B4J Question Desugar problem

[sadeq.hitex]

Im trying to desugar an aar library to fix this problem :

Uncaught translation error: com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.RuntimeException: Translation has been interrupted
    at com.android.dx.command.dexer.Main.processAllFiles(Main.java:692)
    at com.android.dx.command.dexer.Main.runMultiDex(Main.java:366)
    at com.android.dx.command.dexer.Main.runDx(Main.java:291)
    at com.android.dx.command.dexer.Main.main(Main.java:249)
    at com.android.dx.command.Main.main(Main.java:94)
Caused by: java.lang.InterruptedException: Too many errors
    at com.android.dx.command.dexer.Main.processAllFiles(Main.java:684)
    ... 4 more

I put the 'aar' file in the folder where that 'Desugar_deploy.jar' is located.

the error is :

extract
merge
desugar
Exception in thread "main" java.lang.IllegalStateException: Expected a load for Lcom/batch/android/BatchTagCollectionsFetchListener; to set up parameter 2 for com/batch/android/a0$$Lambda$0 but got -1
    at com.google.common.base.Preconditions.checkState(Preconditions.java:862)
    at com.google.devtools.build.android.desugar.LambdaDesugaring$InvokedynamicRewriter.attemptAllocationBeforeArgumentLoads(LambdaDesugaring.java:543)
    at com.google.devtools.build.android.desugar.LambdaDesugaring$InvokedynamicRewriter.visitInvokeDynamicInsn(LambdaDesugaring.java:427)
    at org.objectweb.asm.ClassReader.readCode(ClassReader.java:2235)
    at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1275)
    at org.objectweb.asm.ClassReader.accept(ClassReader.java:679)
    at org.objectweb.asm.ClassReader.accept(ClassReader.java:391)
    at com.google.devtools.build.android.desugar.Desugar.desugarClassesInInput(Desugar.java:618)
    at com.google.devtools.build.android.desugar.Desugar.desugarOneInput(Desugar.java:449)
    at com.google.devtools.build.android.desugar.Desugar.desugar(Desugar.java:391)
    at com.google.devtools.build.android.desugar.Desugar.main(Desugar.java:974)
1

temp folder and merged.jar created successfully , but errors not fixed.

 

[Erel]

You are posting in B4J forum.

 

[sadeq.hitex]

Sorry but my error occurred in b4j

 

[Erel]

You don't really need the B4J code to desugar a single AAR. Extract the dex file and desugar it from the command line.
Are you sure that it is an Android library?

 

[sadeq.hitex]

Yes its Android library.

I thought I should use B4J code :

How should I use command line ?

 

[Erel]

Example: https://www.b4x.com/android/forum/threads/com-android-dx-cf-code-simexception.105738/post-662212

 

[sadeq.hitex]

Thank you for your response , i used command line

java -jar Desugar_deploy.jar --bootclasspath_entry="E:\Android\android\platforms\android-28\android.jar" --input=classes.jar --output=batch.jar

but same error in cmd :

Exception in thread "main" java.lang.IllegalStateException: Expected a load for Lcom/batch/android/BatchTagCollectionsFetchListener; to set up parameter 2 for com/batch/android/a0$$Lambda$0 but got -1
        at com.google.common.base.Preconditions.checkState(Preconditions.java:862)
        at com.google.devtools.build.android.desugar.LambdaDesugaring$InvokedynamicRewriter.attemptAllocationBeforeArgumentLoads(LambdaDesugaring.java:543)
        at com.google.devtools.build.android.desugar.LambdaDesugaring$InvokedynamicRewriter.visitInvokeDynamicInsn(LambdaDesugaring.java:427)
        at org.objectweb.asm.ClassReader.readCode(ClassReader.java:2235)
        at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1275)
        at org.objectweb.asm.ClassReader.accept(ClassReader.java:679)
        at org.objectweb.asm.ClassReader.accept(ClassReader.java:391)
        at com.google.devtools.build.android.desugar.Desugar.desugarClassesInInput(Desugar.java:618)
        at com.google.devtools.build.android.desugar.Desugar.desugarOneInput(Desugar.java:449)
        at com.google.devtools.build.android.desugar.Desugar.desugar(Desugar.java:391)
        at com.google.devtools.build.android.desugar.Desugar.main(Desugar.java:974)

Error is about the lambda
How can I fix it?

 

[Erel]

It means that the library is not compatible with the desugar tool. Might require a new version of the tool. You can try to do it with Android Studio and get the desugarred jar.