Errors in deobfuscation

[Wetitpig]

There is an error in deobfuscating this file:
Deobfuscation failed. Please open a ticket on GitHub and provide the following error: java.lang.NullPointerException at com.javadeobfuscator.deobfuscator.analyzer.MethodAnalyzer.execute(MethodAnalyzer.java:419) at com.javadeobfuscator.deobfuscator.analyzer.MethodAnalyzer.execute(MethodAnalyzer.java:1022) at com.javadeobfuscator.deobfuscator.analyzer.MethodAnalyzer.execute(MethodAnalyzer.java:1022) at com.javadeobfuscator.deobfuscator.analyzer.MethodAnalyzer.execute(MethodAnalyzer.java:1036) at com.javadeobfuscator.deobfuscator.analyzer.MethodAnalyzer.execute(MethodAnalyzer.java:1036) at com.javadeobfuscator.deobfuscator.analyzer.MethodAnalyzer.analyze(MethodAnalyzer.java:277) at com.javadeobfuscator.deobfuscator.transformers.general.peephole.ConstantFolder.lambda$null$2(ConstantFolder.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at com.javadeobfuscator.deobfuscator.transformers.general.peephole.ConstantFolder.lambda$transform$3(ConstantFolder.java:39) at java.util.HashMap$Values.forEach(HashMap.java:981) at com.javadeobfuscator.deobfuscator.transformers.general.peephole.ConstantFolder.transform(ConstantFolder.java:38) at com.javadeobfuscator.deobfuscator.Deobfuscator.runFromConfig(Deobfuscator.java:328) at com.javadeobfuscator.deobfuscator.Deobfuscator.start(Deobfuscator.java:285) at com.javadeobfuscator.deobfuscator.DeobfuscatorMain.run(DeobfuscatorMain.java:120) at com.javadeobfuscator.deobfuscator.DeobfuscatorMain.run(DeobfuscatorMain.java:113) at com.javadeobfuscator.deobfuscator.DeobfuscatorMain.main(DeobfuscatorMain.java:50)

COnfig:
input: ../classes-1.jar
path:
- ../android.jar
- ../com.google.anroid.maps.jar
- ../org.apache.http.legacy.jar
output: ../classes-2.jar
transformers:
- general.peephole.ConstantFolder
- general.peephole.GotoRearranger
- general.peephole.UnconditionalSwitchRemover
- general.peephole.RedundantTrapRemover
- general.peephole.PeepholeOptimizer
- general.peephole.TrapHandlerMerger
- general.peephole.DeadCodeRemover
- general.peephole.LdcSwapInvokeSwapPopRemover
- general.removers.IllegalSignatureRemover
- general.removers.IllegalVarargsRemover
- general.removers.LineNumberRemover
- general.removers.LocalVariableRemover
- general.removers.SyntheticBridgeRemover

What has happened? Thanks

[Janmm14]

Side note: The peepholeoptimizer does call all other peephole transformers.

[Wetitpig]

So are there similar rules for optimizers in normalize or general/removers? Thanks!

[Janmm14]

Nope.

[ThisTestUser]

Your file was originally an android file, and when it was converted into a jar file it got corrupted.

[Wetitpig]

But I only received this error when deobfuscating the already deobfuscated jar. (i.e. a second round of deobfuscation).

[ThisTestUser]

Well, why are you using the peephole normalizers? They won't help if there's no flow obfuscation.

[Wetitpig]

I don't know what deobfuscators to use. The detect function shows nothing in deobfuscator choice.

[ThisTestUser]

There isn't anything to deobfuscate. The buggy code in the decompiler is caused by the Android's compiler being different from Java's, which makes some of the code undecompilable when you use dex2jar or similar on it.

[Wetitpig]

But the dedexifier showed no errors in changing from dex to jar.

[Wetitpig]

So u mean the code is originally written in smali?

[ThisTestUser]

Well, the JAR you gave isn't obfuscated anymore.

[Wetitpig]

This is the deobfuscated version already...

[Wetitpig]

I mean the description said that layering obfuscation is possible, so I want to see if I can deobfuscate once more...

[ThisTestUser]

Actually, peephole transformers don't work well with converted JAR files, so the version you gave is the most deobfuscated it can get. (since there isn't obfuscation left)

[Wetitpig]

So what transformer can the converted jar work with?