# Package edu.ucsb.nceas.metacat.admin.upgrade.solr

- Class Summary
  Class | Description
  --- | ---
  SolrConfigUpgrader | This class represents an object to upgrade the solrconfig.xml on the Metacat upgrade process.
  SolrSchemaUpgrader | This class will overwrite the existing schema under the /solr-home/conf/schema.xml Here is the algorithm: 1.

- Exception Summary
  Exception | Description
  --- | ---
  SolrSchemaModificationException | An exception happens when an administrator modified a the schema.xml in the solr home.

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