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https://issues.apache.org/jira/browse/HBASE-17730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16426481#comment-16426481
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Hudson commented on HBASE-17730:
--------------------------------

Results for branch branch-2.0
        [build #131 on 
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/131/]: 
(x) *{color:red}-1 overall{color}*
----
details (if available):

(/) {color:green}+1 general checks{color}
-- For more information [see general 
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/131//General_Nightly_Build_Report/]




(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2) 
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/131//JDK8_Nightly_Build_Report_(Hadoop2)/]


(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) 
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/131//JDK8_Nightly_Build_Report_(Hadoop3)/]


(/) {color:green}+1 source release artifact{color}
-- See build output for details.


> [DOC] Migration to 2.0 for coprocessors 
> ----------------------------------------
>
>                 Key: HBASE-17730
>                 URL: https://issues.apache.org/jira/browse/HBASE-17730
>             Project: HBase
>          Issue Type: Sub-task
>          Components: documentation, migration
>            Reporter: Appy
>            Assignee: Appy
>            Priority: Blocker
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17730.master.001.patch
>
>
> Jiras breaking coprocessor compatibility should be marked with component ' 
> Coprocessor', and label 'incompatible'.
> Close to releasing 2.0, we should go through all such jiras and write down 
> steps for migrating coprocessor easily.
> The idea is, it might be very hard to fix coprocessor breakages by reverse 
> engineering errors,  but will be easier we suggest easiest way to fix 
> breakages resulting from each individual incompatible change.
> For eg. HBASE-17312 is incompatible change. It'll result in 100s of errors 
> because BaseXXXObserver classes are gone and will probably result in a lot of 
> confusion, but if we explicitly mention the fix which is just one line change 
> - replace "Foo extends BaseXXXObserver" with "Foo implements XXXObserver" - 
> it makes it very easy.



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