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Classes not being found for plugin

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  • #214902 Reply

    lorlenes
    Member

    I had a plugin that I had developed for use within our company. We purchased MyEclipse and it no longer works.

    1. I opened the PDE perspective and used PDE Tools / Migrate to 3.0 from the menu.
    2. I imported all dependencies and did full clean / build with no errors.
    3. I exported the plugin as I had with Eclipse alone and tried extracting it under the c:\eclipse\plugins folder. This did not work. Tried extracting under the MyEclipse\eclipse\plugins folder and does not work. The plugin classes are in a jar file that is at the root of the plugin’s subdirectory and it is listed as a runtime library in the plugin.xml file.

    The errors I get are of type
    “Plug-in …. was unable to load class …”. This occurs for different classees of different types based upon whether I am trying to load up a view or a preference page.

    The urgency marker on the post is because I had been asked to demo this plugin before we moved to MyEclipse. I am broken a week before I need to present it. Thanks.

    #214914

    Scott Anderson
    Participant

    Lorlenes,

    1. I opened the PDE perspective and used PDE Tools / Migrate to 3.0 from the menu.

    From this, I’m assuming you installed MyEclipse on Eclipse 3.0 and then tried to migrate a plugin you wrote for Eclipse 2.1 to Eclipse 3.0 for the first time. Is that correct? Has this plugin ever successfully been built / exported from an Eclipse 3.0 environment before? The reason I ask is that the plugin export mechanism in Eclipse 3.0 is broken for exports of plugins with library dependencies. The Eclipse bug report with a patch is available here:
    https://bugs.eclipse.org/bugs/show_bug.cgi?id=68712

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