Consumer closed input channel or an error occurred. events=0x9

Hi everyone!
We have a problem with app update.
if app have some native plugins changed, it will crash on a first run.
problem solving by cache clearing while update.
but how can i clear it by my app?

trying some native Java methods ..

Code (JavaScript):

1. File dir = context.getCacheDir();
2. deleteDir(dir);

but it does not work

this solve problem, but clearing also all user data

Code (JavaScript):

1. Runtime runtime = Runtime.getRuntime();
2. runtime.exec("pm clear "+packageName);

Anybody know some solution?

native method does not available for app

Code (JavaScript):

1. /**
2.     * Attempts to delete the cache files associated with an application.
3.     * Since this may take a little while, the result will
4.     * be posted back to the given observer.  A deletion will fail if the calling context
5.     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
6.     * named package cannot be found, or if the named package is a "system package".
7.     *
8.     * @param packageName The name of the package to delete
9.     * @param observer An observer callback to get notified when the cache file deletion
10.     * is complete.
11.     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
12.     * will be called when that happens.  observer may be null to indicate that
13.     * no callback is desired.
14.     *
15.     * @hide
16.     */
17.    @UnsupportedAppUsage
18.    public abstract void deleteApplicationCacheFiles(@NonNull String packageName,
19.            @Nullable IPackageDataObserver observer);

 

armx64 on AndroidOne 9x work good
armv7 on android 6.0 crash on first run after update app
2+ launching good

no cras logs. Just closing app

Code (JavaScript):

1.  
2. W InputDispatcher: channel '1baac53 com.foranj.aquariumfarm/com.unity3d.player.UnityPlayerActivity (server)' ~ Consumer closed input channel or an error occurred.  events=0x9
3.  
4. E InputDispatcher: channel '1baac53 com.foranj.aquariumfarm/com.unity3d.player.UnityPlayerActivity (server)' ~ Channel is unrecoverably broken and will be disposed!
5.  
6. 12-24 12:20:16.260   932  1767 I WindowState: WIN DEATH: Window{1baac53 u0 com.foranj.aquariumfarm/com.unity3d.player.UnityPlayerActivity}
7.  
8. 12-24 12:20:16.261   932  1767 V WindowManager: Remove Window{1baac53 u0 com.foranj.aquariumfarm/com.unity3d.player.UnityPlayerActivity} client=948d442, surface=Surface(name=com.foranj.aquariumfarm/com.unity3d.player.UnityPlayerActivity) Callers=com.android.server.wm.WindowState$DeathRecipient.binderDied:1217 android.os.BinderProxy.sendDeathNotice:566 <bottom of call stack> <bottom of call stack>
9.  
10. 12-24 12:20:16.261   932  1767 W InputDispatcher: Attempted to unregister already unregistered input channel '1baac53 com.foranj.aquariumfarm/com.unity3d.player.UnityPlayerActivity (server)'
11.  
12.  

full log in attachment

 

any ideas?

 

is community dead?

 

Having same crash.
Some additional information, for me the Crash happens once I call Application.Quit through the APP and try to open it again from the drawer that opens of the apps in memory.