max@max-desktop:~$ apktool b '/home/max/android.policy.jar.out' android.policy.jar
I: Checking whether sources has changed...
I: Smaling...
Exception in thread "main" java.lang.NullPointerException
	at org.jf.util.PathUtil.getRelativeFile(Unknown Source)
	at org.jf.smali.smaliFlexLexer.getSourceName(Unknown Source)
	at org.jf.smali.smaliFlexLexer.getErrorHeader(Unknown Source)
	at org.jf.smali.smaliFlexLexer.nextToken(Unknown Source)
	at org.antlr.runtime.CommonTokenStream.fillBuffer(Unknown Source)
	at org.antlr.runtime.CommonTokenStream.LT(Unknown Source)
	at org.jf.smali.smaliParser.smali_file(Unknown Source)
	at brut.androlib.mod.SmaliMod.assembleSmaliFile(Unknown Source)
	at brut.androlib.src.DexFileBuilder.addSmaliFile(Unknown Source)
	at brut.androlib.src.DexFileBuilder.addSmaliFile(Unknown Source)
	at brut.androlib.src.SmaliBuilder.buildFile(Unknown Source)
	at brut.androlib.src.SmaliBuilder.build(Unknown Source)
	at brut.androlib.src.SmaliBuilder.build(Unknown Source)
	at brut.androlib.Androlib.buildSourcesSmali(Unknown Source)
	at brut.androlib.Androlib.buildSources(Unknown Source)
	at brut.androlib.Androlib.build(Unknown Source)
	at brut.androlib.Androlib.build(Unknown Source)
	at brut.apktool.Main.cmdBuild(Unknown Source)
	at brut.apktool.Main.main(Unknown Source)