java.lang.ExceptionInInitializerError when running flutter release mode
I am using flutter and , I have found solution.
There are some steps , you must do, please follow correctly:
STEP 1:
In /Android/app folder:
find below files: proguard-android.txt proguard-rules.pro
if they are not exists create them, with same name.
STEP 2:
Paste this code into both files (proguard-android.txt and proguard-rules.pro):
-keep class io.grpc.** {*;}
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
STEP 3:
in /Android/app/build.gradle make sure that, theese lines have added:
buildTypes {
release {
// TODO: Add your own signing config for the release build.
// Signing with the debug keys for now, so `flutter run --release` works.
signingConfig signingConfigs.release //If in debug, change release to debug
minifyEnabled true
useProguard true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' *//I add this line...*
} }
STEP 4:
in terminal of Android Studio
flutter clean
then
flutter pub get
after theese steps it must work.
prabhu r
Updated on December 26, 2022Comments
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prabhu r over 1 year
My flutter app works fine in debug mode. But, when I run it with
flutter run --release
I am getting the following error.E/AndroidRuntime(18551): java.lang.ExceptionInInitializerError E/AndroidRuntime(18551): at e.c.M1.o.forTarget(Unknown Source:0) E/AndroidRuntime(18551): at e.c.M1.p.a(:1) E/AndroidRuntime(18551): at e.c.J0.b(:2) E/AndroidRuntime(18551): at com.google.firebase.firestore.p0.V.e(:2) E/AndroidRuntime(18551): at com.google.firebase.firestore.p0.r.call(Unknown Source:2) E/AndroidRuntime(18551): at c.d.a.b.l.O.run(Unknown Source:4) E/AndroidRuntime(18551): at com.google.firebase.firestore.q0.G.a(:1) E/AndroidRuntime(18551): at com.google.firebase.firestore.q0.l.run(Unknown Source:4) E/AndroidRuntime(18551): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) E/AndroidRuntime(18551): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) E/AndroidRuntime(18551): at java.lang.Thread.run(Thread.java:923) E/AndroidRuntime(18551): Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodException: e.c.J1.values [] E/AndroidRuntime(18551): at java.lang.Enum.enumValues(Enum.java:270) E/AndroidRuntime(18551): at java.lang.Enum.access$000(Enum.java:61) E/AndroidRuntime(18551): at java.lang.Enum$1.create(Enum.java:277) E/AndroidRuntime(18551): at java.lang.Enum$1.create(Enum.java:275) E/AndroidRuntime(18551): at libcore.util.BasicLruCache.get(BasicLruCache.java:63) E/AndroidRuntime(18551): at java.lang.Enum.getSharedConstants(Enum.java:289) E/AndroidRuntime(18551): at java.lang.Class.getEnumConstantsShared(Class.java:2428) E/AndroidRuntime(18551): at java.util.EnumSet.getUniverse(EnumSet.java:407) E/AndroidRuntime(18551): at java.util.EnumSet.noneOf(EnumSet.java:109) E/AndroidRuntime(18551): at java.util.EnumSet.of(EnumSet.java:235) E/AndroidRuntime(18551): at e.c.M1.o.<clinit>(Unknown Source:100) E/AndroidRuntime(18551): ... 11 more E/AndroidRuntime(18551): Caused by: java.lang.NoSuchMethodException: e.c.J1.values [] E/AndroidRuntime(18551): at java.lang.Class.getMethod(Class.java:2072) E/AndroidRuntime(18551): at java.lang.Class.getDeclaredMethod(Class.java:2050) E/AndroidRuntime(18551): at java.lang.Enum.enumValues(Enum.java:267) E/AndroidRuntime(18551): ... 21 more
I've tried some ways like upgrading gradle, upgrading some dependencies to latest versions. But still it's not solved. Can you give any ideas on how to solve this?
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prabhu r over 2 yearsFor me it is showing "internal error in firestore". I fixed it using "stackoverflow.com/questions/50739346/…" this link. Anyhow thanks for ur reply :)