学习Spring Boot 过程中遇到了下列这个问题 Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.//无法配置数据库,没有指定url属性,并且无法配置embedded datasourceReason: Failed to determine a suitable driver class…
Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class Action: Consider the following: If you want an embedded database (H2,…
这个坑把java进程干掉就可以了,因为占用了 Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.//无法配置数据库,没有指定url属性,并且无法配置embedded datasourceReason: Failed to determine a suitable driver class//原因…
在我们开发的工程中,有时候会报[Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ------这种异常 不用多想,肯定是我们的sql语句出现问题,下面我只说我经常犯的一种错误.当然还有很多种错误,我们遇到再说. 这时候 我们不难发现 错误的原因是我们这里多了…
java.sql.Types Java IBM DB2 Oracle Sybase SQL-SERVER BIGINT java.lang.long BIGINT NUMBER (38, 0) BIGINT BIGINT BINARY byte[] CHAR FOR BIT DATA RAW BINARY IMAGE BIT java.lang.Boolean N/A BIT BIT BIT BLOB byte[] BLOB BLOB BLOB BLOB CHAR jav…
1 详细异常信息 ERROR yarn.ApplicationMaster: User class threw exception: java.sql.SQLException: Communications link failure The last packet successfully received from the server was 18,973 milliseconds ago. The last packet sent successfully to the server w…
异常如下: ### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = '1…
参见程序中的queryResult那部分: /* * This example demonstrates how to fetch a single row from a large table * one by one and get processed by application. It avoids allocation of * large memory by the ibm_db and data processing becomes easier. * * This example…
今天调试程序是遇到了,下面的一个问题.我将对应的SQL语句拿到Toad下也能正常的执行,感觉有点莫名其妙,根据异常信息的提示查看对应的映射结果集也没发现错误,然后百度了一下,也有许多朋友也遇到过这样的问题,原因大概有两个,一是:结果集中的字段含有对应的数据库产品的关键字,二是:在xml文件中的SQL语句中,两个填充变量间没有写逗号,我仔细分析自己的SQL语句,觉得有可能是第二种原因!where 1 = 1 order by ? ?占位符的方式传递参数是确实没有逗号,我将SQL语句中order b…
Hibernate常见错误合集 1.错误:object references an unsaved transient instance - save the transient instance before flushing: com.xxxx.bean.java.Sysblog; nested exception is org.hibernate.TransientObjectException: object references an unsaved transient insta…
截取部分日志信息: 2015-09-01 14:48:47,132 INFO [org.springframework.beans.factory.xml.XmlBeanDefinitionReader] - Loading XML bean definitions from class path resource [org/springframework/jdbc/support/sql-error-codes.xml]2015-09-01 14:48:47,178 INFO [org.spr…