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Top Architect
Top Architect
Mar 30, 2026 · Backend Development

Why Upgrading to MyBatis‑Plus Breaks LocalDateTime Mapping and How to Fix It

A newcomer replaced MyBatis with MyBatis‑Plus in an old MySQL‑based project, triggering a "Conversion not supported for type java.time.LocalDateTime" error, which was traced to MyBatis 3.5.1 dropping built‑in type handling and an outdated mysql‑connector‑java, and resolved by upgrading the connector and adjusting validation logic.

ConnectorDebuggingJava
0 likes · 10 min read
Why Upgrading to MyBatis‑Plus Breaks LocalDateTime Mapping and How to Fix It
Top Architect
Top Architect
Jan 8, 2026 · Backend Development

Why MyBatis‑Plus Migration Fails: LocalDateTime Conversion and Connector Version Issues

A legacy project using MySQL 5.7, MyBatis 3.5.0 and mysql‑connector‑java 5.1.26 encounters a "Conversion not supported for type java.time.LocalDateTime" error after switching to MyBatis‑Plus 3.1.1, which is traced to MyBatis 3.5.1 dropping built‑in LocalDateTime handling and the old connector not supporting the type, requiring an upgrade to mysql‑connector‑java 5.1.37 or later.

JDBC driverLocalDateTimeMyBatis
0 likes · 9 min read
Why MyBatis‑Plus Migration Fails: LocalDateTime Conversion and Connector Version Issues
Su San Talks Tech
Su San Talks Tech
Aug 29, 2025 · Backend Development

Why Switching to MyBatis‑Plus Can Break LocalDateTime Handling and How to Fix It

The article walks through replacing MyBatis with MyBatis‑Plus in a legacy project, explains the LocalDateTime conversion errors caused by version changes in MyBatis and mysql‑connector‑java, shows how upgrading the JDBC driver resolves the issue, and shares lessons on cautious component upgrades and testing.

Backend DevelopmentJavaLocalDateTime
0 likes · 8 min read
Why Switching to MyBatis‑Plus Can Break LocalDateTime Handling and How to Fix It
Architect's Tech Stack
Architect's Tech Stack
Aug 15, 2025 · Backend Development

Why Upgrading to MyBatis‑Plus Triggers LocalDateTime Errors and How to Resolve Them

This article walks through a real‑world scenario where replacing MyBatis with MyBatis‑Plus caused a LocalDateTime conversion exception due to changes in MyBatis 3.5.1 and an outdated mysql‑connector‑java driver, demonstrates how to pinpoint the root cause via stack traces, and provides step‑by‑step fixes including driver upgrades and version considerations, while also sharing lessons learned from related validation bugs.

JavaLocalDateTimeORM
0 likes · 16 min read
Why Upgrading to MyBatis‑Plus Triggers LocalDateTime Errors and How to Resolve Them
Lin is Dream
Lin is Dream
May 26, 2025 · Backend Development

Master Java Date & Time APIs: Quick Reference for Daily, Weekly, Monthly and Quarterly Operations

This article consolidates essential Java date and time utilities—including start/end calculations for days, weeks, months, quarters and years, time arithmetic, formatting, parsing, and conversions between LocalDateTime, Date, and Instant—providing a handy reference for developers working with the Java Time API.

DurationJavaLocalDateTime
0 likes · 15 min read
Master Java Date & Time APIs: Quick Reference for Daily, Weekly, Monthly and Quarterly Operations
Top Architect
Top Architect
Apr 28, 2025 · Backend Development

Replacing MyBatis with MyBatis-Plus: Debugging LocalDateTime Conversion Errors and MySQL Connector Upgrades

The article walks through migrating an old MySQL‑5.7 project from MyBatis 3.5.0 to MyBatis‑Plus 3.1.1, diagnosing a LocalDateTime conversion exception caused by an outdated mysql‑connector‑java driver, and resolves it by upgrading the driver version, highlighting the need for careful component compatibility checks.

Backend DevelopmentJavaLocalDateTime
0 likes · 10 min read
Replacing MyBatis with MyBatis-Plus: Debugging LocalDateTime Conversion Errors and MySQL Connector Upgrades
Java Tech Enthusiast
Java Tech Enthusiast
Dec 6, 2024 · Backend Development

Migrating MyBatis to MyBatis-Plus: Debugging LocalDateTime Conversion Issues

When migrating an old Java project from MyBatis 3.5.0 to MyBatis‑Plus 3.1.1, a test failed with “Conversion not supported for type java.time.LocalDateTime” because MyBatis 3.5.1 stopped handling Java 8 time types and the existing mysql‑connector‑java 5.1.26 driver lacked support, which was resolved by upgrading the connector to version 5.1.37 or later, highlighting the need for thorough compatibility testing during framework upgrades.

