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  • Data Integration Connectors
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Table of Contents

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  1. Preface
  2. Introduction to Oracle Cloud Object Storage Connector
  3. Oracle Cloud Object Storage connections
  4. Mappings and tasks for Oracle Cloud Object Storage
  5. Migrating a mapping
  6. Troubleshooting
  7. Appendix A: Data type reference

Oracle Cloud Object Storage Connector

Oracle Cloud Object Storage Connector

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Rules and guidelines for mapping and mapping tasks

Rules and guidelines for mapping and mapping tasks

Consider the following rules and guidelines when you configure mappings and mapping tasks:
  • When the metadata of the source object and override object is different, the mapping fails. If the metadata of the override object matches with the subset of the source object, the mapping runs successfully.
  • When you read data from
    Oracle Cloud Object Storage
     object, the heap size requirement increases proportionately to the increase in part size.
  • When you run a mapping to read a file with a header that contains the at sign (@) special character, the Secure Agent replaces the special character with an underscore (_) in the target.
  • When you parameterize the source and target object in a mapping, and you select a file in the task properties, the task displays only the file name instead of the directory along with the file name.
  • When you read an ORC file with a size of more than 1 GB, the mapping fails with the following error:
    Exception in thread "main" java.io.IOException: Problem opening stripe 0 footer in oci://bucket-test@user/test_orc_sf10. Caused by: com.google.protobuf.InvalidProtocolBufferException: Protocol message contained an invalid tag (zero).
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