Hi, i,m installed jasperserver ce 6.3 on linux and imported icinga-reports 1.10. And ı've changed the language to java from groovy use IReport(5.6). when i click activity reports from repostory when the hostname and time checkbox windows appears but I encountered the error like this: Help me please. Errors were encountered when compiling report expressions class file: 1. Only a type can be imported. org.icinga.reporting.DateHelper resolves to a package import org.icinga.reporting.DateHelper; <-----------------------------> 2. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 3. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 4. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 5. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 6. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 7. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 8. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 9. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 10. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 11. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 12. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 13. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 14. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 15. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 16. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthStart() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearStart() : ((java.sql.Timestamp)parameter_p_date_start.getValue()); //$JR_EXPR_ID=4$ <--------> 17. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 18. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 19. DateHelper cannot be resolved value = ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_week" ? DateHelper.getLastWeekEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_month" ? DateHelper.getLastMonthEnd() : ((java.lang.String)parameter_p_timeperiod.getValue()) == "last_year" ? DateHelper.getLastYearEnd() : ((java.sql.Timestamp)parameter_p_date_end.getValue()); //$JR_EXPR_ID=5$ <--------> 19 errors .