Build failed with findbugs 3.0 / Java 1.8 / Graddle 2.0

I’m trying to apply findbugs plugin to a 1.8 java project with Gradle 2.0. I use findbugs 3.0.0-rc2 which support Java 1.8. I started to add the findbugs jar to my local maven repository, then I specify the tool version like that :

apply plugin: 'findbugs'
  findbugs {
  toolVersion = "3.0.0-rc2"
}

I’ve the following error :

09:29:48.907 [DEBUG] [system.err] 09:29:48.905 [ERROR] [system.err] java.lang.NoClassDefFoundError: org/apache/bcel/classfile/ClassFormatException
09:29:48.969 [DEBUG] [system.err] 09:29:48.907 [ERROR] [system.err]
   at org.gradle.api.plugins.quality.internal.findbugs.FindBugsExecuter.runFindbugs(FindBugsExecuter.java:41)
09:29:48.975 [DEBUG] [system.err] 09:29:48.908 [ERROR] [system.err]
   at org.gradle.api.plugins.quality.internal.findbugs.FindBugsWorkerServer.execute(FindBugsWorkerServer.java:45)
09:29:48.981 [DEBUG] [system.err] 09:29:48.908 [ERROR] [system.err]
   at org.gradle.api.plugins.quality.internal.findbugs.FindBugsWorkerServer.execute(FindBugsWorkerServer.java:35)
09:29:48.986 [DEBUG] [system.err] 09:29:48.909 [ERROR] [system.err]
   at org.gradle.api.plugins.quality.internal.findbugs.FindBugsWorkerServer.execute(FindBugsWorkerServer.java:26)
09:29:48.994 [DEBUG] [system.err] 09:29:48.909 [ERROR] [system.err]
   at org.gradle.process.internal.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:78)
09:29:49.000 [DEBUG] [system.err] 09:29:48.910 [ERROR] [system.err]
   at org.gradle.process.internal.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:35)
09:29:49.004 [DEBUG] [system.err] 09:29:48.910 [ERROR] [system.err]
   at org.gradle.process.internal.child.ImplementationClassLoaderWorker.execute(ImplementationClassLoaderWorker.java:85)
09:29:49.014 [DEBUG] [system.err] 09:29:48.911 [ERROR] [system.err]
   at org.gradle.process.internal.child.ImplementationClassLoaderWorker.execute(ImplementationClassLoaderWorker.java:41)
09:29:49.018 [DEBUG] [system.err] 09:29:48.911 [ERROR] [system.err]
   at org.gradle.process.internal.child.IsolatedApplicationClassLoaderWorker.call(IsolatedApplicationClassLoaderWorker.java:48)
09:29:49.027 [DEBUG] [system.err] 09:29:48.912 [ERROR] [system.err]
   at org.gradle.process.internal.child.IsolatedApplicationClassLoaderWorker.call(IsolatedApplicationClassLoaderWorker.java:30)
09:29:49.033 [DEBUG] [system.err] 09:29:48.912 [ERROR] [system.err]
   at org.gradle.process.internal.launcher.GradleWorkerMain.run(GradleWorkerMain.java:32)
09:29:49.037 [DEBUG] [system.err] 09:29:48.913 [ERROR] [system.err]
   at org.gradle.process.internal.launcher.GradleWorkerMain.main(GradleWorkerMain.java:37)
09:29:49.047 [DEBUG] [system.err] 09:29:48.913 [ERROR] [system.err] Caused by: java.lang.ClassNotFoundException: org.apache.bcel.classfile.ClassFormatException
09:29:49.052 [DEBUG] [system.err] 09:29:48.914 [ERROR] [system.err]
   at java.net.URLClassLoader$1.run(URLClassLoader.java2)7
09:29:49.061 [DEBUG] [system.err] 09:29:48.914 [ERROR] [system.err]
   at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
09:29:49.067 [DEBUG] [system.err] 09:29:48.915 [ERROR] [system.err]
   at java.security.AccessController.doPrivileged(Native Method)
09:29:49.071 [DEBUG] [system.err] 09:29:48.915 [ERROR] [system.err]
   at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
09:29:49.080 [DEBUG] [system.err] 09:29:48.916 [ERROR] [system.err]
   at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
09:29:49.086 [DEBUG] [system.err] 09:29:48.916 [ERROR] [system.err]
   at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
09:29:49.094 [DEBUG] [system.err] 09:29:48.916 [ERROR] [system.err]
   ... 12 more
09:29:48.940 [ERROR] [org.gradle.messaging.remote.internal.hub.MessageHubBackedObjectConnection] Unexpected exception thrown.
org.gradle.messaging.remote.internal.MessageIOException: Could not write message [EndOfStream] to '/127.0.0.1:51354'.
        at org.gradle.messaging.remote.internal.inet.SocketConnection.dispatch(SocketConnection.java:115)
        at org.gradle.messaging.remote.internal.hub.MessageHub$ConnectionDispatch.run(MessageHub.java:279)
        at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Une connexion existante a d¹ Ûtre fermÚe par lÆh¶te distant
        at sun.nio.ch.SocketDispatcher.write0(Native Method)
        at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51)
        at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
        at sun.nio.ch.IOUtil.write(IOUtil.java:51)
        at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:466)
        at org.gradle.messaging.remote.internal.inet.SocketConnection$SocketOutputStream.flush(SocketConnection.java:230)
        at org.gradle.messaging.remote.internal.inet.SocketConnection.dispatch(SocketConnection.java:113)
        ... 5 more
09:29:49.102 [DEBUG] [org.gradle.process.internal.DefaultExecHandle] Changing state to: FAILED
09:29:49.136 [DEBUG] [org.gradle.process.internal.DefaultExecHandle] Process 'Gradle FindBugs Worker 1' finished with exit value 1 (state: FAILED)

How can I add the missing dependency to the findbugs executor?

Have you tried the same with the 3.0.0 final version of findbugs? It solved the bcel dependency problem for me (but ends in another bcel related issue which i described here: http://forums.gradle.org/gradle/topics/finbugs_version_3_0_supporting_java_1_8_does_not_work)

Yes, it works with the final version (3.0.0)!

Thanks