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"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis webpage details the \u003ccode\u003eUnknownException\u003c/code\u003e class in the Google API Client Library for Java (gax), highlighting that it is an exception thrown for errors that are unknown or lack sufficient information.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available of this class is version 2.63.1, and many versions are available with links provided, dating as far back as version 2.7.1.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eUnknownException\u003c/code\u003e extends \u003ccode\u003eApiException\u003c/code\u003e, inheriting methods such as \u003ccode\u003egetDomain()\u003c/code\u003e, \u003ccode\u003egetErrorDetails()\u003c/code\u003e, and \u003ccode\u003egetStatusCode()\u003c/code\u003e, and it also includes multiple methods inherited from the Object and Throwable classes.\u003c/p\u003e\n"],["\u003cp\u003eThere are three constructors available for \u003ccode\u003eUnknownException\u003c/code\u003e, allowing for the inclusion of a message, a cause, status code, retryable flag, and in one, ErrorDetails.\u003c/p\u003e\n"]]],[],null,[]]