Hi all,
I'm building a web app as OSGi bundle (web bundle), so I use both the OSGi
and war plugins. Both Gradle 0.9.2 and 1.0-milestone-1 fail to build the
war's MANIFEST.MF when called like this:
war {
manifest = osgiManifest {
instruction 'Web-ContextPath', '/'
instruction 'Import-Package', '*'
}
}
* What went wrong:
Could not copy MANIFEST.MF to
'/Users/wolfgang/dev/workspaces/grails/gradle-web-bundle/build/tmp/war/MANIFEST.MF'.
* Exception is:
org.gradle.api.GradleException: Could not copy MANIFEST.MF to
'/Users/wolfgang/dev/workspaces/grails/gradle-web-bundle/build/tmp/war/MANIFEST.MF'.
at
org.gradle.api.internal.file.AbstractFileTreeElement.copyTo(AbstractFileTreeElement.java:65)
at
org.gradle.api.internal.file.MapFileTree$FileVisitDetailsImpl.getFile(MapFileTree.java:125)
...[snip]...
Caused by: java.lang.NullPointerException
at aQute.lib.osgi.Jar.getName(Jar.java:65)
at aQute.lib.osgi.Jar.(Jar.java:55)
at aQute.lib.osgi.Analyzer.setJar(Analyzer.java:699)
at
org.gradle.api.internal.plugins.osgi.DefaultOsgiManifest.setAnalyzerProperties(DefaultOsgiManifest.java:90)
at
org.gradle.api.internal.plugins.osgi.DefaultOsgiManifest.getEffectiveManifest(DefaultOsgiManifest.java:64)
at
org.gradle.api.java.archives.internal.DefaultManifest.writeTo(DefaultManifest.java:152)
at
org.gradle.api.java.archives.internal.DefaultManifest.writeTo(DefaultManifest.java:36)
at org.gradle.api.java.archives.Manifest$writeTo.call(Unknown Source)
at
org.gradle.api.tasks.bundling.Jar$_closure1_closure3.doCall(Jar.groovy:47)
at
org.gradle.api.internal.file.MapFileTree$FileVisitDetailsImpl.copyTo(MapFileTree.java:143)
at
org.gradle.api.internal.file.AbstractFileTreeElement.copyFile(AbstractFileTreeElement.java:72)
at
org.gradle.api.internal.file.AbstractFileTreeElement.copyTo(AbstractFileTreeElement.java:60)
... 40 more
BUILD FAILED
Total time: 1.613 secs
When looking into Bnd's and Gradle's code it seems, that
DefaultOsgiManifest's classesDir is not set, so Bnd fails when to analyze
the class files. (see DefaultOsgiManifest#setAnalyzerProperties() at
https://github.com/gradle/gradle/blob/master/subprojects/osgi/src/main/groovy/org/gradle/api/internal/plugins/osgi/DefaultOsgiManifest.java#L90)
If I don't use the OSGi plugin at this place, it works:
war {
manifest {
attributes ('Bundle-SymbolicName': baseName, 'Bundle-Version':
version,
'Web-ContextPath': '/')
}
}
But obviously I have to set all bundle headers myself.
Using the same code for a bundle (jar file) works without problems:
jar {
manifest {
instruction 'Web-ContextPath', '/'
instruction 'Import-Package', '*'
}
}
So basically it seems that a call to DefaultOsgiManifest#setClassesDir() is
omitted, maybe because a web app's classes are located at a different
location as a normal jar.
I posted an example project at
https://github.com/jetztgradnet/gradle-web-bundle.
For my simple test case I can live with the workaround, as I don't need Bnd
to calculate imports or exports, but for real web bundles, this is a
problems that needs to be resolved. Should I create a JIRA?
Thanks for the wonderful Gradle and your valuable time,
Wolfgang
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