Google Pub/Sub Operation rejected due to system state not meeting required preconditions.

The system is not in a state required for the operation's execution.

Understanding Google Pub/Sub

Google Cloud Pub/Sub is a messaging service that allows you to send and receive messages between independent applications. It is designed to provide reliable, many-to-many, asynchronous messaging between applications. Pub/Sub decouples senders and receivers, allowing for secure and scalable communication.

Identifying the Symptom

When using Google Pub/Sub, you might encounter the error code FAILED_PRECONDITION. This error indicates that an operation was rejected because the system is not in the required state for the operation's execution. This can be frustrating as it halts the intended workflow.

Common Scenarios

Attempting to publish messages to a topic that does not exist.
Trying to subscribe to a subscription that is not properly configured.
Operations on resources that are in a pending deletion state.

Details About the FAILED_PRECONDITION Issue

The FAILED_PRECONDITION error is a common issue in distributed systems like Pub/Sub. It occurs when the current state of the system does not meet the preconditions required for the operation. This could be due to incorrect configurations, missing resources, or operations being performed out of order.

Root Causes

Resource not found: The topic or subscription might not exist.
Incorrect permissions: The service account might not have the necessary permissions.
Resource state: The resource might be in a state that does not allow the operation, such as being deleted or not yet fully created.

Steps to Fix the FAILED_PRECONDITION Issue

To resolve the FAILED_PRECONDITION error, follow these steps:

1. Verify Resource Existence

Ensure that the topic or subscription you are trying to access exists. You can list all topics and subscriptions using the Google Cloud SDK:

gcloud pubsub topics list gcloud pubsub subscriptions list

If the resource does not exist, create it using:

gcloud pubsub topics create YOUR_TOPIC_NAME gcloud pubsub subscriptions create YOUR_SUBSCRIPTION_NAME --topic=YOUR_TOPIC_NAME

2. Check Permissions

Ensure that your service account has the necessary permissions to perform the operation. You can check and update permissions in the Google Cloud Console under IAM & Admin.

3. Inspect Resource State

Ensure that the resource is not in a pending deletion state. If it is, you may need to recreate the resource or wait until the deletion process is complete.

Additional Resources

For more information on managing topics and subscriptions, refer to the Google Cloud Pub/Sub Documentation. If you continue to experience issues, consider reaching out to Google Cloud Support for further assistance.

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MORE ISSUES

Google Pub/Sub Messages are not being delivered in the expected order.

Message ordering is not enabled for the topic.

Google Pub/Sub INVALID_MESSAGE_ID error encountered when processing messages in Google Pub/Sub.

The message ID is invalid or does not exist.

Google Pub/Sub The total bytes in a batch exceed the maximum allowed limit.

The batch size in terms of bytes is too large for Google Pub/Sub to process.

Google Pub/Sub INVALID_BATCH_SIZE error encountered when publishing messages.

The batch size exceeds the maximum allowed limit.

Google Pub/Sub SCHEMA_COMPATIBILITY_ERROR

The message does not conform to the schema's compatibility requirements.

Google Pub/Sub INVALID_ORDERING_KEY error encountered when publishing messages.

The ordering key is invalid or not supported.

Google Pub/Sub INVALID_SCHEMA error encountered when publishing or subscribing to messages.

The schema configuration is invalid or unsupported.

Google Pub/Sub SCHEMA_NOT_FOUND error encountered when trying to publish or subscribe to messages.

The specified schema does not exist in the Google Pub/Sub configuration.

Google Pub/Sub Subscription expired error encountered when attempting to pull messages.

The subscription has expired due to inactivity.

Google Pub/Sub FILTER_TOO_COMPLEX error encountered when applying a filter expression in Google Pub/Sub.

The filter expression is too complex and exceeds the allowed complexity.

Google Pub/Sub INVALID_EXPIRATION_POLICY error encountered when configuring a subscription.

The expiration policy configuration is invalid.

Google Pub/Sub INVALID_ACK_DEADLINE error encountered when setting the acknowledgment deadline for a subscription.

The acknowledgment deadline is set to a value outside the permissible range of 10 to 600 seconds.

Google Pub/Sub INVALID_RETRY_POLICY

The retry policy configuration is invalid.

Google Pub/Sub DEAD_LETTER_TOPIC_NOT_FOUND error encountered when using Google Pub/Sub.

The specified dead letter topic does not exist.

Google Pub/Sub INVALID_DEAD_LETTER_POLICY

The dead letter policy configuration is invalid.

Google Pub/Sub EXCEEDED_MAX_TOPICS error encountered when creating a new topic in Google Pub/Sub.

The project has reached the maximum number of topics allowed.

Google Pub/Sub INVALID_FILTER error encountered when setting up a subscription filter in Google Pub/Sub.

The filter expression for the subscription is invalid.

Google Pub/Sub The push endpoint returned an error response.

The push endpoint server is not handling requests correctly.

Google Pub/Sub The push endpoint did not respond within the timeout period.

The push endpoint is not responsive or is unable to handle incoming requests promptly.

