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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

mattmunz
by New Contributor III
  • 24742 Views
  • 6 replies
  • 0 kudos

How can I resolve this SSL error which occurrs when calling databricks-sql-connector/databricks.sql.connect() from my python app?

Error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:997)>  python --versionPython 3.10.4This error seems to be coming from the thrift backend. I suspect but have not confirmed that t...

  • 24742 Views
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Latest Reply
Hardy_M
New Contributor II
  • 0 kudos

You can set up an SSL context that skips certificate verification with the following command:import ssl ssl._create_default_https_context = ssl._create_unverified_contextI have followed some steps from this source.

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Hardy
by New Contributor III
  • 7739 Views
  • 5 replies
  • 6 kudos

The driver could not establish a secure connection to SQL Server by using Secure Sockets Layer (SSL) encryption

I am trying to connect to SQL through JDBC from databricks notebook. (Below is my notebook command)val df = spark.read.jdbc(jdbcUrl, "[MyTableName]", connectionProperties) println(df.schema)When I execute this command, with DBR 10.4 LTS it works fin...

  • 7739 Views
  • 5 replies
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DBXC
Contributor
  • 6 kudos

Try to add the following parameters to your SQL connection string. It fixed my problem for 13.X and 12.X;trustServerCertificate=true;hostNameInCertificate=*.database.windows.net; 

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andr3s
by New Contributor II
  • 34219 Views
  • 3 replies
  • 2 kudos

SSL_connect: certificate verify failed with Power BI

Hi, I'm getting this error with Power BI:Any ideas?Thanks in advance,Andres

Screenshot 2023-05-19 154328
  • 34219 Views
  • 3 replies
  • 2 kudos
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andr3s
New Contributor II
  • 2 kudos

Hi Harrison, thanks for the reply. We have sorted the issue a few days later but forgot to reply to your answer. There had been some changes on the security set-up that affected our connectivity to Databricks from all clients.

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Jayanth746
by New Contributor III
  • 17627 Views
  • 9 replies
  • 4 kudos

Kafka unable to read client.keystore.jks.

Below is the error we have received when trying to read the stream Caused by: kafkashaded.org.apache.kafka.common.KafkaException: Failed to load SSL keystore /dbfs/FileStore/Certs/client.keystore.jksCaused by: java.nio.file.NoSuchFileException: /dbfs...

  • 17627 Views
  • 9 replies
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mwoods
New Contributor III
  • 4 kudos

Ok, scrub that - the problem in my case was that I was using the 14.0 databricks runtime, which appears to have a bug relating to abfss paths here. Switching back to the 13.3 LTS release resolved it for me. So if you're in the same boat finding abfss...

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Rexton
by New Contributor
  • 5613 Views
  • 3 replies
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AWS Databricks Pyspark - Unable to connect to Azure MySQL - Shows "SSL Connection is required"

Even after specifying SSL options, unable to connect to MySQL. What could have gone wrong? Could anyone experience similar issues? df_target_master = spark.read.format("jdbc")\.option("driver", "com.mysql.jdbc.Driver")\.option("url", host_url)\.optio...

  • 5613 Views
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a2barbosa
New Contributor II
  • 2 kudos

Hey,Here the solution: The correct option for ssl is "useSSL" and not just "ssl".This code below could works:df_target_master = spark.read.format("jdbc")\.option("driver", "com.mysql.jdbc.Driver")\.option("url", host_url)\.option("dbtable", supply_ma...

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SteveGPT
by New Contributor III
  • 4243 Views
  • 3 replies
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How to by pass SSL cert verification, using Repos with Azure Devops

Hi all, after some time working with Devops and Repos and getting used to the convenience our SSL Cert situation got jacked up somehow. While not ideal, I'd like to be able to temporarily bypass cert verification. There are ways to do this in the she...

  • 4243 Views
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SteveGPT
New Contributor III
  • 3 kudos

Guess I'm out of luck on this one...

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mj2022
by New Contributor III
  • 2886 Views
  • 2 replies
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Spark Streaming with SASL_SSL Kafka throwing java.nio.file.NoSuchFileException: dbfs:/mnt/**/kafka.client.truststore.imported.jks

I testing Spark Streaming working withSASL_SSL enabled kafka broker in a notebook.as per this guide https://docs.databricks.com/spark/latest/structured-streaming/kafka.htmli have copied jsk files in an s3 bucket and mounted it in dbfs.In notebook wh...

  • 2886 Views
  • 2 replies
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mj2022
New Contributor III
  • 2 kudos

Thanks..Yes '/dbfs/mnt/xxxx/kafka.client.truststore.imported.jks'  path worked. Also other workaround we got it working, is copy the file from s3 to filesystem using init script and use filepath.

