我遇到了一些麻烦,运行一个简单的主程序与番石榴库。与ASM字节码检测功能不兼容的参数
我已经仪表类使用我的代码从这里获取方法的参数:Java method parameters values in ASM
的问题是,虽然该代码适用于小型项目(河内又名塔),与番石榴我有错误,例外。
特别地,测试Joiner.join方法时,我有这样的错误:
Exception in thread "Jalen Agent" java.lang.VerifyError: (class: com/google/common/base/Joiner, method: withKeyValueSeparator signature: (Ljava/lang/String;)Lcom/google/common/base/Joiner$MapJoiner;) Incompatible argument to function
at Main.joinBench(Main.java:42)
at Main.main(Main.java:20)
并采用-noverify运行示例的情况下,我有一个例外:
Exception in thread "Jalen Agent" java.lang.ArrayIndexOutOfBoundsException: 1
at com.google.common.base.Joiner.<init>(Joiner.java)
at com.google.common.base.Joiner.on(Joiner.java:71)
at Main.joinBench(Main.java:42)
at Main.main(Main.java:20)
字节码的方法是一致的:
public static com.google.common.base.Joiner on(java.lang.String);
Code:
0: bipush 1
2: anewarray #4 // class java/lang/Object
5: astore_1
6: aload_1
7: bipush 0
9: aload_0
10: aastore
11: ldc #20 // int 369
13: ldc #21 // String com/google/common/base/Joiner
15: ldc #22 // String on
17: aload_1
18: invokestatic #28 // Method jalen/MethodStats.onMethodEntry:(ILjava/lang/String;Ljava/lang/String;[Ljava/lang/Object;)V
21: new #2 // class com/google/common/base/Joiner
24: dup
25: aload_0
26: invokespecial #32 // Method "<init>":(Ljava/lang/String;)V
29: ldc #20 // int 369
31: invokestatic #36 // Method jalen/MethodStats.onMethodExit:(I)V
34: areturn
我知道错误可能与图书馆有关ies版本,但主要的java程序是针对检测过的库编译的,并使用库的同一个罐子运行。
为什么会发生这种情况的任何想法?以及如何解决?
谢谢:)
编辑
这里有方法withKeyValueSeparator的字节码前和后插
原始字节码:
public com.google.common.base.Joiner$MapJoiner withKeyValueSeparator(java.lang.String);
Code:
0: new #33 // class com/google/common/base/Joiner$MapJoiner
3: dup
4: aload_0
5: aload_1
6: aconst_null
7: invokespecial #34 // Method com/google/common/base/Joiner$MapJoiner."<init>":(Lcom/google/common/base/Joiner;Ljava/lang/String;Lcom/google/common/base/Joiner$1;)V
10: areturn
仪器化的字节码:
public com.google.common.base.Joiner$MapJoiner withKeyValueSeparator(java.lang.String);
Code:
0: bipush 1
2: anewarray #4 // class java/lang/Object
5: astore_1
6: aload_1
7: bipush 1
9: aload_1
10: aastore
11: ldc #199 // int 390
13: ldc #21 // String com/google/common/base/Joiner
15: ldc #200 // String withKeyValueSeparator
17: aload_1
18: invokestatic #28 // Method jalen/MethodStats.onMethodEntry:(ILjava/lang/String;Ljava/lang/String;[Ljava/lang/Object;)V
21: new #8 // class com/google/common/base/Joiner$MapJoiner
24: dup
25: aload_0
26: aload_1
27: aconst_null
28: invokespecial #203 // Method com/google/common/base/Joiner$MapJoiner."<init>":(Lcom/google/common/base/Joiner;Ljava/lang/String;Lcom/google/common/base/Joiner$1;)V
31: ldc #199 // int 390
33: invokestatic #36 // Method jalen/MethodStats.onMethodExit:(I)V
36: areturn
下面是木匠类的完整的字节码:
原文:http://pastebin.com/VsccVX18
仪表:http://pastebin.com/xtke1a8y
难道你'-v'标志添加到您的'javap'命令?前者打印一些其他有用的信息,可以帮助。 – Xyene