#Tip1
Some times while u making jasper report , Some times your jasper report (YOUR_REPORT_NAME.jrxml file) may be not able to open and some times it may give error like "premature file ..........." . If so then look at your
YOUR_REPORT_NAME.jrxml file where you have saved , mostly it size will be 0 Kb , That means it has no data , You have lost your report that you made .
So now you have to recover your report ,
Check folder that your report saved ,whether there is YOUR_REPORT_NAME.jasper file . If so there is easy way to recover your report . This is the way
Open your iReport software FILE > OPEN then go inside to your report saved folder , Then change FILES OF TYPE to ALL TYPES .Then you will able to see YOUR_REPORT_NAME.jasper file and select it open it .
After selecting it there will be pop up window asking whether to convert YOUR_REPORT_NAME.jasper to .jrxml file .

But personally I advice you to take backups of you reports . Then you will able to reduce damage due to sudden lost of your .jrxml file .
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