IBM Worklight V6.1 JSONStore.init() interrputs application

I have a simple app with an http adapter. When I call JSONStore.init() many times the application gets the data and everything works fine, but maybe every 10th re-installation on the same device, the application interrupts in JSONStore.init(). Then if I touch the screen and hit any button, the workflow goes on only for a part. I can do this multiple times then the workflow finishes, too. This problem also appears if I manually delete the JSONStore data and reopen the app. It appears in iOS and Android.

Anybody an idea what causes the problem?

This is my Log:

06-27 09:22:48.619: I/CordovaLog(29490): Changing log level to DEBUG(3)
06-27 09:22:48.619: D/CordovaActivity(29490): CordovaActivity.onCreate()
06-27 09:22:48.669: V/WebViewChromium(29490): Binding Chromium to the background looper Looper (main, tid 1) {42270e48}
06-27 09:22:48.669: I/chromium(29490): [INFO:library_loader_hooks.cc(112)] Chromium logging enabled: level = 0, default verbosity = 0
06-27 09:22:48.679: I/BrowserProcessMain(29490): Initializing chromium process, renderers=0
06-27 09:22:48.689: W/chromium(29490): [WARNING:proxy_service.cc(888)] PAC support disabled because there is no system implementation
06-27 09:22:48.699: I/Adreno-EGL(29490): <qeglDrvAPI_eglInitialize:316>: EGL 1.4 QUALCOMM build:  (CL4169980)
06-27 09:22:48.699: I/Adreno-EGL(29490): OpenGL ES Shader Compiler Version: 17.01.10.SPL
06-27 09:22:48.699: I/Adreno-EGL(29490): Build Date: 02/04/14 Tue
06-27 09:22:48.699: I/Adreno-EGL(29490): Local Branch: 
06-27 09:22:48.699: I/Adreno-EGL(29490): Remote Branch: 
06-27 09:22:48.699: I/Adreno-EGL(29490): Local Patches: 
06-27 09:22:48.699: I/Adreno-EGL(29490): Reconstruct Branch: 
06-27 09:22:48.739: D/CordovaWebView(29490): CordovaWebView is running on device made by: HTC
06-27 09:22:48.749: D/JsMessageQueue(29490): Set native->JS mode to 2
06-27 09:22:48.749: D/CordovaActivity(29490): CordovaActivity.init()
06-27 09:22:48.759: W/com.worklight.androidgap.analytics.WLAnalytics(29490): TLF_configurator.enable was called, but the required Tealeaf libraries are not present in the classpath.
06-27 09:22:48.759: D/WLDroidGap(29490): New installation/upgrade detected, copying resources and saving new checksum
06-27 09:22:48.759: D/Whitelist(29490): Unlimited access to network resources
06-27 09:22:48.759: I/CordovaLog(29490): Changing log level to DEBUG(3)
06-27 09:22:48.759: D/CordovaActivity(29490): Resuming the App
06-27 09:22:48.759: D/CordovaActivity(29490): CB-3064: The errorUrl is null
06-27 09:22:48.789: D/SoftKeyboardDetect(29490): Ignore this event
06-27 09:22:48.890: D/SoftKeyboardDetect(29490): Ignore this event
06-27 09:22:49.050: D/WLDroidGap(29490): no need to check web resource integrity
06-27 09:22:49.090: D/CordovaWebView(29490): >>> loadUrl(file:///android_asset/www/skinLoader.html)
06-27 09:22:49.090: D/PluginManager(29490): init()
06-27 09:22:49.090: D/CordovaWebView(29490): >>> loadUrlNow()
06-27 09:22:49.130: D/CordovaActivity(29490): onMessage(onPageStarted,file:///android_asset/www/skinLoader.html)
06-27 09:22:49.210: E/AndroidProtocolHandler(29490): Unable to open asset URL: file:///android_asset/www/default/js/skinLoader.js
06-27 09:22:49.270: D/CordovaWebViewClient(29490): onPageFinished(file:///android_asset/www/skinLoader.html)
06-27 09:22:49.270: D/CordovaActivity(29490): onMessage(onPageFinished,file:///android_asset/www/skinLoader.html)
06-27 09:22:49.440: D/CordovaActivity(29490): onMessage(spinner,stop)
06-27 09:22:49.460: D/CordovaNetworkManager(29490): Connection Type: wifi
06-27 09:22:49.480: I/chromium(29490): [INFO:async_pixel_transfer_manager_android.cc(56)] Async pixel transfers not supported
06-27 09:22:49.510: I/chromium(29490): [INFO:async_pixel_transfer_manager_android.cc(56)] Async pixel transfers not supported
06-27 09:22:49.520: E/qdutils(29490): FBIOGET_FSCREENINFO failed
06-27 09:22:49.550: D/CordovaNetworkManager(29490): Connection Type: wifi
06-27 09:22:49.550: D/CordovaActivity(29490): onMessage(networkconnection,wifi)
06-27 09:22:49.841: W/PluginManager(29490): THREAD WARNING: exec() call to Utils.loadSkin blocked the main thread for 207ms. Plugin should use CordovaInterface.getThreadPool().
06-27 09:22:49.841: D/CordovaWebView(29490): >>> loadUrl(file:///android_asset/www/default/index.html)
06-27 09:22:49.841: D/PluginManager(29490): init()
