| "No schema found for the 'org.eclipse.ui.actionSets' extension point." [message #1403719] |
Fri, 25 July 2014 14:26  |
 Curtis Bryant
Messages: 1
Registered: July 2014 |
Junior Member |
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While following the first cheat sheet under Creating an Eclipse plug-in, titled "Create a plug-in," a Java.lang.NullPointerException arose, and I'd like your help understanding the problem.
The cheat sheet has five parts. I got through the first three fine. Those are Introduction, Configure PDE, and Create the plug-in.
The fourth one, Modify the plug-in, is where the error arose. That section says,
To modify your com.example.helloworld plug-in, perform the following steps:
- Select the "Extensions" tab.
- Expand the "org.eclipse.ui.actionSets" tree dialog under the "All Extensions" heading.
- Expand the "Sample Action Set" tree dialog.
- Select the "Sample Menu" entry.
This is where the NullPointerException arose. The message at the top of the Extensions tab says, "No schema found for the 'org.eclipse.ui.actionSets' extension point." What does this mean?
A screenshot is attached.
Here are my software details:
Eclipse Java EE IDE for Web Developers.
Version: Luna Release (4.4.0)
Build id: 20140612-0600
jdk1.7.0_60
jre7
Windows 7
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| Re: "No schema found for the 'org.eclipse.ui.actionSets' extension point." [message #1752035 is a reply to message #1752023] |
Wed, 18 January 2017 07:31  |
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You may have the tools for developing plug-ins installed (the Eclipse Plug-in Development Environment), but you don't necessarily have the sources and developer documentation for the Eclipse Platform installed--which is where the schema would be provided (after all, what would an end-user need it for?). From the Help menu, Install New Software wizard, install the Eclipse Platform SDK or the full Eclipse SDK from The Eclipse Projects Updates site.
Nitin Dahyabhai
Eclipse Web Tools Platform
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