List SnapMirror Relationships tool fails with "policy field has not been set" error #33

Open
#44
Open
List SnapMirror Relationships tool fails with "policy field has not been set" error#33
#44

Description

@shashidc44
shashidc44
opened on Nov 17, 2025

Summary
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py

Error Message

[11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'.

Steps to Reproduce
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
Configure connection to ONTAP cluster with valid credentials
Call the [List SnapMirror Relationships] tool
Error occurs consistently

Expected Behavior
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.

Actual Behavior
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.

Environment
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
ONTAP Version: 9.x
Python Version: 3.13
Transport: stdio

Root Cause Analysis
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.

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      Skip to content
      List SnapMirror Relationships tool fails with "policy field has not been set" error #33
      Open
      #44
      Open
      List SnapMirror Relationships tool fails with "policy field has not been set" error#33
      #44
      Description
      @shashidc44
      shashidc44
      opened on Nov 17, 2025
      Summary
      
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
      
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
      Error Message
      [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
      Steps to Reproduce
      
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
      
Configure connection to ONTAP cluster with valid credentials
      
Call the [List SnapMirror Relationships] tool
      
Error occurs consistently
      Expected Behavior
      
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
      Actual Behavior
      
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
      Environment
      
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
      
ONTAP Version: 9.x
      
Python Version: 3.13
      
Transport: stdio
      Root Cause Analysis
      
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
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          Skip to content
          List SnapMirror Relationships tool fails with "policy field has not been set" error #33
          Open
          #44
          Open
          List SnapMirror Relationships tool fails with "policy field has not been set" error#33
          #44
          Description
          @shashidc44
          shashidc44
          opened on Nov 17, 2025
          Summary
          
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
          
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
          Error Message
          [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
          Steps to Reproduce
          
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
          
Configure connection to ONTAP cluster with valid credentials
          
Call the [List SnapMirror Relationships] tool
          
Error occurs consistently
          Expected Behavior
          
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
          Actual Behavior
          
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
          Environment
          
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
          
ONTAP Version: 9.x
          
Python Version: 3.13
          
Transport: stdio
          Root Cause Analysis
          
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
          Metadata
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              Skip to content
              List SnapMirror Relationships tool fails with "policy field has not been set" error #33
              Open
              #44
              Open
              List SnapMirror Relationships tool fails with "policy field has not been set" error#33
              #44
              Description
              @shashidc44
              shashidc44
              opened on Nov 17, 2025
              Summary
              
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
              
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
              Error Message
              [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
              Steps to Reproduce
              
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
              
Configure connection to ONTAP cluster with valid credentials
              
Call the [List SnapMirror Relationships] tool
              
Error occurs consistently
              Expected Behavior
              
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
              Actual Behavior
              
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
              Environment
              
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
              
ONTAP Version: 9.x
              
Python Version: 3.13
              
Transport: stdio
              Root Cause Analysis
              
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
              Metadata
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                  Skip to content
                  List SnapMirror Relationships tool fails with "policy field has not been set" error #33
                  Open
                  #44
                  Open
                  List SnapMirror Relationships tool fails with "policy field has not been set" error#33
                  #44
                  Description
                  @shashidc44
                  shashidc44
                  opened on Nov 17, 2025
                  Summary
                  
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
                  
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
                  Error Message
                  [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
                  Steps to Reproduce
                  
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
                  
Configure connection to ONTAP cluster with valid credentials
                  
Call the [List SnapMirror Relationships] tool
                  
Error occurs consistently
                  Expected Behavior
                  
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
                  Actual Behavior
                  
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
                  Environment
                  
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
                  
ONTAP Version: 9.x
                  
Python Version: 3.13
                  
Transport: stdio
                  Root Cause Analysis
                  
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
                  Metadata
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                  Assignees
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                      None yet
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                      No branches or pull requests
                      Issue actions
                      
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      List SnapMirror Relationships tool fails with "policy field has not been set" error #33
                      Open
                      #44
                      Open
                      List SnapMirror Relationships tool fails with "policy field has not been set" error#33
                      #44
                      Description
                      @shashidc44
                      shashidc44
                      opened on Nov 17, 2025
                      Summary
                      
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
                      
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
                      Error Message
                      [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
                      Steps to Reproduce
                      
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
                      
Configure connection to ONTAP cluster with valid credentials
                      
Call the [List SnapMirror Relationships] tool
                      
Error occurs consistently
                      Expected Behavior
                      
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
                      Actual Behavior
                      
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
                      Environment
                      
