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VERSION 2.1.0 FINAL RELEASED

The latest version 2.1.0 of the Imixs Workflow and the Imixs Java EE Workflow components are now final released! The new version includes a bunch of updates and new features.

Also the 2.1.0 release is now supporting Java EE 6 and is tested with Glassfish V3 Application Server! Therefor the deployment is simplified and now it is much more easy to use the components in your own Java EE project. It’s easy to integrate the Imixs Workflow Engine into your web project and build a scalable, transactional, robust and simple deployable Java EE Workflow System.

Check out the Imixs Workflow and build your business application in a fast and easy way now.

Read more about the project on the Imixs Project site.

Or read the Quick guide how to install the sample application on a Glassfish V3 or Glassfish V2.1 application server.

We also provide a blog with a tutorial to get an overview about the project.

Also components of the Imixs Workflow Project are now provided as Maven artifacts in the central maven repository. This makes it much more easy to use the components in your projects if you are working with maven.

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ORACLE-FIX 2.0.1

Running the latest stable release of the Imixs JEE Workflow components (imixs-workflow-jee-impl-2.0.1) on a Oracle database can lead into a situation where users did not find any entities or can process new workitems.

The reason for this issue is a query optimizer used in one of the core EJBs. The Problem did not occur on MySQL Database Pools but on Oracle Database Pools.

To fix this problem please use on oracle based workflow systems the following hot fix release:

imixs-workflow-jee-impl-2.0.1-ORACLE-FIX

This patch is available in the subversion repository in /branches. Please let us know if you have any problems. The bug will be fixed in upcoming new 2.0.2 release. Please see also details at Issue Tracker Issue #55.

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RELEASE 2.0.2 – ENHANCED WEB SERVICES

In the upcoming new release 2.0.2 the Imixs JEE Workflow provides – among other things a new Web Service implementation which will become much more flexible. Now as the Imixs XML API is fully based on JAXB the SOAP Web Services and the REST Web Services are separated into web modules. This makes is much more easy to use these interfaces in workflow projects as the deployment strategy has changed. As announced the new release will run on JEE5 (Glassfish 2.1) as also under JEE6 (Glassfish 3). And also the deplyoment becomes more flexible as you are now no longer forced to deploy all web service modules together with your application.

The project documentation will be extended in the near future with an additional section for XML & Web Services.

You can check out the current 2.0.2-SNAPSHOT release from the Subversion repository. See also the new snapshot releases of imixs-workflow-xml, imixs-workflow-rest and imixs-workflow-soap. If you have any comments or questions please post the in the Imixs Forum.

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MANAGING FILE ATTACHMENTS AND LARGE BINARY OBJECTS (BLOB)

In the latest version of the Imixs JSF Tools 2.0.2 we provide a new Controller Bean which allows managing file attachments and large binary objects (BLOB). The new contoller class is called BLOBWorkitemController.

This BLOBWorkitemController is used to store large objects into a single ItemCollection mapped to a EntityBean. The BlobWorkitem is always bounded to a parent workitem by its referrer id ($uniqueidRef). So an application can implement a lazy loading for BLOBWorkitems. The read- and write access settings of BLOBWorkitems are automatically synchronized to the settings of the parent workitem. So the security features of the Imixs Workflow controller are full supported. The Data of a BLOB WOrkitem can be accessed by an embedded Itemcollection which can be loaded and saved throgh the controller bean. This makes it really easy to manage file attachments inside a JSF application. See also more infos and examples on the Imixs JSF-Tools Project Homepage.

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VERSION 2.0.2 ANNOUNCEMENT

We are currently working on the next Release 2.0.2 of the Imixs JEE Workflow Engine. The new release will support JEE6 and Glassfish 3. It includes also extended Rest Service API and some additional bug fixes. See the Issue tracker for more details or check out the current Snapshot Sources.

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Comparison of JBoss JBPM and Imixs-Workflow

If you take a closer look at the Imixs Workflow Project you may ask yourself if the project is different to other Workflow Engines like JBoss JBPM or Activiti. In this blog will try to do a short comparison of JBPM and Imixs-Workflow. This comparison is not in technical detail but it should give an overview about the goals of the two open source projects. First I want to point out that Imixs-Workflow and JBPM are not rivals in the BPM market. Both projects are open source, both projects try to find solutions for similar but not equal problems in business process management and at least, both project use the same Eclipse-BPMN modeling platform.  Continue reading “Comparison of JBoss JBPM and Imixs-Workflow”

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