[SOLR-11529] Properties from configoverlay.json are not working in dataimporter config

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 7.1
• Component/s: contrib - DataImportHandler
• Assignee: Unassigned
• Reporter: Shawn Heisey
• Created: 23/Oct/17 16:07
• Updated: 29/Aug/20 20:05
• Resolved: 29/Aug/20 20:05

Description

Properties set in the config overlay (configoverlay.json) are not working in the dataimport config, but they DO work in solrconfig.xml.

A user in IRC reported the issue, and I duplicated it. I set up a cloud example, then adjusted the config and jars so that it would allow setting up a DIH handler. I did not add any JDBC driver jars.

One of the properties added with the config API was "solr.db.driver" with a value of "com.mysql.jdbc.Driver". I modified the LTR transformer already in the config to use ${solr.db.driver} for the class. That resulted in an error message, and the error said that it couldn't load com.mysql.jdbc.Driver ... so I knew that the property substitution had worked.

Then I tried to use the same property inside the dih-config.xml file referenced by the DIH handler. This also failed, but didn't mention the mysql driver class. So I modified the class to ${solr.db.driver}.foo, which resulted in the following error:

Full Import failed:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load driver: .foo Processing Document # 1

This tells me that the properties were not loaded when DIH parsed its config.

Issue Links

• is superceded by: SOLR-14783 Remove DIH from 9.0