zhengruifeng commented on code in PR #40617:
URL: https://github.com/apache/spark/pull/40617#discussion_r1175926004


##########
python/pyspark/errors/error_classes.py:
##########
@@ -79,11 +114,26 @@
       "returnType can not be specified when `<arg_name>` is a user-defined 
function, but got <return_type>."
     ]
   },
+  "CANNOT_UNPERSIST_BROADCAST": {

Review Comment:
   is it possible to combine `CANNOT_UNPERSIST_BROADCAST` 
`CANNOT_REDUCE_BROADCAST` and `CANNOT_DESTROY_BROADCAST` to a single 
`INVALID_BROADCAST_OPERATION` with parameter `operation`



##########
python/pyspark/errors/error_classes.py:
##########
@@ -29,6 +34,21 @@
       "Attribute `<attr_name>` in provided object `<obj_name>` is not 
callable."
     ]
   },
+  "BARRIER_TASK_CONTEXT_NOT_INITIALIZE": {
+    "message": [
+      "Not supported to call `<func_name>` before initialize 
BarrierTaskContext."
+    ]
+  },
+  "BROADCAST_VARIABLE_NOT_LOADED": {
+    "message": [
+      "Broadcast variable `<variable>` not loaded."
+    ]
+  },
+  "CALL_BEFORE_SESSION_INITIALIZE" : {

Review Comment:
   what about combine `BARRIER_TASK_CONTEXT_NOT_INITIALIZE` and 
`CALL_BEFORE_SESSION_INITIALIZE` to a general `CALL_BEFORE_INITIALIZE` with an 
extra parameter `object`?



##########
python/pyspark/errors/error_classes.py:
##########
@@ -79,11 +114,26 @@
       "returnType can not be specified when `<arg_name>` is a user-defined 
function, but got <return_type>."
     ]
   },
+  "CANNOT_UNPERSIST_BROADCAST": {
+    "message": [
+      "Broadcast can only be unpersisted in driver."
+    ]
+  },
   "COLUMN_IN_LIST": {
     "message": [
       "`<func_name>` does not allow a Column in a list."
     ]
   },
+  "CONTEXT_ONLY_VALID_ON_DRIVER" : {
+    "message" : [
+      "It appears that you are attempting to reference SparkContext from a 
broadcast variable, action, or transformation. SparkContext can only be used on 
the driver, not in code that it run on workers. For more information, see 
SPARK-5063."
+    ]
+  },
+  "CONTEXT_UNAVAILABLE_FOR_REMOTE_CLIENT" : {
+    "message" : [
+      "Remote client cannot create a SparkContext. Create SparkSession 
instead."

Review Comment:
   I think the message is misleading, it implies a `SparkSession` was created.



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