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question asked: Nov 14 '17, 4:44 p.m.
question was seen: 2,123 times
last updated: Jul 22, 1:47 a.m.

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RTC 6.x Extensibility workshop error Eclipse client launch EclipseStarter.class not found

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Kevin Ingles (11●1) | asked Nov 14 '17, 4:44 p.m.
edited Nov 15 '17, 6:32 a.m. by Ralph Schoon (63.6k●3●36●46)

I am running the RTC 6.x Extensibility workshop from PDF RTC603ExtPoT. I am installing on Linux and use Eclipse Luna. I successfully installed RTC 6.0.4 and the Eclipse client functions perfectly until I try to Test the RTC Eclipse client launch (Sec 1.9, pp 67-69). On pg 68 when I click Debug, the client launch fails with the following error:

!ENTRY org.eclipse.equinox.launcher 4 0 2017-10-18 11:20:41.842
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.ClassNotFoundException: org.eclipse.core.runtime.adaptor.EclipseStarter
        at java.net.URLClassLoader.findClass(URLClassLoader.java:602)
        at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:786)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:764)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:741)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:617)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
        at org.eclipse.equinox.launcher.Main.main(Main.java:138

As expected, the same error occurs when I do a client launch from the run configuration in Sec 3.3, pg 82.

Eclipse is already open, and this launch is supposed to fire up another instance of Eclipse, but fails.

I did find the org/eclipse/core/runtime/adaptor/EclipseStarter.class in the jar file org.eclipse.osgi_3.10.2.v20150203-1939.jar (in directory installs/TeamConcert/eclipse/plugins). But I have been unable to successfully load in classpath for the client launch.

Thanks,

Kevin

Comments
Ralph Schoon commented Nov 15 '17, 3:02 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

Kevin, I have not seen this issue. However, I don't understand the reference with the classpath. You should only have to run from the launch file. You should not have to add any classpath.

Kevin Ingles commented Nov 15 '17, 8:30 a.m.

Initially I open the Eclipse client with the client workspace (ClientWS). And this works fine. But when I go to Debug Configurations in eclipse (pg 67 in workshop) and click Debug I get the error. Another instance of eclipse is supposed to open, but gives the error. I followed all workshop instructions for install.

Kevin Ingles commented Nov 15 '17, 8:37 a.m.

I figured something is missing in the classpath of the launch, since it can't find the EclipseStarter class. I am running as root on Linux.

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Girish Chandra P (95●32●46) | answered Feb 04, 10:43 a.m.

 I had the same error , Please use the Target Platform as Running Platform Default . As RTC client SDK does not have the bundle org.eclipse.equinox.concurrent(this is missing). With this I am able to resolve the error. Default Platform

Comments
Ralph Schoon commented Feb 05, 3:16 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

If you do this, you can not run client SDK based extensions. 

Girish Chandra P commented Feb 19, 3:37 a.m.

I agree , to  have all the feature I  have combined both Platform in one .   Merge - Platform

Vaibhav S commented Jul 22, 1:47 a.m.

Thank you so much for this workaround.

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