Include the name of the failed command in TS3CommandFailedException

Author: rogermb

src/main/java/com/github/theholywaffle/teamspeak3/SocketReader.java

@@ -168,7 +168,7 @@ private void handleCommandError(ResponseBuilder responseBuilder, final String er
 			log.debug("TS3 command error: {}", queryError);
 
 			ts3.submitUserTask("Future FailureListener (" + command.getName() + ")",
-					() -> future.fail(new TS3CommandFailedException(queryError)));
+					() -> future.fail(new TS3CommandFailedException(queryError, command.getName())));
 		}
 	}
 

src/main/java/com/github/theholywaffle/teamspeak3/TS3ApiAsync.java

@@ -1489,7 +1489,7 @@ public CommandFuture<Long> downloadFile(OutputStream dataOut, String filePath, i
 		executeAndTransformFirst(cmd, FileTransferParameters::new).onSuccess(params -> {
 			QueryError error = params.getQueryError();
 			if (!error.isSuccessful()) {
-				future.fail(new TS3CommandFailedException(error));
+				future.fail(new TS3CommandFailedException(error, cmd.getName()));
 				return;
 			}
 
@@ -1570,7 +1570,7 @@ public CommandFuture<byte[]> downloadFileDirect(String filePath, int channelId,
 		executeAndTransformFirst(cmd, FileTransferParameters::new).onSuccess(params -> {
 			QueryError error = params.getQueryError();
 			if (!error.isSuccessful()) {
-				future.fail(new TS3CommandFailedException(error));
+				future.fail(new TS3CommandFailedException(error, cmd.getName()));
 				return;
 			}
 
@@ -4905,7 +4905,7 @@ public CommandFuture<Void> uploadFile(InputStream dataIn, long dataLength, Strin
 		executeAndTransformFirst(cmd, FileTransferParameters::new).onSuccess(params -> {
 			QueryError error = params.getQueryError();
 			if (!error.isSuccessful()) {
-				future.fail(new TS3CommandFailedException(error));
+				future.fail(new TS3CommandFailedException(error, cmd.getName()));
 				return;
 			}
 

src/main/java/com/github/theholywaffle/teamspeak3/api/exception/TS3CommandFailedException.java

@@ -34,13 +34,14 @@ public class TS3CommandFailedException extends TS3Exception {
 
 	private final QueryError queryError;
 
-	public TS3CommandFailedException(QueryError error) {
-		super(buildMessage(error));
+	public TS3CommandFailedException(QueryError error, String commandName) {
+		super(buildMessage(error, commandName));
 		queryError = error;
 	}
 
-	private static String buildMessage(QueryError error) {
-		final StringBuilder msg = new StringBuilder("A command returned with a server error.\n");
+	private static String buildMessage(QueryError error, String cmdName) {
+		final StringBuilder msg = new StringBuilder();
+		msg.append("A \"").append(cmdName).append("\" command returned with a server error.\n");
 		msg.append(">> ").append(error.getMessage()).append(" (ID ").append(error.getId()).append(')');
 
 		final String extra = error.getExtraMessage();