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From "John Speidel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-1479) Query Lexer sometimes fails to properly parse query strings with ignored properties such as 'fields' present
Date Fri, 22 Feb 2013 17:50:12 GMT
John Speidel created AMBARI-1479:
------------------------------------

             Summary: Query Lexer sometimes fails to properly parse query strings with ignored
properties such as 'fields' present
                 Key: AMBARI-1479
                 URL: https://issues.apache.org/jira/browse/AMBARI-1479
             Project: Ambari
          Issue Type: Bug
    Affects Versions: 1.2.0
            Reporter: John Speidel
            Assignee: John Speidel


For some query strings with ignored properties such as 'fields' the Query Lexer fails to properly
parse the query string which results in a 500 error.  Once case that results in this is when
the fields property occurs between 2 query predicates such as: ?foo=1&fields=a,b&bar=2

SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.NullPointerException
at org.apache.ambari.server.controller.predicate.ComparisonPredicate.compareValueTo(ComparisonPredicate.java:96)
at org.apache.ambari.server.controller.predicate.EqualsPredicate.evaluate(EqualsPredicate.java:35)
at org.apache.ambari.server.controller.predicate.AndPredicate.evaluate(AndPredicate.java:68)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ResourceIterator.getNextResource(ClusterControllerImpl.java:472)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ResourceIterator.<init>(ClusterControllerImpl.java:434)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ResourceIterator.<init>(ClusterControllerImpl.java:405)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ResourceIterable.iterator(ClusterControllerImpl.java:398)
at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:139)
at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:61)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:68)
at org.apache.ambari.server.api.services.HostComponentService.getHostComponents(HostComponentService.java:91)

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