Weird exception Issue in logs for Firebase Cloud messaging

[Josh]

I get a weird exception that I can't figure out. This same exception gets printed out several more times after this. I just cut it really short b/c it's the same exception that gets printed. I can't tell if this is bad or not, but I know this isn't suppose to happen.

03-08 10:17:20.989  7612  7636 E Unity   : System.UnauthorizedAccessException: Access to the path "/.config" is denied.
03-08 10:17:20.989  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x0006e] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:135
03-08 10:17:20.989  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectory (System.String path) [0x0009a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:96
03-08 10:17:20.989  7612  7636 E Unity   :   at System.IO.DirectoryInfo.Create () [0x00000] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/DirectoryInfo.cs:141
03-08 10:17:20.989  7612  7636 E Unity   :   at (wrapper remoting-invoke-with-check) System.IO.DirectoryInfo:Create ()
03-08 10:17:20.989  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x00039] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:116
03-08 10:17:20.989  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectory (System.String path) [0x0009a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:96
03-08 10:17:20.989  7612  7636 E Unity   :   at System.IO.DirectoryInfo.Create () [0x00000] in /Users/builduser/buildsl03-08 10:17:20.995  7612  7636 E Unity   : System.UnauthorizedAccessException: Access to the path "/.config" is denied.
03-08 10:17:20.995  7612  7636 E Unity   : System.UnauthorizedAccessException: Access to the path "/.config" is denied.
03-08 10:17:20.995  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x0006e] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:135
03-08 10:17:20.995  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectory (System.String path) [0x0009a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:96
03-08 10:17:20.995  7612  7636 E Unity   :   at System.IO.DirectoryInfo.Create () [0x00000] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/DirectoryInfo.cs:141
03-08 10:17:20.995  7612  7636 E Unity   :   at (wrapper remoting-invoke-with-check) System.IO.DirectoryInfo:Create ()
03-08 10:17:20.995  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x00039] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:116
03-08 10:17:20.995  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectory (System.String path) [0x0009a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:96
03-08 10:17:20.995  7612  7636 E Unity   :   at System.IO.DirectoryInfo.Create () [0x00000] in /Users/builduser/buildsl
03-08 10:17:21.000  7612  7636 E Unity   : System.UnauthorizedAccessException: Access to the path "/.config" is denied.
03-08 10:17:21.000  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x0006e] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:135
03-08 10:17:21.000  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectory (System.String path) [0x0009a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:96
03-08 10:17:21.000  7612  7636 E Unity   :   at System.IO.DirectoryInfo.Create () [0x00000] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/DirectoryInfo.cs:141
03-08 10:17:21.000  7612  7636 E Unity   :   at (wrapper remoting-invoke-with-check) System.IO.DirectoryInfo:Create ()
03-08 10:17:21.000  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x00039] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:116
03-08 10:17:21.000  7612  7636 E Unity   :   at System.IO.Directory.CreateDirectory (System.String path) [0x0009a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Directory.cs:96
03-08 10:17:21.000  7612  7636 E Unity   :   at System.IO.DirectoryInfo.Create () [0x00000] in /Users/builduser/buildsl

[Benjamin Wulfe]

Where are you running when you see this?  Is this the editor?  Also, do you have the latest SDK?

[Kato Richardson]

Hi Josh,

I'm a bit lost on the context here since Firebase doesn't even appear in the stack trace. Can you elaborate a bit on what due diligence you did to isolate this back to Firebase and what Firebase was doing at the time?

☼, Kato

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775-235-8398

[Thomas Krüger]

I were running into the same issue with the latest Firebase SDK.

It's happens on iOS right before I "+= OnTokenReceived"

