[SPARK-45086][UI] Display hexadecimal for thread lock hash code

### What changes were proposed in this pull request? This PR fixes the stringify method for MonitorInfo/LockInfo to use `toString` which contains an extra step of Integer.toHexString. ### Why are the changes needed? to be consistent with the lock-holder ### Does this PR introduce _any_ user-facing change? yes, UI and the response for the rest API(/applications/[app-id]/executors/[executor-id]/threads) change ### How was this patch tested? verified locally ### Was this patch authored or co-authored using generative AI tooling? no Closes #42826 from yaooqinn/SPARK-45086. Authored-by: Kent Yao <[email protected]> Signed-off-by: Kent Yao <[email protected]>
apache · Sep 7, 2023 · 7818f47 · 7818f47
1 parent 622bbf2
commit 7818f47
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala
@@ -2108,10 +2108,8 @@ private[spark] object Utils
   private implicit class Lock(lock: LockInfo) {
     def lockString: String = {
       lock match {
-        case monitor: MonitorInfo =>
-          s"Monitor(${lock.getClassName}@${monitor.getIdentityHashCode})"
-        case _ =>
-          s"Lock(${lock.getClassName}@${lock.getIdentityHashCode})"
+        case monitor: MonitorInfo => s"Monitor(${monitor.toString})"
+        case _ => s"Lock(${lock.toString})"
       }
     }
   }