Uses of Class
org.a2aproject.sdk.spec.A2AError

Packages that use A2AError

Package	Description
org.a2aproject.sdk.compat03.conversion
org.a2aproject.sdk.extras.opentelemetry	Common OpenTelemetry utilities and shared components for A2A Java SDK.
org.a2aproject.sdk.extras.opentelemetry.it
org.a2aproject.sdk.extras.queuemanager.replicated.core
org.a2aproject.sdk.extras.queuemanager.replicated.tests.multiinstance.common
org.a2aproject.sdk.grpc.utils
org.a2aproject.sdk.jsonrpc.common.wrappers	JSON-RPC 2.0 protocol message wrappers for the A2A Protocol.
org.a2aproject.sdk.server
org.a2aproject.sdk.server.agentexecution
org.a2aproject.sdk.server.auth
org.a2aproject.sdk.server.requesthandlers
org.a2aproject.sdk.server.tasks
org.a2aproject.sdk.spec	JSON processing exceptions for the A2A Java SDK.
org.a2aproject.sdk.transport.jsonrpc.handler	JSON-RPC transport handler implementations for the A2A protocol.
org.a2aproject.sdk.transport.rest.handler	REST transport handler implementations for the A2A protocol.

Uses of A2AError in org.a2aproject.sdk.compat03.conversion

Methods in org.a2aproject.sdk.compat03.conversion with parameters of type A2AError

Modifier and Type	Method	Description
static JSONRPCError_v0_3	ErrorConverter_v0_3.convertA2AError(A2AError v10Error)	Converts a v1.0 A2AError to a v0.3 JSONRPCError.

Methods in org.a2aproject.sdk.compat03.conversion that throw A2AError

Modifier and Type	Method	Description
Task_v0_3	Convert_v0_3_To10RequestHandler.onCancelTask(TaskIdParams_v0_3 v03Params, ServerCallContext context)	Cancels a task.
void	Convert_v0_3_To10RequestHandler.onDeleteTaskPushNotificationConfig(DeleteTaskPushNotificationConfigParams_v0_3 v03Params, ServerCallContext context)	Deletes a task push notification configuration.
Task_v0_3	Convert_v0_3_To10RequestHandler.onGetTask(TaskQueryParams_v0_3 v03Params, ServerCallContext context)	Gets a task by ID.
TaskPushNotificationConfig_v0_3	Convert_v0_3_To10RequestHandler.onGetTaskPushNotificationConfig(GetTaskPushNotificationConfigParams_v0_3 v03Params, ServerCallContext context)	Gets a task push notification configuration.
List<TaskPushNotificationConfig_v0_3>	Convert_v0_3_To10RequestHandler.onListTaskPushNotificationConfig(ListTaskPushNotificationConfigParams_v0_3 v03Params, ServerCallContext context)	Lists task push notification configurations.
EventKind_v0_3	Convert_v0_3_To10RequestHandler.onMessageSend(MessageSendParams_v0_3 v03Params, ServerCallContext context)	Sends a message (blocking).
Flow.Publisher<StreamingEventKind_v0_3>	Convert_v0_3_To10RequestHandler.onMessageSendStream(MessageSendParams_v0_3 v03Params, ServerCallContext context)	Sends a message (streaming).
Flow.Publisher<StreamingEventKind_v0_3>	Convert_v0_3_To10RequestHandler.onResubscribeToTask(TaskIdParams_v0_3 v03Params, ServerCallContext context)	Resubscribes to task updates (streaming).
TaskPushNotificationConfig_v0_3	Convert_v0_3_To10RequestHandler.onSetTaskPushNotificationConfig(TaskPushNotificationConfig_v0_3 v03Config, ServerCallContext context)	Sets (creates) a task push notification configuration.

