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Meeting Schedule and Attendance

DSpace Developer meetings are a time when Committers and interested Developers can discuss new software features, upcoming releases of DSpace software, and generally plan out the roadmap of DSpace. All meetings are public. We welcome anyone and everyone to attend, speak their opinions or just listen in on the discussions. Please note that we archive all discussions (see Meeting Archives), as a service for those who are unable to attend.

DSpace Developer meetings take place on the following schedule:

You can also subscribe to the meeting schedule via the DuraSpace Public Events Calendar (iCal, RSS Feed).

Meeting topics often include:

  • Recent updates on upcoming DSpace releases, bug fixes or features
  • Reviewing of recent reported issues/bugs/feature requests (see JIRA Cleanup Sessions for more info)
  • Occasionally we vote or make decisions on upcoming DSpace technology plans/roadmap (see Developer Voting Procedures for more info)

If you are unable to attend a meeting, please feel free to add your own notes/comments to the meeting's wiki page.

Developers Meeting on Weds, Aug 2, 2017

 

Today's Meeting Times

Agenda

Quick Notes / Reminders

  • NEXT DSpace 7 UI MEETING: TOMORROW, Aug 3 at 15:00 UTC (11:00am EDT) in Google Hangouts

Discussion Topics

  1. DSpace 6.2 Immediate Release to fix Hibernate issues:

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    2. Unable to locate Jira server for this macro. It may be due to Application Link configuration.
    3. Unable to locate Jira server for this macro. It may be due to Application Link configuration.
    4. Unable to locate Jira server for this macro. It may be due to Application Link configuration.  (Not a hibernate specific issue, but an important bug that seems to have been surfaced in 6.1)
    5. Any other very obvious wins to "dspace-6_x" branch? https://github.com/DSpace/DSpace/pulls?utf8=%E2%9C%93&q=is%3Apr%20is%3Aopen%20base%3Adspace-6_x%20
  2. Discussion of DB Connections in DSpace 6 (Hibernate) vs DSpace 5.
    1. In DSpace 5, each "Context" established a new DB connection. Context then committed or aborted the connection after it was done (based on results of that request).  Context could also be shared between methods if a single transaction needed to perform actions across multiple methods.
    2. In DSpace 6, Hibernate manages the DB connection pool.  Each thread grabs a Connection from the pool. This means two Context objects could use the same Connection (if they are in the same thread). In other words, code can no longer assume each new Context() is treated as a new database transaction.
      1. This is what we saw in DS-3659, two separate Context objects used the same connection, and one accidentally rolled back the changes of a previous Context (because they were in the same thread).
      2. Should we be making use of SessionFactory.openSession() for READ-ONLY Contexts (or any change of Context state) to ensure we are creating a new Connection (and not simply modifying the state of an existing one)?  Currently we always use SessionFactory.getCurrentSession() in HibernateDBConnection, which doesn't guarantee a new connection: https://github.com/DSpace/DSpace/blob/dspace-6_x/dspace-api/src/main/java/org/dspace/core/HibernateDBConnection.java

  3. DSpace 6.3? Release Planning: A few main options for the 6.2 were discussed last week (http://irclogs.duraspace.org/index.php?date=2017-07-26)

    1. A formally planned 6.3 release. This would necessitate a 6.2 Release Team (ideally of 2 or more volunteers), one or more Release Candidate(s), possibly a mini-Testathon. It'd have the advantage of providing a more thorough bug-fix release, but would require more effort to achieve this.
    2. An ad-hoc, quick 6.3 release.  This would essentially be more like 6.1 (but less large in size). We'd scope 6.2 to a "major bug fix" release, and just fix the major bugs discovered in 6.1 (ideally after further testing by DCAT or similar).  It'd have the advantage of being (likely) more rapid release (hopefully allowing developers to work in parallel on 7.0), but it may not be as thorough.
    3. A quick 6.3 with a formally planned 6.4: This is a combo of the above approaches.  It'd provide the benefits of a quick 6.2 release, but it'd necessitate finding volunteers to manage a 6.3 (perhaps later in the year, timeline TBD).

  4. DSpace High Priority Tickets

    1. High Priority (Blocker, Critical or Major) and flagged for release

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    2. Need Code Review, Flagged for Release

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  5. DSpace + Spring: Slack Discussion on whether DSpace codebase should move more towards the Spring way of doing things (e.g. Dependency Injection via beans) or the traditional DSpace patterns (e.g. classloaders with little DI).
    1. This was asked on dspace-devel: https://groups.google.com/d/msg/dspace-devel/oBWibfQUXzI/y05K-wpLAgAJ
  6. DS-3372 and DS-3587: discussion required, should we add more SQL dialect support? MySQL, MS SQL? Are we ready to support, test and maintain these dialects in the future?
    1. Also asked on dspace-devel: https://groups.google.com/d/msg/dspace-devel/UfTU7AFZjs0/UOgiSnJKAgAJ
  7. Other Tickets needing discussion (Please feel free to add any you wish to discuss under this topic)
  8. Reviewing JIRA Tickets or PRs
    1. Please feel free to bring any that need eyes / immediate discussion
    2. JIRA Backlog of "Received" tickets
    3. All open PRs

Ticket Summaries

  1. Help us test / code review! These are tickets needing code review/testing and flagged for a future release:

    key summary type created updated assignee reporter priority status fixversions

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  2. Newly created tickets this week:

    key summary type created assignee reporter priority status

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  3. Old, unresolved tickets with activity this week:

    key summary type created updated assignee reporter priority status

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  4. Tickets resolved this week:

    key summary type created assignee reporter priority status resolution

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  5. Tickets requiring review. This is the JIRA Backlog of "Received" tickets: 

    key summary type created updated assignee reporter priority

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Meeting Notes

Meeting Transcript

 

Meeting Archives

Notes and Transcripts from all recent Developers Meetings are available off of the Developer Meeting Archives page.

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