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https://issues.apache.org/jira/browse/AMBARI-21706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16123956#comment-16123956
]
Hudson commented on AMBARI-21706:
---------------------------------
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7882 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/7882/])
AMBARI-21706 : Fix exception messages whenever empty host list is passed
(avijayan:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=bc6cbf3596247c79c6a2aad9047ebe6a2d1cf27b])
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/api/predicate/QueryParserTest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProvider.java
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProviderTest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/api/predicate/QueryParser.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/api/predicate/operators/InOperator.java
> Fix exception messages whenever empty host list is passed in predicate.
> -----------------------------------------------------------------------
>
> Key: AMBARI-21706
> URL: https://issues.apache.org/jira/browse/AMBARI-21706
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.5.2
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Fix For: 2.6.0
>
> Attachments: AMBARI-21706.patch
>
>
> Cluster installation stuck on Customize Services Page and wasn't loaded even
> after 4000 seconds waiting
> ambari-server.log shows:
> {code}
> 10 Aug 2017 09:48:08,356 INFO [pool-18-thread-1] AmbariMetricSinkImpl:95 -
> No clusters configured.
> 10 Aug 2017 09:49:17,123 ERROR [ambari-client-thread-593] QueryParser:115 -
> Lowercase host_name value in expression failed with
> error:java.lang.NullPointerException
> 10 Aug 2017 09:49:17,125 ERROR [ambari-client-thread-593] Request:147 -
> Unable to compile query predicate: IN operator is missing a required right
> oper
> and.
> org.apache.ambari.server.api.predicate.InvalidQueryException: IN operator is
> missing a required right operand.
> at
> org.apache.ambari.server.api.predicate.operators.InOperator.toPredicate(InOperator.java:50)
> at
> org.apache.ambari.server.api.predicate.expressions.RelationalExpression.toPredicate(RelationalExpression.java:43)
> at
> org.apache.ambari.server.api.predicate.QueryParser.parse(QueryParser.java:99)
> at
> org.apache.ambari.server.api.predicate.PredicateCompiler.compile(PredicateCompiler.java:62)
> at
> org.apache.ambari.server.api.services.BaseRequest.parseQueryPredicate(BaseRequest.java:344)
> at
> org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:143)
> {code}
> {code}
> 10 Aug 2017 09:49:17,126 WARN [ambari-client-thread-597]
> AbstractResourceProvider:134 - Error occurred during preparation of stack
> advisor request
> java.lang.ClassCastException: java.util.LinkedHashSet cannot be cast to
> java.util.List
> at
> org.apache.ambari.server.controller.internal.StackAdvisorResourceProvider.prepareStackAdvisorRequest(StackAdvisorResourceProvider.java:110)
> at
> org.apache.ambari.server.controller.internal.RecommendationResourceProvider.createResources(RecommendationResourceProvider.java:88)
> at
> org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:298)
> at
> org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:97)
> at
> org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:37)
> at
> org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:73)
> at
> org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:144)
> {code}
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