Nflrijal commented on code in PR #58243:
URL: https://github.com/apache/spark/pull/58243#discussion_r3945734024
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core/src/main/scala/org/apache/spark/SparkContext.scala:
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@@ -636,8 +638,19 @@ class SparkContext(config: SparkConf) extends Logging {
}
if (_conf.get(UI_REVERSE_PROXY)) {
- val proxyUrl =
_conf.get(UI_REVERSE_PROXY_URL).getOrElse("").stripSuffix("/")
- System.setProperty("spark.ui.proxyBase", proxyUrl + "/proxy/" +
_applicationId)
+ _previousProxyBase = sys.props.get("spark.ui.proxyBase")
+ val baseProxyUrl = _conf.get(UI_REVERSE_PROXY_URL)
+ .orElse(_previousProxyBase)
Review Comment:
Added isAppSpecificProxyBase in SparkContext to filter out
application-specific proxy paths (such as YARN AM /proxy/application_... or
Standalone /proxy/app-...) when capturing _previousProxyBase. When a Standalone
client context starts after a YARN context in the same JVM, it ignores the
leftover YARN application path and generates /proxy/<new-id> directly. Added
unit test in SparkContextSuite covering the YARN to Standalone context
transition.
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