NPE in assertMinScrAnnotationArtifactVersion when checking min. version of
annotations dependency
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Key: FELIX-2681
URL: https://issues.apache.org/jira/browse/FELIX-2681
Project: Felix
Issue Type: Bug
Components: Maven SCR Plugin
Affects Versions: maven-scr-plugin-1.6.0
Environment: windows 7 64bit
Reporter: Stefan Seifert
Fix For: maven-scr-plugin-1.6.0
i tested the scr plugin 1.6.0 from the staging repository:
https://repository.apache.org/content/repositories/orgapachefelix-010/
with a complex project consisting of mutliple osgi bundles and custom
annotation tag providers.
compiling this set of maven projects/osgi bundles fails with this stackstrace:
java.lang.NullPointerException
at
org.apache.maven.artifact.DefaultArtifact.getSelectedVersion(DefaultArtifact.java:621)
at
org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.assertMinScrAnnotationArtifactVersion(SCRDescriptorMojo.java:249)
at
org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.getClassPath(SCRDescriptorMojo.java:216)
at
org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:167)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
the annotations dependeny is declared like this:
<dependency>
<groupId>org.apache.felix</groupId>
<artifactId>org.apache.felix.scr.annotations</artifactId>
<version>1.4.0</version>
<scope>compile</scope>
</dependency>
debugging shows that the "versionrange" member variable of the artifact is null.
if i change the version declaration to
<version>[1.4.0,)</version>
the stacktrace changes:
java.lang.NullPointerException
at
org.apache.maven.artifact.versioning.DefaultArtifactVersion.compareTo(DefaultArtifactVersion.java:54)
at
org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.assertMinScrAnnotationArtifactVersion(SCRDescriptorMojo.java:250)
at
org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.getClassPath(SCRDescriptorMojo.java:216)
at
org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:167)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
because the value returned by getSelectedVersion() is null.
please note: the annotation depency is not declared in the project that fails
to compile, but in a project the failing project depends upon (transitive
dependency).
looking on the documentation of the Artifact interface i'm not sure if the
getSelectedVersion() method is really intended to be used by plugins.
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