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https://issues.apache.org/jira/browse/KARAF-3514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14491523#comment-14491523
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Jamie goodyear commented on KARAF-3514:
---------------------------------------
The NPE will only occur if lock.level >4, while using updated framework feature
template.
If you reboot karaf instance, then it will work as expected. Some occurs during
first boot, that is corrected for subsequent boots.
Given that on 'blessed' instances the lock.level appears to work, then our
attention should focus upon the initial first boot.
> RuntimeException when setting system.properties --> karaf.lock.level to a
> value greater 4 and starting Karaf
> -------------------------------------------------------------------------------------------------------------
>
> Key: KARAF-3514
> URL: https://issues.apache.org/jira/browse/KARAF-3514
> Project: Karaf
> Issue Type: Bug
> Affects Versions: 3.0.0, 3.0.1, 3.0.2, 3.0.3
> Environment: - Windows 7 64 bit
> - Java 1.7.0_67
> Reporter: Johannes
> Assignee: Jamie goodyear
> Fix For: 3.0.4
>
>
> download the Karaf 3.0.3 distribution:
> http://karaf.apache.org/index/community/download.html#Karaf3.0.3
> and add the following property+value:
> karaf.lock.level=50 to the system.properties
> starting Karaf results in the following error:
> org.apache.karaf.main.Main launch
> Installing and starting initial bundles
> org.apache.karaf.main.Main main
> Could not launch framework
> java.lang.RuntimeException: Error installing bundle listed in
> startup.properties with url: mvn:org.ops4j.pax.url/pax-url-aether/2.3.0 and
> startlevel: 5
> at org.apache.karaf.main.Main.installAndStartBundles(Main.java:392)
> at org.apache.karaf.main.Main.launch(Main.java:245)
> at org.apache.karaf.main.Main.main(Main.java:167)
> Caused by: org.osgi.framework.BundleException: Unresolved constraint in
> bundle org.ops4j.pax.url.mvn [1]: Unable to resolve 1.0: missing requirement
> [1.0] osgi.wiring.package;
> (&(osgi.wiring.package=org.slf4j)(version>=1.6.0)(!(version>=2.0.0)))
> at
> org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3974)
> at org.apache.felix.framework.Felix.startBundle(Felix.java:2037)
> at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:955)
> at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:942)
> at org.apache.karaf.main.Main.installAndStartBundles(Main.java:389)
> ... 2 more
> - Works with Karaf 2.3.3.
> The same happens when configuring any Failover-Mechanism and adding
> karaf.lock.level=50 described here:
> http://karaf.apache.org/manual/latest/users-guide/failover.html
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