我有一個Java Web應用程序。我已經建立了這個新項目,並收到以下異常,當我運行一個jsp,Servlet.service()拋出ClassCastException
Oct 10, 2012 3:01:49 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.ClassCastException: org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor
at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:151)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:340)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Oct 10, 2012 3:01:57 AM org.apache.catalina.loader.WebappClassLoader modified
INFO: Additional JARs have been added : 'activation-1.1.jar'
Oct 10, 2012 3:01:57 AM org.apache.catalina.core.StandardContext reload
INFO: Reloading this Context has started
Oct 10, 2012 3:01:57 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/AutoUpgrade] registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Oct 10, 2012 3:01:57 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/AutoUpgrade] appears to have started a thread named [Timer-0] but has failed to stop it. This is very likely to create a memory leak.
我試圖清理和建設項目很多次,獲取最新服務api.jar中,我的lib是非常廣泛並且我無法弄清楚任何導致此錯誤的jar之間是否存在任何不一致。我在jdk 1.6上運行Apache Tomcat 6上的項目(我的項目需要在1.6上運行)。我試圖用google搜索這個異常,但沒有得到任何與我的問題相關的帖子。關於stackoverflow的相關問題討論了NullPointerException。
我認爲這個問題必須與我的圖書館,但我不能指出根本原因。
感謝
是否存在特定JSP或所有JSP的問題?你如何處理依賴關係 - maven/ivy/gradle還是僅僅手工複製jar文件?你可以看看你的依賴項列表,看是否有任何tomcat庫被包含爲項目依賴項 - 這很可能是問題所在。 – jmruc
問題出在所有jsps上。我已經手動將所有jar文件複製到我的項目lib文件夾中。將檢查我的tomcat庫中的依賴關係,並讓你知道 – Rishabh