src/java.desktop/macosx/native/libawt_lwawt/awt/JavaAccessibilityUtilities.m

@@ -124,25 +124,31 @@
 
 BOOL isVertical(JNIEnv *env, jobject axContext, jobject component)
 {
     static JNF_STATIC_MEMBER_CACHE(jm_VERTICAL, sjc_AccessibleState, "VERTICAL", "Ljavax/accessibility/AccessibleState;");
     jobject axVertState = JNFGetStaticObjectField(env, jm_VERTICAL);
-    return containsAxState(env, axContext, axVertState, component);
+    BOOL vertical = containsAxState(env, axContext, axVertState, component);
+    (*env)->DeleteLocalRef(env, axVertState);
+    return vertical;
 }
 
 BOOL isHorizontal(JNIEnv *env, jobject axContext, jobject component)
 {
     static JNF_STATIC_MEMBER_CACHE(jm_HORIZONTAL, sjc_AccessibleState, "HORIZONTAL", "Ljavax/accessibility/AccessibleState;");
     jobject axHorizState = JNFGetStaticObjectField(env, jm_HORIZONTAL);
-    return containsAxState(env, axContext, axHorizState, component);
+    BOOL horizontal = containsAxState(env, axContext, axHorizState, component);
+    (*env)->DeleteLocalRef(env, axHorizState);
+    return horizontal;
 }
 
 BOOL isShowing(JNIEnv *env, jobject axContext, jobject component)
 {
     static JNF_STATIC_MEMBER_CACHE(jm_SHOWING, sjc_AccessibleState, "SHOWING", "Ljavax/accessibility/AccessibleState;");
     jobject axVisibleState = JNFGetStaticObjectField(env, jm_SHOWING);
-    return containsAxState(env, axContext, axVisibleState, component);
+    BOOL showing = containsAxState(env, axContext, axVisibleState, component);
+    (*env)->DeleteLocalRef(env, axVisibleState);
+    return showing;
 }
 
 NSPoint getAxComponentLocationOnScreen(JNIEnv *env, jobject axComponent, jobject component)
 {
     static JNF_STATIC_MEMBER_CACHE(jm_getLocationOnScreen, sjc_CAccessibility, "getLocationOnScreen", "(Ljavax/accessibility/AccessibleComponent;Ljava/awt/Component;)Ljava/awt/Point;");