7196866: CTW fails on all Solaris platforms

Reviewed-by: prr, jrose, twisti, kvn

src/solaris/native/sun/awt/awt_GraphicsEnv.c

@@ -926,6 +926,11 @@ void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps) {
     *shmExt = canUseShmExt = CANT_USE_MITSHM;
     *shmPixmaps = canUseShmExtPixmaps = CANT_USE_MITSHM;
 
+    if (awt_display == (Display *)NULL) {
+        AWT_NOFLUSH_UNLOCK();
+        return;
+    }
+
     /**
      * XShmQueryExtension returns False in remote server case.
      * Unfortunately it also returns True in ssh case, so

src/solaris/native/sun/java2d/x11/XRBackendNative.c

@@ -267,13 +267,19 @@ Java_sun_java2d_xr_XRBackendNative_initIDs(JNIEnv *env, jclass cls) {
     char *maskData;
     XImage* defaultImg;
     jfieldID maskImgID;
-    jlong fmt8 =
-        ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardA8));
-    jlong fmt32 =
-       ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardARGB32));
+    jlong fmt8;
+    jlong fmt32;
+
     jfieldID a8ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_A8", "J");
     jfieldID argb32ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_ARGB32", "J");
 
+    if (awt_display == (Display *)NULL) {
+        return;
+    }
+
+    fmt8 = ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardA8));
+    fmt32 = ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardARGB32));
+
     (*env)->SetStaticLongField(env, cls, a8ID, fmt8);
     (*env)->SetStaticLongField(env, cls, argb32ID, fmt32);