Please help me to install perfectly 7.2.1 BUILD FAILED /opt/jasperreports-server-7.2.1-bin/buildomatic/build.xml:58: The following error occurred while executing this line: /opt/jasperreports-server-7.2.1-bin/buildomatic/bin/setup.xml:318: Keystore may have been tempered with. I have these keys : .jrsks and .jrsksp. These files are alreadylocated in home directory, now guide me the next process .