Google Pub/Sub EXCEEDED_MAX_BYTES

The subscription has too many unacknowledged bytes.

Google Pub/Sub The push endpoint could not be found.

The push endpoint URL is incorrect or the server is not running.

Google Pub/Sub PUSH_ENDPOINT_UNAUTHORIZED error when trying to send messages to a push endpoint.

The push endpoint does not authorize the Pub/Sub service to send messages.

Google Pub/Sub INVALID_PUSH_ENDPOINT error encountered when configuring a push subscription in Google Pub/Sub.

The push endpoint URL is invalid or unreachable.

Google Pub/Sub EXCEEDED_MAX_MESSAGES error encountered when using Google Pub/Sub.

The subscription has too many unacknowledged messages.

Google Pub/Sub EXCEEDED_MAX_SUBSCRIPTIONS

The project has reached the maximum number of subscriptions allowed.

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A subscription with the same name already exists in the project.

Google Pub/Sub INVALID_MESSAGE_FORMAT error encountered when publishing a message.

The message format is invalid or unsupported.

Google Pub/Sub Encountering the error code TOPIC_ALREADY_EXISTS when trying to create a new topic in Google Pub/Sub.

A topic with the same name already exists in the Google Pub/Sub service.

Google Pub/Sub INVALID_TOPIC_NAME error encountered when attempting to create or access a topic in Google Pub/Sub.

The topic name does not conform to the required format.

Google Pub/Sub INVALID_SUBSCRIPTION_NAME error encountered when trying to create or manage a subscription.

The subscription name does not conform to the required format.

Google Pub/Sub Subscriber client is being throttled.

Flow control settings are too restrictive.

Google Pub/Sub Publisher client is being throttled.

Flow control settings are too restrictive.

Google Pub/Sub Duplicate acknowledgment ID error encountered.

The ack ID has already been acknowledged.

Google Pub/Sub TOPIC_DELETED error encountered when attempting to publish or subscribe to a topic.

The topic you are trying to access has been deleted.

Google Pub/Sub The message exceeds the maximum allowed size.

The message payload is larger than the 10 MB limit set by Google Pub/Sub.

Google Pub/Sub INVALID_ACK_ID error encountered when acknowledging messages in Google Pub/Sub.

The ack ID is invalid or does not exist.

Google Pub/Sub ACK_DEADLINE_EXCEEDED

The message was not acknowledged within the configured ack deadline.

Google Pub/Sub Subscription not found error when trying to access a Google Pub/Sub subscription.

The subscription has been deleted.

Google Pub/Sub Encountering the UNIMPLEMENTED error when using Google Pub/Sub.

The operation is not implemented or not supported.

Google Pub/Sub An unknown error occurred in Google Pub/Sub.

The error code 'UNKNOWN' indicates an unspecified issue that could be due to various reasons such as network issues, service unavailability, or incorrect configurations.

Google Pub/Sub OUT_OF_RANGE error encountered during operation.

The operation was attempted past the valid range.

Google Pub/Sub Operation was cancelled unexpectedly.

The operation was cancelled, typically by the caller.

Google Pub/Sub Operation rejected due to system state not meeting required preconditions.

The system is not in a state required for the operation's execution.

Google Pub/Sub Operation aborted due to concurrency issue

The operation was aborted, typically due to a concurrency issue.

Google Pub/Sub The request contains an invalid argument.

The request parameters do not conform to the API specifications.

Google Pub/Sub INTERNAL error encountered during Pub/Sub operations.

An internal error occurred within the Pub/Sub service.

Google Pub/Sub UNAUTHENTICATED error when accessing Google Pub/Sub.

The request does not have valid authentication credentials.

Google Pub/Sub DEADLINE_EXCEEDED error encountered during Google Pub/Sub operations.

The operation took too long to complete.

Google Pub/Sub RESOURCE_EXHAUSTED error encountered when using Google Pub/Sub.

The project has exceeded its quota for the requested resource.

Google Pub/Sub PERMISSION_DENIED error encountered when accessing Google Pub/Sub resources.

The client does not have permission to access the requested resource.

Google Pub/Sub NOT_FOUND error when accessing a Google Pub/Sub resource.

The specified resource does not exist.

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The acknowledgment deadline is set to a value outside the permissible range of 10 to 600 seconds.

Google Pub/Sub The total bytes in a batch exceed the maximum allowed limit.

The batch size in terms of bytes is too large for Google Pub/Sub to process.

Google Pub/Sub INVALID_BATCH_SIZE error encountered when publishing messages.

The batch size exceeds the maximum allowed limit.

Google Pub/Sub INVALID_MESSAGE_ID error encountered when processing messages in Google Pub/Sub.

The message ID is invalid or does not exist.

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Message ordering is not enabled for the topic.

Google Pub/Sub SCHEMA_COMPATIBILITY_ERROR

The message does not conform to the schema's compatibility requirements.

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The ordering key is invalid or not supported.

Google Pub/Sub SCHEMA_NOT_FOUND error encountered when trying to publish or subscribe to messages.

The specified schema does not exist in the Google Pub/Sub configuration.

