完整日志

java.lang.RuntimeException: Unable to start service com.xxx.xxxx.service.DownloadService@41c78ef8 with Intent { cmp=com.xxxx.xxxx/.service.DownloadService (has extras) }: java.lang.IllegalArgumentException: Unknown URL content://downloads/my_downloads
    at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2746)
    at android.app.ActivityThread.access$1900(ActivityThread.java:144)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1356)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:137)
    at android.app.ActivityThread.main(ActivityThread.java:5178)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:525)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:745)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:561)
    at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: Unknown URL content://downloads/my_downloads
    at android.content.ContentResolver.insert(ContentResolver.java:910)
    at android.app.DownloadManager.enqueue(DownloadManager.java:935)
    at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2729)
    ... 10 more
java.lang.IllegalArgumentException: Unknown URL content://downloads/my_downloads
    at android.content.ContentResolver.insert(ContentResolver.java:910)
    at android.app.DownloadManager.enqueue(DownloadManager.java:935)
    at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2729)
    at android.app.ActivityThread.access$1900(ActivityThread.java:144)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1356)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:137)
    at android.app.ActivityThread.main(ActivityThread.java:5178)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:525)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:745)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:561)
    at dalvik.system.NativeStart.main(Native Method)

这是用downloadmanager 来下载更新，出现的bug。
三星手机出现较多。复现规律为：设置----应用管理器----全部----下载管理器----关闭.
没别的好方法，只能捕捉这个异常