tombentley commented on a change in pull request #10530:
URL: https://github.com/apache/kafka/pull/10530#discussion_r612219113
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File path:
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/rest/RestServer.java
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@@ -369,9 +370,31 @@ else if (serverConnector != null &&
serverConnector.getHost() != null && serverC
else if (serverConnector != null && serverConnector.getPort() > 0)
builder.port(serverConnector.getPort());
- log.info("Advertised URI: {}", builder.build());
+ URI uri = builder.build();
+ validateUriHost(uri);
+ log.info("Advertised URI: {}", uri);
- return builder.build();
+ return uri;
+ }
+
+ /**
+ * Parses the uri and throws a more definitive error
+ * when the internal node to node communication can't happen due to an
invalid host name.
+ */
+ private void validateUriHost(URI uri) {
+ if (uri.getHost() == null) {
+ String host = Utils.getHost(uri.getAuthority());
Review comment:
Why use `Utils.getHost()` rather than `uri.getHost()`?
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