8034214: [parfait] JNI exception pending in jdk/src/macosx/native/sun/awt/CInputMethod.m

Reviewed-by: pchelko, azvegint

src/macosx/native/sun/awt/CInputMethod.m

 /*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,17 +70,23 @@ static jobject CreateLocaleObjectFromNSString(JNIEnv *env, NSString *name)
     }
 
     // Create the java.util.Locale object
+    jobject localeObj = NULL;
     jobject langObj = (*env)->NewStringUTF(env, language);
+    if (langObj != NULL) {
         jobject ctryObj = (*env)->NewStringUTF(env, country);
+        if(ctryObj != NULL) {
             jobject vrntObj = (*env)->NewStringUTF(env, variant);
-    jobject localeObj = JNFNewObject(env, jm_localeCons, langObj, ctryObj, vrntObj); // AWT_THREADING Safe (known object)
-
+            if (vrntObj != NULL) {
+                localeObj = JNFNewObject(env, jm_localeCons,langObj, ctryObj,
+                                         vrntObj);
+                (*env)->DeleteLocalRef(env, vrntObj);
+            }
+            (*env)->DeleteLocalRef(env, ctryObj);
+        }
+        (*env)->DeleteLocalRef(env, langObj);
+    }
     // Clean up and return.
     free(language);
-    (*env)->DeleteLocalRef(env, langObj);
-    (*env)->DeleteLocalRef(env, ctryObj);
-    (*env)->DeleteLocalRef(env, vrntObj);
-
     return localeObj;
 }
 
@@ -234,11 +240,13 @@ JNF_COCOA_ENTER(env);
 
         if (sLastKeyboardLocaleObj) {
             JNFDeleteGlobalRef(env, sLastKeyboardLocaleObj);
+            sLastKeyboardLocaleObj = NULL;
         }
-
+        if (localObj != NULL) {
             sLastKeyboardLocaleObj = JNFNewGlobalRef(env, localObj);
             (*env)->DeleteLocalRef(env, localObj);
         }
+    }
 
     returnValue = sLastKeyboardLocaleObj;
 
@@ -305,9 +313,12 @@ JNF_COCOA_ENTER(env);
 
     for(NSString *locale in selectableArray) {
         jobject localeObj = CreateLocaleObjectFromNSString(env, locale);
+        if (localeObj == NULL) {
+            break;
+        }
 
-        if (JNFCallBooleanMethod(env, returnValue, jm_listContains, localeObj) == JNI_FALSE) { // AWT_THREADING Safe (known object)
-            JNFCallBooleanMethod(env, returnValue, jm_listAdd, localeObj); // AWT_THREADING Safe (known object)
+        if (JNFCallBooleanMethod(env, returnValue, jm_listContains, localeObj) == JNI_FALSE) {
+            JNFCallBooleanMethod(env, returnValue, jm_listAdd, localeObj);
         }
 
         (*env)->DeleteLocalRef(env, localeObj);