Eclipse 3.3 (Europa) for J2EE developers
The new release of Eclipse has been out for a couple of days. The changes included in the release look great!
However, the default install comes with an error in the configuration which will prevent the installation of new plug-ins through the update manager.
The message I’m seeing is:
Java Persistence API Tools (1.0.0.v200706250000-77–CYQCCz-CoRPCCCH) requires feature “org.eclipse.datatools.enablement.feature”.
To fix that, go to the update manager and grab from the Europa Discovery Site the features:
- Database Development / Data Tools Platform Documentation
- Database Development / Data Tools Platform Enablement
I’m clueless about why the documentation is needed to resolve this issue but…
Once these features are checked, the error message will disappear and you will be free to install whichever plugins you’d like.
I’m a bit surprised by the small number of results I’ve got when googling for the error message: two! Credit for the solution goes to Bradley Wagner and the great folks at Nabble.
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Tuesday, August 7, 2007 at 22:02
Thank you very much for this post! I, too, am surprised by how few results come up from googling this problem. For newbies, here are more explicit details about how to get this fix:
Help->Software Updates->Find and Install
select “Search for new features to install”, Next
select “Europa Discovery Site”, Finish
Then select (at least):
* Database Development / Data Tools Platform Documentation
* Database Development / Data Tools Platform Enablement
Best,
Ari
Wednesday, October 3, 2007 at 06:11
Hi,
Whats the difference in J2EE europa and WTP2.0? Will a “all in one” WTP 2.0 download is enough? If you have any info please share it.
Wednesday, October 3, 2007 at 07:54
@Varada: Europa is the name of the Eclipse 3.3 simultaneous release, which includes WTP 2.0. In principle, WTP 2.0 “all-in-one” is enough for running Candy.
Wednesday, December 19, 2007 at 17:17
Thanks for your help, this has solved a long running problem for me too! In fact, I had to select most of the Database Tools, not just the 2 mentioned above, before the Finish button became active again and I was able to continue with the updates. Thanks again!
Tuesday, October 20, 2009 at 04:09
I had the same problem or message error when i try to install the jbpm 4.1. Anybody can help me? thnks.