Releases · mariadb-corporation/mariadb-connector-j (original) (raw)

MariaDB Connector/Java 3.4.3

3.4.3 (Jun 2026)

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Bugs Fixed

CONJ-1315 cap BigDecimal/BigInteger string parsing length to prevent CPU exhaustion if Mitm (report by tonghuaroot)
CONJ-1316 pin Locale.ROOT on locale-sensitive call sites and date/time/Duration text formatting (fixes
locale-dependent parsing/formatting, e.g. under tr_TR) (thanks to jmestwa-coder)
CONJ-1259 DatabaseMetaData read-only detection: handle MariaDB 12.0 @@read_only returning ON/OFF
instead of 1/0
CONJ-1317 ensure non-UTF8 charset cannot be used for protocol exchanges (report by fg0x0)
CONJ-1320 PAM (dialog) authentication now requires a secure connection (TLS or unix socket), like mysql_clear_password (report by fg0x0)
CONJ-1319 use constant-time comparison when validating the server certificate fingerprint (thanks to jmestwa-coder)
CONJ-1322 match local infile filename case-sensitively (thanks to jmestwa-coder)
CONJ-1323 LOAD LOCAL INFILE validation rejects statements preceded by line comments (thanks to sebdomdev)

MariaDB Connector/Java 3.3.5

3.3.5 (Jun 2026)

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Bugs Fixed

CONJ-1315 cap BigDecimal/BigInteger string parsing length to prevent CPU exhaustion if Mitm (report by tonghuaroot)
CONJ-1316 pin Locale.ROOT on locale-sensitive call sites and date/time/Duration text formatting (fixes
locale-dependent parsing/formatting, e.g. under tr_TR) (thanks to jmestwa-coder)
CONJ-1259 DatabaseMetaData read-only detection: handle MariaDB 12.0 @@read_only returning ON/OFF
instead of 1/0
CONJ-1317 ensure non-UTF8 charset cannot be used for protocol exchanges (report by fg0x0)
CONJ-1322 match local infile filename case-sensitively (thanks to jmestwa-coder)
CONJ-1323 LOAD LOCAL INFILE validation rejects statements preceded by line comments (thanks to sebdomdev)

MariaDB Connector/Java 3.5.9

3.5.9 (Jun 2026)

Full Changelog

Key Enhancements

CONJ-1223 - cache TLS trust/key managers across connections to reduce SSL connection cost
CONJ-1314 - add SPI for interactive dialog (PAM) authentication callback
CONJ-1311 - add dedicated option useIpForKillQuery for query cancellation
CONJ-1310 - Add full native image support and CI coverage

Issues Resolved

CONJ-1320 - PAM (dialog) authentication must require a secure connection (report by fg0x0)
CONJ-1319 - Use constant-time comparison when validating the server certificate fingerprint (report by jmestwa-coder)
CONJ-1318 - enforce allowLocalInfile=false on the server's local-infile request, so a malicious server cannot read a client file despite the option being disabled
CONJ-1322 - match local infile filename case-sensitively (thanks to jmestwa-coder)
CONJ-1323 - LOAD LOCAL INFILE validation rejects statements preceded by line comments (thanks to sebdomdev)
CONJ-1315 - cap BigDecimal/BigInteger string parsing length to prevent CPU exhaustion if MitM (report by tonghuaroot)
CONJ-1317 - ensure non-UTF8 charset cannot be used for protocol exchanges (report by fg0x0)
CONJ-1304 - CallableStatement parameter metadata read from mysql.proc, with MySQL info_schema fallback
CONJ-1299 - keep VALUES literals after the last placeholder when rewriting batches
CONJ-1313 - race condition in HaMode#getAvailableHostInOrder can cause NPE
CONJ-1311 - Connection.cancelCurrentQuery fails with SslMode.VERIFY_FULL when client socket IP is set
CONJ-1264 - handle LocalDateTime as a zoneless wall-clock value
CONJ-1316 - pin Locale.ROOT on locale-sensitive call sites and date/time/Duration text formatting (fixes
locale-dependent parsing/formatting, e.g. under tr_TR) (thanks to jmestwa-coder)
CONJ-1324 - fix SQL parser to correctly handle '--' in expressions and reset lastChar after block comments
CONJ-1323 - LOAD LOCAL INFILE validation rejects statements preceded by line comments (thanks to sebdomdev)

MariaDB Connector/Java 2.7.14

2.7.14 (Jun 2026)