Uses of A2AError in org.a2aproject.sdk.extras.opentelemetry

Methods in org.a2aproject.sdk.extras.opentelemetry that throw A2AError

Modifier and Type	Method	Description
Task	OpenTelemetryRequestHandlerDecorator.onCancelTask(CancelTaskParams params, ServerCallContext context)
TaskPushNotificationConfig	OpenTelemetryRequestHandlerDecorator.onCreateTaskPushNotificationConfig(TaskPushNotificationConfig params, ServerCallContext context)
void	OpenTelemetryRequestHandlerDecorator.onDeleteTaskPushNotificationConfig(DeleteTaskPushNotificationConfigParams params, ServerCallContext context)
Task	OpenTelemetryRequestHandlerDecorator.onGetTask(TaskQueryParams params, ServerCallContext context)
TaskPushNotificationConfig	OpenTelemetryRequestHandlerDecorator.onGetTaskPushNotificationConfig(GetTaskPushNotificationConfigParams params, ServerCallContext context)
ListTaskPushNotificationConfigsResult	OpenTelemetryRequestHandlerDecorator.onListTaskPushNotificationConfigs(ListTaskPushNotificationConfigsParams params, ServerCallContext context)
ListTasksResult	OpenTelemetryRequestHandlerDecorator.onListTasks(ListTasksParams params, ServerCallContext context)
EventKind	OpenTelemetryRequestHandlerDecorator.onMessageSend(MessageSendParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	OpenTelemetryRequestHandlerDecorator.onMessageSendStream(MessageSendParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	OpenTelemetryRequestHandlerDecorator.onSubscribeToTask(TaskIdParams params, ServerCallContext context)
void	OpenTelemetryRequestHandlerDecorator.validateRequestedTask(@Nullable String requestedTaskId)

Uses of A2AError in org.a2aproject.sdk.extras.opentelemetry.it

Methods in org.a2aproject.sdk.extras.opentelemetry.it that throw A2AError

Modifier and Type	Method	Description
void	SimpleAgentExecutor.cancel(RequestContext context, AgentEmitter emitter)
void	SimpleAgentExecutor.execute(RequestContext context, AgentEmitter emitter)

Uses of A2AError in org.a2aproject.sdk.extras.queuemanager.replicated.core

Methods in org.a2aproject.sdk.extras.queuemanager.replicated.core that return A2AError

Modifier and Type	Method	Description
A2AError	ReplicatedEventQueueItem.getErrorObject()	Get the A2AError field (for JSON serialization).

Methods in org.a2aproject.sdk.extras.queuemanager.replicated.core with parameters of type A2AError

Modifier and Type	Method	Description
void	ReplicatedEventQueueItem.setError(A2AError error)

Constructors in org.a2aproject.sdk.extras.queuemanager.replicated.core with parameters of type A2AError

Modifier	Constructor	Description
	ReplicatedEventQueueItem(String taskId, A2AError error)

Uses of A2AError in org.a2aproject.sdk.extras.queuemanager.replicated.tests.multiinstance.common

Methods in org.a2aproject.sdk.extras.queuemanager.replicated.tests.multiinstance.common that throw A2AError

Modifier and Type	Method	Description
void	MultiInstanceReplicationAgentExecutor.cancel(RequestContext context, AgentEmitter agentEmitter)
void	MultiInstanceReplicationAgentExecutor.execute(RequestContext context, AgentEmitter agentEmitter)

Uses of A2AError in org.a2aproject.sdk.grpc.utils

Methods in org.a2aproject.sdk.grpc.utils with parameters of type A2AError

Modifier and Type	Method	Description
static String	JSONRPCUtils.toJsonRPCErrorResponse(@Nullable Object requestId, A2AError error)

Uses of A2AError in org.a2aproject.sdk.jsonrpc.common.wrappers

Fields in org.a2aproject.sdk.jsonrpc.common.wrappers declared as A2AError

Modifier and Type	Field	Description
protected A2AError	A2AResponse.error	The error object if the invocation failed.

Methods in org.a2aproject.sdk.jsonrpc.common.wrappers that return A2AError

Modifier and Type	Method	Description
A2AError	A2AResponse.getError()	Gets the error object.

