我使用的是Java、Spring (NamedParameterJdbcTemplate)和MySQL。我的语句看起来像这样:嵌套异常为:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have anerror in your SQL syntax; check the manual that corresponds to your
: com.microsoft.sqlserver.jdbc.SQLServerConnection cannot be cast to com.mysql.jdbc.Connection at(EventQueue.java:744)
at java.awt.EventQueue.access$400(E
我刚刚升级了mysql连接JAR (从mysql-连接器-java-5.0.5.jar升级到mysql-连接器-java-8.0.19.jar),该项目开始显示导入语句的错误: symbol: class PreparedStatement
location: class package.ClassName
(HttpServlet.java:728)javax.servlet.http.HttpServlet.service: java.lang.IncompatibleClassChangeError: Found class com.mysql.jdbc.Statement, but interface was expected(HttpServlet.java:728)
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