Crystal report for java

I am using  crystal reports java reporting component.

i want to set a date ,so i do like this  reportClientDoc.getDataDefController().getRecordFilterController().setFormulaText("{facture.datbon} = '12/12/2015'");but i get this error com.crystaldecisions.sdk.occa.report.lib.ReportSDKException: InternalFormatterException---- Error code:-2147467259 Error code name:failed.

Please help me .