diff --git a/dashboard/agent.py b/dashboard/agent.py
index d76c17f2d..676312245 100644
--- a/dashboard/agent.py
+++ b/dashboard/agent.py
@@ -307,4 +307,5 @@ if __name__ == "__main__":
                    "error:\n{}".format(platform.uname()[1], traceback_str))
         ray.utils.push_error_to_driver_through_redis(
             redis_client, ray_constants.DASHBOARD_AGENT_DIED_ERROR, message)
+        logger.exception(message)
         raise e
diff --git a/dashboard/dashboard.py b/dashboard/dashboard.py
index 5fecebdb5..80765b647 100644
--- a/dashboard/dashboard.py
+++ b/dashboard/dashboard.py
@@ -207,4 +207,5 @@ if __name__ == "__main__":
         if isinstance(e, OSError) and e.errno == errno.ENOENT:
             logger.warning(message)
         else:
+            logger.exception(message)
             raise e
diff --git a/python/ray/log_monitor.py b/python/ray/log_monitor.py
index 4932b7338..ac5fa5296 100644
--- a/python/ray/log_monitor.py
+++ b/python/ray/log_monitor.py
@@ -133,7 +133,7 @@ class LogMonitor:
                 job_match = JOB_LOG_PATTERN.match(file_path)
                 if job_match:
                     job_id = job_match.group(2)
-                    worker_pid = job_match.group(3)
+                    worker_pid = int(job_match.group(3))
                 else:
                     job_id = None
                     worker_pid = None
@@ -361,4 +361,5 @@ if __name__ == "__main__":
                    f"failed with the following error:\n{traceback_str}")
         ray.utils.push_error_to_driver_through_redis(
             redis_client, ray_constants.LOG_MONITOR_DIED_ERROR, message)
+        logger.error(message)
         raise e