報錯 com.alibaba.druid.pool.DruidPooledConnection cannot be cast to sun.rmi.transport.Connection
大概率導錯包了。 在使用DruidDataSource連接MySQL時，連接失敗，報錯com.alibaba.druid.pool.DruidPooledConnection cannot be cast to sun.rmi.transport.Connection。 我的原因是導入了錯誤的包。 正確的應該是import java.sql.Connection;
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相關文章
- 1. 報錯java.lang.Long cannot be cast to java.lang.Integer解析
- 2. Weblogic報錯：com.octetstring.vde.backend.BackendRoot cannot be cast to com.octetstring.vde.backend
- 3. Hive報錯:java.lang.String cannot be cast to org.apache.hadoop.hive.common.type.HiveVarchar
- 4. 轉 json報錯 java.util.LinkedHashMap cannot be cast to
- 5. 報錯：java.util.Date cannot be cast to java.sql.Date
- 6. Mybatis報錯: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Character
- 7. 報錯：DoubleType cannot be cast to org .hibernate.type
- 8. cannot be cast to javax.servlet.Servlet
- 9. cannot be cast to org.springframework.web.multipart.MultipartHttpServletRequest
- 10. cannot be cast to org.springframework.web.accept.ContentNegotiationManager