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How to resolve, net.snowflake.client.jdbc.SnowflakeSQLException: !394300!

By Staff Expert WriterTechnical

Last updated: October 29, 2025

How to resolve, net.snowflake.client.jdbc.SnowflakeSQLException: !394300!

<p>How to resolve, net.snowflake.client.jdbc.SnowflakeSQLException: !394300!</p>

<p>Just like any other system Snowflake has its fair share of seemingly random cryptic error messages like this one, net.snowflake.client.jdbc.SnowflakeSQLException: !394300!</p> <p>This basically means that the user (login) is not found or not matching to what you have entered in your configuration or properties.</p> <p>But no worries, first of all let DLH.io do all the Snowflake heavy lifting for you by just using our dozens of pre-built and well-maintained connectors.</p> <p>Secondly, this error most often rears its head when using the more advanced public and private key pair for authorization. </p> <p>Be sure to rotate your keys every 90 or so days to align with good SOC compliance and other standards.</p> <p>Be sure to checkout how DLH.io saves you time and decreases your costs by using the platform built for the modern business data operations stack.</p>

Staff Expert Writer

Staff Expert Writer

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