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DoeClassLoader为什么要破坏双亲委派？ #19

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1995hzczjut opened this issue Sep 15, 2019 · 2 comments
Open

DoeClassLoader为什么要破坏双亲委派？ #19

1995hzczjut opened this issue Sep 15, 2019 · 2 comments

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@1995hzczjut
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@1995hzczjut
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是为了防止自定义的类跟系统已有的类全限定名一样，导致不被加载吗？

@1995hzczjut 1995hzczjut reopened this Sep 15, 2019
@VIPJoey
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VIPJoey commented Sep 19, 2019

是为了防止自定义的类跟系统已有的类全限定名一样，导致不被加载吗？

原因有二
1、有些业务api层设计不合理，包含了些敏感依赖如jackson等，会导致和主程序依赖冲突，所以要做隔离。
2、为了热加载，快速地让引入的jar生效。

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@VIPJoey @1995hzczjut