这里简单记录一下,学习spring的时候碰过的异常: 异常:org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [bean.xml]; nested exception is org.springframework.context.annotation.ConflictingBeanDef…
这个异常是在开发Spring案例时遇到的. 贴一下完整异常信息: Exception in thread "main" java.lang.ClassCastException: com.sun.proxy.$Proxy4 cannot be cast to com.edu.aop.ArithmeticCalculatorImpl at com.edu.aop.Main.main(Main.java:11) 原因:Spring AOP是实现AOP的一种技术,是采用“动态代理技术”实现的…
1.java.lang.SecurityException: sealing violation: package javax.servlet is sealed java.lang.SecurityException: sealing violation: package javax.servlet is sealed at java.net.URLClassLoader.getAndVerifyPackage(URLClassLoader.java:) at java.net.URLClas…
今天在配置SSM整合的过程中遇到了几个错误,折腾了好久,具体如下 1.java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for 在网上找了好久,最后发现是namespace没写对: <!-- namespace必须为UserMapper的全称:包名+Mapper接口的名称 --><mapper namespace="edu.fjnu.hyf.mapper…
在使用Atomikos过程中遇到的一些问题,以作记录: MySQL does not support TMJOIN MySQL does not allow for joining an existing XA transaction branch, as mentioned here:http://dev.mysql.com/doc/refman/5.0/en/xa-restrictions.html - the consequence is that one transaction acce…