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
…required to permit authorized access to stage file resources from within the secure execution sandbox.
Reading files with a Java stored procedure
You can read the contents of a file with handler code. The file must be on a Snowflake stage that’s available to your handler. For example, you might want to read a file to process unstructured data in the handler.
Python and Java support for serverless tasks
Serverless tasks can invoke the following object types and functions: user - defined functions (UDFs) and stored procedures written in Python, Java, and Scala. You can use Python or Java in your tasks in a few different ways.
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…
Creating a Java UDF handler
When you write a Java UDF, you write Java code for Snowflake to execute as UDF logic. This Java code is the UDF’s handler. You deploy the UDF with CREATE FUNCTION, giving the UDF a name and specifying the Java method as the handler to…
Introduction to Java UDFs
You can write the handler for a user - defined function (UDF) in Java.
Creating a Session for Snowpark Java
To use Snowpark in your application, you need to create a session. For convenience in writing code, you can also import the names of packages and objects.
Logging messages in Java
You can log messages from a function or procedure handler written in Java by using the SLF4J API. When you’ve set up an event table to store log entries, Snowflake stores log entries generated by your handler code in the table.
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…