[rules-users] NullPointerException when deploying drools-core-5.4.0.Final (OSGi)

[Nicholas Hemley]

Hello,

I have the following error deploying drools-core-5.4.0.Final to ServiceMix 4.4.x

The error is as follows:
java.lang.NullPointerException
                at org.apache.felix.framework.resolver.ResolverImpl.toStringBlame(ResolverImpl.java:1521)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.resolver.ResolverImpl.checkPackageSpaceConsistency(ResolverImpl.java:860)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.resolver.ResolverImpl.resolve(ResolverImpl.java:130)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.Felix$StatefulResolver.resolve(Felix.java:4129)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.Felix.resolveBundle(Felix.java:3459)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.Felix.startBundle(Felix.java:1739)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:927)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:914)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
                at org.apache.karaf.shell.osgi.InstallBundle.doExecute(InstallBundle.java:54)[24:org.apache.karaf.shell.osgi:2.2.2.fuse-06-03]
                at org.apache.karaf.shell.console.OsgiCommandSupport.execute(OsgiCommandSupport.java:38)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:35)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:78)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:474)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:400)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
                at org.apache.karaf.shell.console.jline.Console.run(Console.java:240)[26:org.apache.karaf.shell.console:2.2.2.fuse-06-03]
All the necessary bundle dependencies are installed ok.

How do I fix this please?

Cheerio,
Nic

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