Send feedback App Engine Documentation PHP Standard Environment Docs API Documentation \google\appengine\api\taskqueue\TransientTaskQueueException Thrown when there is a transient failure using Task Queue service, i.e. retrying may result in success. Was this page helpful? Let us know how we did: Send feedback Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated February 22, 2017.