rdhabalia opened a new pull request #1239: add httpcore dep required by httpclient in hostname-verification URL: https://github.com/apache/incubator-pulsar/pull/1239 ### Motivation - when a broker's tls certificate present, httpclient's DefaultHostnameVerifier requires httpcore dependencies to use `org.apache.http.util.Args` class. ``` 11:12:33.486 [pulsar-discovery-io-2-3] WARN o.a.p.p.server.DirectProxyHandler - [[id: 0x300e8efa, L:/10.213.246.124:6651 - R:/10.215.134.167:51374]] [[id: 0x2b69265f, L:/10.213.246.124:48686 - R:perbs java.lang.NoClassDefFoundError: org/apache/http/util/Args at org.apache.http.conn.ssl.SubjectName.<init>(SubjectName.java:48) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.conn.ssl.DefaultHostnameVerifier.getSubjectAltNames(DefaultHostnameVerifier.java:310) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.conn.ssl.DefaultHostnameVerifier.verify(DefaultHostnameVerifier.java:112) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.conn.ssl.DefaultHostnameVerifier.verify(DefaultHostnameVerifier.java:99) ~[httpclient-4.5.5.jar:4.5.5] at ``` - Also `DefaultHostnameVerifier` requires all classes of commons-logging. ### Modifications add httpcore dependencies into client/proxy where hostname verification happens. ### Result It fixes `java.lang.NoClassDefFoundError: org/apache/http/util/Args` while hostname verification. Note: I will cherry-pick in 1.22 branch as well.
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