今天在整合ssh三个框架时,有一个功能,是查询所有员工信息,且员工表和部门表是多对一的映射关系,代码能正常运行到查询得到一个List集合,但在页面展示的时候,就报异常了, java.lang.ClassCastException: com.ch.hibernate.Department_$$_javassist_0 cannot be cast to javassist.util.proxy.Proxy 问题应该出在实体类Department上,然后我参照网上的解释,将Department.hb…
今天在整合ssh三个框架时,有一个功能,是查询所有员工信息,且员工表和部门表是多对一的映射关系,代码能正常运行到查询得到一个List集合,但在页面展示的时候,就报异常了, java.lang.ClassCastException: com.ch.hibernate.Department_$$_javassist_0 cannot be cast to javassist.util.proxy.Proxy 问题应该出在实体类Department上,然后我参照网上的解释,将Department.hb…
解决办法:删除.m2文件夹下的全部仓库,然后重启myeclipse,对项目进行maven project.问题解决. 在没有这样做时,除了tomcat启动会失败,项目还有会报如下错误: ①cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration... ②Build path is incomplete. Cannot find class file for org/springframework/cor…
Caused by: java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMManagerDefault cannot be cast to org.apache.xml.dtm.DTMManager Error while adding the mapper 'interface com.a.b.c' to configuration. 原因:org.apache.xalan_2.7.1.v201005080400.jar, xalan…
在做文件上传时,当写入上传的文件到文件时,会报错“java.lang.IllegalStateException: File has been moved - cannot be read again”,网上一般说需要配置maxInMemorySize,自己测试发现,maxInMemorySize确实会影响结果,并且项目还跟写入文件到文件夹的transferTo(File dest)方法也有关系,以下是报错截图: 问题说明 通过debug和浏览器提示,浏览器端代码没有问题,问题跟服务端专门处理上…
报错: java.lang.IllegalStateException: LifecycleProcessor not initialized - call 'refresh' before invoking lifecycle methods via the context: Root WebApplicationContext: startup date [Thu Nov 27 08:53:38 CST 2014]; root of context hierarchy 解决: 先关闭tomc…
开着idea,死机了,关机重启.重启之后,重新打开idea报错java.lang.AssertionError:upexpected content storage modification. goole得到: If you cannot even open your project in IntelliJ: Close IntelliJ Go to the directory <your_home>/.IntelliJIdeaXX/system/cache where XX is your…
class Person{ private String name ; private String sex ; public Person(){ System.out.println("c"); } public Person(String c1){ this.name =c1; System.out.println("c1"+c1); } public Person(String c1,String c2){ this.name =c1; this.sex =c…
Intellij IDEA 报错java.lang.NoClassDefFoundError 11-Aug-2018 23:48:24.686 严重 [http-nio-8080-exec-5] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [com.wbg.testservlet] in context with path [] threw exception [Servle…
springboot测试启动报错: java.lang.IllegalStateException: Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=...) with your test 解决:注意springboot启动类Application要和测试类在同一级包下…