PersistedQueryNotFound

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Introduction

The PersistedQueryNotFound error is a common issue encountered by developers and users alike when working with GraphQL APIs. This error occurs when the GraphQL client is unable to find a persisted query, which is a cached query that has been stored on the server-side. In this article, we will delve into the causes of the PersistedQueryNotFound error, provide a step-by-step guide to reproducing the issue, and offer solutions to resolve the problem.

Description

The PersistedQueryNotFound error is typically encountered when a GraphQL client attempts to execute a query that has not been persisted on the server-side. This error can occur due to various reasons, including:

  • Invalid or missing persisted queries: If the persisted queries are not properly configured or are missing, the GraphQL client will throw a PersistedQueryNotFound error.
  • Cache issues: Cache-related issues, such as cache expiration or cache invalidation, can lead to the PersistedQueryNotFound error.
  • Server-side configuration: Server-side configuration issues, such as incorrect query caching settings, can also cause the PersistedQueryNotFound error.

To Reproduce

To reproduce the PersistedQueryNotFound error, follow these steps:

  1. Start the miner: Begin by starting the miner application.
  2. Error: Observe the error message, which should indicate a PersistedQueryNotFound error.

Expected Behavior

The expected behavior is that the miner application should launch successfully without encountering any errors.

Observed Behavior

The observed behavior is that the miner application fails to start due to the PersistedQueryNotFound error.

Screenshots

No screenshots are available for this issue.

Logs

The logs for this issue are as follows:

19:59:03: Logging level: CALL
19:59:04: INFO: Checking login
19:59:04: INFO: Restoring session from cookie
19:59:04: INFO: Login successful, user ID: XXXXXXXX
19:59:04: INFO: Websocket[0] connecting...
19:59:05: INFO: Websocket[0] connected.
19:59:26: Required_minutes for "Split 2 Drop" from "League of Legends" is 0. This could be due to a subscription requirement, tracked in Issue #101. Take a look at the drop, but this can likely be ignored.
19:59:30: Required_minutes for "Paint & Decal" from "War Robots: Frontiers" is 0. This could be due to a subscription requirement, tracked in Issue #101. Take a look at the drop, but this can likely be ignored.
19:59:35: Earned points for watching:  10, total: 80281
19:59:35: Earned points for watching: 450, total: 80731
19:59:37: CALL: Maintenance task waiting until: 20:29:37 (Points)
19:59:38: Fatal error encountered:
19:59:38: 
19:59:38: Traceback (most recent call last):
19:59:38:   File "channel.py", line 249, in get_stream
19:59:38:   File "witch.py", line 1578, in gql_request
19:59:38: exceptions.MinerException: GQL error: [{'message': 'PersistedQueryNotFound'}]
19:59:38: 
19:59:38: The above exception was the direct cause of the following exception:
19:59:38: 
19:59:38: Traceback (most recent call last):
19:59:38:   File "main.py", line 160, in main
19:59:38:   File "twitch.py", line 772, in run
19:59:38:   File "twitch.py", line 915, in _run
19:59:38:   File "channel.py", line 286, in update_stream
19:59:38:   File "channel.py", line 253, in get_stream
19:59:38: exceptions.MinerException: Channel: boyminoru
19:59:38: 
19:59:38: Exiting...
19:59:38: INFO: Websocket[0] stopped.
19:59:39: 
19:59:39: Application Terminated.
19:59:39: Close the window to exit the application.

OS

The operating system used for this issue is Windows 10.

Build

The build used for this issue is an executable file.

Version/Commit

The latest version/commit is used for this issue.

Additional Context

No additional context is available for this issue.

Solutions

To resolve the PersistedQueryNotFound error, follow these solutions:

Solution 1: Verify Persisted Queries

Verify that the persisted queries are properly configured and stored on the server-side. Ensure that the queries are correctly cached and that the cache is not expired or invalidated.

Solution 2: Check Server-Side Configuration

Check the server-side configuration to ensure that the query caching settings are correct. Verify that the cache is properly configured and that the cache expiration and invalidation settings are correct.

