Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream
An error is reported when uploading a file using commonsmultipartfile. The error is due to the following reasons: the corresponding jar package of Commons IO is missing
The solution is to import the dependencies of Commons IO in POM. Update the classes jar package and import it successfully
Just run the program
An error is reported when uploading a file using commonsmultipartfile
Errors are reported as follows
HTTP status 500 – internal server error
Type exception report
Message handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream
Description the server encountered an unexpected condition that prevented it from completing the request.
Exceptions
org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1006)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
org.springframework.web.servlet.FrameworkServlet.proc essRequest(FrameworkServlet.java:974)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:877)
javax.servlet.http.HttpServlet.service(HttpServlet.java:681)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
or g.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
reason
The corresponding jar package of Commons IO is missing
terms of settlement
Import common IO dependency in POM
Update the classes
The jar package was imported successfully
Just run the program
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