Petals SE POJO

When undeploying an SU deployed on SE POJO, the exception below is raised [Petals.JBI-Management.DeploymentServiceImpl]-SEVERE 2010-07-28 15:56:19,716 The service assembly 'sa-safirServices' can not be removed from repository java.io.IOException: Unable to delete file: E:\soft\petals-platform-3.0.5\reposi tory\service-assemblies\sa-safirServices-07-28-2010-035557403\install\su-POJO-Ec itizPetalsWS-provide\ecitizpetalssafir.jar at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:1390) at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1044) at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:977) at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:1381) at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1044) at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:977) at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:1381) at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1044) at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:977) at org.ow2.petals.system.repository.RepositoryServiceImpl.removePackage(