Wait for createProgress completion

Signed-off-by: Csilla Farkas csilla.farkas@sigmatechnology.com

lsp/src/main/java/org/eclipse/titan/lsp/TitanLanguageServer.java

@@ -11,7 +11,9 @@ import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
@@ -240,7 +242,16 @@ public final class TitanLanguageServer implements LanguageServer, LanguageClient
 			progressBegin.setMessage(message);
 			progressBegin.setCancellable(true);
 			final WorkDoneProgressCreateParams createParams = new WorkDoneProgressCreateParams(Either.forLeft(token));
-			getClient().createProgress(createParams);
+			try {
+				final long timeout = 3;
+				getClient().createProgress(createParams).get(timeout, TimeUnit.SECONDS);
+			} catch (ExecutionException e) {
+				e.printStackTrace();
+			} catch (InterruptedException e) {
+				e.printStackTrace();
+			} catch (TimeoutException e) {
+				e.printStackTrace();
+			}
 
 			return token;
 		}