JavaLocalDateTimeMyBatis
0 likes · 7 min read
Migrating MyBatis to MyBatis-Plus: Debugging LocalDateTime Conversion Issues
Java Architect Essentials
Java Architect Essentials
Jun 18, 2024 · Backend Development

Resolving MyBatis‑Plus LocalDateTime Conversion Errors by Upgrading MySQL Connector

This article explains why replacing MyBatis with MyBatis‑Plus caused a LocalDateTime conversion exception, identifies the root cause as an outdated mysql‑connector‑java version, and shows how upgrading the connector (to 5.1.37 or later) resolves the issue while providing code examples and debugging steps.

Backend DevelopmentJavaLocalDateTime
0 likes · 16 min read
Resolving MyBatis‑Plus LocalDateTime Conversion Errors by Upgrading MySQL Connector
Java Architect Essentials
Java Architect Essentials
May 27, 2024 · Backend Development

Why MyBatis‑Plus Fails with LocalDateTime and How to Fix It

An old Java project using MySQL, MyBatis, and an outdated mysql‑connector‑java driver encounters a “Conversion not supported for type java.time.LocalDateTime” error after swapping MyBatis for MyBatis‑Plus; the article walks through reproducing the issue, analyzing MyBatis version changes, upgrading the JDBC driver, and fixing subsequent bugs.

DebuggingJavaLocalDateTime
0 likes · 9 min read
Why MyBatis‑Plus Fails with LocalDateTime and How to Fix It
macrozheng
macrozheng
Apr 28, 2024 · Backend Development

How to Seamlessly Replace MyBatis with MyBatis-Plus and Fix LocalDateTime Errors

This article walks through migrating an existing MySQL‑based Java project from MyBatis 3.5.x to MyBatis‑Plus 3.1.1, diagnosing the LocalDateTime conversion exception, upgrading mysql‑connector‑java, handling subsequent null‑pointer issues, and learning from a related file‑validation bug to emphasize thorough testing during component upgrades.

Connector-JavaDebuggingJava
0 likes · 9 min read
How to Seamlessly Replace MyBatis with MyBatis-Plus and Fix LocalDateTime Errors
Architecture Digest
Architecture Digest
Apr 22, 2024 · Backend Development

Migrating from MyBatis to MyBatis-Plus: Resolving LocalDateTime Conversion Errors and Lessons Learned

This article walks through replacing MyBatis with MyBatis‑Plus in a legacy Java project, demonstrates the LocalDateTime conversion error caused by MySQL‑connector‑java version incompatibility, shows how upgrading the driver resolves the issue, and shares a cautionary tale about unintended bugs after component upgrades.

JavaLocalDateTimeMyBatis
0 likes · 15 min read
Migrating from MyBatis to MyBatis-Plus: Resolving LocalDateTime Conversion Errors and Lessons Learned
dbaplus Community
dbaplus Community
Apr 2, 2024 · Backend Development

Why MyBatis‑Plus Upgrade Triggers LocalDateTime Errors and How to Fix Them

A legacy Java project using MySQL, MyBatis 3.5.0, and an old mysql‑connector‑java version encounters a Conversion not supported for java.time.LocalDateTime error after switching to MyBatis‑Plus, and the article walks through root‑cause analysis, version upgrades, and practical fixes.

JavaLocalDateTimeMyBatis
0 likes · 14 min read
Why MyBatis‑Plus Upgrade Triggers LocalDateTime Errors and How to Fix Them
Java Architect Essentials
Java Architect Essentials
Mar 28, 2024 · Backend Development

Why Switching MyBatis to MyBatis‑Plus Triggers LocalDateTime Errors—and How to Resolve Them

This article walks through replacing MyBatis with MyBatis‑Plus in a legacy Java project, uncovers the root cause of a LocalDateTime conversion error caused by MyBatis 3.5.1 and an outdated MySQL connector, demonstrates version upgrades and code fixes, and shares a related production bug and its remediation.

BackendJavaLocalDateTime
0 likes · 15 min read
Why Switching MyBatis to MyBatis‑Plus Triggers LocalDateTime Errors—and How to Resolve Them
Java Captain
Java Captain
Mar 7, 2024 · Backend Development

Replacing MyBatis with MyBatis-Plus: Troubleshooting LocalDateTime Conversion Issues and Version Compatibility

This article details the migration from MyBatis to MyBatis-Plus in a Java project, explains the LocalDateTime conversion exception caused by MyBatis 3.5.1 and an outdated mysql‑connector‑java driver, and outlines the step‑by‑step fixes including driver upgrades and lessons learned from a separate file‑generation bug.

Backend DevelopmentJavaLocalDateTime
0 likes · 14 min read
Replacing MyBatis with MyBatis-Plus: Troubleshooting LocalDateTime Conversion Issues and Version Compatibility
macrozheng
macrozheng
Apr 16, 2020 · Backend Development

How to Simplify Date Formatting in Spring Boot: Global Config & @JsonFormat Tricks

This article shares practical techniques for handling date and time in Spring Boot projects, including the pitfalls of using SimpleDateFormat, the benefits of @JsonFormat, and two approaches to global configuration that streamline formatting for both java.util.Date and java.time types.

@JsonFormatBackend DevelopmentDate Formatting
0 likes · 9 min read
How to Simplify Date Formatting in Spring Boot: Global Config & @JsonFormat Tricks