java.io.IOException: Cannot run program "su": error=13, Permission denied 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.ProcessBuilder.start(ProcessBuilder.java:983) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:691) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:524) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:421) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at com.quixxi.rootdevice.MainActivity.restartDevice(MainActivity.java:243)

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  1. 4

    Root Android Device Programmatically

    Stack Overflow | 8 months ago | Mujammil Ahamed
    java.io.IOException: Cannot run program "su": error=13, Permission denied 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.ProcessBuilder.start(ProcessBuilder.java:983) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:691) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:524) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:421) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at com.quixxi.rootdevice.MainActivity.restartDevice(MainActivity.java:243)
  2. 0

    java.io.IOException: Received authentication challenge is null in ICS 4.0.3

    Stack Overflow | 4 years ago | Haris
    java.io.IOException: Received authentication challenge is null 10-17 14:54:13.284: W/System.err(868): at libcore.net.http.HttpURLConnectionImpl.processAuthHeader(HttpURLConnectionImpl.java:397) 10-17 14:54:13.284: W/System.err(868): at libcore.net.http.HttpURLConnectionImpl.processResponseHeaders(HttpURLConnectionImpl.java:345) 10-17 14:54:13.304: W/System.err(868): at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:276) 10-17 14:54:13.324: W/System.err(868): at libcore.net.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:479) 10-17 14:54:13.324: W/System.err(868): at com.remote.synchronizer.haris.CustomHttpClient.executeGet(CustomHttpClient.java:131) 10-17 14:54:13.354: W/System.err(868): at com.remote.synchronizer.haris.OptionsActivity$1$3$1.run(OptionsActivity.java:87) 10-17 14:54:13.364: W/System.err(868): at android.os.Handler.handleCallback(Handler.java:605) 10-17 14:54:13.384: W/System.err(868): at android.os.Handler.dispatchMessage(Handler.java:92) 10-17 14:54:13.384: W/System.err(868): at android.os.Looper.loop(Looper.java:137) 10-17 14:54:13.404: W/System.err(868): at android.app.ActivityThread.main(ActivityThread.java:4424) 10-17 14:54:13.424: W/System.err(868): at java.lang.reflect.Method.invokeNative(Native Method) 10-17 14:54:13.424: W/System.err(868): at java.lang.reflect.Method.invoke(Method.java:511) 10-17 14:54:13.454: W/System.err(868): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)

    Root Cause Analysis

    1. java.io.IOException

      Cannot run program "su": error=13, Permission denied 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.ProcessBuilder.start(ProcessBuilder.java:983) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:691) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:524) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at java.lang.Runtime.exec(Runtime.java:421) 07-28 15:56:25.556 13612-13612/com.quixxi.rootdevice W/System.err: at com.quixxi.rootdevice.MainActivity.restartDevice(MainActivity.java:243)

      at com.quixxi.rootdevice.MainActivity.access$300()
    2. com.quixxi.rootdevice
      MainActivity$3.onClick
      1. com.quixxi.rootdevice.MainActivity.access$300(MainActivity.java:18)
      2. com.quixxi.rootdevice.MainActivity$3.onClick(MainActivity.java:79)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5609)
      2. android.view.View$PerformClick.run(View.java:22259)
      3. android.os.Handler.handleCallback(Handler.java:751)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:154)
      6. android.app.ActivityThread.main(ActivityThread.java:6077)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
      2 frames