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  • java.lang.NullPointerException: No FileItemFactory has been set.

    1、错误描述

    java.lang.NullPointerException: No FileItemFactory has been set.
    	at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:354)
    	at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:126)
    	at com.romeo.backbone.servlet.UploadServlet.doPost(UploadServlet.java:86)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
    	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
    
    	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
    	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1813)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
    	at java.lang.Thread.run(Thread.java:662)
    

    2、错误原因


    3、解决办法

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  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13314754.html
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