Cannot upgrade 6.1.0 to 6.1.2


(Sergei Dauletau) #1

We have elasticsearch 6.1.0 with custom default similarity.

Trying to upgrade from 6.1.0 to 6.1.2 and getting error when starting elasticsearch.

Caused by: java.lang.IllegalArgumentException: Unknown Similarity type [CustomSimilarityProvider] for [default]
	at org.elasticsearch.index.similarity.SimilarityService.<init>(SimilarityService.java:88) ~[elasticsearch-6.1.2.jar:6.1.2]
	at org.elasticsearch.cluster.metadata.MetaDataIndexUpgradeService.checkMappingsCompatibility(MetaDataIndexUpgradeService.java:139) ~[elasticsearch-6.1.2.jar:6.1.2]
	at org.elasticsearch.cluster.metadata.MetaDataIndexUpgradeService.upgradeIndexMetaData(MetaDataIndexUpgradeService.java:94) ~[elasticsearch-6.1.2.jar:6.1.2]

It looks, like the exception is from this code.

Should the check be

if ((similarities.containsKey(typeName) == false || BUILT_IN.containsKey(typeName)) == false)


(Ivan Brusic) #2

I think this might be fixed in 6.2:


(system) #3

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