Scala IDE not working properly in Eclipse Luna for Java EE

Question

I've tried and re-tried to install the Scala IDE in several different ways in the Java EE specific version of Eclipse, but I just can't get it to work.

The Scala first-time configuration screen doesn't appear, I can't create Scala projects, and the Scala perspective is nowhere to be found...

I've used the Scala IDE before, and it always worked flawlessly...

Going to Help -> About Eclipse -> Installation Details I can see that the IDE is indeed installed, so why it doesn't work is beyond me...

Any help in resolving this issue?

Which version did you install? Only the nightlies have worked for me. — The Archetypal Paul, Aug 20 '14 at 20:19
@Paul I've tried both the milestone and the marketplace versions — Electric Coffee, Aug 20 '14 at 20:21
@Paul you're right about the nightly version, if you'd put it as an answer I'll accept it — Electric Coffee, Aug 20 '14 at 20:48

The Archetypal Paul · Accepted Answer · 2014-08-21T14:03:56.317

3

The milestone version appears not to work with Luna. However, the nightlies do work (the nightly versions work for me (initially the worksheet didn't, but that started working with a later nightly)

edited Aug 21 '14 at 14:03

answered Aug 21 '14 at 07:15

The Archetypal Paul

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I succeeded once on a second install with nightly, but then failed on a fresh install with nightly. They recognize the issue: "I can reproduce the problem now. It is only visible with the 'JEE' favor of Eclipse. The conflicting bundle is not is the 'standard' distribution." – som-snytt Aug 28 '14 at 16:29
1

The nightlies still fail for me sometimes (the worksheet doesn't,er, work)- but an `eclipse -clean` gets things working agin – The Archetypal Paul Sep 20 '14 at 18:19

score 0 · Answer 2 · answered Aug 21 '14 at 21:18

I too had quite a bit of trouble getting Scala-IDE to work again after upgrading to JDK8 and Eclipse Luna (and sbt 0.13 and scala-2.11.2)

But I got this running:

First I got ~/workspace/.metadata out of the way (moved somewhere else) so Eclipse would start fresh. Then I also modified the eclipse.ini to address the disappearance of MaxPermSize in Java 8:

-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20140415-2008.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.v20140603-1326
-product
org.eclipse.epp.package.standard.product
--launcher.defaultAction
openFile
-showsplash
org.eclipse.platform
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.7
-Xms60m
-Xmx1024m
-Xss2m

Finally, after starting Eclipse, use the following update site: http://download.scala-ide.org/sdk/lithium/e44/scala211/dev/site (as per http://scala-ide.org/download/milestone.html#scala-ide-400-milestone-2).

Scala IDE not working properly in Eclipse Luna for Java EE

2 Answers2