2017-05-09 20:42:32.686 [1088] <Debug> [Firebase/Core][I-COR000001] Configuring the default app.\
2017-05-09 20:42:32.698 [1088:501] <FIRAnalytics/INFO> Firebase Analytics v.3600000 started\
2017-05-09 20:42:32.699 [1088:501] <FIRAnalytics/INFO> To enable debug logging set the following application argument: -FIRAnalyticsDebugEnabled (see http://goo.gl/Y0Yjwu)\
\
System.UnauthorizedAccessException: Access to the path "/private/var/mobile/Containers/Data/Application/XXXXX-XXXXX-XXXXX/.config" is denied.\
  at System.IO.DirectoryInfo..ctor (System.String path, Boolean simpleOriginalPath) [0x00000] in <filename unknown>:0 \
  at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x00000] in <filename unknown>:0 \
  at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x00000] in <filename unknown>:0 \
  at System.IO.Directory.CreateDirectoriesInternal (System.String path) [0x00000] in <filename unknown>:0 \
  at Mono.Security.X509.X509Store.CheckStore (System.String path, Boolean throwException) [0x00000] in <filename unknown>:0 \
  at Mono.Security.X509.X509Store.Import (Mono.Security.X509.X509Certificate certificate) [0x00000] in <filename unknown>:0 \
  at System.Security.Cryptography.X509Certificates.X509Store.Add (System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) [0x00000] in <filename unknown>:0 \
  at Firebase.Unity.InstallRootCerts.Install (Firebase.FirebaseApp app) [0x00000] in <filename unknown>:0 \
  at Firebase.FirebaseApp.CreateAndTrack (Firebase.CreateDelegate createDelegate) [0x00000] in <filename unknown>:0 \
  at Firebase.Messaging.FirebaseMessaging+Listener..ctor () [0x00000] in <filename unknown>:0 \
  at Firebase.Messaging.FirebaseMessaging+Listener.Create () [0x00000] in <filename unknown>:0 \
  at Firebase.Messaging.FirebaseMessaging..cctor () [0x00000] in <filename unknown>:0 \
  at OnlineData.AllowPush () [0x00000] in <filename unknown>:0 \
  at Interact_ScriptThing+<EnableObject>c__Iterator5E.MoveNext () [0x00000] in <filename unknown>:0 \
  at UnityEngine.SetupCoroutine.InvokeMoveNext (IEnumerator enumerator, IntPtr returnValueAddress) [0x00000] in <filename unknown>:0 \
  at Interact_ScriptThing+<RunYield>c__Iterator5D.MoveNext () [0x00000] in <filename unknown>:0 \
  at UnityEngine.SetupCoroutine.InvokeMoveNext (IEnumerator enumerator, IntPtr returnValueAddress) [0x00000] in <filename unknown>:0 \
  at InteractableElement+<RunBehaviours>c__Iterator74.MoveNext () [0x00000] in <filename unknown>:0 \
  at UnityEngine.SetupCoroutine.InvokeMoveNext (IEnumerator enumerator, IntPtr returnValueAddress) [0x00000] in <filename unknown>:0 \
  at InteractableElement.ButtonGotActivated () [0x00000] in <filename unknown>:0 \
  at InputManagerScript.UpdateInputs () [0x00000] in <filename unknown>:0 \
  at InputManagerScript.Update () [0x00000] in <filename unknown>:0 \
 \
(Filename: /Users/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)\
\
Added\
2017-05-09 20:42:33.034 [1088:471771] FCM: Initialize Firebase Messaging\
FCM: Initialize Firebase Messaging\
2017-05-09 20:42:33.034 [1088:471771] FCM: Using FCM senderID xxxxxxxxxxxxxx\
FCM: Using FCM senderID xxxxxxxxxxxxxx\
2017-05-09 20:42:33.040 [1088:471771] FCM: Retrieve registration token\
FCM: Retrieve registration token\
2017-05-09 20:42:33.083 [1088] <Debug> [Firebase/Core][I-COR000019] Clearcut post completed.\
2017-05-09 20:42:34.527 [1088:501] <FIRAnalytics/INFO> Firebase Analytics enabled\
2017-05-09 20:42:35.897 [1088:471771] FCM: registration token needs to be changed.\
FCM: registration token needs to be changed.\
2017-05-09 20:42:35.898 [1088:471771] FCM: Retrieve registration token\
FCM: Retrieve registration token}

As you can see, a Token is received, but Messaging is not working at all.

Best wishes,

Thomas

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[Thomas Krüger]

After a few changes, I'm able to receive notifications in foreground and background again - but this exception still occurs. Hopefully this is not a rejection reason for Apple.

[Josh]

This stopped happening for me once I added code to fix dependency issues. I found this on their github and I feel like this should be in their docs too because it seems like this is needed.

private DependencyStatus _dependencyStatus = DependencyStatus.UnavailableOther;

  public void Init()

  {

    _dependencyStatus = FirebaseApp.CheckDependencies();

    if (_dependencyStatus != DependencyStatus.Available)

    {

      FirebaseApp.FixDependenciesAsync().ContinueWith(task =>

      {

        _dependencyStatus = FirebaseApp.CheckDependencies();

        if (_dependencyStatus == DependencyStatus.Available)

        {

          // init

        }

        else

        {

          Debug.LogErrorFormat("Could no resolve all Firebase dependencies: {0}\n", _dependencyStatus);

        }

      });