the reference must with the ';' delimiter

The reference to entity "characterEncoding" must

                         end with the ';' delimiter

the reference to entity "characterEncoding" must end with the ';' delimiter :

JPA persistence xml 中报错的写法：

<property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8" />

正确的写法：

<property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&amp;characterEncoding=utf-8" />

在xml文件中有如下几类字符要进行转义替换：

&lt;

<

小于号

&gt;

>

大于号

&amp;

&

和

&apos;

'

单引号

&quot;

"

双引号