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https://issues.apache.org/jira/browse/MUSE-265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Twiner resolved MUSE-265.
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Resolution: Fixed
in head
> Serialization of array via SimpleNotificationProducer sends only the last
> element in the array
> ----------------------------------------------------------------------------------------------
>
> Key: MUSE-265
> URL: https://issues.apache.org/jira/browse/MUSE-265
> Project: Muse
> Issue Type: Bug
> Components: WSN NotificationProducer
> Affects Versions: 2.2.0
> Reporter: Bogdan Solomon
> Assignee: Chris Twiner
> Priority: Minor
> Fix For: 2.2.1
>
>
> The problem is the way the NotificationMessage stores the elements.
> The SimpleNotificationProducer publish array method does the following for
> arrays, where content is the array (of either XmlSerializable or Elements):
> NotificationMessage message = createNotificationMessage();
>
> for (int n = 0; n < content.length; ++n)
> message.addMessageContent(content[n]);
> and in SimpleNotificationMessage
> the addMessageContent does the following:
> if (content == null)
> throw new NullPointerException(_MESSAGES.get("NullMessageContent"));
> QName name = XmlUtils.getElementQName(content);
> _messageContent.put(name, content);
> but _messageContent is a LinkedHashMap, and from what the Java specification
> says adding multiple instances with the same key overwrites the values. So
> only the last one will be preserved. If all the Array elements have the same
> QName (which they should as they pass through the same serializer) then only
> the last is stored.
> I have solved the issue for the moment by wrapping the Elements that
> represent the array in another top level element that gets published.
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