Solution 3: Update GraphQL Client

Update the GraphQL client to the latest version, which may include bug fixes and improvements to resolve the PersistedQueryNotFound error.

Solution 4: Clear Cache

Clear the cache on the server-side to resolve any cache-related issues that may be causing the PersistedQueryNotFound error.

Solution 5: Contact Support

If none of the above solutions resolve the issue, contact the support team for further assistance and guidance.

Introduction

The PersistedQueryNotFound error is a common issue encountered by developers and users alike when working with GraphQL APIs. In our previous article, we delved into the causes of the PersistedQueryNotFound error, provided a step-by-step guide to reproducing the issue, and offered solutions to resolve the problem. In this article, we will provide a Q&A section to address some of the most frequently asked questions related to the PersistedQueryNotFound error.

Q&A

Q: What is the PersistedQueryNotFound error?

A: The PersistedQueryNotFound error is a GraphQL error that occurs when the GraphQL client is unable to find a persisted query, which is a cached query that has been stored on the server-side.

Q: What are the causes of the PersistedQueryNotFound error?

A: The causes of the PersistedQueryNotFound error include:

  • Invalid or missing persisted queries: If the persisted queries are not properly configured or are missing, the GraphQL client will throw a PersistedQueryNotFound error.
  • Cache issues: Cache-related issues, such as cache expiration or cache invalidation, can lead to the PersistedQueryNotFound error.
  • Server-side configuration: Server-side configuration issues, such as incorrect query caching settings, can also cause the PersistedQueryNotFound error.

Q: How do I reproduce the PersistedQueryNotFound error?

A: To reproduce the PersistedQueryNotFound error, follow these steps:

  1. Start the miner: Begin by starting the miner application.
  2. Error: Observe the error message, which should indicate a PersistedQueryNotFound error.

Q: What is the expected behavior when encountering the PersistedQueryNotFound error?

A: The expected behavior is that the miner application should launch successfully without encountering any errors.

Q: What is the observed behavior when encountering the PersistedQueryNotFound error?

A: The observed behavior is that the miner application fails to start due to the PersistedQueryNotFound error.

Q: How do I resolve the PersistedQueryNotFound error?

A: To resolve the PersistedQueryNotFound error, follow these solutions:

  • Verify persisted queries: Verify that the persisted queries are properly configured and stored on the server-side.
  • Check server-side configuration: Check the server-side configuration to ensure that the query caching settings are correct.
  • Update GraphQL client: Update the GraphQL client to the latest version, which may include bug fixes and improvements to resolve the PersistedQueryNotFound error.
  • Clear cache: Clear the cache on the server-side to resolve any cache-related issues that may be causing the PersistedQueryNotFound error.
  • Contact support: If none of the above solutions resolve the issue, contact the support team for further assistance and guidance.

Q: What are some common mistakes that can lead to the PersistedQueryNotFound error?

A: Some common mistakes that can lead to the PersistedQueryNotFound error include:

  • Incorrect query caching settings: Incorrect query caching settings can lead to the PersistedQueryNotFound error.
  • Missing or invalid persisted queries: Missing or invalid persisted queries can lead to the PersistedQueryNotFound error.
  • Cache expiration or invalidation issues: Cache or invalidation issues can lead to the PersistedQueryNotFound error.

Q: How can I prevent the PersistedQueryNotFound error from occurring in the future?

A: To prevent the PersistedQueryNotFound error from occurring in the future, follow these best practices:

  • Verify persisted queries: Verify that the persisted queries are properly configured and stored on the server-side.
  • Check server-side configuration: Check the server-side configuration to ensure that the query caching settings are correct.
  • Update GraphQL client: Update the GraphQL client to the latest version, which may include bug fixes and improvements to resolve the PersistedQueryNotFound error.
  • Clear cache regularly: Clear the cache on the server-side regularly to resolve any cache-related issues that may be causing the PersistedQueryNotFound error.

By following these best practices and solutions, you should be able to resolve the PersistedQueryNotFound error and ensure that your application launches successfully without encountering any errors.