java.lang.ExceptionInInitializerError Caused by: java.lang.NullPointerException: in == null at java.util.Properties.load(Properties.java:246)

[potyl]

I tried adding leak canary to our app and we get this crash:

java.lang.ExceptionInInitializerError
  at org.eclipse.mat.hprof.HprofIndexBuilder.fill(HprofIndexBuilder.java:54)
  at org.eclipse.mat.parser.internal.SnapshotFactory.parse(SnapshotFactory.java:193)
  at org.eclipse.mat.parser.internal.SnapshotFactory.openSnapshot(SnapshotFactory.java:106)
  at com.squareup.leakcanary.HeapAnalyzer.openSnapshot(HeapAnalyzer.java:134)
  at com.squareup.leakcanary.HeapAnalyzer.checkForLeak(HeapAnalyzer.java:87)
  at com.squareup.leakcanary.internal.HeapAnalyzerService.onHandleIntent(HeapAnalyzerService.java:56)
  at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
  at android.os.Handler.dispatchMessage(Handler.java:102)
  at android.os.Looper.loop(Looper.java:145)
  at android.os.HandlerThread.run(HandlerThread.java:61)
Caused by: java.lang.NullPointerException: in == null
  at java.util.Properties.load(Properties.java:246)
  at org.eclipse.mat.util.MessageUtil.(MessageUtil.java:28)
  at org.eclipse.mat.util.MessageUtil.(MessageUtil.java:13)
  ... 10 more

[pyricau]

Do you use Android Studio or Eclipse?

[potyl]

Android Studio with gradle (and proguad)

[pyricau]

The resource file is not available in the classpath. Not sure why. We could change HAHA to just use class constants, that properties file isn't really worth anything. In the meantime, it's probably something specific about your gradle conf that prevents picking up those properties files.

[potyl]

Thanks for the pointer, I'll try to see if our gradle conf is doing something odd with the resource file.