java ee - Error after deploying to hosting -

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i'm using eclipse ide. i'm using jboss. project java ee. chose dynamic web project when creating project. project runs on local. didn't use maven on project. exported project root.war file. created application jboss on openshift , clone it. put root.war file in subfolder /deployments. using git

git commit -a -m 'message' git push

root.war deployed. few .xhtml files runs (that static xhtml files). files use cdi error:

javax.el.propertynotfoundexception: /tailieu/danhmuc.xhtml @13,53 value="#{docucat.cat}": target unreachable, identifier 'docucat' resolved null

can guess reasons cause error. check?


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