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Developing applications with DataStax drivers

    • Getting started
    • Overview
      • Authentication in DataStax drivers
      • Best practices
      • Driver metrics
    • Connecting
      • Client errors
      • Connecting to DataStax Astra databases
      • Connecting to the database
      • Connection pooling
      • Error handling
      • Reconnection policies
      • Retry policies
      • Server errors
      • Using SSL in DataStax drivers
    • Managing
      • Load balancing with DataStax drivers
      • Using DSE Search with the DataStax drivers
      • Guided code experience examples
      • Managing concurrency in asynchronous query execution
      • Result paging with DataStax drivers
    • Developing
      • Submitting DSE Graph queries with the DataStax drivers
      • Execution profiles
      • Working with multi-workload clusters
      • Object mappers in DSE drivers
      • Submitting queries
      • Query idempotence
      • Query timestamps
      • Speculative query execution
      • Synchronous and asynchronous query execution
  • Developing applications with DataStax drivers
  • Connecting
  • Error handling

Error handling

When using the drivers with a DataStax Enterprise or Apache Cassandra™ cluster, various errors and exceptions may be encountered. The correct way to handle these error conditions often depends on the requirements of the application utilizing the driver. In this section, types of errors are covered as well as causes and common remediation of each.

At the broadest level, there are two types of errors:

  • Server-originated errors: Server errors are returned directly from the coordinator to the driver and are identical across all of the drivers.

  • Client-side errors: Client-side errors are specific to issues that occur in the driver itself and vary from driver to driver.

For specifics, refer to the individual driver error documentation.

Table 1. Driver error documentations

C/C++

C#

Java

Node.js

PHP

Python

Ruby

Connection pooling Reconnection policies

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