conductor-oss/conductor

Documented errors, page 3 of 4. Back to conductor-oss/conductor

Code / MessageTypeSeverityTags
Connection pool failed to start within
exception error postgres, vectordb, connection-pool, database, timeout
inspectPlan: plan is required
validation error validation, inspect-plan, plan, bad-request
protogen configuration incomplete, please provide all…
validation error protogen, build, configuration, cli
Unknown termination type
validation error termination, config-validation, agentspan
SKILL.md is missing required YAML frontmatter
validation error java, conductor, skill-registry, yaml, frontmatter, validation
Long Poll Timeout value cannot be more than 5 seconds
validation error poll, task, timeout, validation, api
Agent execution requires a non-empty prompt, at least one…
validation error validation, start, bad-request, empty-input
File has no workflowId
exception error file-storage, data-integrity, authorization, forbidden, conductor, java
No data found in SSE response
exception error a2a, sse, protocol-violation, retryable
Gemini generateImages failed
exception error gemini, image-generation, network, io, imagen
no configuration found for
exception error ai, llm, configuration, bean-registration
llmProvider not specified
exception error ai, llm, configuration, input-validation
This method is not implemented in CassandraPollDataDAO…
exception error cassandra, poll-data, unsupported, configuration, backend
Script execution interrupted
exception error conductor, graalvm, javascript, script-evaluation, interruption, non-transient
Composite termination must have at least one sub-condition
validation error termination, composite, nested, config-validation, agentspan
Tasks of multiple workflows cannot be created/updated…
exception error cassandra, persistence, non-transient, data-integrity, validation, task, dao
MCP headers must not contain CR or LF characters
validation error mcp, security, header-injection, input-validation, crlf
No agent execution found
http warning not-found, stop, lifecycle, execution
workflowDefinition is a string, but not a valid DSL string
validation error subworkflow, validation, dsl, json, input
No tasks found to be executed
exception warning conductor, workflow, decider, workflow-definition, configuration
There is no queue for handling
exception error conductor, event-queue, queue, configuration, status
Unknown queue type
exception error events, queue, illegal-argument, provider, configuration
agentUrl is not a valid URL
validation error a2a, ssrf, url-parsing, dns, non-retryable
agentVersion requires agentName
validation error validation, start, bad-request, agent-name
JSON-RPC error
exception error mcp, json-rpc, protocol-error, method-not-found
Cannot open channel on
exception error amqp, rabbitmq, channel, io
,"response": }
exception error ai, llm, json-output, empty-response
message + " " + uuidString
exception error cassandra, uuid, validation, persistence
Queue URI doesn't matches the expected regexp
validation error amqp, configuration, validation, uri
Skill package contains duplicate script tool name
exception error java, conductor, skill-registry, scripts, validation, package-integrity
Workflow does not own file
exception error file-storage, authorization, ownership, forbidden, conductor, java
markdown content must not be null
validation error pdf, markdown, null-input, validation, input-validation
MCP server exceeded the redirect limit
exception error mcp, network, http-redirect, redirect-loop
Gemini generateContent failed
exception error gemini, network, io, chat, vertex-ai
SubWorkflow name is null and no workflowDefinition supplied
exception error sub-workflow, workflow-definition, input-validation, non-transient
Workflow timed out after
exception error conductor, workflow, decider, workflow-timeout, terminate-workflow, time-out-wf
Invalid skill name ' '. Use 1-128 characters: letters…
validation error skill-registry, naming, validation, metadata
priority MUST be between 0 and 99 (inclusive)
validation error workflow-model, priority, validation, input-validation
Unsupported agent framework
validation error normalizer, framework, config-validation, agentspan, spring
Error evaluating the script
exception error conductor, graalvm, javascript, script-evaluation, polyglot, terminate-workflow, unexpected
duplicate type declaration:
exception error protogen, protobuf, type-mapping, codegen
Failed to parse SSE data as JSON
exception error mcp, sse, json-parse, malformed-response
Workflow cannot access file
exception error file-storage, authorization, family-access, forbidden, conductor, java
Bad/Unsupported schema?
