啟動wso2服務器時出錯：org.wso2.carbon.user.core.UserStoreException：錯誤！ 子查詢返回的行數超過1行

Question

在嘗試連接vpn中的系統中的外部數據庫時，WSO2 api manger出錯。

    Caused by: org.wso2.carbon.user.core.UserStoreException: Error! Subquery returns more than 1 row
    at org.wso2.carbon.user.core.authorization.JDBCAuthorizationManager.addAuthorizationForRole(JDBCAuthorizationManager.java:1079)
    at org.wso2.carbon.user.core.authorization.JDBCAuthorizationManager.authorizeRole(JDBCAuthorizationManager.java:527)
    ... 37 more
Caused by: java.sql.SQLException: Subquery returns more than 1 row
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129)
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
    at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:970)
    at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1020)
    at sun.reflect.GeneratedMethodAccessor33.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:114)
    at com.sun.proxy.$Proxy19.executeQuery(Unknown Source)
    at org.wso2.carbon.user.core.authorization.JDBCAuthorizationManager.addAuthorizationForRole(JDBCAuthorizationManager.java:1025)
    ... 38 more

Answer 1

由於其中一個表中的數據錯誤，子查詢返回的行數超過1行。 解決了此問題，通過清除和更新插入的數據來更新表。