The Taverna team are pleased to announce the release of Taverna Server 2.4.
This release is a feature-complete version of the Taverna 2 Server
that is provided as a basis for deployments of server-ized Taverna in
a multi-user environment. This version of the Server is based on the
Taverna 2.4 codebase. Detailed documentation for the Server is
available on-line at
http://www.mygrid.org.uk/dev/wiki/display/taverna/Taverna+Server+2.4
In addition to its improved performance, this release supports a
number of new key features:
Based on Taverna 2.4
Multiple users, with strong separation between them.
Limited persistence over service restarts, depending on exact
deployment.
Workflow run introspection capabilities; clients can ask the
server what inputs they should supply and what outputs were
provided.
Workflow run termination notifications through multiple mechanisms
(RSS feed, email, SMS, twitter, etc. depending on deployment).
Security, both of access to the service and access by the workflow
runs to other services.
Administrative REST interface including resource accounting
Streaming of large files both for download and upload.
This is in addition to the features supported by the previous version of
Taverna 2 Server:
Upload and Execution of arbitrary Taverna 2 workflows
Access to Workflow’s Interim Output Files; no need to wait for the
workflow to finish if the results are available sooner
Safe File Management for handling results; workflows cannot
interfere with each others files
Simple mechanism for Removal of Expired Workflows
Support for both RESTful and SOAP APIs, for easier tooling
JMX-based Management API
A Ruby Gem for interfacing to the Server via its REST interface is
available. A Virtual Machine and Demonstrator Interface will be
released soon. For more information see
http://www.taverna.org.uk/download/server/client-side-stuff/
Specific Issues Addressed in This Release
=========================================
TAVSERV-224 Ability to pass configuration parameters to the command
line
executor
TAVSERV-226 Odd webapp authentication behaviour!
TAVSERV-228 Wrong title and missing documentation link on index page
Future improvements
===================
There remain a number of known-missing features; notably these include
access to:
Provenance Database
Workflow Execution Model
Installation
============
Download Taverna Server 2.4 war from
https://launchpad.net/taverna-server/2.x/2.4/+download/server-webapp-2.4.war
and follow the installation instructions at
http://www.mygrid.org.uk/dev/wiki/display/taverna/Installation+and+Configuration
System Requirements
===================
Operating system
The Server can currently be installed on Linux and MAC OS.
Java
You will need a Java 6 installation. You can download Java from Sun
Microsystems.
WebApp container
You will need a suitable servlet container.
The Server has been developed using Tomcat 6.0.26 as the servlet
container, but other versions of Tomcat are known to work (back to at
least 6.0.20) and other containers may also function correctly as no
Tomcat-specific APIs are used in the deployable code. We welcome
feedback on which containers work, as well as on how to configure them
(if they are not Tomcat versions).
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