responsecode check error

Author: Mark

src/main/java/com/arangodb/internal/velocystream/Communication.java

@@ -50,7 +50,7 @@
  */
 public class Communication {
 
-	private static final int ERROR_STATUS = 400;
+	private static final int ERROR_STATUS = 300;
 
 	private static final Logger LOGGER = LoggerFactory.getLogger(Communication.class);