jsf - javax.servlet.ServletException: UT010016: Not a multi part request at io.undertow.servlet.spec.HttpServletRequestImpl.loadParts -

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i've jsf 2.2 page below file upload form deployed wildfly 8.2.0.

<h:form>     <h:inputfile value="#{filepair.miscpart}" />     <h:commandbutton value="submit" action="validationresult" /> </h:form>

when submit it, below exception:

javax.servlet.servletexception: ut010016: not multi part request     @ io.undertow.servlet.spec.httpservletrequestimpl.loadparts(httpservletrequestimpl.java:508)     @ io.undertow.servlet.spec.httpservletrequestimpl.getparts(httpservletrequestimpl.java:459)     @ com.sun.faces.renderkit.html_basic.filerenderer.decode(filerenderer.java:91)     @ javax.faces.component.uicomponentbase.decode(uicomponentbase.java:831)     @ javax.faces.component.uiinput.decode(uiinput.java:771)     @ javax.faces.component.uicomponentbase.processdecodes(uicomponentbase.java:1226)     @ javax.faces.component.uiinput.processdecodes(uiinput.java:676)     @ javax.faces.component.uiform.processdecodes(uiform.java:225)     @ javax.faces.component.uicomponentbase.processdecodes(uicomponentbase.java:1221)     @ javax.faces.component.uicomponentbase.processdecodes(uicomponentbase.java:1221)     @ javax.faces.component.uiviewroot.processdecodes(uiviewroot.java:929)     @ com.sun.faces.lifecycle.applyrequestvaluesphase.execute(applyrequestvaluesphase.java:78)     @ com.sun.faces.lifecycle.phase.dophase(phase.java:101)     @ com.sun.faces.lifecycle.lifecycleimpl.execute(lifecycleimpl.java:198)     @ javax.faces.webapp.facesservlet.service(facesservlet.java:646)     @ io.undertow.servlet.handlers.servlethandler.handlerequest(servlethandler.java:85)     @ io.undertow.servlet.handlers.security.servletsecurityrolehandler.handlerequest(servletsecurityrolehandler.java:61)     @ io.undertow.servlet.handlers.servletdispatchinghandler.handlerequest(servletdispatchinghandler.java:36)     @ org.wildfly.extension.undertow.security.securitycontextassociationhandler.handlerequest(securitycontextassociationhandler.java:78)     @ io.undertow.server.handlers.predicatehandler.handlerequest(predicatehandler.java:43)     @ io.undertow.servlet.handlers.security.sslinformationassociationhandler.handlerequest(sslinformationassociationhandler.java:131)     @ io.undertow.servlet.handlers.security.servletauthenticationcallhandler.handlerequest(servletauthenticationcallhandler.java:56)     @ io.undertow.server.handlers.predicatehandler.handlerequest(predicatehandler.java:43)     @ io.undertow.security.handlers.authenticationconstrainthandler.handlerequest(authenticationconstrainthandler.java:51)     @ io.undertow.security.handlers.abstractconfidentialityhandler.handlerequest(abstractconfidentialityhandler.java:45)     @ io.undertow.servlet.handlers.security.servletconfidentialityconstrainthandler.handlerequest(servletconfidentialityconstrainthandler.java:63)     @ io.undertow.servlet.handlers.security.servletsecurityconstrainthandler.handlerequest(servletsecurityconstrainthandler.java:56)     @ io.undertow.security.handlers.authenticationmechanismshandler.handlerequest(authenticationmechanismshandler.java:58)     @ io.undertow.servlet.handlers.security.cachedauthenticatedsessionhandler.handlerequest(cachedauthenticatedsessionhandler.java:70)     @ io.undertow.security.handlers.securityinitialhandler.handlerequest(securityinitialhandler.java:76)     @ io.undertow.server.handlers.predicatehandler.handlerequest(predicatehandler.java:43)     @ org.wildfly.extension.undertow.security.jacc.jacccontextidhandler.handlerequest(jacccontextidhandler.java:61)     @ io.undertow.server.handlers.predicatehandler.handlerequest(predicatehandler.java:43)     @ io.undertow.server.handlers.predicatehandler.handlerequest(predicatehandler.java:43)     @ io.undertow.servlet.handlers.servletinitialhandler.handlefirstrequest(servletinitialhandler.java:261)     @ io.undertow.servlet.handlers.servletinitialhandler.dispatchrequest(servletinitialhandler.java:247)     @ io.undertow.servlet.handlers.servletinitialhandler.access$000(servletinitialhandler.java:76)     @ io.undertow.servlet.handlers.servletinitialhandler$1.handlerequest(servletinitialhandler.java:166)     @ io.undertow.server.connectors.executeroothandler(connectors.java:197)     @ io.undertow.server.httpserverexchange$1.run(httpserverexchange.java:759)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1142)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:617)     @ java.lang.thread.run(thread.java:745)

how caused , how can solve it?

you forgot set form encoding type via enctype attribute. 

<h:form>

it defaults application/x-www-form-urlencoded insuitable sending binary data such binary files sent via <input type="file">. need set multipart/form-data per html specification when using <input type="file"> element (as generated jsf <h:inputfile>). here's cite of relevance html specification:

enctype = attribute specifies content type used submit form server (when value of method "post"). default value attribute "application/x-www-form-urlencoded". value "multipart/form-data" should used in combination input element, type="file".

thus, fix accordingly:

<h:form enctype="multipart/form-data">

see also:


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