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From "Konrad Windszus (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FELIX-5328) NoClassDefFound not wrapped in the ClassScanner
Date Thu, 18 Aug 2016 15:06:21 GMT

     [ https://issues.apache.org/jira/browse/FELIX-5328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konrad Windszus updated FELIX-5328:
-----------------------------------
    Summary: NoClassDefFound not wrapped in the ClassScanner  (was: NoClassDefFound not handled
in the ClassScanner)

> NoClassDefFound not wrapped in the ClassScanner
> -----------------------------------------------
>
>                 Key: FELIX-5328
>                 URL: https://issues.apache.org/jira/browse/FELIX-5328
>             Project: Felix
>          Issue Type: Bug
>          Components: SCR Tooling
>    Affects Versions: scr generator 1.14.0
>            Reporter: Konrad Windszus
>
> Unfortunately only {{ClassNotFoundException}} is wrapped in https://github.com/apache/felix/blob/trunk/tools/org.apache.felix.scr.generator/src/main/java/org/apache/felix/scrplugin/helper/ClassScanner.java#L148.
Every other exception is not wrapped at all, making it very hard to figure out where an issue
happened.
> An example stack trace of an error might look likes this
> {code}
> [ERROR] Bundle <some bundle : Got unexpected exception while analyzing:java.lang.NoClassDefFoundError:
javax/servlet/jsp/el/VariableResolver
> 	at java.lang.ClassLoader.defineClass1(Native Method)
> 	at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
> 	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> 	at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
> 	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> 	at org.apache.felix.scrplugin.helper.ClassScanner.scanSources(ClassScanner.java:144)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:146)
> 	at org.apache.felix.scrplugin.bnd.SCRDescriptorBndPlugin.analyzeJar(SCRDescriptorBndPlugin.java:178)
> 	at aQute.bnd.osgi.Analyzer.doPlugins(Analyzer.java:656)
> 	at aQute.bnd.osgi.Analyzer.analyze(Analyzer.java:209)
> 	at aQute.bnd.osgi.Builder.analyze(Builder.java:385)
> 	at aQute.bnd.osgi.Analyzer.calcManifest(Analyzer.java:687)
> 	at aQute.bnd.osgi.Builder.build(Builder.java:105)
> 	at org.apache.felix.bundleplugin.BundlePlugin.buildOSGiBundle(BundlePlugin.java:972)
> 	at org.apache.felix.bundleplugin.BundlePlugin.execute(BundlePlugin.java:470)
> 	at org.apache.felix.bundleplugin.BundlePlugin.execute(BundlePlugin.java:387)
> 	at org.apache.felix.bundleplugin.BundlePlugin.execute(BundlePlugin.java:378)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
> 	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
> 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:497)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> Caused by: java.lang.ClassNotFoundException: javax.servlet.jsp.el.VariableResolver
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> {code}
> I would suggest to not only catch {{ClassNotFoundException}} in the {{ClassScanner}}
but basically all {{Throwable's}}



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