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    Object Storage Service:FAQ

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    Object Storage Service:FAQ

    Last Updated:Apr 26, 2023

    This topic describes the causes of and solutions to common errors that may occur when you use Object Storage Service (OSS) SDK for iOS.

    What do I do if the HTTP status code 4099 is reported when I call the API operations of OSS SDK for iOS?

    Description

    [Client] Updating selectors after delegate addition failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service with pid 91 named com.apple.commcenter.coretelephony.xpc was invalidated from this process." UserInfo={NSDebugDescription=The connection to service with pid 91 named com.apple.commcenter.coretelephony.xpc was invalidated from this process.}

    Cause

    The configuration of the iOS system development simulator is invalid.

    Solutions

    You can disable the log service feature to stop receiving messages and configure the com.apple.CoreTelephony subsystem at the system level by using one of the following methods:

    • Method 1

      xcrun simctl spawn booted log config --mode "level:off" --subsystem com.apple.CoreTelephony

    • Method 2

      sudo log config --mode "level:off" --subsystem com.apple.CoreTelephony