Github user dbtsai commented on the issue:

    https://github.com/apache/spark/pull/21459
  
    @srowen From the release note,  http://asm.ow2.io/versions.html , the 
differences between 5.2 to 6.0 are
    
    > Codebase migrated to gitlab (feature requests 317617, 317619, 317542)
    Support for modules (JSR 376, feature request 317628)
    Support for JDK specific module attributes (ModuleTarget, ModuleHashes and 
ModuleResolution).
    ASM jars now contain debug info, asm-all jar removed (feature request 
317622)
    Support for removable features deleted (cf SIGNATURES, ANNOTATIONS, etc 
constants in ClassReader)
    bug fixes
    317793: AnalyzerAdapter calculates wrong type for AALOAD in case of null
    317784: NegativeArraySizeException when resizing jump instruction in a 
class without frames
    317780: IllegalArgumentException at CheckMethodAdapter.checkInternalName 
for non-Java-identifier name
    317785: NullPointerException in MethodRemapper with 'chop' stack map frames 
and tree API
    317786: VerifyError when added code pushes the offset of a conditional 
backward jump below -32768
    317791: Invalid class files generated for large methods (regression 
introduced in 5.2)
    317792: Fix the handling of inner classes with EXPAND_ASM_INSNS
    Bug fix related to stack map frames
    
    and the support of JSR 376 is what we need. Thanks.


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