Download Snowflake Driver Jdbc

[Tuula Zeoli]

Before downloading or integrating the driver, you may want to first verify the version of the driver you are currently using. To verify your driver version, connect to Snowflake through a client applicationthat uses the driver and check the driver version. If the application supports executing SQL queries, you can do this by calling the CURRENT_CLIENT function.


Specify the correct version numbers for the JDBC driver package you are verifying. Version 3.14.4 is used in thisexample for illustration purposes only. The latest available version of the driver may be higher.



download snowflake driver jdbc

Download File https://t.co/yMMbHWTCu2






Where the tag specifies the version of the driver you wish to integrate. Note that version 3.14.4 is used in this example for illustration purposes only. The latest availableversion of the driver may be higher.


Snowflake provides a JDBC type 4 driver that supports core JDBC functionality. The JDBC driver must be installed in a64-bit environment and requires Java LTS (Long-Term Support) versions 1.8 or higher.


The driver can be used with most client tools/applications that support JDBC for connecting to a database server. sfsql, the now-deprecated command line client provided bySnowflake, is an example of a JDBC-based application.


I am trying to install Snowflake JDBC driver according to instructions.

I have downloaded and installed Java from here, then downloaded snowflake-jdbc-3.6.9.jar file from here. When I double-click the file, nothing happens. So I opened CMD and tried this:


I have gotten this far using suggestions from other StackOverflow topics, and don't know what else to try. I don't know much about Java, I just need to install this driver, so I could connect to Snowflake from a BI tool. I would really appreciate your help.






Have you tried adding the jar to classpath and then running the following command, Class.forName("provided driver name") in the calling class? Doing this with an IDE like Eclipse or Netbeans should make this process much simpler (particularly adding the jar to your project classpath)


My Snowflake systems architect informed me that I was using an outdated JDBC driver to connect to Snowflake via the Snowflake connector and that I needed to use version 3.13.33. I downloaded this and was able to update it and successfully connect to our Snowflake instance. The issue I have now is with the DB Query or DB Table Selector nodes now giving an error message. Execute failed: JDBC driver internal error: exception creating result java.lang.NoClassDefFoundError: Could not initialize class net.snowflake.client.jdbc.internal.apache.arrow.memory.RootAllocator at net.snowflake.client.jdbc.SnowflakeResultSetSerializableV1.create(SnowflakeResultSetSerializableV1.java:591).


Hello irfytw ,

this seems to be a compatibility problem with the Arrow part of the Snowflake driver and JDK17 which is used in KNIME Analytics Platform. For details see this Github issue.

To solve the problem you need to add the following parameter to the JDBC Parameter tab of the Snowflake Connector node JDBC_QUERY_RESULT_FORMAT with value JSON

image663509 8.35 KB

We will further investigate if we can do something on the KNIME site to fix this problem and will post here if we find another solution.

Bye

Tobias


Hello irfytw ,

just found out that only the latest driver seems to be affected with the problem. So instead of setting the parameter you could also use version 3.13.32 of the driver without changing anything in the node configuration.

I opened an issue in Github to inform the Snowflake developer about the problem.

Bye

Tobias


I want to do some "indirect / data virtualization" benchmarking against tpc-ds sf10 on Snowflake using SNOW's JDBC driver. Another data platform will actually be consuming the data via it's own SNOW JDBC driver, and the entire query is not going to get pushed down to SNOW from "Another". There is going to be a fair amount of data flowing from SNOW to Another, where final aggregation and some joining will occur:


Snowflake JDBC drivers are updated and released frequently, when you get a newer version of JDBC driver from Snowflake, you can replace the installed older version Snowflake JDBC driver in your installation environment using the snowflakejdbcupdate utility which is located in the BW_HOME/bw/palettes/snowflake//bin directory.


What are JDBC Drivers What is the JDBC URL Download the Snowflake JDBC Driver How to Connect using the DbSchema Snowflake What are JDBC Drivers? JDBC drivers are Java library files with the extension '.jar', used by Java applications to connect to the database. Usually they are provided by the same company which developed the database software. DbSchema is an Snowflake Client which already includes the Snowflake JDBC driver. DbSchema can configure the Snowflake JDBC URL and test the connectivity.


