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Problem with null TimeStamp in iReport 1.3.0


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I know I shouldn't be running into this problem so it's probably something I'm doing.


I have a query that has two fields: dateStart and dateEnd which are defined as TimeStamps. The report compiles and executes fine when run without these fields being placed.


When these fields are placed I get the following errors:


Error filling print... Unable to get value for field 'dateStart' of class 'java.sql.Timestamp'

net.sf.jasperreports.engine.JRException: Unable to get value for field 'dateStart' of class 'java.sql.Timestamp' at net.sf.jasperreports.engine.JRResultSetDataSource.getFieldValue(JRResultSetDataSource.java:314) at net.sf.jasperreports.engine.fill.JRFillDataset.setOldValues(JRFillDataset.java:799)



I have checked the field being placed and the properties -> Textfield tabs has the following populated:

Text Field Expression Class: java.sql.TimeStamp

Evaluation Time: Now Evaluation Group: ----

Text Field Expression:



The dateStart field is in the query and is showing up under data->report Query as a regular sql query. The dateStart is showing up in the list of field names contained within the query.

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The only solution/work-around I've found so far is to conditionally check if it's null and to cast the date field to a string field using the mysql (in my case) date functions.


It doesn't appear that date formatting is properly handled in JasperReports.


I would have expected to see something earlier regarding this issue so I'm going to assume it's a new one or unique to my platform albeit I'm not using anything out of the ordinary: MySql, JasperIntelligence, iReport.

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