Jasper Server 5.5, In applicationContext.xml config as below <bean id="fileVirtualizerFactory" class="com.jaspersoft.jasperserver.api.engine.common.service.impl.SharedVirtualizerStoreFactory"> <property name="maxSize" value="100"></property> <property name="storeFactory"> <bean class="net.sf.jasperreports.engine.util.SwapFileVirtualizerStoreFactory"> <property name="directory" value="D:/JSTemp"/> <property name="blockSize" value="4096"/> <property name="minGrowCount" value="64"/> </bean> </property></bean> After execute rest 2 webservice to generate a report and download the result, the swap files are not deleted as below. How to delete swap files automatically after download the result ?This problem persist on all OS espectialy linux because linux syste has a limitation for number of files.