`com.sun.net.httpserver.HttpServer::createContext` specifies `IllegalArgumentException` to be thrown if a context already exists for the path provided. The implementation class`sun.net.httpserver.ServerImpl` does not comply with this, which is fixed by this change.
Testing: Tier 1-3 all clear. ------------- Commit messages: - fix trailing whitespace - use HttpServer, not HttpsServer in test - initial commit Changes: https://git.openjdk.java.net/jdk/pull/4665/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4665&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8269692 Stats: 88 lines in 2 files changed: 84 ins; 2 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/4665.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/4665/head:pull/4665 PR: https://git.openjdk.java.net/jdk/pull/4665
