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<== Date ==> <== Thread ==>

Subject: RE: CSS 4.3.x is not showing main help (Help Contents)
From: Mazanec Tomáš <Tomas.Mazanec@eli-beams.eu>
To: "Kasemir, Kay" <kasemirk@ornl.gov>, "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Mon, 27 Feb 2017 16:09:38 +0000

Thanks for the prompt reply, Kay.

So the right way is to build my own product with relevant features/plugins added.

Tomas


Od: Kasemir, Kay [kasemirk@ornl.gov]
Odesláno: 27. února 2017 15:12
Komu: Mazanec Tomáš; tech-talk@aps.anl.gov
Předmět: Re: CSS 4.3.x is not showing main help (Help Contents)

Hi:


The Eclipse/CSS online help is displayed by a web browser that gets content from a Jetty web server. The JettyConfigurator is in the org.eclipse.equinox.http.jetty plugin.

One example for getting that into the product would be the SNS product, see sources and build instructions on https://github.com/ControlSystemStudio/org.csstudio.sns .

As for that specific help related plugin, the org.csstudio.sns/repository/basic-epics.product and sns-css.product each include org.csstudio.sns.feature.eclipse to get all the basic Eclipse plugins, including the org.eclipse.equinox.http.jetty plugin:
https://github.com/ControlSystemStudio/org.csstudio.sns/blob/master/features/org.csstudio.sns.feature.eclipse/feature.xml#L286


-Kay



From: tech-talk-bounces@aps.anl.gov <tech-talk-bounces@aps.anl.gov> on behalf of Mazanec Tomáš <Tomas.Mazanec@eli-beams.eu>
Sent: Sunday, February 26, 2017 6:17 PM
To: tech-talk@aps.anl.gov
Subject: CSS 4.3.x is not showing main help (Help Contents)
 
Hi all

I'm trying to resolve this issue -- CSS 4.3.x doesn't run its main help from the menu: Help -> Help Contents.
And prints out the following message:

2017-02-26 22:48:06.953 SEVERE [Thread 1] org.csstudio.logging.PluginLogListener (logging) - Unhandled event loop exception
java.lang.NoClassDefFoundError: org/eclipse/equinox/http/jetty/JettyConfigurator
    at org.eclipse.help.internal.server.JettyHelpServer$StartServerThread.run(JettyHelpServer.java:78)
Caused by: java.lang.ClassNotFoundException: org.eclipse.equinox.http.jetty.JettyConfigurator cannot be found by org.eclipse.help.base_4.0.301.v20160212-1500
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:439)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
    at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 1 more


Regularly I use several update sites to add plugins to CSS:
http://download.controlsystemstudio.org/updates/4.3
http://download.eclipse.org/releases/mars
http://download.eclipse.org/eclipse/updates/4.5

CSS build in question is just a product build downloaded from http://controlsystemstudio.org/controlsystemstudio/current.html#

Well, org.eclipse.help.base is available from the update sites but jetty is not and it was not straightforward to find some update site.
Then I've tried update site listed on eclipse web http://download.eclipse.org/jetty/updates/jetty-bundles-9.x/ but there are other not resolved dependencies and I'm not completely sure about the right version of jetty.
So I'd rather to fix the problem in more systematic way and avoid experiments with third-party plugins and update-sites.

Is there a recommended way how to make the main Help of CSS working ?

Thanks,
Tomas


References:
CSS 4.3.x is not showing main help (Help Contents) Mazanec Tomáš
Re: CSS 4.3.x is not showing main help (Help Contents) Kasemir, Kay

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