diff --git a/libs/community/langchain_community/cross_encoders/sagemaker_endpoint.py b/libs/community/langchain_community/cross_encoders/sagemaker_endpoint.py
index 20d6b85c6a0..62bf96bad9a 100644
--- a/libs/community/langchain_community/cross_encoders/sagemaker_endpoint.py
+++ b/libs/community/langchain_community/cross_encoders/sagemaker_endpoint.py
@@ -95,14 +95,14 @@ class SagemakerEndpointCrossEncoder(BaseModel, BaseCrossEncoder):
         extra = Extra.forbid
         arbitrary_types_allowed = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that AWS credentials to and python package exists in environment."""
         try:
             import boto3
 
             try:
-                if values["credentials_profile_name"] is not None:
+                if values.get("credentials_profile_name"):
                     session = boto3.Session(
                         profile_name=values["credentials_profile_name"]
                     )
diff --git a/libs/community/langchain_community/document_compressors/dashscope_rerank.py b/libs/community/langchain_community/document_compressors/dashscope_rerank.py
index 45010863990..07903d549ec 100644
--- a/libs/community/langchain_community/document_compressors/dashscope_rerank.py
+++ b/libs/community/langchain_community/document_compressors/dashscope_rerank.py
@@ -32,7 +32,7 @@ class DashScopeRerank(BaseDocumentCompressor):
         arbitrary_types_allowed = True
         allow_population_by_field_name = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
 
diff --git a/libs/community/langchain_community/document_compressors/volcengine_rerank.py b/libs/community/langchain_community/document_compressors/volcengine_rerank.py
index f62ed88514c..a7098584db1 100644
--- a/libs/community/langchain_community/document_compressors/volcengine_rerank.py
+++ b/libs/community/langchain_community/document_compressors/volcengine_rerank.py
@@ -39,7 +39,7 @@ class VolcengineRerank(BaseDocumentCompressor):
         arbitrary_types_allowed = True
         allow_population_by_field_name = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
 
diff --git a/libs/community/langchain_community/document_loaders/apify_dataset.py b/libs/community/langchain_community/document_loaders/apify_dataset.py
index 2805ff698c2..339a25c1ede 100644
--- a/libs/community/langchain_community/document_loaders/apify_dataset.py
+++ b/libs/community/langchain_community/document_loaders/apify_dataset.py
@@ -49,7 +49,7 @@ class ApifyDatasetLoader(BaseLoader, BaseModel):
             dataset_id=dataset_id, dataset_mapping_function=dataset_mapping_function
         )
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate environment.
 
diff --git a/libs/community/langchain_community/tools/connery/service.py b/libs/community/langchain_community/tools/connery/service.py
index b8606a9317a..11c921c1bc2 100644
--- a/libs/community/langchain_community/tools/connery/service.py
+++ b/libs/community/langchain_community/tools/connery/service.py
@@ -20,7 +20,7 @@ class ConneryService(BaseModel):
     runner_url: Optional[str] = None
     api_key: Optional[str] = None
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_attributes(cls, values: Dict) -> Dict:
         """
         Validate the attributes of the ConneryService class.
diff --git a/libs/community/langchain_community/tools/connery/tool.py b/libs/community/langchain_community/tools/connery/tool.py
index 51138714e26..ac725a3a4b4 100644
--- a/libs/community/langchain_community/tools/connery/tool.py
+++ b/libs/community/langchain_community/tools/connery/tool.py
@@ -63,7 +63,7 @@ class ConneryAction(BaseTool):
 
         return self.args_schema.schema_json(indent=2)
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_attributes(cls, values: dict) -> dict:
         """
         Validate the attributes of the ConneryAction class.
diff --git a/libs/community/langchain_community/vectorstores/azuresearch.py b/libs/community/langchain_community/vectorstores/azuresearch.py
index 109d52f6555..9543120c3c3 100644
--- a/libs/community/langchain_community/vectorstores/azuresearch.py
+++ b/libs/community/langchain_community/vectorstores/azuresearch.py
@@ -1559,7 +1559,7 @@ class AzureSearchVectorStoreRetriever(BaseRetriever):
 
         arbitrary_types_allowed = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_search_type(cls, values: Dict) -> Dict:
         """Validate search type."""
         if "search_type" in values: