Source
Analyzing queries and troubleshooting with Snowpark Java
This is because Snowpark uses the Apache Arrow connector, which depends on internal Java APIs that are not exposed by default after Java 9. To work around this error, set the following parameter either as a command - line argument when…
Exception 'java.net.UnknownHostException' when connecting to scoped stage file URLs within Snowpark Java functions
CAUSE: Snowpark (Java, Scala, Python, etc.) functions execute in secure sandboxes over the Snowflake virtual warehouses and are not permitted to make any network related syscalls, including DNS resolution.
JDBC driver with -Dhttp.nonProxyHosts=* set throws java.lang.StringIndexOutOfBoundsException: begin 1, end 0, length 1
ISSUE: When using the JDBC driver's diagnostics feature (i.e., ENABLE_DIAGNOSTICS=TRUE)1, if the -Dhttp.nonProxyHosts=* JVM argument is set, the following exception can occur on some Java versions: java.lang.RuntimeException: java.lang.St…
Java UDF handler examples
The following statements create and call an in - line Java UDF. This code returns the VARCHAR passed to it. This function is declared with the optional CALLED ON NULL INPUT clause to indicate that the function is called even if the value of…
Introduction to Java UDFs
You can write the handler for a user - defined function (UDF) in Java.