[Soot-list] exception in converting jimple to dex using soot

[Jyoti Gajrani]

I have converted a apk file to jimple Intermediate representation using 
soot below command without any error:

*java -Xmx2g -jar soot-trunk.jar soot.Main -w -allow-phantom-refs 
-android-jars 
/home/jyoti/Android/adt-bundle-linux-x86_64-20140702/sdk/platforms/ 
-src-prec apk -f jimple -process-dir Onlytelephony.apk*


Now I want to do reverse. I want to convert jimple files to single apk 
using soot. For this i am using following command:


*java -Xmx2g -jar soot-trunk.jar soot.Main -w -allow-phantom-refs 
-android-jars 
/home/jyoti/Android/adt-bundle-linux-x86_64-20140702/sdk/platforms/ 
-src-prec jimple -f dex -process-dir jimple_Onlytelephony/*

But this command give me exceptions as follows:

[Thread-2] ERROR heros.solver.CountingThreadPoolExecutor - Worker thread 
execution failed: null java.lang.NullPointerException at 
soot.toolkits.graph.UnitGraph.(UnitGraph.java:76) at 
soot.toolkits.graph.ExceptionalUnitGraph.(ExceptionalUnitGraph.java:158) at 
soot.jimple.toolkits.scalar.UnreachableCodeEliminator.internalTransform(UnreachableCodeEliminator.java:79) 
at soot.BodyTransformer.transform(BodyTransformer.java:51) at 
soot.Transform.apply(Transform.java:105) at 
soot.JimpleBodyPack.applyPhaseOptions(JimpleBodyPack.java:61) at 
soot.JimpleBodyPack.internalApply(JimpleBodyPack.java:95) at 
soot.Pack.apply(Pack.java:125) at 
soot.jimple.JimpleMethodSource.getBody(JimpleMethodSource.java:49) at 
soot.SootMethod.getBodyFromMethodSource(SootMethod.java:91) at 
soot.SootMethod.retrieveActiveBody(SootMethod.java:322) at 
soot.PackManager$3.run(PackManager.java:1223) at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
at java.lang.Thread.run(Thread.java:745) 
java.util.concurrent.RejectedExecutionException: Task 
soot.PackManager$3 at 2e5e3fd3 rejected from 
heros.solver.CountingThreadPoolExecutor at 2db04d6d[Shutting down, pool size = 
3, active threads = 3, queued tasks = 0, completed tasks = 3] at 
java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2048) 
at 
java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821) 
at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372) 
at 
heros.solver.CountingThreadPoolExecutor.execute(CountingThreadPoolExecutor.java:51) 
at soot.PackManager.retrieveAllBodies(PackManager.java:1219) at 
soot.PackManager.runPacksNormally(PackManager.java:463) at 
soot.PackManager.runPacks(PackManager.java:396) at 
soot.Main.run(Main.java:271) at soot.Main.main(Main.java:147)

How can I convert Jimple to dex using soot?
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