A customer reported an issue when attempting to install the xMatters integration agent. After installation, the integration would not start, returning the following error:

"Caused by: org.dom4j.DocumentException: Error on line 15 of document : cvc-elt.1: Cannot find the declaration of element 'deduplicator'. Nested exception: cvc-elt.1: Cannot find the declaration of element 'deduplicator'."

This issue is caused by a missing declaration within the deduplicator-filter.xml file.

Solution

1. To address this issue, open the deduplicator-filter.xml file in a text editor, and locate the following parameter:

<deduplicator>

2. Change the parameter to the following:

<deduplicator xmlns="http://www.alarmpoint.com/schema">

3. Save and close the file.
4. Restart the integration agent.

xMatters internal reference: DTN-4217