[Eclipse] DLTK crashed with error message “Open Type Hierarchy action”

Context :

Eclipse 3.7.2 (Indigo)

Problem / Error:

An internal error occurred during: "Open Type Hierarchy action".
org.eclipse.dltk.ast.ASTNode.end()I

Solution (reblog la solution) :

PDT 3.1.1 requires DLTK 4.0, and there is no such version of DLTK in Indigo repository.
When you installed PDT 3.1.1 on Indigo, DLTK 3.0 in Indigo repository is applied because of mal-dependencies in PDT. It doesn’t work.

You can choose several ways to fix the problem.
1) Upgrade to the latest stable Juno 3.8.1.
2) Downgrade to the latest bug-ful Juno 4.2.1 having too much problems.
3) Install DLTK 4.0 into your Indigo installation.
4) Drop PDT.

If you are going to install DLTK 4.0 into your Indigo,
Go to Help>Install New Software
Add “http://download.eclipse.org/releases/juno
Check “Dynamic Languages Toolkit – Core Frameworks” (under General Purpose Tools category)
Go ahead.

Note that this updates “EMF – Eclipse Modeling Framework Core Runtime”(from 2.7 to 2.8 ) also. I don’t know whether this will cause other problems or not against other than PDT.

Reference :

http://www.eclipse.org/forums/index.php/t/374334/

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