java.lang.NoSuchMethodError: org.apache.bcel.Repository.getRepository()Lorg/apache/bcel/util/Repository;
   at edu.umd.cs.findbugs.ba.AnalysisContext.<clinit>(AnalysisContext.java:127)
   at edu.umd.cs.findbugs.PluginLoader.init(PluginLoader.java:771)
   at edu.umd.cs.findbugs.PluginLoader.<init>(PluginLoader.java:280)
   at edu.umd.cs.findbugs.PluginLoader.loadCorePlugin(PluginLoader.java:1304)
   at edu.umd.cs.findbugs.PluginLoader.loadInitialPlugins(PluginLoader.java:1259)
   at edu.umd.cs.findbugs.PluginLoader.<clinit>(PluginLoader.java:146)
   at edu.umd.cs.findbugs.DetectorFactoryCollection.getCoreResource(DetectorFactoryCollection.java:360)
   at edu.umd.cs.findbugs.SystemProperties.loadPropertiesFromConfigFile(SystemProperties.java:72)
   at edu.umd.cs.findbugs.SystemProperties.<clinit>(SystemProperties.java:55)
   at edu.umd.cs.findbugs.DetectorFactoryCollection.<clinit>(DetectorFactoryCollection.java:63)
   at org.netbeans.modules.findbugs.DetectorCollectionProvider.clearRegisteredPlugins(DetectorCollectionProvider.java:140)
   at org.netbeans.modules.findbugs.DetectorCollectionProvider.initializeDetectorFactoryCollection(DetectorCollectionProvider.java:70)
   at org.netbeans.modules.findbugs.Installer.writeKeywords(Installer.java:72)
   at org.netbeans.modules.findbugs.Installer.restored(Installer.java:62)
   at org.netbeans.core.startup.NbInstaller.loadCode(NbInstaller.java:471)
   at org.netbeans.core.startup.NbInstaller.loadImpl(NbInstaller.java:394)
   at org.netbeans.core.startup.NbInstaller.access$000(NbInstaller.java:105)
   at org.netbeans.core.startup.NbInstaller$1.run(NbInstaller.java:346)
   at org.openide.filesystems.FileUtil$2.run(FileUtil.java:447)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:609)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:431)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:451)
   at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:343)
   at org.netbeans.ModuleManager.enable(ModuleManager.java:1194)
   at org.netbeans.ModuleManager.enable(ModuleManager.java:1017)
   at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:340)
   at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:276)
   at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:301)
   at org.netbeans.core.startup.Main.getModuleSystem(Main.java:181)
   at org.netbeans.core.startup.Main.getModuleSystem(Main.java:150)
   at org.netbeans.core.startup.Main.start(Main.java:307)
   at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:123)
   at java.lang.Thread.run(Thread.java:744)