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https://issues.apache.org/jira/browse/COMPRESS-199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540089#comment-13540089
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Stefan Bodewig commented on COMPRESS-199:
-----------------------------------------
AFAIU people who use Compress as OSGi bundle wouldn't be able to use XZ
compression as long as XZ for Java doesn't provide a bundle anyway - so marking
it optional seems like a wonderful approach. I'll commit Jukka's patch and
reach out to Lasse to see whether there is an easy way for him to turn the next
XZ for Java releases into bundles as well.
> Introduction of XZ breaks OSGi support
> --------------------------------------
>
> Key: COMPRESS-199
> URL: https://issues.apache.org/jira/browse/COMPRESS-199
> Project: Commons Compress
> Issue Type: Bug
> Components: Compressors
> Affects Versions: 1.4.1
> Environment: Windows Vista & RHEL 6.2, Java 1.6.0_33, Equinox
> org.eclipse.osgi_3.7.2.v20120110-1415.jar.
> Reporter: Niklas Gertoft
> Labels: osgi
>
> The introduction of XZ seems to break the OSGi support for the compress
> bundle.
> The XZ component doesn't seem to be included or referred to (dependency).
> !ENTRY org.apache.commons.compress 4 0 2012-08-20 17:06:19.339
> !MESSAGE FrameworkEvent ERROR
> !STACK 0
> org.osgi.framework.BundleException: The bundle
> "org.apache.commons.compress_1.4.1 [20]" could not be resolved. Reason:
> Missing Constraint: Import-Package: org.tukaani.xz; version="0.0.0"
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.getResolverError(AbstractBundle.java:1327)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.getResolutionFailureException(AbstractBundle.java:1311)
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:323)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:389)
> at
> org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1131)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
> Included in my project by maven and
> <dependency>
> <groupId>org.apache.commons</groupId>
> <artifactId>commons-compress</artifactId>
> <version>1.4.1</version>
> </dependency>
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