Feat: continue on error

api/core/app/apps/advanced_chat/generate_task_pipeline.py

@@ -19,6 +19,7 @@
     QueueIterationNextEvent,
     QueueIterationStartEvent,
     QueueMessageReplaceEvent,
+    QueueNodeExceptionEvent,
     QueueNodeFailedEvent,
     QueueNodeInIterationFailedEvent,
     QueueNodeStartedEvent,
@@ -31,6 +32,7 @@
     QueueStopEvent,
     QueueTextChunkEvent,
     QueueWorkflowFailedEvent,
+    QueueWorkflowPartialSuccessEvent,
     QueueWorkflowStartedEvent,
     QueueWorkflowSucceededEvent,
 )
@@ -318,7 +320,7 @@ def _process_stream_response(
 
                 if response:
                     yield response
-            elif isinstance(event, QueueNodeFailedEvent | QueueNodeInIterationFailedEvent):
+            elif isinstance(event, QueueNodeFailedEvent | QueueNodeInIterationFailedEvent | QueueNodeExceptionEvent):
                 workflow_node_execution = self._handle_workflow_node_execution_failed(event)
 
                 response = self._workflow_node_finish_to_stream_response(
@@ -387,6 +389,29 @@ def _process_stream_response(
                     task_id=self._application_generate_entity.task_id, workflow_run=workflow_run
                 )
 
+                self._queue_manager.publish(QueueAdvancedChatMessageEndEvent(), PublishFrom.TASK_PIPELINE)
+            elif isinstance(event, QueueWorkflowPartialSuccessEvent):
+                if not workflow_run:
+                    raise Exception("Workflow run not initialized.")
+
+                if not graph_runtime_state:
+                    raise Exception("Graph runtime state not initialized.")
+
+                workflow_run = self._handle_workflow_run_partial_success(
+                    workflow_run=workflow_run,
+                    start_at=graph_runtime_state.start_at,
+                    total_tokens=graph_runtime_state.total_tokens,
+                    total_steps=graph_runtime_state.node_run_steps,
+                    outputs=event.outputs,
+                    exceptions_count=event.exceptions_count,
+                    conversation_id=None,
+                    trace_manager=trace_manager,
+                )
+
+                yield self._workflow_finish_to_stream_response(
+                    task_id=self._application_generate_entity.task_id, workflow_run=workflow_run
+                )
+
                 self._queue_manager.publish(QueueAdvancedChatMessageEndEvent(), PublishFrom.TASK_PIPELINE)
             elif isinstance(event, QueueWorkflowFailedEvent):
                 if not workflow_run:
@@ -404,6 +429,7 @@ def _process_stream_response(
                     error=event.error,
                     conversation_id=self._conversation.id,
                     trace_manager=trace_manager,
+                    exceptions_count=event.exceptions_count,
                 )
 
                 yield self._workflow_finish_to_stream_response(

api/core/app/apps/workflow/app_queue_manager.py

@@ -6,6 +6,7 @@
     QueueMessageEndEvent,
     QueueStopEvent,
     QueueWorkflowFailedEvent,
+    QueueWorkflowPartialSuccessEvent,
     QueueWorkflowSucceededEvent,
     WorkflowQueueMessage,
 )
@@ -34,7 +35,8 @@ def _publish(self, event: AppQueueEvent, pub_from: PublishFrom) -> None:
             | QueueErrorEvent
             | QueueMessageEndEvent
             | QueueWorkflowSucceededEvent
-            | QueueWorkflowFailedEvent,
+            | QueueWorkflowFailedEvent
+            | QueueWorkflowPartialSuccessEvent,
         ):
             self.stop_listen()
 

api/core/app/apps/workflow/generate_task_pipeline.py

@@ -15,6 +15,7 @@
     QueueIterationCompletedEvent,
     QueueIterationNextEvent,
     QueueIterationStartEvent,
+    QueueNodeExceptionEvent,
     QueueNodeFailedEvent,
     QueueNodeInIterationFailedEvent,
     QueueNodeStartedEvent,
@@ -26,6 +27,7 @@
     QueueStopEvent,
     QueueTextChunkEvent,
     QueueWorkflowFailedEvent,
+    QueueWorkflowPartialSuccessEvent,
     QueueWorkflowStartedEvent,
     QueueWorkflowSucceededEvent,
 )
@@ -277,7 +279,7 @@ def _process_stream_response(
 
