Exception thrown due to an unknown error. An example of where this error may be returned is if a
Status value received from another address space belongs to an error-space that is not known in
this address space. Also errors raised by APIs that do not return enough error information may be
converted to this error.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-15 UTC."],[[["This page details the `UnknownException` class in the Google API Client Library for Java (gax), a subclass of `ApiException` that represents errors of an unknown nature."],["`UnknownException` is thrown when an error's status is unrecognized or when an API fails to provide sufficient error details."],["The `UnknownException` class provides constructors to create instances of itself with various combinations of parameters including a message, a cause, a status code, and a boolean indicating if the exception is retryable, and also ErrorDetails."],["The content also covers the different version changes in the library, all the way from 2.63.1 (latest) to 2.7.1, including links to their documentation."],["The UnknownException class inherits methods from both the `ApiException` class as well as the `Object` and `Throwable` classes."]]],[]]