| Index: jni/JniUpdateAvailableCallback.cpp | 
| diff --git a/jni/JniUpdateAvailableCallback.cpp b/jni/JniUpdateAvailableCallback.cpp | 
| index d8a4b2181e7dc96917137787029bc67bd3eb692e..a7cacffdf6660e578e4d83ac8950882013fbe12b 100644 | 
| --- a/jni/JniUpdateAvailableCallback.cpp | 
| +++ b/jni/JniUpdateAvailableCallback.cpp | 
| @@ -41,14 +41,16 @@ void JniUpdateAvailableCallback::Callback(const std::string& arg) | 
| { | 
| JNIEnvAcquire env(GetJavaVM()); | 
| - jclass clazz = env->GetObjectClass(GetCallbackObject()); | 
| - jmethodID method = env->GetMethodID(clazz, "updateAvailableCallback", | 
| - "(Ljava/lang/String;)V"); | 
| + jmethodID method = env->GetMethodID( | 
| + *JniLocalReference<jclass>(*env, | 
| + env->GetObjectClass(GetCallbackObject())), | 
| + "updateAvailableCallback", | 
| + "(Ljava/lang/String;)V"); | 
| if (method) | 
| { | 
| - jstring jArg = env->NewStringUTF(arg.c_str()); | 
| - env->CallVoidMethod(GetCallbackObject(), method, jArg); | 
| + JniLocalReference<jstring> jArg(*env, env->NewStringUTF(arg.c_str())); | 
| + env->CallVoidMethod(GetCallbackObject(), method, *jArg); | 
| } | 
| CheckAndLogJavaException(*env); |