Connect to Kafka Data in RazorSQL



Connect to Kafka from wizards and query Kafka data from the GUI in the RazorSQL database management tool.

The CData JDBC Driver for Kafka enables standards-based access from third-party tools, from wizards in IDEs to data management and analysis tools. This article shows how to connect to Kafka using wizards in RazorSQL.

Create a JDBC Data Source for Kafka Data

  1. Open the RazorSQL application and, in the Connections menu, select Add Connection Profile -> Other -> JDBC.
  2. In the Connection Wizard that appears, set the following properties:
    • Driver Location: Set this property to the path to the lib subfolder in the installation directory.
    • Driver Class: Set the driver class to cdata.jdbc.apachekafka.ApacheKafkaDriver.
    • Username: Enter the username. (This property can also be set in the JDBC URL.)
    • Password: Enter the password. (This property can also be set in the JDBC URL.)
    • JDBC URL: Enter connection parameters. The JDBC URL begins with jdbc:apachekafka: and is followed by a semicolon-separated list of connection properties.

      Set BootstrapServers and the Topic properties to specify the address of your Apache Kafka server, as well as the topic you would like to interact with.

      Authorization Mechanisms

      • SASL Plain: The User and Password properties should be specified. AuthScheme should be set to 'Plain'.
      • SASL SSL: The User and Password properties should be specified. AuthScheme should be set to 'Scram'. UseSSL should be set to true.
      • SSL: The SSLCert and SSLCertPassword properties should be specified. UseSSL should be set to true.
      • Kerberos: The User and Password properties should be specified. AuthScheme should be set to 'Kerberos'.

      You may be required to trust the server certificate. In such cases, specify the TrustStorePath and the TrustStorePassword if necessary.

      Built-in Connection String Designer

      For assistance in constructing the JDBC URL, use the connection string designer built into the Kafka JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

      java -jar cdata.jdbc.apachekafka.jar

      Fill in the connection properties and copy the connection string to the clipboard.

      A typical JDBC URL is the following:

      jdbc:apachekafka:User=admin;Password=pass;BootStrapServers=https://localhost:9091;Topic=MyTopic;

Query Kafka Data and Select Tables

After establishing a connection, the wizard will close and the connection will be available in the connections panel. You can then query the tables.

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