Google Pub/Sub INVALID_SCHEMA error encountered when publishing or subscribing to messages.

The schema configuration is invalid or unsupported.

Google Pub/Sub Subscription expired error encountered when attempting to pull messages.

The subscription has expired due to inactivity.

Google Pub/Sub DEAD_LETTER_TOPIC_NOT_FOUND error encountered when using Google Pub/Sub.

The specified dead letter topic does not exist.

Google Pub/Sub INVALID_EXPIRATION_POLICY error encountered when configuring a subscription.

The expiration policy configuration is invalid.

Google Pub/Sub INVALID_DEAD_LETTER_POLICY

The dead letter policy configuration is invalid.

Google Pub/Sub FILTER_TOO_COMPLEX error encountered when applying a filter expression in Google Pub/Sub.

The filter expression is too complex and exceeds the allowed complexity.

Google Pub/Sub The push endpoint did not respond within the timeout period.

The push endpoint is not responsive or is unable to handle incoming requests promptly.

Google Pub/Sub The push endpoint returned an error response.

The push endpoint server is not handling requests correctly.

Google Pub/Sub INVALID_RETRY_POLICY

The retry policy configuration is invalid.

Google Pub/Sub INVALID_FILTER error encountered when setting up a subscription filter in Google Pub/Sub.

The filter expression for the subscription is invalid.

Google Pub/Sub The push endpoint could not be found.

The push endpoint URL is incorrect or the server is not running.

Google Pub/Sub INVALID_PUSH_ENDPOINT error encountered when configuring a push subscription in Google Pub/Sub.

The push endpoint URL is invalid or unreachable.

Google Pub/Sub PUSH_ENDPOINT_UNAUTHORIZED error when trying to send messages to a push endpoint.

The push endpoint does not authorize the Pub/Sub service to send messages.

Google Pub/Sub EXCEEDED_MAX_BYTES

The subscription has too many unacknowledged bytes.

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The subscription has too many unacknowledged messages.

Google Pub/Sub EXCEEDED_MAX_SUBSCRIPTIONS

The project has reached the maximum number of subscriptions allowed.

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The project has reached the maximum number of topics allowed.

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A subscription with the same name already exists in the project.

Google Pub/Sub INVALID_MESSAGE_FORMAT error encountered when publishing a message.

The message format is invalid or unsupported.

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A topic with the same name already exists in the Google Pub/Sub service.

Google Pub/Sub INVALID_SUBSCRIPTION_NAME error encountered when trying to create or manage a subscription.

The subscription name does not conform to the required format.

Google Pub/Sub INVALID_TOPIC_NAME error encountered when attempting to create or access a topic in Google Pub/Sub.

The topic name does not conform to the required format.

Google Pub/Sub Subscriber client is being throttled.

Flow control settings are too restrictive.

Google Pub/Sub An unknown error occurred in Google Pub/Sub.

The error code 'UNKNOWN' indicates an unspecified issue that could be due to various reasons such as network issues, service unavailability, or incorrect configurations.

Google Pub/Sub OUT_OF_RANGE error encountered during operation.

The operation was attempted past the valid range.

Google Pub/Sub Publisher client is being throttled.

Flow control settings are too restrictive.

Google Pub/Sub INVALID_ACK_ID error encountered when acknowledging messages in Google Pub/Sub.

The ack ID is invalid or does not exist.

Google Pub/Sub Duplicate acknowledgment ID error encountered.

The ack ID has already been acknowledged.

Google Pub/Sub ACK_DEADLINE_EXCEEDED

The message was not acknowledged within the configured ack deadline.

Google Pub/Sub TOPIC_DELETED error encountered when attempting to publish or subscribe to a topic.

The topic you are trying to access has been deleted.

Google Pub/Sub Subscription not found error when trying to access a Google Pub/Sub subscription.

The subscription has been deleted.

Google Pub/Sub The message exceeds the maximum allowed size.

The message payload is larger than the 10 MB limit set by Google Pub/Sub.

Google Pub/Sub Encountering the UNIMPLEMENTED error when using Google Pub/Sub.

The operation is not implemented or not supported.

Google Pub/Sub Operation rejected due to system state not meeting required preconditions.

The system is not in a state required for the operation's execution.

Google Pub/Sub RESOURCE_EXHAUSTED error encountered when using Google Pub/Sub.

The project has exceeded its quota for the requested resource.

Google Pub/Sub PERMISSION_DENIED error encountered when accessing Google Pub/Sub resources.

The client does not have permission to access the requested resource.

Google Pub/Sub Operation aborted due to concurrency issue

The operation was aborted, typically due to a concurrency issue.

Google Pub/Sub NOT_FOUND error when accessing a Google Pub/Sub resource.

The specified resource does not exist.

Google Pub/Sub DEADLINE_EXCEEDED error encountered during Google Pub/Sub operations.

The operation took too long to complete.

Google Pub/Sub Operation was cancelled unexpectedly.

The operation was cancelled, typically by the caller.

Google Pub/Sub The request contains an invalid argument.

The request parameters do not conform to the API specifications.

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