Upgrade to Pro — share decks privately, control downloads, hide ads and more …

From Spring Boot 2 To Spring Boot 3 - And What’s Jakarta EE Got to Do With It?

From Spring Boot 2 To Spring Boot 3 - And What’s Jakarta EE Got to Do With It?

Jakarta EE 9 changed its package namespace from javax.* to jakarta.*. This may sound like a trivial change that mostly affects Jakarta EE. So, why should Spring developers care?
As it turns out, the namespace changes ripple throughout the entire Java ecosystem. And Spring is no exception. Spring Framework 6 and Spring Boot 3 raised their baseline to Jakarta EE 9 API level, which is supported by Tomcat 10 and Jetty 11, for example. Attending this session will teach you how to make this migration as smooth as possible.
A live coding demo will take you through the steps involved, and point out where to pay special attention. We will also briefly examine some of the changes planned for Jakarta EE 11 that will prepare you for what to expect in future versions of Spring.

ivargrimstad

June 29, 2023
Tweet

More Decks by ivargrimstad

Other Decks in Programming

Transcript

  1. Ivar Grimstad

    Jakarta EE Developer Advocate
    Eclipse Foundation
    From Spring Boot 2 To Spring Boot 3


    And What’s Jakarta EE Got to Do With It?

    View Slide

  2. @ivar_grimstad
    https://github.com/ivargrimstad
    https://www.linkedin.com/in/ivargrimstad
    @[email protected]
    ivargrimstad_of
    fi
    cial

    View Slide

  3. View Slide

  4. COPYRIGHT (C) 2023, 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

    View Slide

  5. 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

    View Slide

  6. 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

    View Slide

  7. 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

    View Slide

  8. COPYRIGHT (C) 2023, 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!!

    View Slide

  9. COPYRIGHT (C) 2023, 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
    ?

    View Slide

  10. javax.* -> jakarta.*

    View Slide

  11. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    builds on

    View Slide

  12. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    javax.* -> jakarta.*

    View Slide

  13. 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

    View Slide

  14. Hibernate ORM

    View Slide

  15. UUID as Basic Java Type
    @Entity


    public class Item {




    @Id


    @GeneratedValue(strategy=GenerationType.UUID)


    private java.util.UUID id;


    private String description;





    }

    View Slide

  16. 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

    View Slide

  17. Hibernate Validator

    View Slide

  18. 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

    View Slide

  19. Eclipse Jetty Apache Tomcat

    View Slide

  20. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Demo

    View Slide

  21. COPYRIGHT (C) 2023, 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

    View Slide

  22. Spring Boot 3


    +


    Tomcat 9
    duke-spring
    Spring Boot 3


    +


    Tomcat 10
    duke-spring

    View Slide

  23. COPYRIGHT (C) 2023, 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

    View Slide

  24. Spring Boot 2 Spring Boot 3
    duke-boot
    duke-boot

    View Slide

  25. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    javax.* -> jakarta.*

    View Slide

  26. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    IDE

    View Slide

  27. View Slide

  28. COPYRIGHT (C) 2023, 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

    View Slide

  29. COPYRIGHT (C) 2023, 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

    View Slide

  30. Spring Boot 2
    duke-boot
    duke-dep
    Spring Boot 3
    duke-boot
    duke-dep

    View Slide

  31. duke-dep
    Source

    View Slide

  32. Spring Boot 2
    duke-boot
    duke-dep
    Spring Boot 3
    duke-boot
    duke-dep
    2.0
    1.0

    View Slide

  33. COPYRIGHT (C) 2023, 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

    View Slide

  34. COPYRIGHT (C) 2023, 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 External Dependencies

    View Slide

  35. Spring Boot 2
    duke-boot
    duke-dep duke-lib
    Spring Boot 3
    duke-boot
    duke-dep duke-lib

    View Slide

  36. Source
    duke-dep
    Source
    duke-lib

    View Slide

  37. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Transformation

    View Slide

  38. Eclipse Transformer Apache Tomcat Migration Tool
    b.com/eclipse/transformerhttps://tomcat.apache.org/download-migration.cgi

    View Slide

  39. 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

    View Slide

  40. COPYRIGHT (C) 2023, 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

    View Slide

  41. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Additional Migration
    Steps

    View Slide

  42. COPYRIGHT (C) 2023, 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

    View Slide

  43. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Beyond 10

    View Slide

  44. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Jakarta EE 11
    Coming Q1, 2024

    View Slide

  45. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Release Cadence

    View Slide

  46. COPYRIGHT (C) 2022, 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/
    NEW

    View Slide

  47. COPYRIGHT (C) 2022, 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

    View Slide

  48. COPYRIGHT (C) 2022, 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/
    NEW

    View Slide

  49. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Jakarta EE 11


    API source level: Java SE 17 or 21
    API binary level: Java SE 17 or 21
    TCK run with: Java SE 21
    Work in
    Progress

    View Slide

  50. 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) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    Summary

    View Slide

  51. 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

    View Slide

  52. 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

    View Slide

  53. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    How is Relevant


    to

    View Slide

  54. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    builds on

    View Slide

  55. COPYRIGHT (C) 2023, ECLIPSE FOUNDATION, INC. | THIS WORK IS LICENSED UNDER A CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE (CC BY 4.0)
    javax.* -> jakarta.*

    View Slide

  56. COPYRIGHT (C) 2023, 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

    View Slide

  57. 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

    View Slide

  58. Jakarta EE Overview
    Course available on

    View Slide