java.lang.NullPointerException

Stack Overflow | tofiffe | 5 months ago
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    Using MockWebServer with Robolectric

    Stack Overflow | 5 months ago | tofiffe
    java.lang.NullPointerException
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    Stack Overflow | 1 year ago | Archanister
    java.lang.NullPointerException
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    GitHub comment 37#99597438

    GitHub | 2 years ago | thomasflynn
    java.lang.NullPointerException: Attempt to read from field 'android.os.MessageQueue android.os.Looper.mQueue' on a null object reference

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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at android.os.Handler.__constructor__()
  2. Android Platform
    Handler.<init>
    1. android.os.Handler.__constructor__(Handler.java:229)
    2. android.os.Handler.<init>(Handler.java)
    2 frames
  3. retrofit2
    Retrofit$Builder.build
    1. retrofit2.Platform$Android$MainThreadExecutor.<init>(Platform.java:105)
    2. retrofit2.Platform$Android.defaultCallbackExecutor(Platform.java:97)
    3. retrofit2.Retrofit$Builder.build(Retrofit.java:556)
    3 frames