From 5f43906b5da086bceb3fc5aedc388b0bcdc2bf65 Mon Sep 17 00:00:00 2001
From: Alyetama <56323389+Alyetama@users.noreply.github.com>
Date: Wed, 4 May 2022 00:44:31 -0400
Subject: [PATCH] Fix broken documentation URL (#24437)

The link to the documentation to troubleshoot TypeError: Could not serialize the function ... is broken. This PR fixes the link by replacing it with the correct URL.
---
 python/ray/_private/function_manager.py | 2 +-
 python/ray/_raylet.pyx                  | 2 +-
 python/ray/remote_function.py           | 2 +-
 python/ray/tests/test_traceback.py      | 8 ++++----
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/python/ray/_private/function_manager.py b/python/ray/_private/function_manager.py
index ad8a9957e..ac367bbb0 100644
--- a/python/ray/_private/function_manager.py
+++ b/python/ray/_private/function_manager.py
@@ -466,7 +466,7 @@ class FunctionActorManager:
             msg = (
                 "Could not serialize the actor class "
                 f"{actor_creation_function_descriptor.repr}. "
-                "Check https://docs.ray.io/en/master/serialization.html#troubleshooting "  # noqa
+                "Check https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting "  # noqa
                 "for more information."
             )
             raise TypeError(msg) from e
diff --git a/python/ray/_raylet.pyx b/python/ray/_raylet.pyx
index 72ae447a2..e1be9aa2b 100644
--- a/python/ray/_raylet.pyx
+++ b/python/ray/_raylet.pyx
@@ -418,7 +418,7 @@ cdef prepare_args_internal(
                     "Could not serialize the argument "
                     f"{repr(arg)} for a task or actor "
                     f"{function_descriptor.repr}. Check "
-                    "https://docs.ray.io/en/master/serialization.html#troubleshooting " # noqa
+                    "https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting " # noqa
                     "for more information.")
                 raise TypeError(msg) from e
             metadata = serialized_arg.metadata
diff --git a/python/ray/remote_function.py b/python/ray/remote_function.py
index 6d32ec4dc..2411e6fcd 100644
--- a/python/ray/remote_function.py
+++ b/python/ray/remote_function.py
@@ -204,7 +204,7 @@ class RemoteFunction:
                 msg = (
                     "Could not serialize the function "
                     f"{self._function_descriptor.repr}. Check "
-                    "https://docs.ray.io/en/master/serialization.html#troubleshooting "
+                    "https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting "  # noqa
                     "for more information."
                 )
                 raise TypeError(msg) from e
diff --git a/python/ray/tests/test_traceback.py b/python/ray/tests/test_traceback.py
index abf2a402c..0f80781aa 100644
--- a/python/ray/tests/test_traceback.py
+++ b/python/ray/tests/test_traceback.py
@@ -319,10 +319,10 @@ RuntimeError: Failed to unpickle serialized exception"""
 
 
 def test_serialization_error_message(shutdown_only):
-    expected_output_task = """Could not serialize the argument <unlocked _thread.lock object at ADDRESS> for a task or actor test_traceback.test_serialization_error_message.<locals>.task_with_unserializable_arg. Check https://docs.ray.io/en/master/serialization.html#troubleshooting for more information."""  # noqa
-    expected_output_actor = """Could not serialize the argument <unlocked _thread.lock object at ADDRESS> for a task or actor test_traceback.test_serialization_error_message.<locals>.A.__init__. Check https://docs.ray.io/en/master/serialization.html#troubleshooting for more information."""  # noqa
-    expected_capture_output_task = """Could not serialize the function test_traceback.test_serialization_error_message.<locals>.capture_lock. Check https://docs.ray.io/en/master/serialization.html#troubleshooting for more information."""  # noqa
-    expected_capture_output_actor = """Could not serialize the actor class test_traceback.test_serialization_error_message.<locals>.B.__init__. Check https://docs.ray.io/en/master/serialization.html#troubleshooting for more information."""  # noqa
+    expected_output_task = """Could not serialize the argument <unlocked _thread.lock object at ADDRESS> for a task or actor test_traceback.test_serialization_error_message.<locals>.task_with_unserializable_arg. Check https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting for more information."""  # noqa
+    expected_output_actor = """Could not serialize the argument <unlocked _thread.lock object at ADDRESS> for a task or actor test_traceback.test_serialization_error_message.<locals>.A.__init__. Check https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting for more information."""  # noqa
+    expected_capture_output_task = """Could not serialize the function test_traceback.test_serialization_error_message.<locals>.capture_lock. Check https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting for more information."""  # noqa
+    expected_capture_output_actor = """Could not serialize the actor class test_traceback.test_serialization_error_message.<locals>.B.__init__. Check https://docs.ray.io/en/master/ray-core/objects/serialization.html#troubleshooting for more information."""  # noqa
     ray.init(num_cpus=1)
     lock = threading.Lock()