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From "jay brown (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CMIS-510) NPE when doing 'order by' in query for inMemory server
Date Mon, 27 Feb 2012 22:53:49 GMT
NPE when doing 'order by' in query for inMemory server
------------------------------------------------------

                 Key: CMIS-510
                 URL: https://issues.apache.org/jira/browse/CMIS-510
             Project: Chemistry
          Issue Type: Bug
          Components: opencmis-server-inmemory
    Affects Versions: OpenCMIS 0.6.0
            Reporter: jay brown
             Fix For: OpenCMIS 0.6.0


perform this query:
SELECT t.cmis:name, t.cmis:createdBy, t.cmis:creationDate, t.cmis:lastModifiedBy, t.cmis:lastModificationDate,

t.cmis:contentStreamMimeType, t.cmis:contentStreamLength, t.cmis:objectId, t.cmis:objectTypeId

FROM cmis:document t WHERE ((t.cmis:name LIKE 'My%')) ORDER BY t.cmis:name ASC

...
Caused by: java.lang.NullPointerException
        at org.apache.chemistry.opencmis.inmemory.query.InMemoryQueryProcessor$1
ResultComparator.compare(InMemoryQueryProcessor.java:186)
        at org.apache.chemistry.opencmis.inmemory.query.InMemoryQueryProcessor$1
ResultComparator.compare(InMemoryQueryProcessor.java:176)
        at java.util.Arrays.mergeSort(Arrays.java:2874)
        at java.util.Arrays.mergeSort(Arrays.java:2886)
        at java.util.Arrays.mergeSort(Arrays.java:2886)
        at java.util.Arrays.sort(Arrays.java:3251)
        at java.util.Arrays.sort(Arrays.java:3269)
        at java.util.Collections.sort(Collections.java:1961)


Remove the order by clause and the select works. 

SELECT t.cmis:name, t.cmis:createdBy, t.cmis:creationDate, t.cmis:lastModifiedBy, t.cmis:lastModificationDate,

t.cmis:contentStreamMimeType, t.cmis:contentStreamLength, t.cmis:objectId, t.cmis:objectTypeId

FROM cmis:document t WHERE ((t.cmis:name LIKE 'My%')) 

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