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https://issues.apache.org/jira/browse/ATLAS-1681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Apoorv Naik resolved ATLAS-1681.
--------------------------------
Resolution: Fixed
> Atlas went into inconsistent state after creating a type with faulty
> definition
> -------------------------------------------------------------------------------
>
> Key: ATLAS-1681
> URL: https://issues.apache.org/jira/browse/ATLAS-1681
> Project: Atlas
> Issue Type: Bug
> Components: atlas-core
> Affects Versions: trunk, 0.9-incubating
> Reporter: Sharmadha Sainath
> Assignee: Apoorv Naik
> Attachments: EmptyAttrNameInTypeDef.txt
>
>
> Created an entity type with one of its attribute name empty with the
> following definition with the following JSON:
> {code}
> {
> "structDefs":[
> ],
> "entityDefs":[
> {
> "category":"ENTITY",
> "updateTime":12345,
> "name":"entity_incorrect",
> "typeVersion":"0.1",
> "attributeDefs":[
> {
> "name":"type_str",
> "isOptional":true,
> "isUnique":false,
> "isIndexable":false,
> "typeName":"string",
> "valuesMaxCount":1,
> "cardinality":"SINGLE",
> "valuesMinCount":0
> },
> {
> "name":"",
> "typeName":"int",
> "isOptional":true,
> "cardinality":"SINGLE",
> "valuesMinCount":-1,
> "valuesMaxCount":-1,
> "isUnique":false,
> "isIndexable":false
> }
> ],
> "superTypes":[
> ],
> "version":12345,
> "guid":"-48964f25979it51334479",
> "createTime":12345,
> "description":"incorrect json"
> }
> ],
> "classificationDefs":[
> ],
> "enumDefs":[
> ]
> }
> {code}
> *Note the second attribute name in the attribute definition*
> POSTed the type definition to
> {code}
> /api/atlas/v2/types/typedefs
> {code}
> The type is created ,with 200 OK but with exception
> {code}
> java.lang.IllegalArgumentException: Attribute name cannot be empty
> {code}
> (Attached the complete stack trace as a file)
> Inconsistency Observed :
> 1. Types drop down box lists the type entity_incorrect , but clicking on it
> throws "Invalid Expression" exception
>
> 2. Therafter ,any type creation (entity type , classification etc) is
> succeeding with 200 OK but application.log has exception :
> {code}
> org.apache.atlas.query.Expressions$UnresolvedException: Unresolved id,
> expression: entity_correct
> {code}
> Example :
> After POSTing the incorrect json to Atlas , created a tag tag_after in UI .
> It succeeded. But Search of tag throws invalid expression and tag Association
> to entity fails with
> {code}
> org.apache.atlas.exception.AtlasBaseException:
> org.apache.atlas.repository.RepositoryException:
> org.apache.atlas.typesystem.exception.TypeNotFoundException: Unknown
> datatype: tag_after
> {code}
> Type registration is affected when Atlas accepts the wrong JSON.
> Giving an empty attribute name is not a very common scenario but at what
> conditions such wrong JSONs could be accepted should be looked at.
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