錯誤信息

2019-12-03 22:18:37.239 WARN 19120 --- [nio-8100-exec-4] o.s.s.o.p.c.JdbcClientDetailsService : Could not decode JSON for additional information: BaseClientDetails [clientId=c1, clientSecret=$2a$10$NlBC84MVb7F95EXYTXwLneXgCca6/GipyWR5NHm8K0203bSQMLpvm, scope=[ROLE_ADMIN, ROLE_USER, ROLE_API], resourceIds=[res1], authorizedGrantTypes=[client_credentials, password, authorization_code, implicit, refresh_token], registeredRedirectUris=[http://www.baidu.com], authorities=[], accessTokenValiditySeconds=7200, refreshTokenValiditySeconds=259200, additionalInformation={}]java.io.EOFException: No content to map to Object due to end of inputat org.codehaus.jackson.map.ObjectMapper._initForReading(ObjectMapper.java:2775) ~[jackson-mapper-asl-1.9.13.jar:1.9.13]at org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2718) ~[jackson-mapper-asl-1.9.13.jar:1.9.13]at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1863) ~[jackson-mapper-asl-1.9.13.jar:1.9.13]at org.springframework.security.oauth2.provider.client.JdbcClientDetailsService$JacksonMapper.read(`JdbcClientDetailsService.java:309`) ~[spring-security-oauth2-2.3.4.RELEASE.jar:na]at org.springframework.security.oauth2.provider.client.JdbcClientDetailsService$ClientDetailsRowMapper.mapRow(JdbcClientDetailsService.java:268) [spring-security-oauth2-2.3.4.RELEASE.jar:na]at org.springframework.security.oauth2.provider.client.JdbcClientDetailsService$ClientDetailsRowMapper.mapRow(JdbcClientDetailsService.java:251) [spring-security-oauth2-2.3.4.RELEASE.jar:na]at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:94) [spring-jdbc-5.1.10.RELEASE.jar:5.1.10.RELEASE]at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:61) [spring-jdbc-5.1.10.RELEASE.jar:5.1.10.RELEASE]

根據(jù)錯消息定位到 JdbcClientDetailsService.java 這個類，查看源碼可以知道查出的數(shù)據(jù)中有一個空數(shù)據(jù)轉(zhuǎn)json報錯

查看數(shù)據(jù)庫果然 additional_information 字段都是空的。然后在數(shù)據(jù)庫中先添加了測試字符串，發(fā)現(xiàn)還是報同樣的錯誤。

最后百度+google終于在網(wǎng)址找到了下面這兩篇文章。

1.根據(jù)這篇文章里的介紹這是一個預(yù)留的字段 https://blog.csdn.net/u011676300/article/details/84390988

Spring OAuth2：無法從ClientDetailsS??ervice獲取其他信息

總結(jié)

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