HeLLo there, I m using i-Report. When in my main report using a subreport in detail band then getting error "java.io.StreamCorruptedException:ÂinvalidÂstreamÂheader". in my main report using title and summary band and in my sub report using column header, detail and summary band only.and paasing same parameter in both report with same name. any body help me to solve this error. Thanks..........