List view

<code>ListViewVector#getElementEndIndex</code> Returns Size not Index

good first issueGood for newcomersGood for newcomers

Type: bugSomething isn't workingSomething isn't working

Status: Open.

#470 In apache/arrow-java;

· nbauernfeind opened on Dec 27, 2024

GH-794: Avro file read and write support

enhancementPRs that add or improve features.PRs that add or improve features.

Status: Open (in progress).

apache/arrow-javanumber 802

#802 In apache/arrow-java;

· martin-traverse opened on Jul 21, 2025

Avro adapter - Read and write Avro container files

Type: enhancementNew feature or requestNew feature or request

Status: Open.

#794 In apache/arrow-java;

· martin-traverse opened on Jul 7, 2025

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

help wantedExtra attention is neededExtra attention is needed

Type: bugSomething isn't workingSomething isn't working

Status: Open.

#926 In apache/arrow-java;

· aarshivv opened on Dec 2, 2025

[FlightRPC] Remove sketchy gRPC reflection code

help wantedExtra attention is neededExtra attention is needed

Type: bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#939 In apache/arrow-java;

· lidavidm opened on Dec 29, 2025

GH-343: Fix BaseVariableWidthVector and BaseLargeVariableWidthVector offset buffer serialization

bug-fixPRs that fix a big.PRs that fix a big.

Status: Open (in progress).

apache/arrow-javanumber 989

#989 In apache/arrow-java;

· Yicong-Huang opened on Jan 27, 2026

GH-979: Adds documentation for Flight SQL

enhancementPRs that add or improve features.PRs that add or improve features.

Status: Open (in progress).

apache/arrow-javanumber 980

#980 In apache/arrow-java;

· jorisgillis opened on Jan 24, 2026

Add documentation of Flight SQL

Type: enhancementNew feature or requestNew feature or request

Status: Open.

#979 In apache/arrow-java;

· jorisgillis opened on Jan 24, 2026

GH-946: Add Variant extension type support

enhancementPRs that add or improve features.PRs that add or improve features.

Status: Open (in progress).

apache/arrow-javanumber 947

#947 In apache/arrow-java;

· tmater opened on Jan 7, 2026

Logical type definition for parquet.variant in arrow-java

Type: enhancementNew feature or requestNew feature or request

Status: Open.

#946 In apache/arrow-java;

· tmater opened on Jan 7, 2026

GH-994: Fix DatabaseMetaData NPEs when SqlInfo is unavailable

bug-fixPRs that fix a big.PRs that fix a big.

Status: Open (in progress).

apache/arrow-javanumber 995

#995 In apache/arrow-java;

· ennuite opened on Feb 2, 2026

[FlightSQL][JDBC] NullPointerException in DatabaseMetadata methods when SqlInfo is unavailable

Type: bugSomething isn't workingSomething isn't working

Status: Open.

#994 In apache/arrow-java;

· merzbird opened on Jan 29, 2026

MINOR: [CI] Bump docker/login-action from 3.6.0 to 3.7.0

dependenciesPull requests that update a dependency filePull requests that update a dependency file

github_actionsPull requests that update GitHub Actions codePull requests that update GitHub Actions code

Status: Open (in progress).

apache/arrow-javanumber 996

#996 In apache/arrow-java;

· dependabot opened on Feb 2, 2026

MINOR: Bump com.gradle:common-custom-user-data-maven-extension from 2.0.3 to 2.1.0

dependenciesPull requests that update a dependency filePull requests that update a dependency file

javaPull requests that update Java codePull requests that update Java code

Status: Open (in progress).

apache/arrow-javanumber 998

#998 In apache/arrow-java;

· dependabot opened on Feb 2, 2026

MINOR: Bump org.mockito:mockito-bom from 5.17.0 to 5.21.0

dependenciesPull requests that update a dependency filePull requests that update a dependency file

javaPull requests that update Java codePull requests that update Java code

Status: Open (in progress).

apache/arrow-javanumber 1000

#1000 In apache/arrow-java;

· dependabot opened on Feb 2, 2026

MINOR: Bump com.gradle:develocity-maven-extension from 2.3.1 to 2.3.3

dependenciesPull requests that update a dependency filePull requests that update a dependency file

javaPull requests that update Java codePull requests that update Java code

Status: Open (in progress).

apache/arrow-javanumber 1001

#1001 In apache/arrow-java;

· dependabot opened on Feb 2, 2026

MINOR: Bump logback.version from 1.5.26 to 1.5.27

dependenciesPull requests that update a dependency filePull requests that update a dependency file

javaPull requests that update Java codePull requests that update Java code

Status: Open (in progress).

apache/arrow-javanumber 999

#999 In apache/arrow-java;

· dependabot opened on Feb 2, 2026

MINOR: Empty commit to test CI

bug-fixPRs that fix a big.PRs that fix a big.

Status: Open (in progress).

apache/arrow-javanumber 1002

#1002 In apache/arrow-java;

· jbonofre opened on Feb 2, 2026

GH-1004: [JDBC] Fix NPE in ArrowFlightJdbcDriver#connect​(final String url, final Properties info)

bug-fixPRs that fix a big.PRs that fix a big.

Status: Open (in progress).

apache/arrow-javanumber 1005

#1005 In apache/arrow-java;

· ennuite opened on Feb 5, 2026

[JDBC] NullPointerException in DriverManager#getConnection​(String url, Properties info)

Type: bugSomething isn't workingSomething isn't working

Status: Open.

#1004 In apache/arrow-java;

· ennuite opened on Feb 5, 2026

GH-301: Allow adding a vector at the end of VectorSchemaRoot

enhancementPRs that add or improve features.PRs that add or improve features.

Status: Open (in progress).

apache/arrow-javanumber 1013

#1013 In apache/arrow-java;

· axreldable opened on Feb 8, 2026

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

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Type: bugSomething isn't workingSomething isn't working

Status: Open.

#301 In apache/arrow-java;

· asfimport opened on Aug 25, 2022

GH-139: [Flight] Stop return null from MetadataAdapter.getAll(String) and getAllByte(String)

breaking-change

enhancementPRs that add or improve features.PRs that add or improve features.

Status: Open (in progress).

apache/arrow-javanumber 1016

#1016 In apache/arrow-java;

· axreldable opened on Feb 9, 2026

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

good first issueGood for newcomersGood for newcomers

Status: Open.

#139 In apache/arrow-java;

· indigophox opened on Jan 11, 2024

GH-1007: fix: does not break class loading if direct buffer allocator is not available

bug-fixPRs that fix a big.PRs that fix a big.

Status: Open (in progress).

apache/arrow-javanumber 1008

#1008 In apache/arrow-java;

· torito opened on Feb 5, 2026