突然不能下载？Could not find com.github

早上还好好的，下午rebuild提示错误

FAILURE: Build completed with 13 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':app:compileFlavor_hjzxDebugAidl'.
> Could not resolve all files for configuration ':app:flavor_hjzxDebugCompileClasspath'.
   > Could not find com.github.hannesa2:paho.mqtt.android:4.2.1.
     Required by:
         project :app

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':app:checkFlavor_hjzxDebugAarMetadata'.
> Could not resolve all files for configuration ':app:flavor_hjzxDebugRuntimeClasspath'.
   > Could not find com.github.hannesa2:paho.mqtt.android:4.2.1.
     Searched in the following locations:
       - https://dl.google.com/dl/android/maven2/com/github/hannesa2/paho.mqtt.android/4.2.1/paho.mqtt.android-4.2.1.pom
       - https://repo.maven.apache.org/maven2/com/github/hannesa2/paho.mqtt.android/4.2.1/paho.mqtt.android-4.2.1.pom
       - https://www.jitpack.io/com/github/hannesa2/paho.mqtt.android/4.2.1/paho.mqtt.android-4.2.1.pom
       - https://repo.eclipse.org/content/repositories/paho-releases/com/github/hannesa2/paho.mqtt.android/4.2.1/paho.mqtt.android-4.2.1.pom
       - https://maven.aliyun.com/repository/google/com/github/hannesa2/paho.mqtt.android/4.2.1/paho.mqtt.android-4.2.1.pom
       - https://maven.aliyun.com/repository/jcenter/com/github/hannesa2/paho.mqtt.android/4.2.1/paho.mqtt.android-4.2.1.pom
     Required by:
         project :app

查看
https://github.com/hannesa2/paho.mqtt.android/releases 版本4.2.1 确实不见了

https://jitpack.io/#hannesa2/paho.mqtt.android 查看4.2.1 还在

会不会跟我删除如下有关

C 盘 → Users\young.gradle\caches\transforms-4（删除该目录下所有文件）
C 盘 → Users\young.gradle\caches\modules-2（删除该目录下所有文件）

解决竟然是4.2.1突然不能用

//    implementation ('com.github.hannesa2:paho.mqtt.android:4.2.1')//for android 14 ok  不过奇怪2025-11-06 突然不能用
    implementation ('com.github.hannesa2:paho.mqtt.android:3.6.6')