protected final boolean decodeError(String line) {
if (line.startsWith("ERROR")) {
String[] splits = line.split("ERROR");
String errorMsg = splits.length >= 2 ? splits[1]
: "Unknow command " + getCommandType();
setException(new UnknownCommandException(
"Response error,error message:" + errorMsg));
countDownLatch();
return true;
} else if (line.startsWith("CLIENT_ERROR")) {
setException(new MemcachedClientException(getErrorMsg(line,