ALERT: java/lang/ClassFormatError: Bad version information.-优快云博客

本文介绍了解决J2ME在EclipseME环境下遇到的ClassFormatError错误的方法，指出需要将Eclipse的Java编译版本设置为1.3或1.4，以确保与J2ME兼容。

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Running with storage root DefaultColorPhone
Running with locale: Chinese_People's Republic of China.936
Method............: 10221664 'com/sun/midp/midlet/MIDletState.createMIDlet (static)'
Stack Chunk.......: 22700ac
Frame Pointer.....: 2270104
Current IP........: 10327513 = 103274f6 + offset 29
Previous Frame....: 22700cc
Previous IP.......: 103bb579 (offset 22)
Frame size........: 7 (1 arguments, 6 local variables)
Argument[0].......: 22708c4
Local[1]..........: 0
Local[2]..........: 23f0910
Local[3]..........: 227fc0c
Local[4]..........: 23f0924
Local[5]..........: 10263184
Local[6]..........: 23f08f0
Operand[1]........: 22708c4

Method............: 10283b04 'com/sun/midp/midlet/Selector.run (virtual)'
Stack Chunk.......: 22700ac
Frame Pointer.....: 22700cc
Current IP........: 103bb579 = 103bb563 + offset 22
Previous Frame....: 0
Previous IP.......: 1
Frame size........: 6 (1 arguments, 5 local variables)
Argument[0].......: 2270a50
Local[1]..........: 227fce8
Local[2]..........: 22708c4
Local[3]..........: 0
Local[4]..........: 0
Local[5]..........: 0
Operand[1]........: 227fce8

VM status:
Instruction pointer.: 10327513 (offset within invoking method: 29)
Next instruction....: 0x4c
Frame pointer.......: 2270104
Local pointer.......: 22700e8
Stack size..........: 128; sp: 227011c; ranges: 22700b4-22702b4;
Contents of the current stack frame:
    22700e8: 22708c4 (lp)
    22700ec: 0
    22700f0: 23f0910
    22700f4: 227fc0c
    22700f8: 23f0924
    22700fc: 10263184
    2270100: 23f08f0
    2270104: 22700cc (fp)
    2270108: 103bb579
    227010c: 22700e4
    2270110: 10221664
    2270114: 22700ac
    2270118: 0 (end of frame)
    227011c: 22708c4 (sp)
Execution stack contains 108 items:
2270a50
227fce8
22708c4
0
0
0
0
1
23f08f4
10283b04
22700ac
0
227fce8
22708c4
0
23f0910
227fc0c
23f0924
10263184
23f08f0
22700cc
103bb579
22700e4
10221664
22700ac
0
22708c4

Execution completed.
ALERT: java/lang/ClassFormatError: Bad version information.
3374130 bytecodes executed
191 thread switches
1647 classes in the system (including system classes)
17419 dynamic objects allocated (520428 bytes)
2 garbage collections (453288 bytes collected)
Execution completed.
3374130 bytecodes executed
191 thread switches
1647 classes in the system (including system classes)
17419 dynamic objects allocated (520428 bytes)
2 garbage collections (453288 bytes collected)