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https://issues.apache.org/jira/browse/CONNECTORS-611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552952#comment-13552952
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Karl Wright commented on CONNECTORS-611:
----------------------------------------
It looks like the basic problem is that we're getting a null response from the
service. This is handled in Axis like this:
{code}
1794 msg = msgContext.getResponseMessage();
1795 if (msg == null) {
1796 if (msgContext.isPropertyTrue(FAULT_ON_NO_RESPONSE, false)) {
1797 throw new AxisFault(Messages.getMessage("nullResponse00"));
1798 } else {
1799 return null;
1800 }
1801 }
{code}
I bet this is happening only on funky documents, such as .aspx ones. The code
for the plugin looks like this:
{code}
SPListItem item = site.GetListItem(itemName);
if (item.RoleAssignments.Count > 0)
{
XmlDocument doc = new XmlDocument();
retVal = doc.CreateElement("GetPermissionCollection",
"http://schemas.microsoft.com/sharepoint/soap/directory/";);
XmlNode permissionsNode = doc.CreateElement("Permissions");
...
{code}
... so it is clearly possible for a response with NO permissionsNode to be
generated. I bet that is what is happening; for some elements, it is not
possible to retrieve permissions, and so a null document is coming back.
In such situations, what is the right thing to do?
> SharePoint connector throws NPE getting permissions in some cases
> -----------------------------------------------------------------
>
> Key: CONNECTORS-611
> URL: https://issues.apache.org/jira/browse/CONNECTORS-611
> Project: ManifoldCF
> Issue Type: Bug
> Components: SharePoint connector
> Affects Versions: ManifoldCF 1.1
> Reporter: Karl Wright
> Assignee: Karl Wright
> Fix For: ManifoldCF 1.1
>
> Attachments: Archive.zip
>
>
> Here's the exception:
> {code}
> > FATAL 2013-01-14 17:13:46,871 (Worker thread '15') - Error tossed: null
> > java.lang.NullPointerException
> > at
> > org.apache.manifoldcf.crawler.connectors.sharepoint.SPSProxyHelper.getDocumentACLs(SPSProxyHelper.java:324)
> > at
> > org.apache.manifoldcf.crawler.connectors.sharepoint.SharePointRepository.getDocumentVersions(SharePointRepository.java:929)
> > at
> > org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:321)
> >
> {code}
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