2013-11-13 15:20:47,224 [7608987]  ERROR - penapi.actionSystem.impl.Utils - update failed for AnAction with ID=ExternalJavaDoc
java.lang.NoClassDefFoundError: Could not initialize class com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl$FileTypeDetectorHolder
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl$3.process(FileTypeManagerImpl.java:407)
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl$3.process(FileTypeManagerImpl.java:394)
	at com.intellij.openapi.util.io.FileUtil.processFirstBytes(FileUtil.java:232)
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.a(FileTypeManagerImpl.java:394)
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.detectFileTypeFromContent(FileTypeManagerImpl.java:349)
	at com.intellij.psi.SingleRootFileViewProvider.a(SingleRootFileViewProvider.java:113)
	at com.intellij.psi.SingleRootFileViewProvider.<init>(SingleRootFileViewProvider.java:81)
	at com.intellij.psi.impl.file.impl.FileManagerImpl.createFileViewProvider(FileManagerImpl.java:203)
	at com.intellij.psi.impl.file.impl.FileManagerImpl.findViewProvider(FileManagerImpl.java:159)
	at com.intellij.psi.impl.file.impl.FileManagerImpl.findFile(FileManagerImpl.java:329)
	at com.intellij.psi.impl.PsiManagerImpl.findFile(PsiManagerImpl.java:182)
	at com.intellij.psi.impl.file.PsiDirectoryImpl.getFiles(PsiDirectoryImpl.java:190)