Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8735#discussion_r39424210
--- Diff:
core/src/main/scala/org/apache/spark/status/api/v1/OneApplicationResource.scala
---
@@ -24,7 +24,9 @@ private[v1] class OneApplicationResource(uiRoot: UIRoot) {
@GET
def getApp(@PathParam("appId") appId: String): ApplicationInfo = {
- val apps = uiRoot.getApplicationInfoList.find { _.id == appId }
+ // SPARK-10571: appId and appName are mixed up in previous release,
+ // To ensure backwards-compatibility, here we find both app.id ==
appId and app.name == appId
+ val apps = uiRoot.getApplicationInfoList.find { app => app.id == appId
|| app.name == appId }
--- End diff --
Yeah, this is the compatibility concern that I was worried about.
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