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[BUG] Avro direct read throws ClassCastException (UTF8String cannot be cast to Long) on BigQuery DATETIME columns in Spark

Status: Open.

#1520 In GoogleCloudDataproc/spark-bigquery-connector;

· jhsenjaliya opened on Sep 5, 2026

Indirect dynamic overwrite fails on second write when partitionField/partitionType are retained

Status: Open.

#1514 In GoogleCloudDataproc/spark-bigquery-connector;

· judahrand opened on Aug 13, 2026

[Compatibility] Support for Spark 4.2

Status: Open.

#1508 In GoogleCloudDataproc/spark-bigquery-connector;

· asd-us-123 opened on Jul 30, 2026

[Bug] Direct write mode fails with com.google.api.gax.rpc.NotFoundException: io.grpc.StatusRuntimeException: NOT_FOUND: Requested entity was not found. when table is dropped and recreated between writes

Status: Open.

#1487 In GoogleCloudDataproc/spark-bigquery-connector;

· ksebatianblalid opened on May 14, 2026

Wrong nullablily for arrays and their elements when reading table

Status: Open.

#1482 In GoogleCloudDataproc/spark-bigquery-connector;

· eejbyfeldt opened on May 1, 2026

MapType read back as array<struct<key,value>> instead of map + DecimalType precision lost on read - regression from 0.43.1

Status: Open.

#1478 In GoogleCloudDataproc/spark-bigquery-connector;

· ye11owSub opened on Apr 16, 2026

Invalid table ID "test_b_deals$202602051235232241136685". Table IDs must be alphanumeric (plus underscores) and must be at most 1024 characters long. Also, Table decorators cannot be used.

Status: Open.

#1464 In GoogleCloudDataproc/spark-bigquery-connector;

· bixi-hemant opened on Feb 10, 2026

Spark read hangs indefinitely

Status: Open.

#1463 In GoogleCloudDataproc/spark-bigquery-connector;

· danbaron63 opened on Jan 29, 2026

DATETIME is read as String and not able to write it in indirect mode

Status: Open.

#1451 In GoogleCloudDataproc/spark-bigquery-connector;

· lbg-manasa-padimalla opened on Dec 4, 2025

Exception while writing to BigQuery table with BigNumeric data type

Status: Open.

#1438 In GoogleCloudDataproc/spark-bigquery-connector;

· lbg-samson-daniel opened on Nov 18, 2025

Using row_number().over(Window) leads to Arrow exception in 4.0 preview (0.43.1-preview)

Status: Open.

#1435 In GoogleCloudDataproc/spark-bigquery-connector;

· mariussoutier opened on Oct 28, 2025

Spark Structured Streaming - BigQuery as a source

Status: Open.

#1433 In GoogleCloudDataproc/spark-bigquery-connector;

· kolban-google opened on Oct 23, 2025