Test failures on Mac OS

Fixes #574

Signed-off-by: azerr <[email protected]>

org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/contentmodel/model/FilesChangedTracker.java

@@ -10,6 +10,7 @@
 package org.eclipse.lsp4xml.extensions.contentmodel.model;
 
 import java.io.IOException;
+import java.lang.reflect.Field;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.nio.file.Files;
@@ -18,6 +19,7 @@
 import java.nio.file.attribute.FileTime;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -54,11 +56,15 @@ public boolean isDirty() {
 					return true;
 				}
 				FileTime currentLastMofied = Files.getLastModifiedTime(file);
+				Field f = FileTime.class.getDeclaredField("value");
+				f.setAccessible(true);
+				TimeUnit tu = (TimeUnit) f.get(currentLastMofied);
+				LOGGER.log(Level.INFO, "isDirty=", tu);
 				if (!currentLastMofied.equals(lastModified)) {
 					lastModified = currentLastMofied;
 					return true;
 				}
-			} catch (IOException e) {
+			} catch (Exception e) {
 				LOGGER.log(Level.SEVERE, "Get last modified time failed", e);
 				return true;
 			}