Rejecting class because it failed compile-time verification Android

Question

One of my application suddenly fails on startup, with the following error message :

java.lang.VerifyError: Rejecting class com.sample.BufferManager

Answer 1

If you are building with Jack, make sure it's turned off from build.gradle

defaultConfig {
    ...
    versionName "1.0"
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    jackOptions {
        enabled false
    }
}