Hi i Have Attached a documents to the file. it is successfully uploaded.

and while trying to delete the file it is not deleting it is giving the error like this.

2018-03-01 04:55:46,381 ERROR [nuxeo-error-log] javax.servlet.ServletException: java.lang.ClassCastException

at   org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:187)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 

2018-03-01 04:55:46,385 ERROR [nuxeo-error-log] Request Attributes:

javax.servlet.forward.request_uri : /ewall/api/v1/automation/Blob.RemoveFromDocument javax.servlet.forward.context_path : /ewall javax.servlet.forward.servlet_path : /api javax.servlet.forward.path_info : /v1/automation/Blob.RemoveFromDocument javax.servlet.forward.mapping : org.apache.catalina.core.ApplicationMapping$MappingImpl@348cb10c NuxeoExceptionHandlerMarker : true

Please help me to solve the issue.