                 if response:
                     yield response
-            elif isinstance(event, QueueNodeFailedEvent | QueueNodeInIterationFailedEvent):
+            elif isinstance(event, QueueNodeFailedEvent | QueueNodeInIterationFailedEvent | QueueNodeExceptionEvent):
                 workflow_node_execution = self._handle_workflow_node_execution_failed(event)
 
                 response = self._workflow_node_finish_to_stream_response(
@@ -348,29 +350,81 @@ def _process_stream_response(
                 yield self._workflow_finish_to_stream_response(
                     task_id=self._application_generate_entity.task_id, workflow_run=workflow_run
                 )
-            elif isinstance(event, QueueWorkflowFailedEvent | QueueStopEvent):
+            elif isinstance(event, QueueWorkflowPartialSuccessEvent):
                 if not workflow_run:
                     raise Exception("Workflow run not initialized.")
 
                 if not graph_runtime_state:
                     raise Exception("Graph runtime state not initialized.")
 
-                workflow_run = self._handle_workflow_run_failed(
+                workflow_run = self._handle_workflow_run_partial_success(
                     workflow_run=workflow_run,
                     start_at=graph_runtime_state.start_at,
                     total_tokens=graph_runtime_state.total_tokens,
                     total_steps=graph_runtime_state.node_run_steps,
-                    status=WorkflowRunStatus.FAILED
-                    if isinstance(event, QueueWorkflowFailedEvent)
-                    else WorkflowRunStatus.STOPPED,
-                    error=event.error if isinstance(event, QueueWorkflowFailedEvent) else event.get_stop_reason(),
+                    outputs=event.outputs,
+                    exceptions_count=event.exceptions_count,
                     conversation_id=None,
                     trace_manager=trace_manager,
                 )
 
                 # save workflow app log
                 self._save_workflow_app_log(workflow_run)
 
+                yield self._workflow_finish_to_stream_response(
+                    task_id=self._application_generate_entity.task_id, workflow_run=workflow_run
+                )
+            elif isinstance(event, QueueWorkflowFailedEvent | QueueStopEvent):
+                if not workflow_run:
+                    raise Exception("Workflow run not initialized.")
+
+                if not graph_runtime_state:
+                    raise Exception("Graph runtime state not initialized.")
+                handle_args = {
+                    "workflow_run": workflow_run,
+                    "start_at": graph_runtime_state.start_at,
+                    "total_tokens": graph_runtime_state.total_tokens,
+                    "total_steps": graph_runtime_state.node_run_steps,
+                    "status": WorkflowRunStatus.FAILED
+                    if isinstance(event, QueueWorkflowFailedEvent)
+                    else WorkflowRunStatus.STOPPED,
+                    "error": event.error if isinstance(event, QueueWorkflowFailedEvent) else event.get_stop_reason(),
+                    "conversation_id": None,
+                    "trace_manager": trace_manager,
+                    "exceptions_count": event.exceptions_count if isinstance(event, QueueWorkflowFailedEvent) else 0,
+                }
+                workflow_run = self._handle_workflow_run_failed(**handle_args)
+
+                # save workflow app log
+                self._save_workflow_app_log(workflow_run)
+
+                yield self._workflow_finish_to_stream_response(
+                    task_id=self._application_generate_entity.task_id, workflow_run=workflow_run
+                )
+            elif isinstance(event, QueueWorkflowPartialSuccessEvent):
+                if not workflow_run:
+                    raise Exception("Workflow run not initialized.")
+
+                if not graph_runtime_state:
+                    raise Exception("Graph runtime state not initialized.")
+                handle_args = {
+                    "workflow_run": workflow_run,
+                    "start_at": graph_runtime_state.start_at,
+                    "total_tokens": graph_runtime_state.total_tokens,
+                    "total_steps": graph_runtime_state.node_run_steps,
+                    "status": WorkflowRunStatus.FAILED
+                    if isinstance(event, QueueWorkflowFailedEvent)
+                    else WorkflowRunStatus.STOPPED,
+                    "error": event.error if isinstance(event, QueueWorkflowFailedEvent) else event.get_stop_reason(),
+                    "conversation_id": None,
+                    "trace_manager": trace_manager,
+                    "exceptions_count": event.exceptions_count,
+                }
+                workflow_run = self._handle_workflow_run_partial_success(**handle_args)
+
+                # save workflow app log
+                self._save_workflow_app_log(workflow_run)
+
                 yield self._workflow_finish_to_stream_response(
                     task_id=self._application_generate_entity.task_id, workflow_run=workflow_run
                 )

