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https://issues.apache.org/jira/browse/HELIX-144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798588#comment-13798588
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Hudson commented on HELIX-144:
------------------------------
FAILURE: Integrated in helix #1191 (See
[https://builds.apache.org/job/helix/1191/])
[HELIX-144] Validate StateModelDefinition before adding it to the cluster,
rb=14704 (kanak: rev fbdafa677ffc9a2e119d2dc5d15448aeefaa6103)
* helix-core/src/main/java/org/apache/helix/model/StateModelDefinition.java
* helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixDataAccessor.java
* helix-core/src/test/java/org/apache/helix/model/TestStateModelValidity.java
*
helix-core/src/main/java/org/apache/helix/model/util/StateModelDefinitionValidator.java
* src/site/markdown/tutorial_state.md
> Need to validate StateModelDefinition when adding new StateModelDefinition to
> Cluster
> -------------------------------------------------------------------------------------
>
> Key: HELIX-144
> URL: https://issues.apache.org/jira/browse/HELIX-144
> Project: Apache Helix
> Issue Type: Bug
> Reporter: Zhen Zhang
> Assignee: Kanak Biscuitwala
>
> we see that when DROPPED state is not in the StateModelDefinition, partition
> will fail to be dropped. this causes problem when we are using auto_rebalance
> mode, because we are dropping mappings and assign new mappings to nodes.
> things need to verify:
> 1) state transitions are all valid, no self loop/loop, no unreachable state
> 2) state meta is valid
> 3) drop state included
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