Full Changelog

CONJ-1315 cap BigDecimal/BigInteger string parsing length to prevent CPU exhaustion if Mitm (report by tonghuaroot)
CONJ-1316 pin Locale.ROOT on locale-sensitive call sites (fixes locale-dependent parsing/formatting, e.g. under tr_TR) (thanks to jmestwa-coder)
CONJ-1317 ensure non-UTF8 charset cannot be used for protocol exchanges (report by fg0x0)
match local infile filename case-sensitively (thanks to jmestwa-coder)
create gssapi jaas config temp file with owner-only permissions (thanks to jmestwa-coder)
encode caching_sha2 clear password as UTF-8 (thanks to jmestwa-coder)
call inflater.end() in finally in CompressInputStream (thanks to jmestwa-coder)

MariaDB Connector/Java 3.5.8

3.5.8 (Apr 2026)

Full Changelog

Issues Resolved

CONJ-1305 - XAResource.isSameRM() incorrectly returns true when rewriteBatchedStatements differs between connections
CONJ-1303 - Statement.cancel() fails to kill running query during result streaming

Other

CONJ-1298 - Performance improvement: avoid decoding extended format

MariaDB Connector/Java 2.7.13

2.7.13 (Dec 2025)

Full Changelog

CONJ-661 Fixed intermittent NullPointerException when calling prepareStatement
CONJ-1167 Fixed possible ArrayIndexOutOfBoundsException when using CallableStatement
CONJ-1185 Fixed Android compatibility issue: Pattern CANON_EQ flag not supported
CONJ-1293 Fixed NullPointerException in MariaDbDataSource when setLoginTimeout(0) has been called
CONJ-1174 Fixed ResultSetMetaData precision for signed BIGINT (was reported as 20)

MariaDB Connector/Java 3.5.7

3.5.7 (Dec 2025)

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Key Enhancements

CONJ-1282 - Added TLS SNI (Server Name Indication) support
CONJ-1271 - Added MariaDbDataTruncation exception that includes MariaDB error code and error message

Issues Resolved

CONJ-1291 - Fixed ConnectionPoolDataSource incompatibility and connection leaks due to internal ConnectionEventListener in MariaDB Connector/J 3.5.x
CONJ-1286 - Fixed MariaDbPoolPinnedConnection thread-safety issue
CONJ-1283 - Fixed rewriteBatchedStatements introduced in 3.5.6 bug when having parentesis after VALUES parts
CONJ-1287 - Fixed authentication plugin multi-exchange prefix (0x01) handling introduced in MDEV-37554
CONJ-1290 - Fixed NullPointerException in MultiPrimaryReplicaClient
CONJ-1295 - Fixed MariaDbClob compilation with JDK 26+

MariaDB Connector/Java 3.5.6

3.5.6 (Sep 2025)

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Key Enhancements

CONJ-1238 - rewriteBatchStatements implementation
CONJ-1274 - server prepared statement client failover to client prepared statement

Issues Resolved

CONJ-1278 - prepared statement caching enablement correction, same than 2.x
CONJ-1279 - metadata table name addition for 12.1 after MDEV-28933
CONJ-1280 - permit having multiple command with initSql option
CONJ-1276 - Connection#isValid(int timeout) does not obey the passed in timeout if the network is down.

MariaDB Connector/Java 3.5.5

3.5.5 (Aug 2025)

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Issues Resolved

CONJ-1265 - ensure rollback and release savepoint operation to be sent to server, even when there is no transaction in progress
CONJ-1270 - forceConnectionTimeZoneToSession doesn't always set the timezone to server

MariaDB Connector/Java 3.5.4

3.5.4 (Jun 2025)

Full Changelog

Key Enhancements

CONJ-1261 - Added caching option for loadCodecs results to improve performance

Issues Resolved

CONJ-1234 - Fixed incorrect type definitions in DatabaseMetaData.getTypeInfo()
CONJ-1247 - Resolved potential race condition that could cause NullPointerException
CONJ-1250 - avoids redundant queries for CallableStatement.getParameterMetaData()
CONJ-1251 - Fixed SSL configuration issue where zero SSL settings only functioned without explicit SSL configuration
CONJ-1252 - Resolved GSSAPI authentication error when server exchanges begin with 0x01 byte
CONJ-1254 - Corrected DatabaseMetadata.getTypeInfo() returning incorrect values for AUTO_INCREMENT, FIXED_PREC_SCALE, and CASE_SENSITIVE fields
CONJ-1255 - Fixed getString method on BIT(1) fields to properly honor transformedBitIsBoolean configuration
CONJ-1259 - Enhanced metadata compatibility with MariaDB version 12.0
CONJ-1260 - Improved performance of DatabaseMetaData.getExportedKeys method
CONJ-1256 - Fixed issue to ensure correct catalog name is returned