filter out empty stack frames

Author: denrase

flutter/lib/src/jvm/jvm_exception.dart

@@ -256,8 +256,11 @@ class JvmException {
       frames.add(trimmed);
     }
 
-    final thisExceptionFrames =
-        thisException.map((e) => JvmFrame.parse(e)).toList(growable: false);
+    final thisExceptionFrames = thisException
+        .map((e) => JvmFrame.parse(e))
+        .where(
+            (e) => e.originalFrame.trim() != 'at' && e.originalFrame.isNotEmpty)
+        .toList(growable: false);
 
     final suppressedExceptions = supressed
         .map((e) => JvmException.parse(e.join(_newLine)))

flutter/test/jvm/jvm_exception_test.dart

@@ -85,6 +85,17 @@ void main() {
     expect(exception.stackTrace[0].fileName, 'StandardMessageCodec.java');
     expect(exception.stackTrace[0].lineNumber, 292);
   });
+
+  test('parse drops frames with `at ` and empty original frame', () {
+    final exception =
+        JvmException.parse(platformExceptionWithEmptyLastStackFrame);
+    expect(exception.stackTrace.length, 13);
+    expect(exception.stackTrace.last.className,
+        'com.android.internal.os.ZygoteInit');
+    expect(exception.stackTrace.last.fileName, 'ZygoteInit.java');
+    expect(exception.stackTrace.last.method, 'main');
+    expect(exception.stackTrace.last.lineNumber, 936);
+  });
 }
 
 const javaExceptionWithCauses = '''
@@ -194,3 +205,21 @@ java.lang.IllegalArgumentException: Unsupported value: '[Ljava.lang.StackTraceEl
 	at java.lang.reflect.Method.invoke(Native Method)
 	at com.android.internal.os.RuntimeInit\$MethodAndArgsCaller.run(RuntimeInit.java:556)
 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1037)''';
+
+const platformExceptionWithEmptyLastStackFrame = '''
+java.lang.RuntimeException: Catch this platform exception!
+    at io.sentry.samples.flutter.MainActivity\$configureFlutterEngine\$1.onMethodCall(MainActivity.kt:40)
+    at io.flutter.plugin.common.MethodChannel\$IncomingMethodCallHandler.onMessage(MethodChannel.java:258)
+    at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:295)
+    at io.flutter.embedding.engine.dart.DartMessenger.lambda\$dispatchMessageToQueue\$0\$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:322)
+    at io.flutter.embedding.engine.dart.DartMessenger\$\$ExternalSyntheticLambda0.run(Unknown Source:12)
+    at android.os.Handler.handleCallback(Handler.java:942)
+    at android.os.Handler.dispatchMessage(Handler.java:99)
+    at android.os.Looper.loopOnce(Looper.java:201)
+    at android.os.Looper.loop(Looper.java:288)
+    at android.app.ActivityThread.main(ActivityThread.java:7872)
+    at java.lang.reflect.Method.invoke
+    at com.android.internal.os.RuntimeInit\$MethodAndArgsCaller.run(RuntimeInit.java:548)
+    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)
+    at
+    ''';