alibaba / alibaba/java-dns-cache-manipulator
child class java.net.InetAddress$NameServiceAddresses for class InetAddress.Addresses should never happens
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Description
相同的服务运行在多台服务器上，其中有个别服务器偶现报错：
```java
Caused by: java.lang.IllegalStateException: child class java.net.InetAddress$NameServiceAddresses for class InetAddress.Addresses should never happens, report issue for dns-cache-manipulator lib!
at com.alibaba.dcm.internal.InetAddressCacheUtilForNew.inetAddress$Addresses2DnsCacheEntry(InetAddressCacheUtilForNew.java:243)
at com.alibaba.dcm.internal.InetAddressCacheUtilForNew.getInetAddressCache(InetAddressCacheUtilForNew.java:203)
at com.alibaba.dcm.DnsCacheManipulator.getDnsCache(DnsCacheManipulator.java:156)
... 63 more
```
版本：1.8.0
环境信息：jdk8，amd
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