[jira] [Created] (CMIS-647) Exceptions when trying to access SharePoint 2013 folders

["Thomas Rogall (JIRA)" <ji...@apache.org>]

Thomas Rogall created CMIS-647:
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             Summary: Exceptions when trying to access SharePoint 2013 folders
                 Key: CMIS-647
                 URL: https://issues.apache.org/jira/browse/CMIS-647
             Project: Chemistry
          Issue Type: Bug
          Components: dotcmis
    Affects Versions: DotCMIS 0.5
         Environment: Windows 7 Professional
            Reporter: Thomas Rogall



I am trying to retrieve objects within a SharePoint 2013 library, using "{IFolder}.GetChildren(…)"

In plain libraries this is working OK. But when the SharePoint library contains folders, the function raises a NULL-Pointer-Exceptions occur every time.

After removing all folders from the SharePoint library the function works correct again.

The NULL pointer exception is caused in "binding-caches.cs", line 220, see stacktrace below.

Note 1: Using the CMIS Workbench (same connection parameters and same credentials) documents AND folders are listed correctly (!)

Note 2: I already tried to add some code which simply avoids NULL-arguments. This does NOT help,  just an empty result will be returned.

Note 3: A similar behavior occurs when trying to access objects using "{ISession}.GetObjectByPath()" - rootFolder and documents are OK, subfolders will raise exceptions.
Sample output from my test program:
Path '/' --> Folder: Meine erste Bibliothek
Path '/NOTEBOOK.JPG' --> Picture: NOTEBOOK.JPG
Path '/AAA' --> EXCEPTION: Received Atom entry is not a CMIS entry!
Path '/AAA/' --> EXCEPTION: Received Atom entry is not a CMIS entry!
Path '/AAA/BBB' --> EXCEPTION: Received Atom entry is not a CMIS entry!
Path '/AAA/BBB/JUDGESCH.GIF' --> Document: JUDGESCH.GIF


Stacktrace:
   bei System.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
   bei System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
   bei System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
   bei DotCMIS.Util.LRUCache`2.Remove(K key) in C:\EIS\CMIS\Chemistry\src\util.cs:Zeile 104.
   bei DotCMIS.Binding.LruCacheLevel.Remove(String key) in C:\EIS\CMIS\Chemistry\src\binding\binding-caches.cs:Zeile 551.
   bei DotCMIS.Binding.Cache.Remove(String[] keys) in C:\EIS\CMIS\Chemistry\src\binding\binding-caches.cs:Zeile 220.
   bei DotCMIS.Binding.AtomPub.LinkCache.RemoveLinks(String repositoryId, String id) in C:\EIS\CMIS\Chemistry\src\binding\atompub\atompub-linkcache.cs:Zeile 126.
   bei DotCMIS.Binding.AtomPub.AbstractAtomPubService.RemoveLinks(String repositoryId, String id) in C:\EIS\CMIS\Chemistry\src\binding\atompub\atompub.cs:Zeile 199.
   bei DotCMIS.Binding.AtomPub.NavigationService.GetChildren(String repositoryId, String folderId, String filter, String orderBy, Nullable`1 includeAllowableActions, Nullable`1 includeRelationships, String renditionFilter, Nullable`1 includePathSegment, Nullable`1 maxItems, Nullable`1 skipCount, IExtensionsData extension) in C:\EIS\CMIS\Chemistry\src\binding\atompub\atompub.cs:Zeile 1080.
   bei DotCMIS.Client.Impl.Folder.<>c__DisplayClass4.<GetChildren>b__3(Int64 maxNumItems, Int64 skipCount) in C:\EIS\CMIS\Chemistry\src\client\client-objects.cs:Zeile 1252.
   bei DotCMIS.Client.Impl.PageFetcher`1.FetchNextPage(Int64 skipCount) in C:\EIS\CMIS\Chemistry\src\client\client-utils.cs:Zeile 563.
   bei DotCMIS.Client.Impl.AbstractEnumerator`1.GetCurrentPage() in C:\EIS\CMIS\Chemistry\src\client\client-utils.cs:Zeile 528.
   bei DotCMIS.Client.Impl.CollectionEnumerator`1.MoveNext() in C:\EIS\CMIS\Chemistry\src\client\client-utils.cs:Zeile 608.
   bei TestClient.MainForm.DumpRepository(ISession session) in C:\EIS\CMIS\Chemistry\TestClient\MainForm.cs:Zeile 139.


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