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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

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-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: 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

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: [Vector] 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

Support per-batch custom_metadata on RecordBatch (IPC Message field)

Type: enhancementNew feature or requestNew feature or request

Status: Open.

#1035 In apache/arrow-java;

· ennuite opened on Feb 24, 2026

GH-552: [Vector] Add absent methods to the UnionFixedSizeListWriter

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

Status: Open (in progress).

apache/arrow-javanumber 1052

#1052 In apache/arrow-java;

· axreldable opened on Mar 7, 2026

UnionFixedSizeListWriter does not support TimeStamp*TZ

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Type: enhancementNew feature or requestNew feature or request

Status: Open.

#552 In apache/arrow-java;

· nbauernfeind opened on Jan 22, 2025

GH-1061: Add codegen classifier jar for arrow-vector.

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

Status: Open (in progress).

apache/arrow-javanumber 1062

#1062 In apache/arrow-java;

· lriggs opened on Mar 9, 2026

Add new classifier jar for arrow-vector tdd files

Type: enhancementNew feature or requestNew feature or request

Status: Open.

#1061 In apache/arrow-java;

· lriggs opened on Mar 9, 2026