org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor

本文介绍了一种常见的Tomcat运行时错误——org.apache.jasper.JasperException,并提供了具体的解决方案:通过修改context.xml文件中的配置来解决此问题。

org.apache.jasper.JasperException: java.lang.ClassCastException:org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor

        at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)

        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:356)

修改了tomcat里的context.xml文件,在context 元素下添加

<Loader delegate="true" /> 

即可

org.apache.catalina.core.StandardContext filterStart 严重: 启动过滤器异常 java.lang.ClassCastException: class org.springframework.web.filter.CharacterEncodingFilter cannot be cast to class javax.servlet.Filter (org.springframework.web.filter.CharacterEncodingFilter is in unnamed module of loader org.apache.catalina.loader.ParallelWebappClassLoader @758a34ce; javax.servlet.Filter is in unnamed module of loader java.net.URLClassLoader @4769b07b) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:249) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:102) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4566) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5203) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:843) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) at org.apache.catalina.
03-18
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