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
                      
ONTAP Version: 9.x
                      
Python Version: 3.13
                      
Transport: stdio
                      Root Cause Analysis
                      
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
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                          List SnapMirror Relationships tool fails with "policy field has not been set" error #33
                          Open
                          #44
                          Open
                          List SnapMirror Relationships tool fails with "policy field has not been set" error#33
                          #44
                          Description
                          @shashidc44
                          shashidc44
                          opened on Nov 17, 2025
                          Summary
                          
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
                          
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
                          Error Message
                          [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
                          Steps to Reproduce
                          
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
                          
Configure connection to ONTAP cluster with valid credentials
                          
Call the [List SnapMirror Relationships] tool
                          
Error occurs consistently
                          Expected Behavior
                          
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
                          Actual Behavior
                          
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
                          Environment
                          
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
                          
ONTAP Version: 9.x
                          
Python Version: 3.13
                          
Transport: stdio
                          Root Cause Analysis
                          
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
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                              Skip to content
                              List SnapMirror Relationships tool fails with "policy field has not been set" error #33
                              Open
                              #44
                              Open
                              List SnapMirror Relationships tool fails with "policy field has not been set" error#33
                              #44
                              Description
                              @shashidc44
                              shashidc44
                              opened on Nov 17, 2025
                              Summary
                              
The [List SnapMirror Relationships] tool in the NetApp DataOps Toolkit MCP server fails when attempting to list SnapMirror relationships, throwing an error about a missing policy field.
                              
netapp_dataops_traditional/netapp_dataops/mcp_server/netapp_dataops_ontap_mcp.py
                              Error Message
                              [11/17/25 19:30:55] Error calling tool 'List SnapMirror Relationships' ╭────────────────────────────────────────────────────── Traceback (most recent call last) ──────────────────────────────────────────────────────╮ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool_manager.py:160 in call_tool │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/fastmcp/tools/tool.py:333 in run │ │ │ │ ... 1 frames hidden ... │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_dataops/traditional/__init__.py:1346 in │ │ list_snap_mirror_relationships │ │ │ │ 1343 │ │ │ │ # Construct dict containing relationship details │ │ 1344 │ │ │ │ relationshipDict = { │ │ 1345 │ │ │ │ │ "UUID": relationship.uuid, │ │ ❱ 1346 │ │ │ │ │ "Type": relationship.policy.type, │ │ 1347 │ │ │ │ │ "Healthy": healthy, │ │ 1348 │ │ │ │ │ "Current Transfer Status": transferState, │ │ 1349 │ │ │ │ │ "Source Cluster": sourceCluster, │ │ │ │ /Users/shashidc/Developer/dataopsai/.venv/lib/python3.13/site-packages/netapp_ontap/resource.py:355 in __getattribute__ │ │ │ │ 352 │ │ except AttributeError: │ │ 353 │ │ │ schema = super().__getattribute__("_schema_instance") │ │ 354 │ │ │ if name in schema.fields: │ │ ❱ 355 │ │ │ │ raise AttributeError( │ │ 356 │ │ │ │ │ f"The '{name}' field has not been set on the │ │ {super().__getattribute__('__class__').__name__}. " │ │ 357 │ │ │ │ │ f"Try refreshing the object by calling get() or set the field │ │ '{name}'." │ │ 358 │ │ │ │ ) from None │ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ AttributeError: The 'policy' field has not been set on the SnapmirrorRelationship. Try refreshing the object by calling get() or set the field 'policy'. 
                              Steps to Reproduce
                              
Set up NetApp DataOps Toolkit MCP server (fastMCP 2.13.1)
                              
Configure connection to ONTAP cluster with valid credentials
                              
Call the [List SnapMirror Relationships] tool
                              
Error occurs consistently
                              Expected Behavior
                              
The tool should return a list of SnapMirror relationships with their details including UUID, Type, Health status, Transfer Status, Source/Destination information.
                              Actual Behavior
                              
The tool crashes with a field access error, indicating that the SnapmirrorRelationship object is trying to access a policy field that wasn't fetched during the initial query.
                              Environment
                              
NetApp DataOps Toolkit: Using MCP server (fastMCP 2.13.1)
                              
ONTAP Version: 9.x
                              
Python Version: 3.13
                              
Transport: stdio
                              Root Cause Analysis
                              
The tool appears to be querying SnapMirror relationships but not including the policy field in the fields list when fetching the data. When it later tries to access or display the policy information, it fails because the field wasn't populated.
                              Metadata
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