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alibaba/java-dns-cache-manipulator

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library/src/main/java/com/alibaba/dcm/DnsCacheManipulator.java

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Use classes from the Java API instead of Sun classes.
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import sun.net.InetAddressCachePolicy;
Severity: Major
Found in library/src/main/java/com/alibaba/dcm/DnsCacheManipulator.java by sonar-java

Classes in the sun.* or com.sun.* packages are considered implementation details, and are not part of the Java API.

They can cause problems when moving to new versions of Java because there is no backwards compatibility guarantee. Similarly, they can cause problems when moving to a different Java vendor, such as OpenJDK.

Such classes are almost always wrapped by Java API classes that should be used instead.

Noncompliant Code Example

import com.sun.jna.Native;     // Noncompliant
import sun.misc.BASE64Encoder; // Noncompliant

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