HRTR: make pending task execution handling to go through all tasks on not finding worker slots

core/src/main/java/org/apache/druid/java/util/emitter/EmittingLogger.java

@@ -83,11 +83,13 @@ public AlertBuilder makeAlert(@Nullable Throwable t, String message, Object... o
           StringUtils.nonStrictFormat(message, objects)
       );
 
-      error(errorMessage);
       ISE e = new ISE(errorMessage);
       if (t != null) {
         e.addSuppressed(t);
       }
+
+      error(e, errorMessage);
+
       throw e;
     }
 

indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskRunnerWorkItem.java

@@ -86,6 +86,7 @@ public DateTime getQueueInsertionTime()
     return queueInsertionTime;
   }
 
+  @JsonProperty
   public abstract TaskLocation getLocation();
 
   /**

indexing-service/src/main/java/org/apache/druid/indexing/overlord/config/HttpRemoteTaskRunnerConfig.java

@@ -30,9 +30,6 @@ public class HttpRemoteTaskRunnerConfig extends RemoteTaskRunnerConfig
   @JsonProperty
   private int workerSyncNumThreads = 5;
 
-  @JsonProperty
-  private Period waitForWorkerSlot = new Period("PT1M");
-
   @JsonProperty
   private int shutdownRequestMaxRetries = 3;
 
@@ -56,11 +53,6 @@ public int getWorkerSyncNumThreads()
     return workerSyncNumThreads;
   }
 
-  public Period getWaitForWorkerSlot()
-  {
-    return waitForWorkerSlot;
-  }
-
   public int getShutdownRequestMaxRetries()
   {
     return shutdownRequestMaxRetries;