exception error ai, llm, json-schema, configuration
Delivery mode must be 1 or 2
validation error amqp, configuration, validation
Error fetching workflow def
exception error cassandra, workflow-definition, transient, network, driver, read
Output does not Confirm to the schema. errors
exception error ai, llm, json-schema, validation
A2A stream to failed
exception error a2a, network, streaming, retryable
Image generation not supported by Cohere
exception error cohere, image-generation, unsupported-operation, capability-mismatch
Skill package contains oversized file
exception error java, conductor, skill-registry, size-limit, zip, validation
Skill package exceeds max size of
exception error java, conductor, skill-registry, size-limit, validation
condition exceeds 1024 characters
validation error agentspan, condition-interpreter, length-limit, validation
SWARM handoff target must name a swarm agent
validation error swarm, handoff, config-validation, agentspan, target-resolution
A2A call ' ' to failed
exception error a2a, network, json-rpc, retryable
Queue name is undefined
validation error amqp, configuration, validation, queue
Error uploading to S3 - path
exception error s3, aws, network, transient, storage, iam
Failed to remove workflow definition
exception error cassandra, workflow-definition, transient, network, driver, delete
Hosts are undefined
validation error amqp, config, validation
OpenAI Video download failed with status
exception error openai, video, sora, http, download
Timeout while connecting to
exception critical amqp, rabbitmq, connection, timeout, network
Workflow is in terminal state. Status =
exception error conductor, workflow, lifecycle, conflict, terminal-state, reset-callbacks
File is not accepting content uploads
exception warning file-storage, upload, state, conflict, conductor, java
Workflow message queue for workflowId=
exception error queue, in-memory, back-pressure, configuration, workflow-message
Error evaluating the script
exception error conductor, graalvm, javascript, script-evaluation, polyglot, terminate-workflow
File not yet uploaded
validation error file-storage, upload, state, download, conductor, java
No such task found by taskId
exception error task, queue, not-found, api
Skill package exceeds max file count of
exception error java, conductor, skill-registry, size-limit, zip, validation
Unknown termination type in composite
validation error termination, composite, config-validation, agentspan
No such workflow found by name
exception error workflow, workflow-def, not-found, conductor, java
Skill package contains duplicate path
exception error java, conductor, skill-registry, zip, validation, package-integrity
Failed to remove event handler
exception error cassandra, event-handler, delete, transient, persistence
Missing required field
validation error skill-registry, metadata, required-field, validation
Virtual host is null or empty
validation error amqp, config, validation
workflowDefinition must be either null, or WorkflowDef, or…
validation error subworkflow, validation, type-mismatch, json, input
skillRef is required
exception error java, conductor, skill-registry, validation, agent
Invalid index name
validation error mongodb, vectordb, validation, injection-guard
Access denied: path traversal sequences are not allowed
validation critical security, path-traversal, access-control, document-loader, injection
cannot map non-scalar map key:
exception error protogen, protobuf, type-mapping, codegen
Error creating/updating event handler
exception error cassandra, event-handler, write, transient, persistence
Image Generation API failed with status
exception error openai, image-generation, http-error, network, api-error, ai
Error parsing the json schema
exception error ai, llm, json-schema, serialization
missing Jar file
exception error protogen, build, configuration, classpath
Error creating workflow definition
exception error cassandra, workflow-definition, transient, network, driver
Error creating tasks for workflow
exception error cassandra, task, write, batch, transient, persistence
Invalid response: 'tools' field is missing or not an array
exception error mcp, json-rpc, schema-validation, malformed-response
environment variables are disabled
exception warning environment-variables, disabled, noop, configuration, unsupported-operation
Invalid skill version
validation error skill-registry, versioning, validation, metadata
Stability AI API failed with status
exception error stabilityai, image-generation, http, api-key, credits
Start request is required
validation error validation, start, bad-request, null-input
Unknown termination type in nested composite
validation error termination, composite, nested, config-validation, agentspan
Error retrieving all workflow defs latest versions
exception error cassandra, workflow-definition, transient, network, driver, list
Retries completed. Cannot open
exception error amqp, rabbitmq, channel, retry, io
Settings are undefined
validation error amqp, config, validation
File not found
exception error file-storage, not-found, conductor, java
Error de-serializing json
exception error cassandra, json-deserialization, jackson, persistence
Exchange type is undefined
validation error amqp, configuration, validation, queue
Invalid model format
validation error agent, model-parser, validation, input, format
OpenAI Video download failed with status
exception error openai, video, sora, http, download, streaming
Missing connection URL - please check…
validation critical postgres, vectordb, configuration, database, connection
on_condition requires a nonblank taskName
validation error swarm, handoff, on-condition, config-validation, agentspan, worker-task