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I am a flutter beginer, while installing the android license by command "flutter --android-licenses", I have gotten the exception as follows:

Failed to create settings
Exception in thread "main" java.lang.IllegalArgumentException: port out of range:-1
        at java.base/java.net.InetSocketAddress.checkPort(InetSocketAddress.java:153)
        at java.base/java.net.InetSocketAddress.<init>(InetSocketAddress.java:198)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCliSettings.createAddress(SdkManagerCliSettings.java:177)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCliSettings.<init>(SdkManagerCliSettings.java:485)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCliSettings.createSettings(SdkManagerCliSettings.java:152)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCliSettings.createSettings(SdkManagerCliSettings.java:134)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:58)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:49)

I try to search solution a lot of, but I have no result. So could everyone help me? Many thanks!

phancuongviet
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1 Answers1

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Try my answer here hope its help to you

Or Try below steps:

  1. Open Tools > SDK Manager
  2. From the left choose, Appearance & Behavior > System Settings > Android SDK
  3. Select SDK Tools from the top menu
  4. Check Android SDK Command-line tools and click 'apply'.
Ravindra S. Patil
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