Cannot create JDBC driver of class '' for connect URL 'null'的解决方案
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公司里有个JAVA的程序.用的是TOMCAT貌似是4.X.X版本的 反正这程序写的比较久了.
然后,由于有问题,我就把程序带回来,装在自己电脑上,按着在公司的步骤:可是出问题了:Cannot create JDBC driver of class '' for connect URL 'null';找了好久也不知道什么问题.
后来发现我用的是5.5.X版本 跟公司的不一样.可能配置有问题.
后来在Tomcat 5.5/conf/Catalina/localhost目录下的项目配置文件做了修改:
将如下的代码:
<Resource name="jdbc/mysql" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/mysql">
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>4</value>
</parameter>
<parameter>
<name>password</name>
<value>root</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:mysql://localhost:3306/clfzoa?useUnicode=true&amp;amp;amp;characterEncoding=gbk</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.mysql.jdbc.Driver</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>2</value>
</parameter>
<parameter>
<name>username</name>
<value>root</value>
</parameter>
</ResourceParams>
换成:
结果运行正常...
- Cannot create JDBC driver of class '' for connect URL 'null'的解决方案
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- cannot create jdbc driver of class '' for connect url 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null’
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null'
- Cannot create JDBC driver of class '' for connect URL 'null' 解决方案
- Cannot create JDBC driver of class '' for connect URL 'null' 解决方案
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