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Setting a custom classloader for my plug-in [message #811639]

Fri, 02 March 2012 11:30

Eclipse User

Hi,

Im trying to integrate an existing app into a Eclipse plugin. The app is using a custom classloader to download requested classes over the network. However im having problems to get the plugin to use the custom classloader. Is there any way to hook the custom classloader into the plug-in's classloader chain during start-up of the plug-in? What is the recommended approach when using custom classloaders?

All my attempts so far has resulted in the following exception:
Caused by: java.lang.ClassNotFoundException: my.downloaded.stuff.MgmtUtils
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal (BundleLoader.java:513)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)

Regards
Mikael

Re: Setting a custom classloader for my plug-in [message #813943 is a reply to message #811639]

Mon, 05 March 2012 16:46

Eclipse User

You should look at http://wiki.eclipse.org/Adaptor_Hooks there is a classloading hook that would allow you to hook into your bundles class-loader.

PW

Re: Setting a custom classloader for my plug-in [message #813952 is a reply to message #813943]

Mon, 05 March 2012 16:52

Eclipse User

If you need a running example take a look at e(fx)clipse and how it
loads JavaFX from an external resource using adapter hooks.

https://github.com/tomsontom/e-fx-clipse/tree/master/at.bestsolution.efxclipse.runtime.osgi/src/at/bestsolution/efxclipse/runtime/osgi/fxloader

Tom

Am 05.03.12 22:46, schrieb Paul Webster:
> You should look at http://wiki.eclipse.org/Adaptor_Hooks there is a
> classloading hook that would allow you to hook into your bundles
> class-loader.
>
> PW
>

Re: Setting a custom classloader for my plug-in [message #814510 is a reply to message #813952]

Tue, 06 March 2012 09:40

Eclipse User

Thanks

That seems to be what im looking for.

Mikael

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