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DataStax Pulsar Connector

    • Getting Started
      • About the DataStax Apache Pulsar™ Connector
        • System requirements
      • Pulsar Connector release notes
      • Installing DataStax Apache Pulsar™ Connector
      • Pulsar Connector single instance quick start
    • Guides and examples
      • Configuration
        • Configuring parallelism
        • Specify writetime timestamp column
        • Setting row-level TTL values from Pulsar fields
        • Pass Pulsar Connector settings directly to the DataStax Java driver
        • Mapping pulsar topics to database tables
          • Determining topic data structure
          • Mapping basic messages to table columns
          • Mapping a message that contain JSON fields
            • Mapping a message that contains both basic and JSON fields
            • Mapping JSON messages
          • Mapping Avro messages
          • Extract Pulsar record header values
          • Mapping messages to table that has a User Defined Type
          • Mapping a topic to multiple tables
          • Multiple topics to multiple tables
          • Provide CQL queries in mappings
          • The now() function in mappings
      • Operations
        • About operating and maintaining the DataStax Connector
        • Scaling the DataStax Apache Pulsar™ Connector
        • Changing the topic or table schema
        • Restarting the DataStax Apache Pulsar™ Connector
        • Displaying the DataStax Apache Pulsar™ Connector configuration
        • Updating the DataStax Apache Pulsar™ Connector configuration
        • Deleting the DataStax Apache Pulsar™ Connector
        • Getting the DataStax Connector status
      • Security
        • Using internal or LDAP authentication
      • DataStax Apache Pulsar™ Connector metrics
      • Troubleshooting
        • Record fails to write
        • Writing fails because of mutation size
        • Data parsing fails
        • Loading balancing datacenter is not specified
    • Reference
      • DataStax Apache Pulsar™ Connector details
      • DataStax connection
      • Pulsar topic-to-table settings
      • Converting date and times for a topic
      • Using the DataStax Apache Pulsar™ Connector with DataStax Enterprise authentication
        • Internal or LDAP authentication
      • SSL encrypted connection
      • Configure error handling
  • DataStax Pulsar Connector
  • Guides and examples
  • Troubleshooting
  • Data parsing fails

Data parsing fails

When the data from an Apache Pulsar™ field is not compatible with the data type of the target supported database table column, the data conversion fails and a message is logged in the Pulsar Connect log.

Example error message when parsing a string value for a numeric column:

java.lang.IllegalArgumentException: Could not parse 'jack'; accepted formats are: a valid
          number (e.g. '1234.56'), a valid Java numeric format (e.g. '-123.45e6'), a valid date-time
          pattern (e.g. '2018-10-17T18:37:52.704Z'), or a valid boolean word

Remediation

Ensure that the Pulsar fields are mapped to the correct database columns. The connector can not automatically convert varying types. If they do not match, consider changing your table schema to accommodate the Pulsar field types.

When adding or changing columns in a database table, ensure that the schema is fully propagated before continuing. Use nodetool describering to show the schema version.
Writing fails because of mutation size Loading balancing datacenter is not specified

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