我的是mysql-connector-java-5.1.20.jar加到lib下面就行了.或者在pom中加入配置也行.…

System.Net.WebException was caught HResult=-2146233079 Message=An exception occurred during a WebClient request. Source=System StackTrace: at System.Net.WebClient.OpenRead(Uri address) at System.Net.WebClient.OpenRead(String address) at Client.Progra…

Error 1 Uncaught exception (see the 'inner exception' below) has suspended an instance of service 'JD.EAI.POCheck(e8eb59a4-87f2-1933-5d4f-3bef0d073ae9)'. The service instance will remain suspended until administratively resumed or terminated. If resu…

HTTP Status 500 - An exception occurred processing JSP page /manage/addCategory.jsp at line 35 type Exception report message An exception occurred processing JSP page /manage/addCategory.jsp at line 35 description The server encountered an internal e…

做了2个action,其中一个运行没有问题,另一个报错,看下面的报错信息,再看了看struts.xml,因为没有给GetBooks这个action配置actionform,所以就导致报null.下面是有问题的struts.xml,其中主要的问题就是没有给GetBooks这个action配置actionform,也就是没有添加那个interceptor-ref name="integration",添加上就好了(这个form在应用的逻辑里面,GetBooks是不需要form的,但是可能是…

今天再给Android项目工程中的包重命名时出现了这个错误(之前重命名的时候就没有出现,郁闷): An unexpected exception occurred while creating a change object. see the error log for more details 效果如下图所示: 之后google百度各种找,最后在stackoverflow上找到以一个帖子: http://stackoverflow.com/questions/6465127/rename-an…

HTTP Status 500 - An exception occurred processing JSP page /WEB-INF/test/showCountry.jsp at line 11 type Exception report message An exception occurred processing JSP page /WEB-INF/test/showCountry.jsp at line 11 description The server encountered a…

org.apache.jasper.JasperException: An exception occurred processing JSP page /admin/jiaoshi/daochuExc.jsp at line 163 这两句话表示创建一个新的文件失败.所以可能是当前用户没有文件路径的訪问权限.也有可能是文件路径错误等其它关于文件路径的问题…

安装owncloud出现:Error while trying to create admin user: An exception occurred while executing 1.安装owncloud出现如下报错 Error ’ with Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a stor…

17:40:17,249 ERROR DefaultDispatcherErrorHandler:42 - Exception occurred during processing request: could not initialize proxy - no Session org.hibernate.LazyInitializationException: could not initialize proxy - no Session at org.hibernate.proxy.Abst…