06-27 09:22:49.841: D/CordovaWebView(29490): >>> loadUrlNow()
06-27 09:22:49.841: D/CordovaActivity(29490): onMessage(onPageStarted,file:///android_asset/www/default/index.html)
06-27 09:22:50.191: D/CordovaActivity(29490): onMessage(spinner,stop)
06-27 09:22:50.201: D/CordovaNetworkManager(29490): Connection Type: wifi
06-27 09:22:50.201: D/CordovaNetworkManager(29490): Connection Type: wifi
06-27 09:22:50.201: D/CordovaActivity(29490): onMessage(networkconnection,wifi)
06-27 09:22:50.832: E/AndroidProtocolHandler(29490): Unable to open asset URL: file:///android_asset/www/default/images/favicon.png
06-27 09:22:50.842: D/CordovaWebViewClient(29490): onPageFinished(file:///android_asset/www/default/index.html)
06-27 09:22:50.842: D/CordovaActivity(29490): onMessage(onPageFinished,file:///android_asset/www/default/index.html)
06-27 09:22:50.952: W/ResourceType(29490): No package identifier when getting name for resource number 0x00000064
06-27 09:22:50.952: I/InputMethodManager(29490): [startInputInner] EditorInfo { packageName=com.ConferenceApp, inputType=0xa1, imeOptions=0x12000000, privateImeOptions=null }, windowGainingFocus=android.view.ViewRootImpl$W@42556108, mServedView=com.worklight.androidgap.WLWebView{4252ae18 VFEDH.C. .F...... 0,0-1080,1845 #64}
06-27 09:22:50.982: W/PluginManager(29490): THREAD WARNING: exec() call to Utils.writePref blocked the main thread for 19ms. Plugin should use CordovaInterface.getThreadPool().
06-27 09:22:51.032: D/WLDroidGap(29490): unregisterReceivers:Receiver not registered: null
06-27 09:22:51.032: D/WLDroidGap(29490): unregisterReceivers:Receiver not registered: null
06-27 09:22:51.102: W/dalvikvm(29490): VFY: unable to resolve direct method 31688: Lorg/json/JSONException;.<init> (Ljava/lang/Throwable;)V
06-27 09:22:51.112: D/com.ConferenceApp(29490): Extracting zip file: featurelibs/armeabi/libcrypto.so.1.0.0
06-27 09:22:51.272: D/CordovaActivity(29490): onMessage(spinner,stop)
06-27 09:22:51.272: D/com.ConferenceApp(29490): Loading library using System.load: /data/data/com.ConferenceApp/files/libcrypto.so.1.0.0
06-27 09:22:51.322: W/PluginManager(29490): THREAD WARNING: exec() call to StoragePlugin.provision blocked the main thread for 49ms. Plugin should use CordovaInterface.getThreadPool().
06-27 09:22:51.332: I/jsonstore-core(29490): Performing migration to JSONStore 2.0
06-27 09:22:51.372: I/wl.client(29490): WL.Client.init ENTERING
06-27 09:22:51.372: I/Database(29490): JNI_OnLoad called
06-27 09:22:51.372: I/Database(29490): JNI_OnLoad register methods 
06-27 09:22:51.382: D/NONE(29490): ondeviceready event dispatched
06-27 09:22:51.382: I/wl.client(29490): WL.Client onEnvInit ENTERING
06-27 09:22:51.392: D/NONE(29490): wlclient init started
06-27 09:22:51.402: D/NONE(29490): Read cookies: null
06-27 09:22:51.422: D/NONE(29490): CookieMgr read cookies: {}
06-27 09:22:51.422: W/NONE(29490): Your application is using the WL.OptionsMenu API. Note that, if your application targets Android 3.0 (API level 11) or higher, WL.OptionsMenu might have no effect, depending on the device.
06-27 09:22:51.432: D/NONE(29490): addDeviceIDHeader deviceIDSuccessCallback
06-27 09:22:51.432: D/NONE(29490): connectOnStartup finalizeInit
06-27 09:22:51.442: D/NONE(29490): before: app init onSuccess
06-27 09:22:51.452: D/NONE(29490): [JSONStore] Start...
06-27 09:22:51.462: D/NONE(29490): after: app init onSuccess
06-27 09:22:51.462: D/NONE(29490): added onPause event handler 
06-27 09:22:51.482: D/NONE(29490): wlclient init success

If you are an IBM customer or business partner, you can open a PMR and make sure you include the following.

• Worklight version (there are more numbers after 6.1, eclipse should tell you under installed software)
• Code and steps to reproduce, ideally you would do this in a new project with a clean workspace to rule out issues with your application code or other worklight features you're using.
• Logs (logcat and Xcode logs) when it works and when it doesn't
• Versions for the mobile operating systems where you tested fails
• Steps you took to "manually delete the JSONStore data"
• Make sure you're calling WL.JSONStore.init inside or after the execution of the wlCommonInit function inside the main.js file.

Someone from support should be able to provide assistance. If it turns out to be a defect in the code, someone from development will work on a fix.