Empty RowHeader in JasperReport compiled report

[jon007_cool]

I've designed a report using iReport 5.5.1. Now I am getting the .jrxml of the report in inputstream and than convert it into string to change cross tab field based on user selection (using .replace function). Than put the string in Stream and compiling the report and than filling it and finally exporting the report as PDF. (refer file 1)

When I compile this file through the JasperReport library, Row header are missing (Which I replaced dynamically), but if I save the updated stream as .jrxml file and compile it in iReport than it works fine. I am able to see the RowHeaders.

I am using JasperReports 5.5.1 version with oracle ADF.

Please refer to attached screen shot and file.