# \#invalid-query

**URL:** https://forum.liquibase.org/tag/invalid-query/98.md

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## [OperationTimedOutException when connecting to cassandra](https://forum.liquibase.org/t/operationtimedoutexception-when-connecting-to-cassandra/7428)

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**Author:** [@santoshtrip](https://forum.liquibase.org/u/santoshtrip)\
**Replies:** 3\
**Last updated:** [October 20, 2022, 7:09pm UTC](https://forum.liquibase.org/t/operationtimedoutexception-when-connecting-to-cassandra/7428 "2022-10-20T19:09:18Z")

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I am getting the following exception when using liquibase-cassandra. by: java.sql.SQLException: \[Simba\]\[CassandraJDBCDriver\](500211) ERROR Invalid query: TRUNCATE demo.DATABASECHANGELOGLOCK, Cause: com.simba.cassandra.s…