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CData JDBC Drivers FAQ & Troubleshooting
Frequently Asked Questions
- What versions of Java do CData JDBC Drivers support?
- CData JDBC Drivers support Java JDK 1.8 and higher. The drivers are compatible with Oracle JDK, OpenJDK, and other standard Java distributions.
- What development environments and IDEs are supported?
- CData JDBC Drivers work with all major Java IDEs including Eclipse, IntelliJ IDEA, NetBeans, and Visual Studio Code. They also integrate with build tools like Maven and Gradle.
- What Java frameworks do CData JDBC Drivers support?
- Spring Boot, Spring Framework, Hibernate, MyBatis, and any framework that supports standard JDBC connectivity.
- What operating systems do CData JDBC Drivers support?
- CData JDBC Drivers are cross-platform and run on:
- Windows (x64 and ARM64)
- Linux (x64 and ARM64)
- macOS (Intel and Apple Silicon)
- Any platform that supports Java 1.8+
- CData JDBC Drivers are cross-platform and run on:
- How many data sources do CData JDBC Drivers support?
- CData JDBC Drivers provide connectivity to more than 270 data sources including SaaS applications, databases, NoSQL systems, Big Data platforms, APIs, and cloud services.
- What are the licensing options for CData JDBC Drivers?
- Free 30-day trial available for all drivers
- Community License for personal use, development, and testing
- Per-Developer licenses for commercial use with options for royalty-free distribution
- Enterprise licenses for large-scale deployments
- Do CData JDBC Drivers require installation of additional database clients?
- No, CData JDBC Drivers are self-contained and do not require separate database client installations. They communicate directly with data sources using native protocols or APIs.
Community Resources
Visit the CData Developer Community to browse JDBC articles and JDBC questions, ask your own question, or start a conversation!
Common Errors & Troubleshooting
- I'm seeing the error: 'No suitable driver found for jdbc:...'
- This error occurs when the JDBC driver is not properly loaded or included in the classpath. Ensure that:
- The CData JDBC driver JAR file is included in your project's classpath
- If using an older Java version, explicitly load the driver with
Class.forName("cdata.jdbc.drivername.DriverClassName") - The connection URL format matches the driver's expected format
- This error occurs when the JDBC driver is not properly loaded or included in the classpath. Ensure that:
- I'm seeing license validation errors or 'Trial expired' messages
- Ensure the license file (.lic) is:
- Located in the same directory as the driver JAR file
- Included in your application's classpath (for deployed applications)
- Valid and not expired - run
java -jar cdata.jdbc.drivername.jar --licenseto check or renew
- Ensure the license file (.lic) is:
- I'm receiving connection timeouts or authentication failures
- Verify your connection string parameters:
- Check authentication credentials (username, password, API keys)
- Ensure network connectivity to the data source
- Review firewall settings and proxy configurations
- For cloud services, verify endpoint URLs and regions
- Check if the data source requires specific SSL/TLS settings
- Verify your connection string parameters:
- How do I handle performance issues with large datasets?
- Optimize your queries and connection settings:
- Use LIMIT clauses to restrict result set size
- Implement connection pooling for multiple concurrent requests
- Consider using streaming or batching for large data transfers
- Adjust driver-specific performance settings in the connection string
- Optimize your queries and connection settings:
- I'm having issues with special characters or data encoding
- Ensure proper character encoding:
- Set appropriate encoding parameters in your connection string
- Verify that your application handles UTF-8 or the appropriate character set
- Check data source-specific encoding requirements
- Ensure proper character encoding:
- How do I ensure my Maven or Gradle projects build properly?
- When using build tools:
- Install the driver JAR to your local repository using
mvn install:install-file - Ensure the dependency version matches your installed driver version
- Include the license file in your
src/main/resourcesdirectory - For fat JARs, verify that the driver and license are properly packaged
- Install the driver JAR to your local repository using
- When using build tools:
- I'm struggling with application server deployment
- For deployment to application servers:
- Place the driver JAR in the appropriate library directory
- Ensure the license file is accessible on the server's classpath
- Check for classloader isolation issues in enterprise environments
- Verify that security policies allow JDBC connections
- For deployment to application servers:
Getting Additional Help
If you continue to experience issues:
- Check the CData documentation for your specific driver
- Review the connection string examples and parameters for your data source
- Contact CData Support with details about your environment, error messages, and connection string (excluding sensitive credentials)
- Join the CData Developer Community for peer support and discussions
