Elasticsearch6.6用编程更新内容报错Invalid index name [movie2021 ], must not contain the following characters

{"root_cause":[{"type":"invalid_index_name_exception","reason":"Invalid index name [movie2021 ], must not contain the following characters [ , \", *, \\, <, |, ,, >, /, ?]","index_uuid":"_na_","index":"movie2021 "}],"type":"invalid_index_name_exception","reason":"Invalid index name [movie2021 ], must not contain the following characters [ , \", *, \\, <, |, ,, >, /, ?]","index_uuid":"_na_","index":"movie2021 "}

1，主要问题是index name出现了非法字符，导致

2，type 的定义默认_doc 但是如果定义为其它名字，会导致冲突