--- old/src/macosx/native/sun/awt/AWTWindow.m	2013-09-13 16:01:00.000000000 +0400
+++ new/src/macosx/native/sun/awt/AWTWindow.m	2013-09-13 16:00:59.000000000 +0400
@@ -350,7 +350,7 @@
 - (void) dealloc {
 AWT_ASSERT_APPKIT_THREAD;
 
-    JNIEnv *env = [ThreadUtilities getJNIEnv];
+    JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
     [self.javaPlatformWindow setJObject:nil withEnv:env];
 
     self.nsWindow = nil;