--- old/modules/javafx.graphics/src/main/native-glass/gtk/GlassApplication.cpp	2016-09-05 14:04:48.052773900 +0300
+++ new/modules/javafx.graphics/src/main/native-glass/gtk/GlassApplication.cpp	2016-09-05 14:04:47.830745700 +0300
@@ -56,10 +56,21 @@
 {
     RunnableContext* context = reinterpret_cast<RunnableContext*>(data);
 
-    mainEnv->CallVoidMethod(context->runnable, jRunnableRun, NULL);
-    LOG_EXCEPTION(mainEnv);
-    mainEnv->DeleteGlobalRef(context->runnable);
+    JNIEnv *env;
+    int envStatus = javaVM->GetEnv((void **)&env, JNI_VERSION_1_6);
+    if (envStatus == JNI_EDETACHED) {
+        javaVM->AttachCurrentThread((void **)&env, NULL);
+    }
+
+    env->CallVoidMethod(context->runnable, jRunnableRun, NULL);
+    LOG_EXCEPTION(env);
+    env->DeleteGlobalRef(context->runnable);
     free(context);
+
+    if (envStatus == JNI_EDETACHED) {
+        javaVM->DetachCurrentThread();
+    }
+
     return FALSE;
 }
 
--- old/modules/javafx.graphics/src/main/native-glass/gtk/GlassTimer.cpp	2016-09-05 14:04:49.379942400 +0300
+++ new/modules/javafx.graphics/src/main/native-glass/gtk/GlassTimer.cpp	2016-09-05 14:04:49.154413800 +0300
@@ -79,8 +79,18 @@
         return FALSE;
     }
     else if (context->runnable) {
-        mainEnv->CallVoidMethod(context->runnable, jRunnableRun, NULL);
-        LOG_EXCEPTION(mainEnv);
+        JNIEnv *env;
+        int envStatus = javaVM->GetEnv((void **)&env, JNI_VERSION_1_6);
+        if (envStatus == JNI_EDETACHED) {
+            javaVM->AttachCurrentThread((void **)&env, NULL);
+        }
+
+        env->CallVoidMethod(context->runnable, jRunnableRun, NULL);
+        LOG_EXCEPTION(env);
+
+        if (envStatus == JNI_EDETACHED) {
+            javaVM->DetachCurrentThread();
+        }
     }
     return TRUE;
 }
--- old/modules/javafx.graphics/src/main/native-glass/gtk/glass_general.cpp	2016-09-05 14:04:50.689608700 +0300
+++ new/modules/javafx.graphics/src/main/native-glass/gtk/glass_general.cpp	2016-09-05 14:04:50.464580100 +0300
@@ -118,6 +118,8 @@
     return displayValid;
 }
 
+JavaVM* javaVM;
+
 JNIEXPORT jint JNICALL
 JNI_OnLoad(JavaVM *jvm, void *reserved)
 {
@@ -127,9 +129,10 @@
     jclass clazz;
     Display* display;
 
+    javaVM = jvm;
     if (jvm->GetEnv((void **)&env, JNI_VERSION_1_6)) {
          return JNI_ERR; /* JNI version not supported */
-     }
+    }
 
     clazz = env->FindClass("java/lang/String");
     if (env->ExceptionCheck()) return JNI_ERR;
--- old/modules/javafx.graphics/src/main/native-glass/gtk/glass_general.h	2016-09-05 14:04:52.043780700 +0300
+++ new/modules/javafx.graphics/src/main/native-glass/gtk/glass_general.h	2016-09-05 14:04:51.818252000 +0300
@@ -42,6 +42,7 @@
 #define URI_LIST_LINE_BREAK "\r\n"
 
 extern JNIEnv* mainEnv; // Use only with main loop thread!!!
+extern JavaVM* javaVM;
 
 #include <exception>