绕过grails视图解析器? [英] Bypassing grails view resolvers?
问题描述
我试图在grails应用程序中构建一个portlet,并且创建了一个简单的控制器来扩展 AbstractController
,它返回
来自
。我还为 handleRequestInternal
的新ModelAndView('myportlet') / WEB-INF / jsp
设置了标准的 Jstl视图解析器
设置,但无论我尝试什么,我尝试在liferay中查看portlet我得到以下stacktrace:
13:19:39,723错误[DispatcherPortlet:559]可能不完整的申请
java.lang.ClassCastException:org.springframework.web.portlet.context.PortletRequestAttributes不能在组织强制转换为org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest
。 codehaus.groovy.grails.web.util.WebUtils.retrieveGrailsWebRequest(WebUtils.java:497)
在org.codehaus.groovy.grails.web.servlet.view.GrailsViewResolver.loadView(GrailsViewResolver.java:87)
。在org.codehaus.groovy.grails.scaffolding.view.ScaffoldingViewResolver.loadView(ScaffoldingViewResolver.java:61)
在org.springframework.web.servlet.view.AbstractCachingViewResolver.createView(AbstractCachingViewResolver.java:158 )$ or $
在org.springframework.web.servlet.view.UrlBasedViewResolver .createView(UrlBasedViewResolver.java:384)
在org.springframework.web.servlet.view.AbstractCachingViewResolver.resolveViewName(AbstractCachingViewResolver.java:77)
在org.springframework.web.portlet.DispatcherPortlet.resolveViewName (DispatcherPortlet.java:1110)
看来如果我可以绕过 GrailsViewResolver
,我应该能够像我在普通的Spring应用程序中那样运行我的portlet。
我使用liferay 6,所以Grails liferay插件不是一个选项。有什么我可以做的,以确保GrailsViewResolver不会尝试解决我的观点 / WEB-INF / jsp
?
I'm trying to build a portlet within a grails application, and I've created a simple controller extending AbstractController
which returns
new ModelAndView('myportlet')
from handleRequestInternal
. I also have a standard Jstl view resolver
setup for /WEB-INF/jsp
but no matter what I try, when I try to view the portlet within liferay I get the following stacktrace:
13:19:39,723 ERROR [DispatcherPortlet:559] Could not complete request
java.lang.ClassCastException: org.springframework.web.portlet.context.PortletRequestAttributes cannot be cast to org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest
at org.codehaus.groovy.grails.web.util.WebUtils.retrieveGrailsWebRequest(WebUtils.java:497)
at org.codehaus.groovy.grails.web.servlet.view.GrailsViewResolver.loadView(GrailsViewResolver.java:87)
at org.codehaus.groovy.grails.scaffolding.view.ScaffoldingViewResolver.loadView(ScaffoldingViewResolver.java:61)
at org.springframework.web.servlet.view.AbstractCachingViewResolver.createView(AbstractCachingViewResolver.java:158)
at org.springframework.web.servlet.view.UrlBasedViewResolver.createView(UrlBasedViewResolver.java:384)
at org.springframework.web.servlet.view.AbstractCachingViewResolver.resolveViewName(AbstractCachingViewResolver.java:77)
at org.springframework.web.portlet.DispatcherPortlet.resolveViewName(DispatcherPortlet.java:1110)
It seems that if I could get around the GrailsViewResolver
, I should be able to get my portlet up and running as I would in a normal spring application.
I'm using liferay 6, so the grails liferay plugin isn't an option. Is there anything I can do to make sure GrailsViewResolver doesn't try to resolve my view in /WEB-INF/jsp
?
If you're using Grails, use it 100% and don't try to mix wildly different technologies. It'll save you pain in the long run.
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