Add a server and specify the JasperReports Server URL using the following format:
http(s)://<host name>:<port number>/ReportingandDashboardsService/services/repository
After you specify the database user credentials and save the details, you can use this server configuration to connect to the Jaspersoft repository.
To run Jaspersoft iReport Designer, you must set the JAVA_HOME environment variable to the Java installation directory. You can use the Java installation available with the Informatica client.
You can set the JAVA_HOME environment variable to the following location:
<Informatica client installation location>\clients\java)
If you use a separate Java installation, ensure that you use Java 1.7.