ICT ALMA Common Software

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Connection

  • Doodle: 
  • Date: 2022-10-XX – XX:XX UT
  • Zoom details will be sent out in an e-mail

Participants

  •  

Agenda

Discussion

  • Should ACS forward the cbStop callback to the receivers when coming from the unexpected StartState / StopState states?
    • Unable to locate Jira server for this macro. It may be due to Application Link configuration.
  • Java 17 Upgrade
    • Migration Plans - Java 17 
    • Target is 2023APR
    • Offline docker images should upgrade the provided Java version around the time
    • Applications explicitly defining source/target/release version could be transitioned gradually
  • Java EE / Jakarta EE
    • Migration Plans - Jakarta EE 
    • The proposal is to provide both package version of the APIs with ACS for a transition time (1 or 2 cycles at least)
  • Hibernate 6.x / Spring 6.x
    • This needs to be an observatory-wide transition
    • Hibernate 6 is working fine
    • Spring Framework 6 is working fine
      • Migration Plans - Spring Framework 6
      • Not yet officially released
        • 6.0.0-RC1: Base libraries
        • 6.0.0-M6: Security libraries
        • 5.8.0-M2: Security CAS
        • 3.0.0-RC1: LDAP
      • Small configuration changes + discourage use of HibernateTemplate
        • NullPointerException → Could be fixed by changing some configurations that ended up breaking other parts of the applications
          • The official recommendation is to stop using HibernateTemplate anyway 
        • getHibernateTemplate().<save,delete,get,saveOrupdate,etc.>() → getSessionFactory().getCurrentSession()
        • getHibernateTemplate().execute(...) → getSessionFactory().fromSession(...)
    • TMCDB Explorer as test application
      • Biggest pain was to replace Hibernate Criteria API by JPA's Criteria API
      • Several smaller changes in code and configuration
      • Additional unexpected changes in default configuration values and default behavior
      • After several tweakings, TMCDB Explorer is working fine in all the use cases tested

Short Term (2022DEC)

Mid Term (2023FEB --> 2023APR)

  • Java 17
  • Jakarta EE / Hibernate 6.x / Spring Framework 6.x / Spring Boot 3.x – 2023APR → 2023JUN
  • C++ Modernization
    • Logging Service refactoring/change of technology – 2023FEB → 2023AUG
  • Development and Community OS Support
    • Jenkins Build + Phase A tests
      • Other operating systems?

Long Term (TBD)

  • Java 17 – 2023APR+
    • Will be scheduled for some point during 2023 aiming to Cycle 11 (2024-10 deployment) – 2023APR+
  • Jakarta EE 9+ / Hibernate 6+ / Spring 6+ / Springboot 3+ / Tomcat 10+ (Java-17 and Jakarta EE 9 baseline for spring framework 6) – 2023JUN+
  • ACS Services Modernization
    • ZeroMQ-based BulkData transfer implementation
    • CDB API alternative (REST, SOAP, G-RPC, Falcor, ICE, etc.)
    • Logging system technology replacement (Boost::Log, etc.)
    • Interface Repository (???)
    • Naming Service (???)

De-scoped:

  • Java Modules

Other Input

Not Relevant

Conclusions

2022DEC

* Tentative base for 2022DEC until the meeting has been held

issuekey summary issuetype created updated duedate assignee reporter priority status resolution

Unable to locate Jira server for this macro. It may be due to Application Link configuration.

Priorities

  1. Maintenance
  2. Testing Coverage Work
  3. Component Caller API Security Implementation
  4. NC Implementation Study
  5. Obsolescence Management

Action Items

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