fastjson在jdk 17下抛出InaccessibleObjectException: module java.base does not "opens java.lang" to unnamed module

[hengyunabc]

复现办法：

• 使用jdk 17执行 math-game.jar，再使用arthas attach
• arthas执行options json-format true, watch demo.MathGame primeFactors throwExp

$ watch demo.MathGame primeFactors throwExp
Press Q or Ctrl+C to abort.
Affect(class count: 1 , method count: 1) cost in 59 ms, listenerId: 1
method=demo.MathGame.primeFactors location=AtExit
ts=2022-04-18 16:41:14; [cost=1.021625ms] result=null
method=demo.MathGame.primeFactors location=AtExit
ts=2022-04-18 16:41:15; [cost=1.561958ms] result=null
method=demo.MathGame.primeFactors location=AtExceptionExit
ts=2022-04-18 16:41:16; [cost=0.104583ms] result=ERROR DATA!!! object class: class java.lang.IllegalArgumentException, exception class: class java.lang.reflect.InaccessibleObjectException, exception message: Unable to make field private java.lang.Throwable java.lang.Throwable.cause accessible: module java.base does not "opens java.lang" to unnamed module @3a7a1e73

• HTTP Api return Sever Error for stack command, InaccessibleObjectException: accessible: module java.base does not "opens java.lang" to unnamed module #2151

[hengyunabc]

在这个commit里修复： hengyunabc/fastjson@c04ceb9
暂时arthas自己发一个修复版本的fastjson。