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Sync Service Admin FAQs

Here's a list of common questions about administering Sync Service.

Does Sync Service support Alfresco Records Management?

No, this version of Sync Service doesn't support Alfresco Records Management.

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Does Sync Service support Smart Folders?

No, this version of Sync Service doesn't support Smart Folders.

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What tools can I use to validate the relative states of the MQ/Sync Service/Desktop Sync data/Alfresco data and the existing sync sets?

To bring the Sync Service and Alfresco Content Services repository in sync, see Backing up and restoring Sync Service. Currently, there are no tools that can validate this.

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What is the starting order of Sync Service?

The sequence in which different Sync Service components should be started is:
  1. Postgres
  2. ActiveMQ
  3. Alfresco Content Services repository (Share)
  4. Sync Service

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In the event of a conflict, how do I resolve it?

The conflict resolution matrix describes how Desktop Sync handles sync conflicts.

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What authentication does Sync Service support?

Sync Service supports basic authentication. SAML SSO is currently not supported.

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How can I monitor ActiveMQ?

Access the ActiveMQ Web Console using http://<servername>:8161/admin/queues.jsp.
Make sure that the:
  • name of the subscriber corresponds to the Sync Service ID.
  • total number of Messages Enqueued is same as Messages Dequeued.

For detailed information, see How can I monitor ActiveMQ?

For information on ActiveMQ logging, see How do I change the logging.

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How can I monitor Desktop Sync and the Sync Service?

To monitor Desktop Sync, see Configuring Desktop Sync (for Windows), or Configuring Desktop Sync (for Mac). For Sync Service, see Sync Service health check.

To get detailed logging information on Sync Service, change the logging level in the config.yml file as shown below:
logging:
 level: DEBUG
loggers:
   "org.alfresco.service.common.auth": DEBUG
   "org.apache.activemq": DEBUG
   "com.sun.jersey.api.container.filter.LoggingFilter": WARN
   "org.alfresco.service": DEBUG
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Why does the Desktop Sync client connect for content selection then immediately go offline?

If the Desktop Sync client connects to Alfresco Content Services to start content selection then immediately goes offline, folders may already have been created, but no files have been synced; check the following:

  • The Sync Service is running
  • The Sync Service is accessible from the client - you can use the Healthcheck URL in the clients browser
  • The global properties file is correctly set up - see Installing Sync Service

For example, if the Sync Service port is not open on the firewall, then the client won't be able to connect to the Desktop Sync service, or the Healthcheck URL. The port is set when Installing Sync Service, where the default is 9090.

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What can I check if content can't be added to or updated in Alfresco Content Services via Alfresco Share or another application?

To fix this issue, check if ActiveMQ is running and available to the repository. See Prerequisites and supported platforms for more. A feature of the Sync Service is to provide resilience of the service, and ensuring that no critical event information is lost.

The recommendation is to run an ActiveMQ cluster to ensure high availability.

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Why has sync stopped working since upgrading the client operating system (for example to Mac OS X to Sierra High)?

If SSL has been enabled on the Sync Service without provision for a signed certificate, then the clients may fail to sync content. The log files contain a message "SSL peer certificate or SSH remote key was not OK". Install the Sync Service with a valid security certificate or disable SSL for the synchronization server if required.

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What tools can I use if either the desktop or Alfresco Content Services needs to restored from a backup?

See Backing up and restoring Desktop Sync.

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