Meandre

Meandre 1.4.7 Released

Boris Capitanu — Tue, 03 Nov 2009 23:12:15 +0000

Meandre 1.4.7 was released today, November 3, 2009. This is the last and most stable release in the 1.4 series before we move onto big changes for the 1.5 series. Version 1.4.7 has a few new features and numerous bug fixes and usability improvements.

As usual, the Download page now points to this stable release:

http://seasr.org/meandre/download/

The raw artifacts are available at the SEASR repository:

http://repository.seasr.org/Meandre/Releases/1.4/1.4.7/

Visible changes since 1.4.5 (Version 1.4.6 was an internal release):

Meandre server can now load flows from the network and then be restarted and run offline.

Improvements to the Meandre Administrative Interface for user accounts.

Allow specification of the port when running a flow from the ZigZag console.

Performance improvement on component installation by using MD5 checksums to check whether a particular resource already exist on the meandre server.

When regenerating, downloading jar files is skipped if they already exist on the meandre server.

Bug fixes.

Meandre 1.4.5 Released

peter — Tue, 19 May 2009 22:13:05 +0000

Meandre 1.4.5 was released today, May 19, 2009. This is (hopefully) the last and most stable release in the 1.4 series before we move onto big changes for the 1.5 series. Version 1.4.5 has a few new features and numerous bug fixes and useability improvements.

As usual, the Download page now points to this stable release:

http://seasr.org/meandre/download/

The raw artifacts are available at the SEASR repository:

http://repository.seasr.org/Meandre/Releases/1.4/1.4.5/

Visible changes since 1.4.4:

Workbench now supports flows written in ZigZag
Workbench can output flows to the .mau format
Bug fixes in the job submission API for flows that finish quickly
Flow RDF representations can be converted to ZigZag
Infrastructure web API and HTML interface added “Publish All” ability
Bug fixes for multiple users running the same flow
Stack trace is now printed for the failing Component when a Flow execution aborts unexpectedly

Meandre overview slides

Xavier Llorà — Thu, 02 Apr 2009 19:00:01 +0000

A new set of Meandre overview slides is available. You can also browse them blow.

Meandre 1.4.4 Released

peter — Wed, 18 Mar 2009 04:52:23 +0000

Meandre-1.4.4 has been released. It is another maintenance release with main improvements in the Eclipse plugin and Windows installation.

The artifacts of the release are available here:

http://repository.seasr.org/Meandre/Releases/1.4/1.4.4/

As always, the new release is available at the Download page:

http://seasr.org/meandre/download/

Visible changes since 1.4.3:

fixed problem in Infrastructure’s jar servlet plugin that was preventing the Eclipse plugin from working properly

upgraded to Eclipse plugin 1.2.9

fixed problem with Windows release zips that sometimes caused strange “unable to create directory” errors, which in turn created incomplete installations.

Components can now access their own ‘run’ resources directory to write files to via the ComponentExecutionContext they receive when executed.

Meandre 1.4.3 released

peter — Fri, 27 Feb 2009 23:27:31 +0000

Another maintenance release is out – Meandre 1.4.3. Download it in the usual place.

Meandre 1.4.2 Released

peter — Wed, 18 Feb 2009 04:37:59 +0000

Version 1.4.2 of the bundled distribution of the Meandre Infrastructure and Tools has been released. This is mainly a bug fix release. It’s available over on the Download page.

Changes:

Bug fixes

New ConfigurableWebUI class (for use by Component developers)

Jobs (Flow Executions) now track which user submitted the job.

Meandre 1.4.0 infrastructure and tools released

Xavier Llorà — Thu, 15 Jan 2009 15:43:59 +0000

We have just pushed the new 1.4.0 release of the Meandre Infrastructure and tools You can download it at the download page. Documentation is available, and inside behind the scenes is also available on our development wiki.

Alpha 1.3 Software Release

Loretta Auvil — Wed, 16 Jul 2008 19:26:09 +0000

The SEASR Team has created an alpha release of infrastructure and components. This release focused on the execution engine, development environments, components, documentation, and examples. The release includes:

Meandre Manager – administration tool for users, flows, and components
Meandre Infrastructure – execution environment
Meandre Development Eclipse plug-in – tool for installing components
Meandre Workbench – visual icon-based programming environment
Meandre Zig-Zag – development scripting language
Community Hub : Keyword Cloud – end-user gateway to published applications (flows)
Component and flow repositories

Our goal with this release was to reach developers who want to create new components and begin application development with the SEASR environment. We encourage you to download and provide us feedback.

To download Meandre, Components and Examples, click here.

Distributed flow execution

Xavier Llorà — Thu, 22 May 2008 14:35:29 +0000

A hot topic for the scalability of Meandre flows is the ability to provide distributed flow execution capabilities. I’ve written some notes about how Meandre approaches this issue here.

Getting 1.3 alpha massaged

Xavier Llorà — Wed, 14 May 2008 14:41:19 +0000

Yup, we are running toward a release. No, I have not heard about the date yet, but we are getting Meandre ready for it. Among other things, we are currently working on:

Fixing known bugs.
Preparing the tools to be easy to install and run.
Finishing documenting the code and the user manual.
Sketching a quick start guide and a tutorial.
Preparing the website.

I guess we can say that something is coming