小编use*_*305的帖子

正如标题中所提到的,我遇到了这个问题,当同一个客户端同时查询令牌端点时(两个进程同时请求同一客户端的令牌).

auth服务器日志中的消息如下所示:

2016-12-05 19:08:03.313  INFO 31717 --- [nio-9999-exec-5] o.s.s.o.provider.endpoint.TokenEndpoint  : Handling error: DuplicateKeyException, PreparedStatementCallback; SQL [insert into oauth_access_token (token_id, token, authentication_id, user_name, client_id, authentication, refresh_token) values (?, ?, ?, ?, ?, ?, ?)]; ERROR: duplicate key value violates unique constraint "oauth_access_token_pkey"
      Detail: Key (authentication_id)=(4148f592d600ab61affc6fa90bcbf16f) already exists.; nested exception is org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "oauth_access_token_pkey"
      Detail: Key (authentication_id)=(4148f592d600ab61affc6fa90bcbf16f) already exists.

我正在使用PostgreSQL这样的表:

CREATE TABLE oauth_access_token
(
  token_id character varying(256),
  token bytea,
  authentication_id character varying(256) NOT NULL,
  user_name character …