[jira] (FLINK-5687) Missing null check for return value from listFiles() in JarListHandler

[Ted Yu (JIRA)]

Title: Message Title

Ted Yu created an issue   Flink / FLINK-5687 Missing null check for return value from listFiles() in JarListHandler Issue Type: Bug Assignee: Unassigned Created: 30/Jan/17 17:04 Priority: Minor Reporter: Ted Yu Here is related code: File[] list = jarDir.listFiles(new FilenameFilter() { @Override public boolean accept(File dir, String name) { return name.endsWith(".jar"); } }); for (File f : list) { Return value from listFiles() may be null. Common practice is to check before iterating over the Files: if (files == null) { LOG.warn("Failed to get files from " + ... Add Comment   This message was sent by Atlassian JIRA (v6.3.15#6346-sha1:dbc023d)