Constructors in org.a2aproject.sdk.jsonrpc.common.wrappers with parameters of type A2AError

Modifier	Constructor	Description
	A2AErrorResponse(Object id, A2AError error)	Constructs a JSON-RPC error response with a request ID and error.
	A2AErrorResponse(String jsonrpc, Object id, Void result, A2AError error)	Constructs a JSON-RPC error response with all fields.
	A2AErrorResponse(A2AError error)	Constructs a JSON-RPC error response without a request ID.
	A2AResponse(String jsonrpc, Object id, T result, A2AError error, Class<T> resultType)	Constructs a JSON-RPC response.
	CancelTaskResponse(Object id, A2AError error)	Constructs a CancelTaskResponse with an error.
	CancelTaskResponse(String jsonrpc, Object id, Task result, A2AError error)	Constructs a CancelTaskResponse with full parameters.
	CreateTaskPushNotificationConfigResponse(Object id, A2AError error)	Constructs error response.
	CreateTaskPushNotificationConfigResponse(String jsonrpc, Object id, TaskPushNotificationConfig result, A2AError error)	Constructs response with all parameters.
	DeleteTaskPushNotificationConfigResponse(Object id, A2AError error)	Creates a new error DeleteTaskPushNotificationConfigResponse with default JSON-RPC version.
	DeleteTaskPushNotificationConfigResponse(String jsonrpc, Object id, Void result, A2AError error)	Creates a new DeleteTaskPushNotificationConfigResponse with full JSON-RPC parameters.
	GetExtendedAgentCardResponse(Object id, A2AError error)	Constructs error response.
	GetExtendedAgentCardResponse(String jsonrpc, Object id, AgentCard result, A2AError error)	Constructs response with full parameters.
	GetTaskPushNotificationConfigResponse(Object id, A2AError error)	Constructs error response.
	GetTaskPushNotificationConfigResponse(String jsonrpc, Object id, TaskPushNotificationConfig result, A2AError error)	Constructs response with full parameters.
	GetTaskResponse(Object id, A2AError error)	Constructs error response.
	GetTaskResponse(String jsonrpc, Object id, Task result, A2AError error)	Constructs response with full parameters.
	ListTaskPushNotificationConfigsResponse(Object id, A2AError error)	Constructs error response.
	ListTaskPushNotificationConfigsResponse(String jsonrpc, Object id, ListTaskPushNotificationConfigsResult result, A2AError error)	Constructs response with all parameters.
	ListTasksResponse(Object id, A2AError error)	Constructs error response.
	ListTasksResponse(String jsonrpc, Object id, ListTasksResult result, A2AError error)	Constructs response with all parameters.
	SendMessageResponse(Object id, A2AError error)	Constructs error response.
	SendMessageResponse(String jsonrpc, Object id, EventKind result, A2AError error)	Constructs response with all parameters.
	SendStreamingMessageResponse(Object id, A2AError error)	Constructs error response.
	SendStreamingMessageResponse(String jsonrpc, Object id, StreamingEventKind result, A2AError error)	Constructs response with all parameters.

Uses of A2AError in org.a2aproject.sdk.server

Methods in org.a2aproject.sdk.server that return A2AError

Modifier and Type	Method	Description
A2AError	JSONRPCException.getError()	Returns the wrapped JSON-RPC error.

Constructors in org.a2aproject.sdk.server with parameters of type A2AError

Modifier	Constructor	Description
	JSONRPCException(A2AError error)	Creates a JSONRPCException wrapping the specified error.

Uses of A2AError in org.a2aproject.sdk.server.agentexecution

Methods in org.a2aproject.sdk.server.agentexecution that throw A2AError

Modifier and Type	Method	Description
void	AgentExecutor.cancel(RequestContext context, AgentEmitter emitter)	Cancels an ongoing agent execution.
void	AgentExecutor.execute(RequestContext context, AgentEmitter emitter)	Executes the agent's business logic for a message.