api/core/app/apps/workflow_app_runner.py

@@ -8,6 +8,7 @@
     QueueIterationCompletedEvent,
     QueueIterationNextEvent,
     QueueIterationStartEvent,
+    QueueNodeExceptionEvent,
     QueueNodeFailedEvent,
     QueueNodeInIterationFailedEvent,
     QueueNodeStartedEvent,
@@ -18,20 +19,23 @@
     QueueRetrieverResourcesEvent,
     QueueTextChunkEvent,
     QueueWorkflowFailedEvent,
+    QueueWorkflowPartialSuccessEvent,
     QueueWorkflowStartedEvent,
     QueueWorkflowSucceededEvent,
 )
 from core.workflow.entities.variable_pool import VariablePool
 from core.workflow.graph_engine.entities.event import (
     GraphEngineEvent,
     GraphRunFailedEvent,
+    GraphRunPartialSucceededEvent,
     GraphRunStartedEvent,
     GraphRunSucceededEvent,
     IterationRunFailedEvent,
     IterationRunNextEvent,
     IterationRunStartedEvent,
     IterationRunSucceededEvent,
     NodeInIterationFailedEvent,
+    NodeRunExceptionEvent,
     NodeRunFailedEvent,
     NodeRunRetrieverResourceEvent,
     NodeRunStartedEvent,
@@ -176,8 +180,12 @@ def _handle_event(self, workflow_entry: WorkflowEntry, event: GraphEngineEvent)
             )
         elif isinstance(event, GraphRunSucceededEvent):
             self._publish_event(QueueWorkflowSucceededEvent(outputs=event.outputs))
+        elif isinstance(event, GraphRunPartialSucceededEvent):
+            self._publish_event(
+                QueueWorkflowPartialSuccessEvent(outputs=event.outputs, exceptions_count=event.exceptions_count)
+            )
         elif isinstance(event, GraphRunFailedEvent):
-            self._publish_event(QueueWorkflowFailedEvent(error=event.error))
+            self._publish_event(QueueWorkflowFailedEvent(error=event.error, exceptions_count=event.exceptions_count))
         elif isinstance(event, NodeRunStartedEvent):
             self._publish_event(
                 QueueNodeStartedEvent(
@@ -253,6 +261,36 @@ def _handle_event(self, workflow_entry: WorkflowEntry, event: GraphEngineEvent)
                     in_iteration_id=event.in_iteration_id,
                 )
             )
+        elif isinstance(event, NodeRunExceptionEvent):
+            self._publish_event(
+                QueueNodeExceptionEvent(
+                    node_execution_id=event.id,
+                    node_id=event.node_id,
+                    node_type=event.node_type,
+                    node_data=event.node_data,
+                    parallel_id=event.parallel_id,
+                    parallel_start_node_id=event.parallel_start_node_id,
+                    parent_parallel_id=event.parent_parallel_id,
+                    parent_parallel_start_node_id=event.parent_parallel_start_node_id,
+                    start_at=event.route_node_state.start_at,
+                    inputs=event.route_node_state.node_run_result.inputs
+                    if event.route_node_state.node_run_result
+                    else {},
+                    process_data=event.route_node_state.node_run_result.process_data
+                    if event.route_node_state.node_run_result
+                    else {},
+                    outputs=event.route_node_state.node_run_result.outputs
+                    if event.route_node_state.node_run_result
+                    else {},
+                    error=event.route_node_state.node_run_result.error
+                    if event.route_node_state.node_run_result and event.route_node_state.node_run_result.error
+                    else "Unknown error",
+                    execution_metadata=event.route_node_state.node_run_result.metadata
+                    if event.route_node_state.node_run_result
+                    else {},
+                    in_iteration_id=event.in_iteration_id,
+                )
+            )
         elif isinstance(event, NodeInIterationFailedEvent):
             self._publish_event(
                 QueueNodeInIterationFailedEvent(

