org.apache.catalina.connector.RequestFacade cannot be cast to org.springframework.web.multipart.Mult
2016-09-30 14:13
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Java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade
cannot be cast to org.springframework.web.multipart.MultipartHttpServletRequest
在用springMvc做上传文件的时候报这个错误,在网上查了一天,总结一下大致有几种情况:
一: jsp页面的表单没有设置 enctype="multipart/form-data"。
此处有个重点:一定要是method="post",如果没有定义请求方式,也一定会转化出错!!!
[html] view
plain copy
<form action="" method="post" enctype="multipart/form-data">
二:springMvc中没有配置文件上传:
[html] view
plain copy
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- set the max upload size100MB -->
<property name="maxUploadSize">
<value>104857600</value>
</property>
<property name="maxInMemorySize">
<value>4096</value>
</property>
<property name="defaultEncoding">
<value>utf-8</value>
</property>
</bean>
三:必要的jar包没有导入。
四:如果你上边的都没有问题,那么就是你只用了一个浏览器在测试,要清除缓存!!对,没有错,缓存!!
这是小弟查百度总结的东西,希望对各位程序猿有帮助。
cannot be cast to org.springframework.web.multipart.MultipartHttpServletRequest
在用springMvc做上传文件的时候报这个错误,在网上查了一天,总结一下大致有几种情况:
一: jsp页面的表单没有设置 enctype="multipart/form-data"。
此处有个重点:一定要是method="post",如果没有定义请求方式,也一定会转化出错!!!
[html] view
plain copy
<form action="" method="post" enctype="multipart/form-data">
二:springMvc中没有配置文件上传:
[html] view
plain copy
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- set the max upload size100MB -->
<property name="maxUploadSize">
<value>104857600</value>
</property>
<property name="maxInMemorySize">
<value>4096</value>
</property>
<property name="defaultEncoding">
<value>utf-8</value>
</property>
</bean>
三:必要的jar包没有导入。
四:如果你上边的都没有问题,那么就是你只用了一个浏览器在测试,要清除缓存!!对,没有错,缓存!!
这是小弟查百度总结的东西,希望对各位程序猿有帮助。
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