The URL is a string (text) with a specific format containing information about the host where the database is running, the port, username, database name, etc. The URL format is specific to each driver. Any wrong character in the URL may make the database connectivity fail. Therefore we recommend installing DbSchema and try to get connected, and you will find the JDBC URL in the connection dialog.


At this point, DbSchema already downloads the JDBC driver into this folders: C:\Users\YourUser\.DbSchema\drivers\Snowflake (Windows) or /Users/YourUser/.DbSchema/drivers/Snowflake (Linux and MacOS).


In the Connection Dialog, select the driver and the JDBC URL template. For databases using multiple possibilities to connect, may exists multiple templates. Choose if the database is running on the current machine or a different port. If is running on a different machine (remote), you need to find the host name. Hover the Host info label using the mouse to get instructions.


net.snowflake.client.jdbc.SnowflakeSQLException: JDBC driver encountered a communication error. Message: Exception encountered for HTTP request: Connect to xxx.region.snowflakecomputing.com:443 [XXX.region.snowflakecomputing.com/, XXX.region.snowflakecomputing.com/] failed: Read timed out.


This connector requires a driver to talk to the database. You might already have the required driver installed on your computer. If the driver is not installed on your computer, Tableau displays a message in the connection dialog box with a link to the Driver Download(Link opens in a new window) page where you can find driver links and installation instructions.


The first thing you need to do is adjust the connection settings of theSnowflake Connector node topoint it to your Snowflake account. To do so, double click the nodeto open itsconfiguration dialog.In the node dialog add your account information as describedin the Snowflake Connector nodesection below. Please notice that the domain .snowflakecomputing.comwill be appended automatically to the entered full account name.


In the configuration dialog of the Snowflake Connector node you need toprovide information such as account name, virtual warehouse, and theuser credentials. To open the configuration dialog, double-click thenode. For the full account name the domain .snowflakecomputing.com willbe appended automatically. Note that your full account name mightinclude additional segments that identify the region and cloud platformwhere your account is hosted e.g. xy12345.us-east-2.aws,xy12345.us-central1.gcp or xy12345.west-us-2.azure that need to beentered as well.


The KNIME Snowflake Integration comes with a built- in Snowflake driverand is thus ready to go. However because of some special circumstancesyou might be required to use a particular version of the driver whichyou can do by manually registering your own JDBC driver.


Clicking Add will open a new database driver window where you canprovide the JDBC driver path and all necessary information. In thedialog enter a unique identifier and name and make sure to selectsnowflake as database type. Once the database type is selected the URLtemplate is automatically generated to be compatible with the Snowflakedriver and usually does not need to be altered. Click Add file andbrowse for the downloaded driver jar file. Finally click Find driverclasses. Once satisfied, close the dialog by hitting OK.


To update the Aqua Data Studio JDBC driver for Snowflake you need to overwrite the Aqua Data Studio snowflake.jar file. Below is a listing of the Aqua Data Studio library directory [ADS_INSTALL]\lib\drivers\ ...


The Java class path for the drivers is already configured for ADS in the datastudio.ini for launching ADS with datastudio.exe and in datastudio.bat/.sh and datastudio-bundled.bat/.sh for launching Aqua Data Studio from the command line.


I know that there won't be a way for dynatrace to gain visibility into how our queries are performing on their systems, but as we are using their JDBC driver. I'd like to be able to identify how it's performing the same way we can monitor any other external call.


I ended up opening a support ticket on this, the issue here was that they just don't have support for the snowflake JDBC drivers at this time. They assure me it will be added, though not what the timeline for adding it will be.


Per Joel W. " I ended up opening a support ticket on this, the issue here was that they just don't have support for the snowflake JDBC drivers at this time. They assure me it will be added, though not what the timeline for adding it will be. "


I forget which version (either 205 or 207) the agent added basic support for the snowflake JDBC driver. For us, I'm now able to use the snowflow hostnames to separate the database calls into their respective environments; which was my primary concern when I opened this thread and the ticket.


Can you post your connection string? (Leave out the sensitive parts, obviously...)

What is your Snowflake account? Remember that the Snowflake "account" is everything preceding the ".snowflakecomputing.com" in your account URL. There should be both an account name and a region identifier - like "mySnowflakeAccount.us-east-1." for AWS East. Only Snowflake accounts based in the AWS US-West region will not have a region identifier included.

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