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I recently installed Sun's Java because of performance issues running Minecraft.

When I try to remove the OpenJDK packages by

sudo apt-get purge openjdk*

however, the JDownloader package is being removed as well. If I try to remove all OpenJDK-7 packages one by one, OpenJDK-6 is being installed instead.

IMHO there should be a way to satisfy JDownloader's dependencies for a Java runtime environment with Sun's version.

Is there any way to keep JDownloader while completely removing the opensource Java versions?

EDIT: As explained by user tumbleweed, this issue was caused by a temporary bug which soon afterwards has been resolved.

FuzzyQ
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2 Answers2

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You could let the system remove it and then install it again with the option --no-install-recommends.

That will ignore the necessary dependencies listed on the package and install only the package it self.

More information on that subject here:

Community
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Bruno Pereira
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  • Thanks for your answer! I've tried that, but since openjdk is marked as a dependency, not a recommendation, for JDownloader, this won't work. Upon reinstallation of JDownloader (from this ppa:jd-team/jdownloader), openjdk is being reinstalled as well. – FuzzyQ Jan 04 '13 at 11:12
  • Then download the package and install it with dpkg --force-depends as suggested on the linked answer. – Bruno Pereira Jan 04 '13 at 11:18
  • I just tried that by myself and it worked. Again, thank you very much! – FuzzyQ Jan 04 '13 at 11:21
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The real answer here is that that package was buggy, it depended on specific JDKs rather than the generic javaX-runtime virtual packages.

I pointed this out to the maintainer of the PPA, and he's uploaded a new version that depends on default-jre | java6-runtime | java7-runtime. This should be satisfied by the Sun JDK.

tumbleweed
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  • Good work! I've tried to install the ppa version and it's functioning again like it should. Thank you! – FuzzyQ Jan 12 '13 at 19:24