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From Spring Boot 2 To Spring Boot 3
with Java 21 and Jakarta EE
Ivar Grimstad
Jakarta EE Developer Advocate
Eclipse Foundation
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https://github.com/ivargrimstad
https://www.linkedin.com/in/ivargrimstad
@[email protected]
ivargrimstad_of
fi
cial
@ivar_grimstad
https://www.threads.net/@ivargrimstad_of
fi
cial
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No content
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Speci
fi
cation
Document
API
TCK
Final Speci
fi
cation
Compatible
Implementation(s)
Speci
fi
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Jakarta EE 10 Web Pro
fi
Jakarta EE 10 Platform
Updated
Not Updated
New
Authorization 2.1
Activation 2.1
Batch 2.1
Connectors 2.1
Mail 2.1
Messaging 3.1
Enterprise Beans 4.0
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
Servlet 6.0
Server Pages 3.1
Expression Language 5.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.0
WebSocket 2.1
Enterprise Beans Lite 4.0
Persistence 3.1
Transactions 2.0
Managed Beans 2.0
CDI 4.0
Authentication 3.0
Concurrency 3.0
Security 3.0
Bean Validation 3.0
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Jakarta EE 10 Core Pro
fi
Jakarta EE 10 Web Pro
fi
le
Updated
Not Updated
New
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
Servlet 6.0
Server Pages 3.1
Expression Language 5.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.0
WebSocket 2.1
Enterprise Beans Lite 4.0
Persistence 3.1
Transactions 2.0
Managed Beans 2.0
CDI 4.0
Authentication 3.0
Concurrency 3.0
Security 3.0
Bean Validation 3.0
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Jakarta EE 10 Core Pro
fi
le
Updated
Not Updated
New
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Jakarta EE 10
API source level: Java SE 11
API binary level: Java SE 11
TCK run with: Java SE 11+17
App Developers (YOU) can use Java SE 17 features if you like!!
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
How is this Relevant
to
?
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javax.* -> jakarta.*
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
builds on
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
javax.* -> jakarta.*
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Authorization 2.1
Activation 2.1
Batch 2.1
Connectors 2.1
Mail 2.1
Messaging 3.1
Enterprise Beans 4.0
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
Servlet 6.0
Server Pages 3.1
Expression Language 5.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.0
WebSocket 2.1
Enterprise Beans Lite 4.0
Persistence 3.1
Transactions 2.0
Managed Beans 2.0
CDI 4.0
Authentication 3.0
Concurrency 3.0
Security 3.0
Bean Validation 3.0
Jakarta EE 10 Web Pro
fi
le
Updated
Not Updated
New
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Hibernate ORM
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UUID as Basic Java Type
@Entity
public class Item {
@Id
@GeneratedValue(strategy=GenerationType.UUID)
private java.util.UUID id;
private String description;
…
}
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Authorization 2.1
Activation 2.1
Batch 2.1
Connectors 2.1
Mail 2.1
Messaging 3.1
Enterprise Beans 4.0
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
Servlet 6.0
Server Pages 3.1
Expression Language 5.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.0
WebSocket 2.1
Enterprise Beans Lite 4.0
Persistence 3.1
Transactions 2.0
Managed Beans 2.0
CDI 4.0
Authentication 3.0
Concurrency 3.0
Security 3.0
Bean Validation 3.0
Jakarta EE 10 Platform
Updated
Not Updated
New
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Hibernate Validator
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Authorization 2.1
Activation 2.1
Batch 2.1
Connectors 2.1
Mail 2.1
Messaging 3.1
Enterprise Beans 4.0
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
Servlet 6.0
Server Pages 3.1
Expression Language 5.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.0
WebSocket 2.1
Enterprise Beans Lite 4.0
Persistence 3.1
Transactions 2.0
Managed Beans 2.0
CDI 4.0
Authentication 3.0
Concurrency 3.0
Security 3.0
Bean Validation 3.0
Jakarta EE 10 Platform
Updated
Not Updated
New
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No content
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Eclipse Jetty Apache Tomcat
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Demo
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
New Spring App
Scenario 1
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Spring Boot 3
+
Tomcat 9
duke-spring
Spring Boot 3
+
Tomcat 10
duke-spring
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Upgrade Spring App
Scenario 2
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Spring Boot 2 Spring Boot 3
duke-boot
duke-boot
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
javax.* -> jakarta.*
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
IDE
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No content
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docs.openrewrite.org/recipes/java/migrate/jakarta
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
1. Update Spring version in pom.xml
2. Update Jakarta EE version in pom.xml
3. Fix the imports
https://github.com/ivargrimstad/jakartaee-spring
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Upgrade Spring App
Scenario 3
with Dependencies
