Not all SharePoint Metadata Fields are returned

metadatarule: {
_value_: "",
_attribute_match: "/*",
_attribute_action: "include",
_attribute_allmetadata: "true"
}

            for (String field : fieldNames.values())
            {
              fields[j++] = field;
            }         

            for (String field : fieldNames.keySet())
            {
              fields[j++] = field;
            }      

2016-03-07 10:37:25,021 DEBUG [Worker thread '4'] org.apache.manifoldcf.connectors: SharePoint: Processing file '/workingareas/weiterertest/Documents//Testdatei.txt'; url: 'https://m10005.sharepoint-tu.noncd-test.rz.test.de/workingareas/weiterertest/Documents/Testdatei.txt'

2016-03-07 10:37:25,022 DEBUG [Worker thread '4'] org.apache.manifoldcf.connectors: SharePoint: In getFieldValues; fieldNames=[App Created By, App Modified By, Approval Status, Approve Folder WF, Approver Comments, Author, Auto Approval, Check In Comment, Checked Out To, Content Type, Copy Source, Countries, Created, Created By, Document Approval, Document Status, Edit, File Size, Folder Child Count, ID, Item Child Count, Local Entities, Modified, Modified By, Name, Publication Date, SCC, Scheduling End Date, Scheduling Start Date, Scope, SetMetaDataWA_ApDoc, SetMetaDataWA_NonApDoc, Source Name (Converted Document), Source Version (Converted Document), SubProcesses, Title, Type, Version, WorkingArea, WorkingArea ID], site='/workingareas/weiterertest', docLibrary='{64262471-2E4E-4E40-9A94-BDC03DADECCD}', docId='/Documents/Testdatei.txt', dspStsWorks=false

2016-03-07 10:37:25,524 DEBUG [Worker thread '4'] org.apache.manifoldcf.connectors: SharePoint: getListItems FileRef value 'workingareas/weiterertest/Documents/Testdatei.txt', xml response: '<ns1:listitems xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:ns1="http://schemas.microsoft.com/sharepoint/soap/">
<rs:data ItemCount="1">
   <z:row ows_Author="131;#max.mustermann@test.de" ows_Countries="1;#sdfsdf" ows_Created="2015-12-11 13:30:33" ows_Edit="0" ows_ID="1" ows_Modified="2015-12-11 13:42:14" ows_Title="sdf" ows__Level="2" ows_ProgId="1;#" ows_Local_x0020_Entities="1;#sdfsdf" ows_Last_x0020_Modified="1;#2015-12-11 13:42:13" ows_owshiddenversion="7" ows_FileLeafRef="1;#Testdatei.txt" ows_PermMask="0x7fffffffffffffff" ows_FileRef="1;#workingareas/weiterertest/Documents/Testdatei.txt" ows__ModerationStatus="3" ows_UniqueId="1;#{00105529-BD03-4408-B509-A1EDF167752A}" ows_FSObjType="1;#0" ows_Created_x0020_Date="1;#2015-12-11 13:30:33" ows_WorkingAreaID="22;#22" ows_DocIcon="txt" ows_Editor="131;#max.mustermann@test.de"/>
</rs:data>
</ns1:listitems>'

2016-03-07 10:31:02,016 DEBUG [Worker thread '22'] org.apache.manifoldcf.connectors: SharePoint: Processing file '/workingareas/weiterertest/Documents//Testdatei.txt'; url: 'https://m10005.sharepoint-tu.noncd-test.rz.test.de/workingareas/weiterertest/Documents/Testdatei.txt'

2016-03-07 10:31:02,016 DEBUG [Worker thread '22'] org.apache.manifoldcf.connectors: SharePoint: In getFieldValues; fieldNames=[AppAuthor, AppEditor, ApproveF, Author, Auto_x0020_Approval, CheckoutUser, ContentType, Countries, Created, DocIcon, DocumentStatus, Document_x0020_Approval, Document_x0020_Approval_x0028_1_x0029_, Edit, Editor, FileLeafRef, FileSizeDisplay, FolderChildCount, ID, ItemChildCount, LinkFilename, LinkFilenameNoMenu, Local_x0020_Entities, Modified, ParentLeafName, ParentVersionString, PublicationDate, PublishingExpirationDate, PublishingStartDate, ScopeDocument, SetMetaD, SetMetaD0, Title, WorkingAreaID, WorkingAreaID_x003a_Name, WorkingAreaID_x003a_SCC, WorkingAreaID_x003a_SubProcesses, _Author, _CheckinComment, _CopySource, _ModerationComments, _ModerationStatus, _UIVersionString], site='/workingareas/weiterertest', docLibrary='{64262471-2E4E-4E40-9A94-BDC03DADECCD}', docId='/Documents/Testdatei.txt', dspStsWorks=false

2016-03-07 10:31:02,688 DEBUG [Worker thread '22'] org.apache.manifoldcf.connectors: SharePoint: getListItems FileRef value 'workingareas/weiterertest/Documents/Testdatei.txt', xml response: '<ns1:listitems xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:ns1="http://schemas.microsoft.com/sharepoint/soap/">
<rs:data ItemCount="1">
   <z:row ows_AppEditor="22;#Workflow" ows_Author="131;#max.mustermann@test.de" ows_ContentType="Approval Document" ows_Countries="1;#sdfsdf" ows_Created="2015-12-11 13:30:33" ows_DocIcon="txt" ows_DocumentStatus="Ready for Review" ows_Edit="0" ows_Editor="131;#max.mustermann@test.de" ows_FileLeafRef="1;#Testdatei.txt" ows_FileSizeDisplay="27" ows_FolderChildCount="1;#0" ows_ID="1" ows_ItemChildCount="1;#0" ows_LinkFilename="Testdatei.txt" ows_LinkFilenameNoMenu="Testdatei.txt" ows_Local_x0020_Entities="1;#sdfsdf" ows_Modified="2015-12-11 13:42:14" ows_ParentLeafName="1;#" ows_ParentVersionString="1;#" ows_Title="sdf" ows_WorkingAreaID="22;#22" ows_WorkingAreaID_x003a_Name="22;#WeitererTest" ows_WorkingAreaID_x003a_SCC="22;#Amerika" ows_WorkingAreaID_x003a_SubProcesses="22;#AP" ows__Author="sdf" ows__CheckinComment="1;#" ows__ModerationStatus="3" ows__UIVersionString="0.5" ows__Level="2" ows_ProgId="1;#" ows_Last_x0020_Modified="1;#2015-12-11 13:42:13" ows_owshiddenversion="7" ows_PermMask="0x7fffffffffffffff" ows_FileRef="1;#workingareas/weiterertest/Documents/Testdatei.txt" ows_UniqueId="1;#{00105529-BD03-4408-B509-A1EDF167752A}" ows_FSObjType="1;#0" ows_Created_x0020_Date="1;#2015-12-11 13:30:33"/>
</rs:data>
</ns1:listitems>'