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apache/arrow-java

Official Java implementation of Apache Arrow

17 good first / help-wanted issues · Java · last activity Jul 4, 2026

88 stars 132 forks 88 watchers Java Apache License 2.0

apache-arrow java

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17 Open Issues Need Help Last updated: Jul 4, 2026

Open Issues Need Help

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`ListViewVector#copyFrom` Throws `IndexOutOfBoundsException` on Non-Empty Elements about 1 month ago

Type: bug help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

`ComplexCopier` is missing cases for `TimeStamp*TZ` about 2 months ago

Type: enhancement help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

`ComplexCopier` missing support for FixedSizeBinary columns 3 months ago

Type: enhancement good first issue help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[FlightRPC] Remove sketchy gRPC reflection code 3 months ago

Type: bug help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

Flight JDBC Driver not setting parameter correctly when parameter type is DATE<MILLISECOND> 4 months ago

Type: bug help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java][Flight] ClassCastException in FlightClient when using Epoll Domain Socket: EpollDomainSocketChannel incorrectly cast to ServerChannel 4 months ago

Type: bug help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

Flight-SQL JDBC driver ignores JVM proxy settings 6 months ago

Type: enhancement help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

JDBC driver does not support compressed IPC streams (ZSTD, LZ4) [FlightSQL] 8 months ago

Type: bug help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

UnionFixedSizeListWriter does not support TimeStamp*TZ 8 months ago

Type: enhancement good first issue help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

`ListViewVector#getElementEndIndex` Returns Size not Index 9 months ago

Type: bug good first issue

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java] Checker Framework annotations for AutoCloseables in arrow-memory-core are incorrect 9 months ago

good first issue

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java][Docs] Undocumented null return from CallHeaders.getAll() 9 months ago

good first issue

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java] VectorSchemaRoot#addVector() cannot add a vector to the end of the current vector collection 9 months ago

Type: bug good first issue help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java] Allocator `buffer` method no setting the capacity correctly. 9 months ago

good first issue

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java] IllegalArgumentException when unsetting TimeStamp*TZVector values 10 months ago

good first issue

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

[Java] DenseUnionWriter#setPosition fails with NullPointerException 10 months ago

Type: bug good first issue help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java

UnionMapWriter fails to write fixed size binary about 1 year ago

Type: bug good first issue help wanted

apache/arrow-java

88

Official Java implementation of Apache Arrow

Java

#apache-arrow#java