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via Stack Overflow by verhage
, 1 year ago
java.lang.NullPointerException: 	at com.test.FileUploadResource.newResourceResponse(	at org.apache.wicket.request.resource.AbstractResource.respond(	at org.apache.wicket.request.handler.resource.ResourceRequestHandler.respond(	at org.apache.wicket.request.handler.resource.ResourceReferenceRequestHandler.respond(