Environment
Symptoms
- Upgrading from 6.x to 7.4.0
- Get the following error while running /usr/share/cb/cbupgrade
SOLR 6 UPGRADE
--------------------------------------------------------------------------------
Scanning for legacy (Solr 4.x) cores that need to first be upgraded to Solr 5.x
Checking index folder for legacy cores: /var/cb/data/solr5/cbalerts/data/index
Empty Solr core detected, rewriting index.
Exception in thread "main" java.lang.NoClassDefFoundError: Could not initialize class org.apache.lucene.codecs.Codec$Holder
at org.apache.lucene.codecs.Codec.getDefault(Codec.java:140)
at org.apache.lucene.index.LiveIndexWriterConfig.<init>(LiveIndexWriterConfig.java:120)
at org.apache.lucene.index.IndexWriterConfig.<init>(IndexWriterConfig.java:140)
at com.carbonblack.cbfs.solr.upgrade.CbSolrUpgrader.run(CbSolrUpgrader.kt:52)
at com.github.ajalt.clikt.parsers.Parser.parse(Parser.kt:170)
at com.github.ajalt.clikt.parsers.Parser.parse(Parser.kt:16)
at com.github.ajalt.clikt.core.CliktCommand.parse(CliktCommand.kt:258)
at com.github.ajalt.clikt.core.CliktCommand.parse$default(CliktCommand.kt:255)
at com.github.ajalt.clikt.core.CliktCommand.main(CliktCommand.kt:273)
at com.github.ajalt.clikt.core.CliktCommand.main(CliktCommand.kt:298)
at com.carbonblack.cbfs.solr.upgrade.CbSolrUpgraderKt.main(CbSolrUpgrader.kt:80)
Unexpected error while upgrading solr cores.
Cause
Resolution
1. Download the updated jar file from https://sflinks.carbonblack.com/7UeZLBV1pCQ/ 2. Backup /usr/share/cb/datastore/solr-index-upgrader/solr-index-upgrader-7.4.0.jar
mv /usr/share/cb/datastore/solr-index-upgrader/solr-index-upgrader-7.4.0.jar /usr/share/cb/datastore/solr-index-upgrader/solr-index-upgrader-7.4.0.jar.bak
3. Place the downloaded jar file in /usr/share/cb/datastore/solr-index-upgrader/
4. Run
/usr/share/cb/cbupgrade
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