Error: JNI ERROR (app bug): accessed stale global reference

爱⌒轻易说出口 提交于 2019-11-29 03:25:35

This error occurs when you call a method with an incorrect parameter type.

Make sure your method signature matches exactly what you are passing. For a string array:

jmethodID mid = env->GetMethodID(cls, methodName, "([Ljava/lang/String;)V");

If you are creating it yourself, it would look something like this:

jclass stringCls = env->FindClass("java/lang/String");
jobjectArray mStringArray = env->NewObjectArray( mSize, stringCls, NULL);

In your specific case, you are most likely not seeing the crash on Android 2.3 because you are calling AsyncTask.execute() which wasn't available until API 11 (Android 3.0) and your jmethodID is null. (It's a good idea to always check jclass and jmethodID for null after getting them)

This error occurs when you call a method with an incorrect parameter type.

Addition, in this case you may be register the native method on Java code different from the native code. The difference can be you declare more or less parameters between the Java code and native code.

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