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为什么在eclipse中调试jdk库,我看不到局部变量值?

[英]Why debugging jdk libraries in eclipse, I can't see local variables values?

The problem is that while debugging java library classes, eg HashSet functions I cant see local variables. 问题是在调试java库类时,例如HashSet函数,我看不到局部变量。 On variables tab I can only see function parameters and this 's fields. variables选项卡上,我只能看到函数参数和这个字段。 When I'm trying to add local variable to watch , eclipse says: "errors during evaluation". 当我试图添加局部变量来watch ,eclipse说:“评估期间的错误”。

So my question is why does this happens? 所以我的问题是为什么会发生这种情况? And how can I see those local variables values? 我怎样才能看到那些局部变量值?

Long story short, JDK distributions aren't compiled with debug information. 简而言之,JDK发行版不会使用调试信息进行编译。

Check the answers to these questions: 检查这些问题的答案:

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