1、JDK版本问题

Error:java.lang.VerifyError: Uninitialized object exists on backward branch
Exception Details:
  Location:
    scala/collection/immutable/HashMap$HashTrieMap.split()Lscala/collection/immutable/Seq; @: goto
  Reason:
    Error exists in the bytecode
  Bytecode:
    0x0000000: 2ab6  04a0 001e b200 c1b2 00c6 04bd
    0x0000010:   2a53 c000 c8b6 00cc b600 d0c0
    0x0000020: 00d2 b02a b600 38b8  3c1b 04a4
    0x0000030: 1b05 6c3d 2a1b 056c 2ab6  b700 d43e
    0x0000040: 2ab6  021d 787e  2ab6
    0x0000050: 201d 647c 7e36 05bb  59b2 00c6 2ab6
    0x0000060: 003a c000 c8b6 00d8 b700 db1c b600 df3a
    0x0000070:  06c6 001a  b600 e3c0 008b 3a07
    0x0000080:  b600 e6c0 008b 3a08 a700 0dbb 00e8
    0x0000090:  06b7 00eb bf19 073a  083a 0abb
    0x00000a0:    09bb  59b2 00c6
    0x00000b0: c000 c8b6 00d8 b700 db03 b800 f13a 0e3a
    0x00000c0: 0d03 190d b900 f501  0e3a
    0x00000d0: 0f15 0f15 109f  150f   190d
    0x00000e0: 150f b900 f802 00c0  3a17
    0x00000f0: b800 fc3a   0fa7 ffd8  b801
    0x0000100: 00b7  3a0b bb00   190a bb00
    0x0000110:  b200 c619 0ac0 00c8 b600 d8b7 00db
    0x0000120: 03b8 00f1 3a13 3a12  12b9 00f5
    0x0000130:  3a16     9f00
    0x0000140:     14b9 00f8  c000
    0x0000150: 053a   18b8  3a16
    0x0000160: a7ff d819 16b8  b700 693a 0cbb
    0x0000170:  0bbb   0cb2 010a b701 0db7
    0x0000180: 010d b02a b600 3a03 32b6 010f b0
  Stackmap Table:
    same_frame(@)
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#]},{})
    append_frame(@,Object[#],Object[#])
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Top,Top,Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Top,Top,Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Object[#],Top,Object[#],Object[#],Integer,Integer,Object[#],Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Object[#],Top,Object[#],Object[#],Integer,Integer,Object[#],Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer},{})
: Uninitialized object exists on backward branch
Exception Details:
  Location:
    scala/collection/immutable/HashMap$HashTrieMap.split()Lscala/collection/immutable/Seq; @: goto
  Reason:
    Error exists in the bytecode
  Bytecode:
    0x0000000: 2ab6  04a0 001e b200 c1b2 00c6 04bd
    0x0000010:   2a53 c000 c8b6 00cc b600 d0c0
    0x0000020: 00d2 b02a b600 38b8  3c1b 04a4
    0x0000030: 1b05 6c3d 2a1b 056c 2ab6  b700 d43e
    0x0000040: 2ab6  021d 787e  2ab6
    0x0000050: 201d 647c 7e36 05bb  59b2 00c6 2ab6
    0x0000060: 003a c000 c8b6 00d8 b700 db1c b600 df3a
    0x0000070:  06c6 001a  b600 e3c0 008b 3a07
    0x0000080:  b600 e6c0 008b 3a08 a700 0dbb 00e8
    0x0000090:  06b7 00eb bf19 073a  083a 0abb
    0x00000a0:    09bb  59b2 00c6
    0x00000b0: c000 c8b6 00d8 b700 db03 b800 f13a 0e3a
    0x00000c0: 0d03 190d b900 f501  0e3a
    0x00000d0: 0f15 0f15 109f  150f   190d
    0x00000e0: 150f b900 f802 00c0  3a17
    0x00000f0: b800 fc3a   0fa7 ffd8  b801
    0x0000100: 00b7  3a0b bb00   190a bb00
    0x0000110:  b200 c619 0ac0 00c8 b600 d8b7 00db
    0x0000120: 03b8 00f1 3a13 3a12  12b9 00f5
    0x0000130:  3a16     9f00
    0x0000140:     14b9 00f8  c000
    0x0000150: 053a   18b8  3a16
    0x0000160: a7ff d819 16b8  b700 693a 0cbb
    0x0000170:  0bbb   0cb2 010a b701 0db7
    0x0000180: 010d b02a b600 3a03 32b6 010f b0
  Stackmap Table:
    same_frame(@)
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#]},{})
    append_frame(@,Object[#],Object[#])
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Top,Top,Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Top,Top,Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Object[#],Top,Object[#],Object[#],Integer,Integer,Object[#],Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer,Integer,Integer,Integer,Integer,Object[#],Object[#],Object[#],Object[#],Object[#],Object[#],Top,Object[#],Object[#],Integer,Integer,Object[#],Object[#],Object[#],Integer,Integer,Object[#]},{Uninitialized[#],Uninitialized[#],Integer,Object[#]})
    full_frame(@,{Object[#],Integer},{})

此问题出现的原因是jdk版本问题，调整jdk版本即可。博主原先使用的jdk版本为1.8.0_20，升级后的版本为1.8.0_221。