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Spring Boot 2
duke-boot
duke-dep
Spring Boot 3
duke-boot
duke-dep
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duke-dep
Source
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Spring Boot 2
duke-boot
duke-dep
Spring Boot 3
duke-boot
duke-dep
2.0
1.0
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
1. Update Spring version in pom.xml
2. Update Jakarta EE version in pom.xml
3. Fix the imports
4. Repeat for Dependencies
https://github.com/ivargrimstad/jakartaee-spring
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Upgrade Spring App
Scenario 4
with Transitive Dependencies
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Spring Boot 2
duke-boot
duke-dep duke-lib
Spring Boot 3
duke-boot
duke-dep duke-lib
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Source
duke-dep
Source
duke-lib
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Transformation
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Eclipse Transformer Apache Tomcat Migration Tool
b.com/eclipse/transformerhttps://tomcat.apache.org/download-migration.cgi
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Eclipse Transformer
https://github.com/eclipse/transformer
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Spring Boot 2
duke-boot
duke-dep duke-lib
Spring Boot 3
duke-boot
duke-dep duke-lib
2.0
1.0 2.0
1.0
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
1. Update Spring version in pom.xml
2. Update Jakarta EE version in pom.xml
3. Fix the imports
4. Repeat for Dependencies
5. Transform Libraries if necessary
https://github.com/ivargrimstad/jakartaee-spring
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Additional Migration
Steps
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
1. Update Spring version in pom.xml
2. Update Jakarta EE version in pom.xml
3. Fix the imports
4. Repeat for Dependencies
5. Transform Libraries if necessary
6. Rename properties pre
fi
xed with javax
7. Verify data and dynamic content
https://github.com/ivargrimstad/jakartaee-spring
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Java 21
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Beyond 10
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Jakarta EE 11
H1, 2024
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Release Cadence
~6-9 Months after the latest LTS of Java
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Jakarta Data
Standardizes the repository pattern for data access
https://jakarta.ee/speci
fi
cations/
NEW
in
Jakarta EE 11
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Jakarta NoSQL
Standardizes integration with NoSQL databases
https://jakarta.ee/speci
fi
cations/nosql/
Prospective
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Jakarta RPC
Standardizes gRPC within Jakarta EE
https://jakarta.ee/speci
fi
cations/rpc/
Standalone
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Jakarta EE 11
API source level: Java SE 17
API binary level: Java SE 17
TCK run with: Java SE 17+21
App Developers (YOU) can use Java SE 21 features if you like !!
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COPYRIGHT (C) 2022, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
Summary
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Jakarta EE 10 Platform
Updated
Not Updated
New
Authorization 2.1
Activation 2.1
Batch 2.1
Connectors 2.1
Mail 2.1
Messaging 3.1
Enterprise Beans 4.0
RESTful Web Services 3.1
JSON Processing 2.1
JSON Binding 3.0
Annotations 2.1
CDI Lite 4.0
Interceptors 2.1
Dependency Injection 2.0
Servlet 6.0
Server Pages 3.1
Expression Language 5.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.0
WebSocket 2.1
Enterprise Beans Lite 4.0
Persistence 3.1
Transactions 2.0
Managed Beans 2.0
CDI 4.0
Authentication 3.0
Concurrency 3.0
Security 3.0
Bean Validation 3.0
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Authorization 3.0
Activation 2.1
Batch 2.1
Connectors 2.1
Mail 2.1
Messaging 3.1
Enterprise Beans 4.0
RESTful Web Services 3.2
JSON Processing 2.1
JSON Binding 3.0
Annotations 3.0
CDI Lite 4.1
Interceptors 2.2
Dependency Injection 2.0
Servlet 6.1
Pages 4.0
Expression Language 6.0
Debugging Support 2.0
Standard Tag Libraries 3.0
Faces 4.1
WebSocket 2.2
Enterprise Beans Lite 4.0
Persistence 3.2
Transactions 2.0
CDI 4.1
Authentication 3.1
Concurrency 3.1
Security 4.0
Validation 3.1
Jakarta EE 11 Platform
Updated
Not Updated
New
Data 1.0
Under Developm
ent
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
How is Relevant
to
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
builds on
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
javax.* -> jakarta.*
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COPYRIGHT (C) 2024, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
1. Update Spring version in pom.xml
2. Update Jakarta EE version in pom.xml
3. Fix the imports
4. Repeat for Dependencies
5. Transform Libraries if necessary
6. Rename properties pre
fi
xed with javax
7. Verify data and dynamic content
https://github.com/ivargrimstad/jakartaee-spring
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Jakarta EE
https://jakarta.ee
Jakartablogs
https://jakartablogs.ee/
Ivar’s Hashtag Jakarta EE
https://www.agilejava.eu/category/jakarta-ee/
Demo Code
https://github.com/ivargrimstad/jakartaee-spring
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Jakarta EE Overview
Course available on