diff --git llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java index 6bedccb..92c9d87 100644 --- llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java +++ llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java @@ -1517,6 +1517,14 @@ private void trySchedulingPendingTasks() { @Override public void run() { + try { + readLock.lock(); + if (pendingTasks == null || pendingTasks.size() == 0) { + LOG.warn("Triggered a timeout without any pending tasks, ignore"); + } + } finally { + readLock.unlock(); + } LOG.info("Reporting SERVICE_UNAVAILABLE error as no instances are running"); try { getContext().reportError(ServicePluginErrorDefaults.SERVICE_UNAVAILABLE,