[SOLR-10319] SolrCore "instanceDir" metric not visible in JMX

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 6.5, 7.0
• Fix Version/s: 6.5, 7.0
• Component/s: metrics
• Assignee: Andrzej Bialecki
• Reporter: Andrzej Bialecki
• Created: 20/Mar/17 11:09
• Updated: 08/Jun/19 15:30
• Resolved: 20/Mar/17 19:07

Description

This metric exposes SolrResourceLoader.getInstancePath() as a gauge but java.nio.Path is not one of the OpenType allowed classes, and it shows up as "Unavailable" in JConsole.

The fix is to simply convert it toString.