随笔分类 -  开发bug解决

摘要:1、报错信息如下所示: by: javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: No name matching XXX found org.eclipse.paho.client.mqttv 阅读全文
posted @ 2020-06-10 13:53 kevin_ying 阅读(3358) 评论(0) 推荐(0)
摘要:一、Mysql错误: In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'ynsl_new.u.user_id'; this is incompatible 阅读全文
posted @ 2019-09-28 10:04 kevin_ying 阅读(507) 评论(0) 推荐(0)

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