api/core/app/entities/queue_entities.py

@@ -25,12 +25,14 @@ class QueueEvent(StrEnum):
     WORKFLOW_STARTED = "workflow_started"
     WORKFLOW_SUCCEEDED = "workflow_succeeded"
     WORKFLOW_FAILED = "workflow_failed"
+    WORKFLOW_PARTIAL_SUCCEEDED = "workflow_partial_succeeded"
     ITERATION_START = "iteration_start"
     ITERATION_NEXT = "iteration_next"
     ITERATION_COMPLETED = "iteration_completed"
     NODE_STARTED = "node_started"
     NODE_SUCCEEDED = "node_succeeded"
     NODE_FAILED = "node_failed"
+    NODE_EXCEPTION = "node_exception"
     RETRIEVER_RESOURCES = "retriever_resources"
     ANNOTATION_REPLY = "annotation_reply"
     AGENT_THOUGHT = "agent_thought"
@@ -237,6 +239,17 @@ class QueueWorkflowFailedEvent(AppQueueEvent):
 
     event: QueueEvent = QueueEvent.WORKFLOW_FAILED
     error: str
+    exceptions_count: int
+
+
+class QueueWorkflowPartialSuccessEvent(AppQueueEvent):
+    """
+    QueueWorkflowFailedEvent entity
+    """
+
+    event: QueueEvent = QueueEvent.WORKFLOW_PARTIAL_SUCCEEDED
+    exceptions_count: int
+    outputs: Optional[dict[str, Any]] = None
 
 
 class QueueNodeStartedEvent(AppQueueEvent):
@@ -331,6 +344,37 @@ class QueueNodeInIterationFailedEvent(AppQueueEvent):
     error: str
 
 
+class QueueNodeExceptionEvent(AppQueueEvent):
+    """
+    QueueNodeExceptionEvent entity
+    """
+
+    event: QueueEvent = QueueEvent.NODE_EXCEPTION
+
+    node_execution_id: str
+    node_id: str
+    node_type: NodeType
+    node_data: BaseNodeData
+    parallel_id: Optional[str] = None
+    """parallel id if node is in parallel"""
+    parallel_start_node_id: Optional[str] = None
+    """parallel start node id if node is in parallel"""
+    parent_parallel_id: Optional[str] = None
+    """parent parallel id if node is in parallel"""
+    parent_parallel_start_node_id: Optional[str] = None
+    """parent parallel start node id if node is in parallel"""
+    in_iteration_id: Optional[str] = None
+    """iteration id if node is in iteration"""
+    start_at: datetime
+
+    inputs: Optional[dict[str, Any]] = None
+    process_data: Optional[dict[str, Any]] = None
+    outputs: Optional[dict[str, Any]] = None
+    execution_metadata: Optional[dict[NodeRunMetadataKey, Any]] = None
+
+    error: str
+
+
 class QueueNodeFailedEvent(AppQueueEvent):
     """
     QueueNodeFailedEvent entity

api/core/app/entities/task_entities.py

@@ -213,6 +213,7 @@ class Data(BaseModel):
         created_by: Optional[dict] = None
         created_at: int
         finished_at: int
+        exceptions_count: Optional[int] = 0
         files: Optional[Sequence[Mapping[str, Any]]] = []
 
     event: StreamEvent = StreamEvent.WORKFLOW_FINISHED