Coverity, Dereference null return value (PeriodicRotatingFileAuditEndpoint) --------------------------------------------------------------------------- Key: ELY-1263 URL: https://issues.jboss.org/browse/ELY-1263 Project: WildFly Elytron Issue Type: Bug Reporter: Martin Choma Assignee: Yeray Borges Coverity found potential dereference of null object , because {{file.getParentFile()}} can return null in some circumstances. {code:java|title=PeriodicRotatingFileAuditEndpoint.java} @Override protected void preWrite(Instant instant) { final long recordMillis = instant.toEpochMilli(); if (recordMillis >= nextRollover) { try { final File file = getFile(); if (file == null) { // no file is set; a direct output stream or writer was specified return; } closeStreams(); // close the original file (some OSes won't let you move/rename a file that is open) final Path target = file.getParentFile().toPath().resolve(file.getName() + nextSuffix); Files.move(file.toPath(), target, StandardCopyOption.REPLACE_EXISTING); setFile(file); } catch (IOException e) { audit.unableToRotateLogFile(e); } calcNextRollover(recordMillis); } } {code} https://scan7.coverity.com/reports.htm#v23632/p11778/fileInstanceId=25046...