報錯信息：Could not write JSON: (was java.lang.NullPointerException)； nested exception is com.fasterxml.j
記錄一次spring boot整合layui加security查詢List接口返回接口異常報錯 實現了UserDetails接口 Mapper接口 前臺直接注入Mapper然後調用接口 後臺一切運行正常然後到前臺報一個500，報錯信息如下 {timestamp: 「2020-09-21T07:02:23.328+00:00」, status: 500, error: 「Internal Serve
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相關文章
- 1. Could not write JSON: (was java.lang.NullPointerException)；
- 2. Could not write JSON document: (was java.lang.NullPointerException) (through reference chain
- 3. org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON
- 4. Could not write JSON: Cannot format given Object as a Date; nested exception is com.fasterxml.jackso
- 5. Request processing failed; nested exception is java.lang.NullPointerException
- 6. 報錯nested exception is com.fasterxml.jackson.databind.exc.InvalidTypeIdException
- 7. nested exception is java.lang.NoClassDefFoundError: Could not initialize class com.alibaba.dubbo....
- 8. Redis異常 Unknown redis exception; nested exception is java.lang.NullPointerException
- 9. Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Cannot報錯
- 10. Could not commit JPA transaction; nested exception is javax.persistence.RollbackException