apache/arrow-java

Official Java implementation of Apache Arrow

Stars: 94
Forks: 152
Open beginner issues: 0
Indexed issues: 429
Avg merge: 3d 16h
Merged PRs (30d): 11

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Open All

428 open issues indexed

[Java] Continue adding nullability/nullness annotations for Arrow Vector Module Open

apache/arrow-java#143 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[Java][Memory][Core]: Initialize DEBUG variable in BaseAllocator class separately Open

apache/arrow-java#142 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Adding Logging functionality Open

apache/arrow-java#140 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[java] Is there a way to get the length of the data from bytes at a small system cost? Open

apache/arrow-java#138 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Avro to Arrow Conversion Fails for Nested Schemas Open

apache/arrow-java#137 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Avro to Arrow Conversion fails for simple schema Open

apache/arrow-java#136 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][CI] Move java-jars crossbow nightly build to Apache/arrow ASF runners Open

apache/arrow-java#135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Change Protobuf version usage in DataSet and Gandiva Open

apache/arrow-java#134 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FlightRPC][Java] Properties of JDBC driver are not autodiscovered by clients like DBeaver Open

apache/arrow-java#133 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Write list of maps with the vector API Open

apache/arrow-java#132 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Avro to arrow conversion fails for nested unions Open

apache/arrow-java#131 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][Float16] Add support to VectorVisitor classes (compare/validate) Open

apache/arrow-java#129 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][Float16] Add support to the arrow-algorithm module for Float16 Open

apache/arrow-java#128 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][Float16] Add IPC integration tests for float16 Open

apache/arrow-java#127 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][CI] Migrate current Apache Nightly process to Apache Nexus Staging/Snapshot Repository Open

apache/arrow-java#126 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[CI][Java] *-sources.jar include *.{so,dylib,dll} Open

apache/arrow-java#124 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Can't initialize RootAllocator when Unsafe isn't present even when using the NettyAllocator Open

apache/arrow-java#123 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][FlightRPC] Flight SQL JDBC driver parameter getting an exception: parameter ordinal 1 out of range Open

apache/arrow-java#121 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] JDBC driver too large Open

apache/arrow-java#120 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] NullVector constructor should not accept an arbitrary field type Open

apache/arrow-java#119 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[JAVA] [arrow-jdbc] Unmapped data type 2014 (TIMESTAMP_WITH_TIMEZONE) Open

apache/arrow-java#118 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[JAVA] [ARROW-JDBC] Ssl Handler Exception - Swallowing a harmless 'connection reset by peer / broken pipe' Open

apache/arrow-java#117 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Python] [ADBC_DRIVER] [FlightSQL] flight: no authorization header on the response (Unknown; AuthenticateBasicToken) when creating new connection. Open

apache/arrow-java#116 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Bump org.apache.maven dependencies from 3.8.7 to 3.9.6 Open

apache/arrow-java#115 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[flight-rpc][flight-jdbc][sql] - Dynamic parameters on columns that created in runtime not working Open

apache/arrow-java#114 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Integrate Maven Spotless to CIs Open

apache/arrow-java#113 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CI][Java] Check licenses of dependencies Open

apache/arrow-java#112 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] Implement Visitor-based components associated with StringView Implementation in JDBC Driver Open

apache/arrow-java#111 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] Type-ids in UnionVector are erroneously coupled to the Arrow types of the underlying vectors Open

help wanted

apache/arrow-java#108 · 17 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
[Java] Add support for ExtensionVector in JsonFileWriter/JsonFileReader Open

apache/arrow-java#107 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] Adding Benchmarks for StringView Open

apache/arrow-java#106 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `getFieldInnerVectors` function deprecation and removal Open

apache/arrow-java#105 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Remove `getOffSetVector` deprecated method in `BaseRepeatedValueVector` Open

apache/arrow-java#104 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] Remove deprecated `getFieldInnerVectors` from `ListVector` Open

apache/arrow-java#103 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `ListView` Layout Implementation Open

apache/arrow-java#102 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `ListView` Implementation for `ColumnBinderArrowTypeVisitor` in JDBC Open

apache/arrow-java#101 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `ListView` implementation for `AvaticaParameterBinder` in JDBC Open

apache/arrow-java#100 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `LargeListView` implementation for `AvaticaParameterBinder` in JDBC Open

apache/arrow-java#99 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `LargeListView` Implementation for `ColumnBinderArrowTypeVisitor` in JDBC Open

apache/arrow-java#98 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `ListViewVector` implementation for `ConvertUtiils` in JDBC Open

apache/arrow-java#97 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] `LargeListViewVector` implementation for `ConvertUtiils` in JDBC Open

apache/arrow-java#96 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java] Read a Parquet file into a Table Open

apache/arrow-java#95 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[JDBC] Exception handling for non-simple types swallows actual error during processing Open

apache/arrow-java#94 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[JAVA] flight-sql-jdbc-driver V16.0.0 shading relocates slf4j dependency Open

apache/arrow-java#91 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] How to implement cross database queries similar to presto Open

apache/arrow-java#90 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] nullable arrow schema write to parquet error Open

apache/arrow-java#89 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java][C] sliced RecordBatch offset info is lost when imported from c-data Open

apache/arrow-java#88 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Integrating `variadicBufferCounts` to `RecordBatch` in Java Open

apache/arrow-java#86 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Updating `JsonFileReader` and `JsonFileWriter` to support StringView Open

apache/arrow-java#85 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Java][FlightSQL] Arrow Flight SQL JDBC Driver returns -1 for getUpdateCount() Open

apache/arrow-java#83 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026

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