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Rahul_Samant
by Contributor
  • 13941 Views
  • 9 replies
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SSL Error While Setting up databricks cli or installing library

How to fix below SSL error while setting up databricks Cli or installing library in clusterLibrary installation attempted on the driver node of cluster *** and failed.Please refer to the following error message to fix the library or contact Databric...

  • 13941 Views
  • 9 replies
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Latest Reply
Megan05
New Contributor III
  • 2 kudos

I was getting an SSL when trying to set up secrets using the Databricks CLI. To fix the CLI SSL error I went to %USERPROFILE%\.databrickscfg (~/.databrickscfg on Unix, Linux, or macOS) from the file explorer on my local machine and added the insecure...

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geertvanhove
by New Contributor III
  • 8601 Views
  • 5 replies
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Resolved! connection to databricks data source in Visual Studio fails with SSL error

Hi,I'm new to databricks but am positively surprised by the product. We use databricks delta tables as source to build a tabular model, which will serve as data source for Power Bi. To develop our tabular model we use Visual studio to import tables ...

  • 8601 Views
  • 5 replies
  • 6 kudos
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Hubert-Dudek
Esteemed Contributor III
  • 6 kudos

In Visual Studio do you use databricks-connect? Maybe it is enough to rerun "databricks-connect configure"

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Michael_Galli
by Contributor III
  • 11309 Views
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Resolved! com.microsoft.sqlserver.jdbc.SQLServerException:The driver could not establish a secure connection to SQL Server by using SSL encr. Error: "Unexpected rethrowing"

Hi all,there is a random error when pushing data from Databricks to a Azure SQL Database.Anyone else also had this problem? Any ideas are appreciated.See stacktrace attached.Target: Azure SQL Database, Standard S6: 400 DTUsDatabricks Cluster config:"...

  • 11309 Views
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Michael_Galli
Contributor III
  • 3 kudos

@Pearl Ubaru​ TLS 1.1 is already deprecated.Are there any concerns from your side to set TLS 1.2 in the connection string?

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Prabakar
by Databricks Employee
  • 7141 Views
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Resolved! %pip/%conda doesn't work with encrypted clusters starting DBR 9.x

While trying to use the magic command %pip/%conda with DBR 9.x or above it fails with the following error:%pip install numpyorg.apache.spark.SparkException: %pip/%conda commands use unencrypted NFS and are disabled by default when SSL encryption is ...

  • 7141 Views
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  • 5 kudos
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Prabakar
Databricks Employee
  • 5 kudos

If you are not aware of the traffic encryption between cluster worker nodes, you can refer to the below link.https://docs.microsoft.com/en-us/azure/databricks/security/encryption/encrypt-otw

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RantoB
by Valued Contributor
  • 8170 Views
  • 4 replies
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Resolved! SSLCertVerificationError how to disable SSL Certification

Hi, How is that possible to disable SSL Certification.With databricks API I got this error :SSLCertVerificationError   SSLCertVerificationError: ("hostname 'https' doesn't match either of '*.numericable.fr', 'numericable.fr'",)   MaxRetryError: HTTPS...

  • 8170 Views
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Anonymous
Not applicable
  • 0 kudos

@Bertrand BURCKER​ - Thanks for letting us know your issue is resolved. If @Prabakar Ammeappin​'s answer solved the problem, would you be happy to mark his answer as best so others can more easily find an answer for this?

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akj2784
by New Contributor II
  • 21275 Views
  • 11 replies
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How to connect PostgreSQL from Databricks

I am trying to connect PostgreSQL from Azure Databricks. I am using the below code to connect. jdbcHostname = "Test" jdbcPort = 1234 jdbcDatabase = "Test1" jdbcUrl = "jdbc:postgresql://{0}:{1}/{2}".format(jdbcHostname, jdbcPort, jdbcDatabase) Conn...

  • 21275 Views
  • 11 replies
  • 1 kudos
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Anonymous
Not applicable
  • 1 kudos

@Javier De La Torre do you really need two-way SSL (verify-full)? In most cases one way SSL (sslmode=require) should be enough. @akj2784​  When you say "Connection was successful", where do you mean you established a successful connection? You might...

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cfregly
by Contributor
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  • 6056 Views
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TianziCai
New Contributor II
  • 0 kudos

sample = (spark.read .format("com.databricks.spark.redshift") .option("url", jdbcUrl) .option("dbtable", "xx.xxx") # schema, table .option("forward_spark_s3_credentials", True) .option("tempdir", tem...

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