Uses of A2AError in org.a2aproject.sdk.server.auth

Methods in org.a2aproject.sdk.server.auth that throw A2AError

Modifier and Type	Method	Description
boolean	TaskAuthorizationProvider.checkCreate(ServerCallContext context, TaskOperation operation)	Check whether the current user is allowed to create a new task.
boolean	TaskAuthorizationProvider.checkRead(ServerCallContext context, String taskId, TaskOperation operation)	Check whether the current user is allowed to read the given task.
boolean	TaskAuthorizationProvider.checkWrite(ServerCallContext context, String taskId, TaskOperation operation)	Check whether the current user is allowed to write to the given task.
boolean	TaskAuthorizationProvider.isTaskRecorded(String taskId)	Check whether the given task is already known to this provider.
void	TaskAuthorizationProvider.recordOwnership(ServerCallContext context, String taskId, TaskOperation operation)	Record that the current user owns the given task.

Uses of A2AError in org.a2aproject.sdk.server.requesthandlers

Methods in org.a2aproject.sdk.server.requesthandlers that throw A2AError

Modifier and Type	Method	Description
Task	AuthorizationRequestHandlerDecorator.onCancelTask(CancelTaskParams params, ServerCallContext context)
Task	DefaultRequestHandler.onCancelTask(CancelTaskParams params, ServerCallContext context)
Task	RequestHandler.onCancelTask(CancelTaskParams params, ServerCallContext context)
TaskPushNotificationConfig	AuthorizationRequestHandlerDecorator.onCreateTaskPushNotificationConfig(TaskPushNotificationConfig params, ServerCallContext context)
TaskPushNotificationConfig	DefaultRequestHandler.onCreateTaskPushNotificationConfig(TaskPushNotificationConfig params, ServerCallContext context)
TaskPushNotificationConfig	RequestHandler.onCreateTaskPushNotificationConfig(TaskPushNotificationConfig params, ServerCallContext context)
void	AuthorizationRequestHandlerDecorator.onDeleteTaskPushNotificationConfig(DeleteTaskPushNotificationConfigParams params, ServerCallContext context)
void	RequestHandler.onDeleteTaskPushNotificationConfig(DeleteTaskPushNotificationConfigParams params, ServerCallContext context)
Task	AuthorizationRequestHandlerDecorator.onGetTask(TaskQueryParams params, ServerCallContext context)
Task	DefaultRequestHandler.onGetTask(TaskQueryParams params, ServerCallContext context)
Task	RequestHandler.onGetTask(TaskQueryParams params, ServerCallContext context)
TaskPushNotificationConfig	AuthorizationRequestHandlerDecorator.onGetTaskPushNotificationConfig(GetTaskPushNotificationConfigParams params, ServerCallContext context)
TaskPushNotificationConfig	DefaultRequestHandler.onGetTaskPushNotificationConfig(GetTaskPushNotificationConfigParams params, ServerCallContext context)
TaskPushNotificationConfig	RequestHandler.onGetTaskPushNotificationConfig(GetTaskPushNotificationConfigParams params, ServerCallContext context)
ListTaskPushNotificationConfigsResult	AuthorizationRequestHandlerDecorator.onListTaskPushNotificationConfigs(ListTaskPushNotificationConfigsParams params, ServerCallContext context)
ListTaskPushNotificationConfigsResult	DefaultRequestHandler.onListTaskPushNotificationConfigs(ListTaskPushNotificationConfigsParams params, ServerCallContext context)
ListTaskPushNotificationConfigsResult	RequestHandler.onListTaskPushNotificationConfigs(ListTaskPushNotificationConfigsParams params, ServerCallContext context)
ListTasksResult	AuthorizationRequestHandlerDecorator.onListTasks(ListTasksParams params, ServerCallContext context)
ListTasksResult	DefaultRequestHandler.onListTasks(ListTasksParams params, ServerCallContext context)
ListTasksResult	RequestHandler.onListTasks(ListTasksParams params, ServerCallContext context)
EventKind	AuthorizationRequestHandlerDecorator.onMessageSend(MessageSendParams params, ServerCallContext context)
EventKind	DefaultRequestHandler.onMessageSend(MessageSendParams params, ServerCallContext context)
EventKind	RequestHandler.onMessageSend(MessageSendParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	AuthorizationRequestHandlerDecorator.onMessageSendStream(MessageSendParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	DefaultRequestHandler.onMessageSendStream(MessageSendParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	RequestHandler.onMessageSendStream(MessageSendParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	AuthorizationRequestHandlerDecorator.onSubscribeToTask(TaskIdParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	DefaultRequestHandler.onSubscribeToTask(TaskIdParams params, ServerCallContext context)
Flow.Publisher<StreamingEventKind>	RequestHandler.onSubscribeToTask(TaskIdParams params, ServerCallContext context)
void	AuthorizationRequestHandlerDecorator.validateRequestedTask(@Nullable String requestedTaskId)
void	DefaultRequestHandler.validateRequestedTask(@Nullable String requestedTaskId)
void	RequestHandler.validateRequestedTask(@Nullable String requestedTaskId)

