Step 1: Describe your environment

• Android device: Galaxy J7,Grand Prime, S5
• Android OS version:android 6,5,7,9
• Google Play Services version: Not Known
• Firebase/Play Services SDK version: Not Known

Step 2: Describe the problem:

Observing many crashes happening from Performance plugin in Firebase crashlytics console.

Steps to reproduce:

Not able to reproduce on testing device

Observed Results:

• Caused by java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Iterator

Crashlytics Logs

Fatal Exception: java.lang.ExceptionInInitializerError
at com.google.firebase.perf.internal.GaugeManager.(GaugeManager.java:5)
at com.google.firebase.perf.internal.GaugeManager.zzbf(GaugeManager.java:22)
at com.google.android.gms.internal.firebase-perf.zzat.(zzat.java:2)
at com.google.android.gms.internal.firebase-perf.zzat.zza(zzat.java:1)
at com.google.firebase.perf.network.FirebasePerfUrlConnection.instrument(FirebasePerfUrlConnection.java:13)
at com.adobe.mobile.RequestHandler.requestConnect(RequestHandler.java:390)
at com.adobe.mobile.RequestHandler.retrieveAnalyticsRequestData(RequestHandler.java:246)
at com.adobe.mobile.AnalyticsWorker$1.run(AnalyticsWorker.java:304)
at java.lang.Thread.run(Thread.java:818)

java.util.List.iterator()' on a null object reference
at com.google.firebase.perf.internal.zzp.(zzp.java:16)
at com.google.firebase.perf.internal.zzp.(zzp.java:6)
at com.google.firebase.perf.internal.zzp.(zzp.java:47)
at com.google.firebase.perf.internal.GaugeManager.(GaugeManager.java:5)
at com.google.firebase.perf.internal.GaugeManager.zzbf(GaugeManager.java:22)
at com.google.android.gms.internal.firebase-perf.zzat.(zzat.java:2)
at com.google.android.gms.internal.firebase-perf.zzat.zza(zzat.java:1)
at com.google.firebase.perf.network.FirebasePerfUrlConnection.instrument(FirebasePerfUrlConnection.java:13)
at com.adobe.mobile.RequestHandler.requestConnect(RequestHandler.java:390)
at com.adobe.mobile.RequestHandler.retrieveAnalyticsRequestData(RequestHandler.java:246)
at com.adobe.mobile.AnalyticsWorker$1.run(AnalyticsWorker.java:304)
at java.lang.Thread.run(Thread.java:818)

Expected Results:

• Should not crash

Relevant Code:

apply plugin: 'com.google.firebase.firebase-perf'
implementation "com.google.firebase:firebase-perf:16.2.2"
classpath "com.google.firebase:firebase-plugins:1.1.5"