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https://issues.apache.org/jira/browse/DIRSTUDIO-1046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14549919#comment-14549919
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Stefan Seelmann commented on DIRSTUDIO-1046:
--------------------------------------------
Hi Paul, as you already identified the problematic parts, can you provide a
patch? Thanks.
> EntryEditorManager constructor can throw NPE
> --------------------------------------------
>
> Key: DIRSTUDIO-1046
> URL: https://issues.apache.org/jira/browse/DIRSTUDIO-1046
> Project: Directory Studio
> Issue Type: Bug
> Components: studio-ldapbrowser
> Affects Versions: 2.0.0-M8 (2.0.0.v20130628)
> Reporter: Paul Richardson
>
> Using the BrowserWidget in a wizard rather than the BrowserView can result in
> a NullPointerException being thrown.
> The BrowseWidget is embedded in a WizardPage so the
> org.apache.directory.ldapbrowser.ui plugin has not necessarily been
> activated. However, during a refresh of the BrowserWidget's tree view, a
> worker-runnable calls on resources of the ldapbrowser.ui plugin and it is
> activated.
> The activation of the ldapbrowser.ui plugin calls
> {code}
> entryEditorManager = new EntryEditorManager();
> {code}
> The constructor of the EntryEditorManager contains
> {code}
> PlatformUI.getWorkbench().getActiveWorkbenchWindow().getPartService().addPartListener(
> partListener );
> {code}
> This code only works if called from the UI thread. Otherwise,
> getActiveWorkbenchWindow() returns null hence the NPE.
> Since a runnable is responsible for the plugin activation in this use-case
> then this behaviour occurs.
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