Uses of A2AError in org.a2aproject.sdk.server.tasks

Methods in org.a2aproject.sdk.server.tasks with parameters of type A2AError

Modifier and Type	Method	Description
void	AgentEmitter.fail(A2AError error)	Enqueues an A2A error event which will automatically transition the task to FAILED.

Methods in org.a2aproject.sdk.server.tasks that throw A2AError

Modifier and Type	Method	Description
ResultAggregator.EventTypeAndInterrupt	ResultAggregator.consumeAndBreakOnInterrupt(EventConsumer consumer, boolean blocking)

Uses of A2AError in org.a2aproject.sdk.spec

Subclasses of A2AError in org.a2aproject.sdk.spec

Modifier and Type	Class	Description
class	A2AProtocolError	Represents a protocol-level error in the A2A Protocol.
class	ContentTypeNotSupportedError	A2A Protocol error indicating incompatibility between requested content types and agent capabilities.
class	ExtendedAgentCardNotConfiguredError	A2A Protocol error indicating that the agent does not have an authenticated extended card configured.
class	ExtensionSupportRequiredError	A2A Protocol error indicating that a client requested use of an extension marked as required but did not declare support for it.
class	InternalError	JSON-RPC error indicating an internal error occurred on the server.
class	InvalidAgentResponseError	A2A Protocol error indicating that an agent returned a response not conforming to protocol specifications.
class	InvalidParamsError	JSON-RPC error indicating that method parameters are invalid or missing required fields.
class	InvalidRequestError	JSON-RPC error indicating that the request payload is not a valid JSON-RPC Request object.
class	JSONParseError	JSON-RPC error indicating that the server received invalid JSON that could not be parsed.
class	MethodNotFoundError	JSON-RPC error indicating that the requested method does not exist or is not available.
class	PushNotificationNotSupportedError	A2A Protocol error indicating that the agent does not support push notifications.
class	TaskNotCancelableError	A2A Protocol error indicating that a task cannot be canceled in its current state.
class	TaskNotFoundError	A2A Protocol error indicating that the requested task ID does not exist.
class	UnsupportedOperationError	A2A Protocol error indicating that the requested operation is not supported by the agent.
class	VersionNotSupportedError	A2A Protocol error indicating that the A2A protocol version specified in the request is not supported by the agent.

Uses of A2AError in org.a2aproject.sdk.transport.jsonrpc.handler

Methods in org.a2aproject.sdk.transport.jsonrpc.handler that throw A2AError

Modifier and Type	Method	Description
Flow.Publisher<SendStreamingMessageResponse>	JSONRPCHandler.onSubscribeToTask(SubscribeToTaskRequest request, ServerCallContext context)	Subscribes to task updates via a streaming connection.

Uses of A2AError in org.a2aproject.sdk.transport.rest.handler

Methods in org.a2aproject.sdk.transport.rest.handler with parameters of type A2AError

Modifier and Type	Method	Description
RestHandler.HTTPRestResponse	RestHandler.createErrorResponse(A2AError error)	Creates an HTTP error response from an A2A error.