[core] add "last exception" to error message when GCS connection fail…

…s in ray.init(). (ray-project#46516) This helps debugging GCS connection issues. Signed-off-by: Ruiyang Wang <[email protected]>
jkpjkpjkp · Jul 9, 2024 · d134c25 · d134c25
1 parent 4568ace
commit d134c25
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/python/ray/_private/node.py b/python/ray/_private/node.py
@@ -759,11 +759,12 @@ def _init_gcs_client(self):
                     f" Last {len(errors)} lines of error files:"
                     f"{error_msg}."
                     f"Please check {os.path.join(self._logs_dir, 'gcs_server.out')}"
-                    " for details"
+                    f" for details. Last connection error: {last_ex}"
                 )
             else:
                 raise RuntimeError(
-                    f"Failed to {'start' if self.head else 'connect to'} GCS."
+                    f"Failed to {'start' if self.head else 'connect to'} GCS. Last "
+                    f"connection error: {last_ex}"
                 )
 
         ray.experimental.internal_kv._initialize_internal_kv(self._gcs_client)