解决：Caused by: java.lang.UnsupportedOperationException: null

时间 2021-01-09

标签 java.lang.UnsupportedOperation null at java.util.AbstractList.remo at java.util.AbstractList$Itr. at java.util.AbstractCollectio 栏目 Java 繁體版

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1.报错：严重: Servlet.service() for servlet [lbd-institution] in context with path [/ins] threw exception [Request processing failed; nested exception is java.lang.UnsupportedOperationException] with ro

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1. 解决Caused by: com.mysql.cj.exceptions.InvalidConnectionAttributeException
2. 报错：Caused by: tech.yooo.common.exception.controller.ControllerException: null
3. Caused by: org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "id")
4. Caused by: org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "employee")
5. Caused by: java.lang.UnsatisfiedLinkError...解决经历
6. 解决Caused by: java.lang.ClassNotFoundException: org.springframework.boot.SpringApplication
7. 解决：java.lang.ExceptionInInitializerError。Caused by: java.lang.IllegalStateException: SpringJUnit4C
8. Caused by: org.springframework.mail.MailAuthenticationException: Authenticat；已解决
9. 解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:
10. Caused by: java.sql.SQLException: null, message from server: "Unknown error 1130"
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1. 解决Caused by: com.mysql.cj.exceptions.InvalidConnectionAttributeException
2. 报错：Caused by: tech.yooo.common.exception.controller.ControllerException: null
3. Caused by: org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "id")
4. Caused by: org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "employee")
5. Caused by: java.lang.UnsatisfiedLinkError...解决经历
6. 解决Caused by: java.lang.ClassNotFoundException: org.springframework.boot.SpringApplication
7. 解决：java.lang.ExceptionInInitializerError。Caused by: java.lang.IllegalStateException: SpringJUnit4C
8. Caused by: org.springframework.mail.MailAuthenticationException: Authenticat；已解决
9. 解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:
10. Caused by: java.sql.SQLException: null, message from server: "Unknown error 1130"

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