From 13a1472b68543d96c7eb9de1119f3adb6b74590f Mon Sep 17 00:00:00 2001
From: allegroai <>
Date: Sat, 4 Dec 2021 23:21:16 +0200
Subject: [PATCH] Fix validation error causes infinite loop

---
 clearml/backend_interface/base.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/clearml/backend_interface/base.py b/clearml/backend_interface/base.py
index bf7fbfd8..2928045a 100644
--- a/clearml/backend_interface/base.py
+++ b/clearml/backend_interface/base.py
@@ -2,6 +2,7 @@ import abc
 
 import requests.exceptions
 import six
+import jsonschema
 
 from ..backend_api import Session, CallResult
 from ..backend_api.session.session import MaxRequestSizeError
@@ -15,6 +16,10 @@ from ..debugging import get_logger
 from .session import SendError, SessionInterface
 
 
+class ValidationError(ValueError):
+    pass
+
+
 class InterfaceBase(SessionInterface):
     """ Base class for a backend manager class """
     _default_session = None
@@ -78,6 +83,15 @@ class InterfaceBase(SessionInterface):
                 if raise_on_errors:
                     raise
                 res = None
+            except jsonschema.ValidationError as e:
+                if log:
+                    log.error(
+                        'Field %s contains illegal schema: %s', '.'.join(e.path), str(e.message)
+                    )
+                if raise_on_errors:
+                    raise ValidationError(f"Field {'.'.join(e.path)} contains illegal schema: {e.message}")
+                # We do not want to retry
+                return None
             except Exception as e:
                 res = None
                 if log and num_retries >= cls._num_retry_warning_display: