I am trying to release my application which has
- Firebase
 - Facebook integration
 - Twitter Integration (tweet composer)
 - Google plus integration
 - paypal integration
 - Glide
 - Crashlytics
 - Google map and
 - Joda-time,yalantis/phoenix- pull to refresh library
 
When I turn minifyEnabled true, the app end up crashing. It won't even start.
I have the following proguardfile
# Add project specific ProGuard rules here.
# By default, the flags in this file are appended to flags specified
# in /Users/Avi/Documents/android-sdk-macosx 2/tools/proguard/proguard-android.txt
# You can edit the include path and order by changing the proguardFiles
# directive in build.gradle.
#
# For more details, see
#   http://developer.android.com/guide/developing/tools/proguard.html
# Add any project specific keep options here:
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
-keep public class * implements com.bumptech.glide.module.GlideModule
-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$**     {
  **[] $VALUES;
  public *;
  }
 -keepattributes SourceFile,LineNumberTable,*Annotation*
 # Basic ProGuard rules for Firebase Android SDK 2.0.0+
 -keep class com.firebase.** { *; }
 -keep class org.apache.** { *; }
 # -keepnames class com.fasterxml.jackson.** { *; }
 -keepnames class javax.servlet.** { *; }
 -keepnames class org.ietf.jgss.** { *; }
 # -dontwarn org.apache.**
 -dontwarn org.w3c.dom.**
 # avoid on Chat.class
 -keep class com.packagename.Chat { *; }
 -keep class com.facebook.** {
    *;
 }
 -dontwarn com.paypal.android.**
 -keep class org.joda.** { *; }
 # -dontwarn javax.naming.**
 #-dontwarn java.lang.invoke**
 -dontwarn org.joda.time.**
 -dontwarn com.google.android.gms.**
 -dontwarn com.shaded.fasterxml.**
 -dontwarn org.apache.**
 -dontwarn org.shaded.apache.**
 -keepnames class com.shaded.fasterxml.jackson.** { *; }
 -keepnames class org.shaded.apache.**
I get the following error from the crashlytics dashboard
Fatal Exception: java.lang.NoSuchFieldError
   at libcore.reflect.AnnotationAccess.decodeValue(AnnotationAccess.java:688)
   at libcore.reflect.AnnotationAccess.toAnnotationInstance(AnnotationAccess.java:663)
   at libcore.reflect.AnnotationAccess.toAnnotationInstance(AnnotationAccess.java:641)
   at libcore.reflect.AnnotationAccess.getDeclaredAnnotation(AnnotationAccess.java:170)
   at libcore.reflect.AnnotationAccess.getAnnotation(AnnotationAccess.java:72)
   at java.lang.Class.getAnnotation(Class.java:343)
   at com.shaded.fasterxml.jackson.databind.introspect.VisibilityChecker$Std.(VisibilityChecker.java)
   at com.shaded.fasterxml.jackson.databind.introspect.VisibilityChecker$Std.defaultInstance(VisibilityChecker.java:180)
   at com.shaded.fasterxml.jackson.databind.ObjectMapper.(ObjectMapper.java)
   at com.firebase.client.core.view.QueryParams.(QueryParams.java)
   at com.firebase.client.Firebase.(Firebase.java)
   at com.firebase.client.Firebase.(Firebase.java)
   at com.firebase.client.Firebase.(Firebase.java)
   at com.silverfox.avi.codehack.BaseClasses.LoginActivity.onCreate(LoginActivity.java:102)
   at android.app.Activity.performCreate(Activity.java:5953)
   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1128)
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2267)
   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2388)
   at android.app.ActivityThread.access$800(ActivityThread.java:148)
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1292)
   at android.os.Handler.dispatchMessage(Handler.java:102)
   at android.os.Looper.loop(Looper.java:135)
   at android.app.ActivityThread.main(ActivityThread.java:5312)
   at java.lang.reflect.Method.invoke(Method.java)
   at java.lang.reflect.Method.invoke(Method.java:372)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)
Caused by java.lang.NoSuchFieldException: PUBLIC_ONLY
   at java.lang.Class.getDeclaredField(Class.java:886)
   at libcore.reflect.AnnotationAccess.decodeValue(AnnotationAccess.java:685)
   at libcore.reflect.AnnotationAccess.toAnnotationInstance(AnnotationAccess.java:663)
   at libcore.reflect.AnnotationAccess.toAnnotationInstance(AnnotationAccess.java:641)
   at libcore.reflect.AnnotationAccess.getDeclaredAnnotation(AnnotationAccess.java:170)
   at libcore.reflect.AnnotationAccess.getAnnotation(AnnotationAccess.java:72)
   at java.lang.Class.getAnnotation(Class.java:343)
   at com.shaded.fasterxml.jackson.databind.introspect.VisibilityChecker$Std.(VisibilityChecker.java)
   at com.shaded.fasterxml.jackson.databind.introspect.VisibilityChecker$Std.defaultInstance(VisibilityChecker.java:180)
   at com.shaded.fasterxml.jackson.databind.ObjectMapper.(ObjectMapper.java)
   at com.firebase.client.core.view.QueryParams.(QueryParams.java)
   at com.firebase.client.Firebase.(Firebase.java)
   at com.firebase.client.Firebase.(Firebase.java)
   at com.firebase.client.Firebase.(Firebase.java)
   at com.._._._.LoginActivity.onCreate(LoginActivity.java:102)
   at android.app.Activity.performCreate(Activity.java:5953)
   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1128)
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2267)
   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2388)
   at android.app.ActivityThread.access$800(ActivityThread.java:148)
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1292)
   at android.os.Handler.dispatchMessage(Handler.java:102)
   at android.os.Looper.loop(Looper.java:135)
   at android.app.ActivityThread.main(ActivityThread.java:5312)
   at java.lang.reflect.Method.invoke(Method.java)
   at java.lang.reflect.Method.invoke(Method.java:372)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)
where the line with at com._._._.BaseClasses.LoginActivity.onCreate(LoginActivity.java:102) refers to   ref = new Firebase(Constant.FIREBASE_URL);
Please let me know where I am making the mistake. TIA