JBossDeveloper

That are not funny characters, that is your report (try to save as pdf and open it)

Using h:commandButton worked, quite normal, is it ? :)
Check how a4j action is rendered and check how normal post is rendered :)

Thanks Tasneem. h:commandButton Works.

This is how I've got .ear after some changes to run JasperReports (3.6.0) with Seam (2.2.0):

.ear
-- lib
---- groovy-all-1.5.5.jar
---- jasperreports-3.6.0.jar (with Maven, exclude xml-apis.jar)
-- .jar
---- ReportTest.jasper
---- action (java source)
-- .war

My action access the resource like said above:

JasperPrint jasperPrint = JasperFillManager.fillReport(this.getClass().getResourceAsStream("/ReportTest.jasper"), parametros, new JREmptyDataSource());

Excuse me,

now, with formatation:

.ear 
-- lib 
---- groovy-all-1.5.5.jar 
---- jasperreports-3.6.0.jar (with Maven, exclude xml-apis.jar) 
-- .jar 
---- ReportTest.jasper 
---- action (java source) 
-- .war

Thank you so much Giovanni for your instructions. I've followed them and now I can print a report without errors passing parameters and using a JDBC connection to MySql.

But now my problem: I'm trying to use the hibernate connection to receive the data and in order to do this I created the entityManager (as in your example) and I passed to the fillReport method a new JREmptyDataSource() as a connection, but when the PDF file is printed the fields are filled with null. Probably I've made some mistakes in the report itself (I'm using iReport) because I kept the same field, with the same name I used for the ODBC connection.
Are there any issues I should know to manage the field in case of hibernate connection?

Thanki you so much in advance
Nicoletta

Hi guys,
after i run report i've got this
Document root element jasperReport, must match DOCTYPE root null
am i missing sth ?