java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: Could not connect to development server. Try the following to fix the issue: Ensure that the packager server is running Ensure that your device/emulator is connected to your machine and has USB debugging enabled - run 'adb devices' to see a list of connected devices If you're on a physical device connected to the same machine, run 'adb reverse tcp:8081 tcp:8081' to forward requests from your device If your device is on the same Wi-Fi network, set 'Debug server host & port for device' in 'Dev settings' to y

GitHub | SeananXiang | 9 months ago
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    Integrate With Existing Android project will crash!

    GitHub | 9 months ago | SeananXiang
    java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: Could not connect to development server. Try the following to fix the issue: Ensure that the packager server is running Ensure that your device/emulator is connected to your machine and has USB debugging enabled - run 'adb devices' to see a list of connected devices If you're on a physical device connected to the same machine, run 'adb reverse tcp:8081 tcp:8081' to forward requests from your device If your device is on the same Wi-Fi network, set 'Debug server host & port for device' in 'Dev settings' to y
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    GitHub comment 3#224281217

    GitHub | 11 months ago | herby
    java.lang.RuntimeException: Failed to initialize bridge
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    GitHub comment 3#163142862

    GitHub | 1 year ago | flyingmate
    java.lang.RuntimeException: An error occurred while executing doInBackground()
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    React-Native "Could no connect to development server" in createReactContext()

    Stack Overflow | 1 month ago | Richard Le Mesurier
    java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: Could not connect to development server.
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    Porting project JBoss AS 6 to JBoss AS 7

    Stack Overflow | 5 years ago | Rounak
    java.lang.RuntimeException: com.sun.faces.config.ConfigurationException : CONFIGURATION FAILED! Class org.jboss.as.web.deployment.jsf.JandexAnnotationPr ovider is not an instance of com.sun.faces.spi.AnnotationProvider at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureLi stener.java:292) [jsf-impl.jar:] at org.apache.catalina.core.StandardContext.contextListenerStart(Standar dContext.java:3368) [jbossweb-7.0.1.Final.jar:7.0.2.Final] at org.apache.catalina.core.StandardContext.start(StandardContext.java:3 821) [jbossweb-7.0.1.Final.jar:7.0.2.Final] at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentS ervice.java:70) [jboss-as-web-7.0.2.Final.jar:7.0.2.Final] at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(Se rviceControllerImpl.java:1824) at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceCont rollerImpl.java:1759) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor. java:1110) [:1.7.0] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor .java:603) [:1.7.0]

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    Root Cause Analysis

    1. java.lang.RuntimeException

      java.util.concurrent.ExecutionException: java.lang.RuntimeException: Could not connect to development server. Try the following to fix the issue: Ensure that the packager server is running Ensure that your device/emulator is connected to your machine and has USB debugging enabled - run 'adb devices' to see a list of connected devices If you're on a physical device connected to the same machine, run 'adb reverse tcp:8081 tcp:8081' to forward requests from your device If your device is on the same Wi-Fi network, set 'Debug server host & port for device' in 'Dev settings' to y

      at com.facebook.react.ReactInstanceManagerImpl.createReactContext()
    2. com.facebook.react
      ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground
      1. com.facebook.react.ReactInstanceManagerImpl.createReactContext(ReactInstanceManagerImpl.java:912)
      2. com.facebook.react.ReactInstanceManagerImpl.access$700(ReactInstanceManagerImpl.java:99)
      3. com.facebook.react.ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground(ReactInstanceManagerImpl.java:196)
      4. com.facebook.react.ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground(ReactInstanceManagerImpl.java:179)
      4 frames
    3. Android Platform
      AsyncTask$2.call
      1. android.os.AsyncTask$2.call(AsyncTask.java:295)
      1 frame
    4. Java RT
      FutureTask.run
      1. java.util.concurrent.FutureTask.run(FutureTask.java:237)
      1 frame
    5. Android Platform
      AsyncTask$SerialExecutor$1.run
      1. android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
      1 frame
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames