Java Android Logcat已停止输出日志数据，不监视应用程序调试过程

我一直在开发一个应用程序，使用logcat进行调试，但到今天为止，我无法获得任何调试消息，但我确实在logcat文件中看到一个奇怪的警告。该应用程序仍然可以正常构建/运行

04-18 13:55:28.700 14188-14188/? I/dex2oat: /system/bin/dex2oat --compiler-
filter=interpret-only --debuggable
04-18 13:55:30.507 11344-11345/? E/WCNSS_FILTER: do_read: read returned 0, 
err = Success, read bytes: 0, expected: 0

                                             --------- beginning of system
04-18 13:55:31.148 14055-14055/? I/art: System.exit called, status: 0
04-18 13:55:31.384 14236-14236/? W/System: ClassLoader referenced unknown 
path: /system/app/KeyChain/lib/arm64
04-18 13:55:31.417 14236-14236/? W/ContextImpl: Calling a method in the 
system process without a qualified user: 
android.app.ContextImpl.startService:1357 
android.content.ContextWrapper.startService:613 
android.content.ContextWrapper.startService:613 
com.android.keychain.KeyChainBroadcastReceiver.onReceive:12 
android.app.ActivityThread.handleReceiver:3041 
04-18 13:55:31.502 14255-14255/? W/System: ClassLoader referenced unknown 
path: /system/priv-app/MusicFX/lib/arm64
04-18 13:55:31.740 14281-14281/? W/System: ClassLoader referenced unknown 
path: /system/priv-app/VZWAVS/lib/arm64
04-18 13:55:31.777 14304-14304/? W/System: ClassLoader referenced unknown 
path: /data/app/umn.ee4951.tola-2/lib/arm64
04-18 13:55:33.037 14461-14461/? W/System: ClassLoader referenced unknown 
path: /data/app/com.google.android.apps.gmoney-1/lib/arm64
04-18 13:55:33.130 14461-14461/? D/ApplicationLoaders: ignored Vulkan layer 
search path /data/app/com.google.android.gms-2/lib/arm64:/system/fake-
libs64:/data/app/com.google.android.gms-2/base.apk!/lib/arm64-v8a for n 
namespace 0x7f5c01d0f0
04-18 13:55:34.180 14507-14507/? W/System: ClassLoader referenced unknown 
path: /data/app/com.google.android.apps.magazines-2/lib/arm64
04-18 13:55:34.842 14507-14546/? D/ApplicationLoaders: ignored Vulkan layer 
search path /data/app/com.google.android.gms-2/lib/arm64:/system/fake-
libs64:/data/app/com.google.android.gms-2/base.apk!/lib/arm64-v8a for 
namespace 0x7f5bf5c0f0
04-18 13:55:34.981 14580-14580/? W/System: ClassLoader referenced unknown 
path: 
04-18 13:55:34.985 14580-14580/? D/ApplicationLoaders: ignored Vulkan layer 
search path /data/app/com.google.android.gms-2/lib/arm:/system/fake-
libs:/data/app/com.google.android.gms-2/base.apk!/lib/armeabi-v7a for 
namespace 0xf4dd4090
04-18 13:55:35.133 14580-14580/? W/System: ClassLoader referenced unknown 
path: 
/data/user_de/0/com.google.android.gms/app_chimera/m/0000000e/n/armeabi-v7a
04-18 13:55:35.133 14580-14580/? W/System: ClassLoader referenced unknown 
path: /data/user_de/0/com.google.android.gms/app_chimera/m/0000000e/n/armeabi

我认为这与错误有关： W/系统：类加载器引用的未知路径： /系统/app/KeyChain/lib/arm64

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以前有人经历过吗？谷歌搜索几乎没有什么帮助。

一定要使缓存和重启无效是的。这没有改变任何事情。