NATS NATS_ERR_CLIENT_CONFIGURATION_ERROR

The client configuration contains errors or invalid settings.

NATS Message delivery failure in NATS.

Network issues or server unavailability.

NATS NATS_ERR_SERVER_RESTARTING

The NATS server is in the process of restarting, causing temporary unavailability.

NATS An invalid operation is attempted on a subscription.

The operation being performed is not supported or is incorrectly implemented for the subscription.

NATS NATS_ERR_CLIENT_OVERLOAD

The client is experiencing high load and cannot process messages efficiently.

NATS NATS_ERR_SUBSCRIPTION_QUEUE_FULL

The subscription's message queue is full, causing message loss.

NATS NATS_ERR_SERVER_CONNECTION_LIMIT

The server has reached its maximum connection limit and cannot accept new connections.

NATS NATS_ERR_CLIENT_CERTIFICATE_INVALID

The client's TLS certificate is invalid or expired.

NATS NATS_ERR_CLIENT_DISCONNECTING

The client is in the process of disconnecting from the server.

NATS NATS_ERR_SERVER_CERTIFICATE_INVALID

The server's TLS certificate is invalid or expired.

NATS NATS_ERR_INVALID_MESSAGE_PAYLOAD

The message payload is invalid or contains unsupported data types.

NATS NATS_ERR_CLIENT_TIMEOUT

The client has timed out while waiting for a response from the server.

NATS NATS_ERR_INVALID_SUBJECT_NAME

The subject name used in a publish or subscribe operation is invalid or malformed.

NATS Encountering the error code NATS_ERR_SUBSCRIPTION_ALREADY_EXISTS when attempting to create a new subscription.

A subscription with the same subject and queue group already exists.

NATS NATS_ERR_SERVER_UNAVAILABLE

The NATS server is temporarily unavailable, possibly due to maintenance or high load.

NATS NATS_ERR_MESSAGE_TOO_LARGE

The message size exceeds the maximum allowed by the server.

NATS NATS_ERR_CONNECTION_RESET

The connection to the server has been reset, possibly due to network issues.

NATS NATS_ERR_INVALID_SERVER_RESPONSE

The server has sent an invalid or unexpected response to the client.

NATS NATS_ERR_INVALID_CLIENT_CONFIGURATION

The client configuration contains invalid or conflicting settings.

NATS NATS_ERR_SERVER_NOT_FOUND

The specified NATS server cannot be found or is unreachable.

NATS NATS_ERR_SUBSCRIPTION_CLOSED

An operation is attempted on a subscription that has been closed.

NATS NATS_ERR_CONNECTION_DRAINING

The server is in the process of draining connections, preventing new connections from being established.

NATS NATS_ERR_INVALID_MESSAGE_FORMAT

The message format is not supported or is incorrectly structured.

NATS NATS_ERR_INVALID_QUEUE_GROUP

The specified queue group for a subscription is invalid or does not exist.

NATS NATS_ERR_SERVER_SHUTDOWN

The NATS server has been shut down, causing all client connections to be closed.

NATS NATS_ERR_CLIENT_PROTOCOL_MISMATCH

The client and server are using incompatible protocol versions.

NATS TLS handshake failure between NATS client and server.

Incorrect TLS certificates or misconfiguration.

NATS NATS_ERR_SERVER_NOT_RESPONDING

The server is not responding to client requests, possibly due to high load or network issues.

NATS NATS_ERR_SUBSCRIPTION_TIMEOUT

A subscription has timed out due to inactivity or network issues.

NATS The client is unexpectedly disconnected from the NATS server.

The client has been disconnected from the server, possibly due to network issues or server shutdown.

NATS An operation is attempted using an invalid or non-existent subscription ID.

The subscription ID used in the operation does not correspond to any active subscription.

NATS NATS_ERR_MESSAGE_QUEUE_FULL

The message queue for a subscriber is full, causing message loss.

NATS NATS_ERR_INVALID_CLIENT_PROTOCOL

The client is using an unsupported or outdated protocol version.

NATS NATS_ERR_SERVER_OVERLOAD

The NATS server is experiencing high load and cannot process requests efficiently.

NATS NATS_ERR_SUBSCRIPTION_NOT_FOUND

An operation is attempted on a subscription that does not exist.

NATS NATS_ERR_INVALID_MESSAGE

The message being published or received is malformed or contains invalid data.

NATS NATS_ERR_SERVER_DISCONNECTED

The client has been disconnected from the server due to network issues or server shutdown.

NATS Encountering the NATS_ERR_DUPLICATE_SUBSCRIPTION error.

A subscription with the same subject and queue group already exists.

NATS NATS_ERR_CLUSTER_NOT_READY

The NATS server cluster is not fully initialized or ready to accept connections.

NATS NATS_ERR_STALE_CONNECTION

The server has detected a stale connection and has closed it.

NATS NATS_ERR_NO_SERVERS_AVAILABLE

The client cannot find any available NATS servers to connect to.

NATS NATS_ERR_INVALID_CONFIGURATION

The server or client configuration contains invalid or conflicting settings.

NATS NATS_ERR_INVALID_SUBJECT

The subject used in a publish or subscribe operation is invalid or malformed.

NATS NATS_ERR_SLOW_CONSUMER

A subscriber is unable to process messages as fast as they are being received, leading to message loss.

NATS NATS_ERR_SUBSCRIPTION_LIMIT

The client has exceeded the maximum number of subscriptions allowed by the server.

NATS NATS_ERR_MAX_PAYLOAD_EXCEEDED

The message payload size exceeds the maximum allowed by the server.

NATS NATS_ERR_AUTHORIZATION_VIOLATION

The client is attempting to connect with invalid credentials or lacks the necessary permissions.

NATS NATS_ERR_CONNECTION_CLOSED

The connection to the NATS server has been closed unexpectedly.

NATS NATS_ERR_TIMEOUT

A request to the NATS server has timed out, possibly due to network latency or server overload.

NATS NATS_ERR_CONNECTION_REFUSED

The client is unable to connect to the NATS server because the server is not running or is unreachable.