Owner

h2database

1 indexed repository · View on GitHub

h2database
H2 is an embeddable RDBMS written in Java.

Java · 4631 stars

Beginner friendly Everything

Open All

SecureFileStore.readFully() may skip decryption when off > 0 and the destination prefix is zeroed Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

h2database/h2database#4405 · Opened Sep 20, 2026
StringIndexOutOfBoundsException thrown by TO_CHAR function Open

Difficulty 2/5 1-3 hours Newbie friendliness 63/100

h2database/h2database#4394 · Opened Sep 15, 2026
Reading INFORMATION_SCHEMA.COLUMNS fails with a NullPointerException while a materialized view exists Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

h2database/h2database#4376 · Opened Aug 20, 2026
H2 database Upgrade utility fails for recent 2.* versions Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

h2database/h2database#4354 · 1 comment · Opened Jun 26, 2026

A short digest of beginner-friendly GitHub issues.