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Turning on LANGCHAIN_TRACING_V2=true invalidates superGraph in multi_agent example #6945

Closed Pdash-exceeds closed 1 month ago

Pdash-exceeds commented 1 month ago

Checked other resources

Example Code

import "dotenv/config"; console.log(process.env.LANGCHAIN_API_KEY); console.log(process.env.LANGCHAIN_TRACING_V2); console.log(process.env.LANGCHAIN_PROJECT);

From : https://github.com/langchain-ai/langgraphjs/blob/aa0afe49a1dff1599321d349f31798748e76aa6b/examples/multi_agent/hierarchical_agent_teams.ipynb#L56

Error Message and Stack Trace (if applicable)

/Users/pradeeptadash/tmp/langgrap_notebooks/node_modules/@langchain/langgraph/dist/pregel/validate.cjs:84 throw new Error(Key ${String(key)} not found in channels); ^ Error: Key team_members not found in channels at validateKeys (/Users/pradeeptadash/tmp/langgrap_notebooks/node_modules/@langchain/langgraph/dist/pregel/validate.cjs:84:23) at CompiledStateGraph._defaults (/Users/pradeeptadash/tmp/langgrap_notebooks/node_modules/@langchain/langgraph/dist/pregel/index.cjs:586:44) at CompiledStateGraph._streamIterator (/Users/pradeeptadash/tmp/langgrap_notebooks/node_modules/@langchain/langgraph/dist/pregel/index.cjs:703:112) at processTicksAndRejections (node:internal/process/task_queues:95:5) { pregelTaskId: '2029ad3a-d6e6-5c1f-b3f6-82176f263a17' } Waiting for the debugger to disconnect...

Description

I am trying to use the hierarchical agent teams example provided by langgraph. When I turn on tracing via LANGCHAIN_TRACING_V2=true, it always fails to validate the compiled superGraph.

Turning the flag off (as is default in the example), works consistently. The failure is in the 'ResearchTeam' graph's 'Search' ReAct node.

System Info

  name: 'davidduong',
  email: 'david@duong.cz'
},
{
  name: 'hwchase17',
  email: 'hw.chase.17@gmail.com'
},
{
  name: 'basproul',
  email: 'braceasproul@gmail.com'
}

