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https://issues.apache.org/jira/browse/ARTEMIS-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15452294#comment-15452294
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ASF subversion and git services commented on ARTEMIS-709:
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Commit d5eaccf3ba8088c9308837a2e4173320d366038c in activemq-artemis's branch
refs/heads/master from [~mstyk]
[ https://git-wip-us.apache.org/repos/asf?p=activemq-artemis.git;h=d5eaccf ]
ARTEMIS-709 Possible NPE on UUIDGenerator.getAllNetworkInterfaces()
> Possible NPE on UUIDGenerator.getAllNetworkInterfaces()
> -------------------------------------------------------
>
> Key: ARTEMIS-709
> URL: https://issues.apache.org/jira/browse/ARTEMIS-709
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 1.4.0
> Reporter: Martin Styk
> Priority: Minor
>
> There is possibility of NPE on class {{UUIDGenerator}} in method
> {{getAllNetworkInterfaces()}}.
> {code:java}
> private static List<NetworkInterface> getAllNetworkInterfaces() {
> Enumeration<NetworkInterface> networkInterfaces;
> try {
> networkInterfaces = NetworkInterface.getNetworkInterfaces();
> List<NetworkInterface> ifaces = new ArrayList<>();
> while (networkInterfaces.hasMoreElements()) {
> ifaces.add(networkInterfaces.nextElement());
> }
> return ifaces;
> }
> catch (SocketException e) {
> return Collections.emptyList();
> }
> }
> {code}
> In case there are none network interfaces found on machine, method
> {{NetworkInterface.getNetworkInterfaces()}} returns {{null}} which can cause
> NPE in while cycle condition.
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