primary-1] CommunicationObserver.java:79 Message 'get head' received
from client Bar
> 14:09:08.362 DEBUG [primary-1] GetHeadRequestHandler.java:43 Reading head for client
Bar
> 14:09:08.363 WARN  [primary-1] ExceptionHandler.java:31     Exception caught on the server
> java.lang.NullPointerException: null
> 	at org.apache.jackrabbit.oak.segment.standby.server.DefaultStandbyHeadReader.readHeadRecordId(DefaultStandbyHeadReader.java:32)
~[oak-segment-tar-1.8-SNAPSHOT.jar:1.8-SNAPSHOT]
> 	at org.apache.jackrabbit.oak.segment.standby.server.GetHeadRequestHandler.channelRead0(GetHeadRequestHandler.java:45)
~[oak-segment-tar-1.8-SNAPSHOT.jar:1.8-SNAPSHOT]
> {noformat}



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