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'./smith.cjs' }, './tools': { types: { import: './tools.d.ts', default: './tools.d.ts', require: './tools.d.cts' }, import: './tools.js', require: './tools.cjs' }, './agents': { types: { import: './agents.d.ts', default: './agents.d.ts', require: './agents.d.cts' }, import: './agents.js', require: './agents.cjs' }, './chains': { types: { import: './chains.d.ts', default: './chains.d.ts', require: './chains.d.cts' }, import: './chains.js', require: './chains.cjs' }, './memory': { types: { import: './memory.d.ts', default: './memory.d.ts', require: './memory.d.cts' }, import: './memory.js', require: './memory.cjs' }, './sql_db': { types: { import: './sql_db.d.ts', default: './sql_db.d.ts', require: './sql_db.d.cts' }, import: './sql_db.js', require: './sql_db.cjs' }, './indexes': { types: { import: './indexes.d.ts', default: './indexes.d.ts', require: './indexes.d.cts' }, import: './indexes.js', require: './indexes.cjs' }, './document': { types: { import: './document.d.ts', default: './document.d.ts', require: './document.d.cts' }, import: './document.js', require: './document.cjs' }, './callbacks': { types: { import: './callbacks.d.ts', default: './callbacks.d.ts', require: './callbacks.d.cts' }, import: './callbacks.js', require: './callbacks.cjs' }, './tools/sql': { types: { import: './tools/sql.d.ts', default: './tools/sql.d.ts', require: './tools/sql.d.cts' }, import: './tools/sql.js', require: './tools/sql.cjs' }, './util/math': { types: { import: './util/math.d.ts', default: './util/math.d.ts', require: './util/math.d.cts' }, import: './util/math.js', require: './util/math.cjs' }, './util/time': { types: { import: './util/time.d.ts', default: './util/time.d.ts', require: './util/time.d.cts' }, import: './util/time.js', require: './util/time.cjs' }, './evaluation': { types: { import: './evaluation.d.ts', default: './evaluation.d.ts', require: './evaluation.d.cts' }, import: './evaluation.js', require: './evaluation.cjs' }, './agents/load': { types: { import: './agents/load.d.ts', default: './agents/load.d.ts', require: './agents/load.d.cts' }, import: './agents/load.js', require: './agents/load.cjs' }, './chains/load': { types: { import: './chains/load.d.ts', default: './chains/load.d.ts', require: './chains/load.d.cts' }, import: './chains/load.js', require: './chains/load.cjs' }, './tools/chain': { types: { import: './tools/chain.d.ts', default: './tools/chain.d.ts', require: './tools/chain.d.cts' }, import: './tools/chain.js', require: './tools/chain.cjs' }, './package.json': './package.json', './tools/render': { types: { import: './tools/render.d.ts', default: './tools/render.d.ts', require: './tools/render.d.cts' }, import: './tools/render.js', require: './tools/render.cjs' }, './chains/sql_db': { types: { import: './chains/sql_db.d.ts', default: './chains/sql_db.d.ts', require: './chains/sql_db.d.cts' }, import: './chains/sql_db.js', require: './chains/sql_db.cjs' }, './text_splitter': { types: { import: './text_splitter.d.ts', default: './text_splitter.d.ts', require: './text_splitter.d.cts' }, import: './text_splitter.js', require: './text_splitter.cjs' }, './util/document': { types: { import: './util/document.d.ts', default: './util/document.d.ts', require: './util/document.d.cts' }, import: './util/document.js', require: './util/document.cjs' }, './output_parsers': { types: { import: './output_parsers.d.ts', default: './output_parsers.d.ts', require: './output_parsers.d.cts' }, import: './output_parsers.js', require: './output_parsers.cjs' }, './agents/toolkits': { types: { import: './agents/toolkits.d.ts', default: './agents/toolkits.d.ts', require: './agents/toolkits.d.cts' }, import: './agents/toolkits.js', require: './agents/toolkits.cjs' }, './embeddings/fake': { types: { import: './embeddings/fake.d.ts', default: './embeddings/fake.d.ts', require: './embeddings/fake.d.cts' }, import: './embeddings/fake.js', require: './embeddings/fake.cjs' }, './retrievers/hyde': { types: { import: './retrievers/hyde.d.ts', default: './retrievers/hyde.d.ts', require: './retrievers/hyde.d.cts' }, import: './retrievers/hyde.js', require: './retrievers/hyde.cjs' }, './stores/doc/base': { types: { import: './stores/doc/base.d.ts', default: './stores/doc/base.d.ts', require: './stores/doc/base.d.cts' }, import: './stores/doc/base.js', require: './stores/doc/base.cjs' }, './tools/retriever': { types: { import: './tools/retriever.d.ts', default: './tools/retriever.d.ts', require: './tools/retriever.d.cts' }, import: './tools/retriever.js', require: './tools/retriever.cjs' }, './chains/retrieval': { types: { import: './chains/retrieval.d.ts', default: './chains/retrieval.d.ts', require: './chains/retrieval.d.cts' }, import: './chains/retrieval.js', require: './chains/retrieval.cjs' }, './runnables/remote': { types: { import: './runnables/remote.d.ts', default: './runnables/remote.d.ts', require: './runnables/remote.d.cts' }, import: './runnables/remote.js', require: 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require: './storage/in_memory.d.cts' }, import: './storage/in_memory.js', require: './storage/in_memory.cjs' }, './memory/chat_memory': { types: { import: './memory/chat_memory.d.ts', default: './memory/chat_memory.d.ts', require: './memory/chat_memory.d.cts' }, import: './memory/chat_memory.js', require: './memory/chat_memory.cjs' }, './agents/toolkits/sql': { types: { import: './agents/toolkits/sql.d.ts', default: './agents/toolkits/sql.d.ts', require: './agents/toolkits/sql.d.cts' }, import: './agents/toolkits/sql.js', require: './agents/toolkits/sql.cjs' }, './retrievers/ensemble': { types: { import: './retrievers/ensemble.d.ts', default: './retrievers/ensemble.d.ts', require: './retrievers/ensemble.d.cts' }, import: './retrievers/ensemble.js', require: './retrievers/ensemble.cjs' }, './storage/file_system': { types: { import: './storage/file_system.d.ts', default: './storage/file_system.d.ts', require: './storage/file_system.d.cts' }, import: './storage/file_system.js', require: './storage/file_system.cjs' }, './vectorstores/memory': { types: { import: './vectorstores/memory.d.ts', default: './vectorstores/memory.d.ts', require: './vectorstores/memory.d.cts' }, import: './vectorstores/memory.js', require: './vectorstores/memory.cjs' }, './experimental/autogpt': { types: { import: './experimental/autogpt.d.ts', default: './experimental/autogpt.d.ts', require: './experimental/autogpt.d.cts' }, import: './experimental/autogpt.js', require: './experimental/autogpt.cjs' }, './experimental/babyagi': { types: { import: './experimental/babyagi.d.ts', default: './experimental/babyagi.d.ts', require: './experimental/babyagi.d.cts' }, import: './experimental/babyagi.js', require: './experimental/babyagi.cjs' }, './experimental/masking': { types: { import: './experimental/masking.d.ts', default: './experimental/masking.d.ts', require: './experimental/masking.d.cts' }, import: './experimental/masking.js', require: './experimental/masking.cjs' }, './stores/doc/in_memory': { types: { import: './stores/doc/in_memory.d.ts', default: './stores/doc/in_memory.d.ts', require: './stores/doc/in_memory.d.cts' }, import: './stores/doc/in_memory.js', require: './stores/doc/in_memory.cjs' }, './chat_models/universal': { types: { import: './chat_models/universal.d.ts', default: './chat_models/universal.d.ts', require: './chat_models/universal.d.cts' }, import: './chat_models/universal.js', require: './chat_models/universal.cjs' }, './document_loaders/base': { types: { import: './document_loaders/base.d.ts', default: './document_loaders/base.d.ts', require: './document_loaders/base.d.cts' }, import: './document_loaders/base.js', require: './document_loaders/base.cjs' }, './retrievers/self_query': { types: { import: './retrievers/self_query.d.ts', default: './retrievers/self_query.d.ts', require: './retrievers/self_query.d.cts' }, import: './retrievers/self_query.js', require: './retrievers/self_query.cjs' }, './stores/file/in_memory': { types: { import: './stores/file/in_memory.d.ts', default: './stores/file/in_memory.d.ts', require: './stores/file/in_memory.d.cts' }, import: './stores/file/in_memory.js', require: './stores/file/in_memory.cjs' }, './chains/graph_qa/cypher': { types: { import: './chains/graph_qa/cypher.d.ts', default: './chains/graph_qa/cypher.d.ts', require: './chains/graph_qa/cypher.d.cts' }, import: './chains/graph_qa/cypher.js', require: './chains/graph_qa/cypher.cjs' }, './retrievers/multi_query': { types: { import: './retrievers/multi_query.d.ts', default: './retrievers/multi_query.d.ts', require: './retrievers/multi_query.d.cts' }, import: './retrievers/multi_query.js', require: './retrievers/multi_query.cjs' }, './schema/prompt_template': { types: { import: './schema/prompt_template.d.ts', default: './schema/prompt_template.d.ts', require: './schema/prompt_template.d.cts' }, import: './schema/prompt_template.js', require: './schema/prompt_template.cjs' }, './storage/encoder_backed': { types: { import: 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types: { import: './agents/format_scratchpad.d.ts', default: './agents/format_scratchpad.d.ts', require: './agents/format_scratchpad.d.cts' }, import: './agents/format_scratchpad.js', require: './agents/format_scratchpad.cjs' }, './agents/xml/output_parser': { types: { import: './agents/xml/output_parser.d.ts', default: './agents/xml/output_parser.d.ts', require: './agents/xml/output_parser.d.cts' }, import: './agents/xml/output_parser.js', require: './agents/xml/output_parser.cjs' }, './chains/combine_documents': { types: { import: './chains/combine_documents.d.ts', default: './chains/combine_documents.d.ts', require: './chains/combine_documents.d.cts' }, import: './chains/combine_documents.js', require: './chains/combine_documents.cjs' }, './chains/query_constructor': { types: { import: './chains/query_constructor.d.ts', default: './chains/query_constructor.d.ts', require: './chains/query_constructor.d.cts' }, import: './chains/query_constructor.js', require: './chains/query_constructor.cjs' }, './document_loaders/fs/json': { types: { import: './document_loaders/fs/json.d.ts', default: './document_loaders/fs/json.d.ts', require: './document_loaders/fs/json.d.cts' }, import: './document_loaders/fs/json.js', require: './document_loaders/fs/json.cjs' }, './document_loaders/fs/text': { types: { import: './document_loaders/fs/text.d.ts', default: './document_loaders/fs/text.d.ts', require: './document_loaders/fs/text.d.cts' }, import: './document_loaders/fs/text.js', require: './document_loaders/fs/text.cjs' }, './retrievers/time_weighted': { types: { import: './retrievers/time_weighted.d.ts', default: './retrievers/time_weighted.d.ts', require: './retrievers/time_weighted.d.cts' }, import: './retrievers/time_weighted.js', require: './retrievers/time_weighted.cjs' }, './schema/query_constructor': { types: { import: './schema/query_constructor.d.ts', default: './schema/query_constructor.d.ts', require: './schema/query_constructor.d.cts' }, import: './schema/query_constructor.js', require: './schema/query_constructor.cjs' }, './stores/message/in_memory': { types: { import: './stores/message/in_memory.d.ts', default: './stores/message/in_memory.d.ts', require: './stores/message/in_memory.d.cts' }, import: './stores/message/in_memory.js', require: './stores/message/in_memory.cjs' }, './experimental/openai_files': { types: { import: './experimental/openai_files.d.ts', default: './experimental/openai_files.d.ts', require: './experimental/openai_files.d.cts' }, import: './experimental/openai_files.js', require: './experimental/openai_files.cjs' }, './output_parsers/expression': { types: { import: './output_parsers/expression.d.ts', default: './output_parsers/expression.d.ts', require: './output_parsers/expression.d.cts' }, import: './output_parsers/expression.js', require: './output_parsers/expression.cjs' }, './agents/react/output_parser': { types: { import: './agents/react/output_parser.d.ts', default: './agents/react/output_parser.d.ts', require: './agents/react/output_parser.d.cts' }, import: './agents/react/output_parser.js', require: './agents/react/output_parser.cjs' }, './document_loaders/fs/buffer': { types: { import: './document_loaders/fs/buffer.d.ts', default: './document_loaders/fs/buffer.d.ts', require: './document_loaders/fs/buffer.d.cts' }, import: './document_loaders/fs/buffer.js', require: './document_loaders/fs/buffer.cjs' }, './retrievers/parent_document': { types: { import: './retrievers/parent_document.d.ts', default: './retrievers/parent_document.d.ts', require: './retrievers/parent_document.d.cts' }, import: './retrievers/parent_document.js', require: './retrievers/parent_document.cjs' }, './retrievers/score_threshold': { types: { import: './retrievers/score_threshold.d.ts', default: './retrievers/score_threshold.d.ts', require: './retrievers/score_threshold.d.cts' }, import: './retrievers/score_threshold.js', require: './retrievers/score_threshold.cjs' }, './agents/openai/output_parser': { types: { import: './agents/openai/output_parser.d.ts', default: './agents/openai/output_parser.d.ts', require: './agents/openai/output_parser.d.cts' }, import: './agents/openai/output_parser.js', require: './agents/openai/output_parser.cjs' }, './chains/query_constructor/ir': { types: { import: './chains/query_constructor/ir.d.ts', default: './chains/query_constructor/ir.d.ts', require: './chains/query_constructor/ir.d.cts' }, import: './chains/query_constructor/ir.js', require: './chains/query_constructor/ir.cjs' }, './agents/format_scratchpad/log': { types: { import: './agents/format_scratchpad/log.d.ts', default: './agents/format_scratchpad/log.d.ts', require: './agents/format_scratchpad/log.d.cts' }, import: './agents/format_scratchpad/log.js', require: './agents/format_scratchpad/log.cjs' }, './agents/format_scratchpad/xml': { types: { import: './agents/format_scratchpad/xml.d.ts', default: './agents/format_scratchpad/xml.d.ts', require: './agents/format_scratchpad/xml.d.cts' }, import: './agents/format_scratchpad/xml.js', require: './agents/format_scratchpad/xml.cjs' }, './document_loaders/fs/directory': { types: { import: './document_loaders/fs/directory.d.ts', default: './document_loaders/fs/directory.d.ts', require: './document_loaders/fs/directory.d.cts' }, import: './document_loaders/fs/directory.js', require: './document_loaders/fs/directory.cjs' }, './experimental/openai_assistant': { types: { import: './experimental/openai_assistant.d.ts', default: './experimental/openai_assistant.d.ts', require: './experimental/openai_assistant.d.cts' }, import: './experimental/openai_assistant.js', require: './experimental/openai_assistant.cjs' }, './experimental/plan_and_execute': { types: { import: './experimental/plan_and_execute.d.ts', default: './experimental/plan_and_execute.d.ts', require: './experimental/plan_and_execute.d.cts' }, import: './experimental/plan_and_execute.js', require: './experimental/plan_and_execute.cjs' }, './chains/history_aware_retriever': { types: { import: './chains/history_aware_retriever.d.ts', default: './chains/history_aware_retriever.d.ts', require: './chains/history_aware_retriever.d.cts' }, import: './chains/history_aware_retriever.js', require: './chains/history_aware_retriever.cjs' }, './document_loaders/fs/multi_file': { types: { import: './document_loaders/fs/multi_file.d.ts', default: './document_loaders/fs/multi_file.d.ts', require: './document_loaders/fs/multi_file.d.cts' }, import: './document_loaders/fs/multi_file.js', require: './document_loaders/fs/multi_file.cjs' }, './experimental/generative_agents': { types: { import: './experimental/generative_agents.d.ts', default: './experimental/generative_agents.d.ts', require: './experimental/generative_agents.d.cts' }, import: './experimental/generative_agents.js', require: './experimental/generative_agents.cjs' }, './chains/combine_documents/reduce': { types: { import: 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(.venv) pradeeptadash@Mac langgrap_notebooks %

dosubot[bot] commented 1 month ago

Hey @Pdash-exceeds! I'm here to help you with your LangChain.js issue. I'm a bot that can assist with bug-solving, answering questions, and contributing. Let's figure this out together!

The issue you're encountering with LANGCHAIN_TRACING_V2=true causing validation errors in the superGraph likely indicates a bug or misconfiguration related to tracing. The error "Key team_members not found in channels" suggests that the tracing feature might be interfering with the graph's validation process.

Here are a few steps you can take to troubleshoot or work around the issue:

  1. Check Configuration: Ensure that all necessary configurations and dependencies for tracing are correctly set up. Sometimes, missing configurations can lead to such errors.

  2. Review Dependencies: Verify that all dependencies are up to date and compatible with the version of LangChain.js you are using.

  3. Debugging: Add additional logging around the validation process to identify where the configuration might be failing when tracing is enabled.

  4. Disable Tracing: If tracing is not critical for your current development, consider disabling it as a temporary workaround.

  5. Report the Issue: If the problem persists, it might be helpful to report it as a bug with detailed information, including your environment and any specific configurations.

This issue seems to be specific to the interaction between tracing and the superGraph validation, so focusing on these areas might help identify the root cause.

To continue talking to Dosu, mention @dosu.

Pdash-exceeds commented 1 month ago

Sorry, this is a langgraph bug already reported by @timeff

Pdash-exceeds commented 1 month ago

https://github.com/langchain-ai/langgraphjs/issues/514