Adam Bien's Weblog

Number of posts: 752
Number of comments: 2590
On Java FX at java.sun.com
Developer Insight at java.sun.com
On Clouds and Java EE at java.sun.com
www.adam-bien.com

Legally Starting Threads/Synchronizing EJBs - Hell Or Heaven
Free Java EE 6 Workshop - For Students In Bonn
Modules, Cycles, Unwanted Friends - The Modularity Challenges In Enterprise Projects
How To Kill An OSGi Project - With 10 Questions
Killing Some Bloat in Gothenburg - With Java EE 6
What Is www.sun.com/ponytails/ ?
Best of 2009 - Most Popular Posts (Dead DAOs, Bloat Without EJBs, Java EE vs. Spring, VOs vs. DTOs)
Oracle Data Sheet About ...Glassfish
Jigsaw / JDK 1.7 will be the solution for 80% of the modularization challenges
Simplest Possible EJB 3.1 Timer - Configured Programmatically
Spring vs. Vanilla Java EE, Real World Java EE Workshop and The Perfect Storm
Java FX App on the official winter olympics site
Glassfish v3 in an (opensolaris) zone ...an interesting error and solution
Simplest Possible EJB 3.1 Timer
bad pbr sig - and a simple solution
kenai.com is dead - long live kenai (under different name)
Object Pooling Can Be Still Useful - For Entirely Different Reasons
Free JUG Session In Hamburg - Real World Java EE Patterns - Rethinking Best Practices
Sun + Oracle, NetBeans, Glassfish, JavaOne and the Death of Kenai
JDeveloper vs. NetBeans - The Poll Results
Sun + Oracle = Snorcle?
Sun And Oracle - The Deal Is Approved
My Opinion About Java FX
Do We Need Stateless Session Bean Pooling?
If your Glassfish v2.1 won't start...
JavaONE 2010? Seems Like It Will Take Place.
What is the difference between pooling and caching?
NetBeans Is Very Poplular In Germany - Only 4 % Behind Eclipse
A Good 12 Minutes, NetBeans 6.8 Editor Screencast
Java EE 6 And The JCP Stuff - Perfect For Lazy Developers
What Is The Relation Between JSR-299 and JSR-330 In Java EE 6? Do We Need Two DI APIs?
Top 5 Posts Of November - NetBeans 6.8, Sudden Death of Enterprise Projects, Jigsaw And Java EE 6 Kilobyte Deployment
Looking Back: 2009 From An Independent Consultant Perspective
A Nice WebStart-able (Java) Image Viewer
Some Screenshots Of The JavaFX Composer Tool
I'm a "Most Valuable Blogger" (MVB) at Dzone.com!
Why You Should File Bugs - The Glassfish Case
W-JAX 2009 Sessions And Workshop Evaluation Results
Five Features That Make NetBeans 6.8 My IDE of Choice
The Perfect Christmas Gift - From The Strategic Perspective
Why You Should File Bugs - The NetBeans Case
Real World Java EE Patterns - Rethinking Best Practices Book Is Back On Amazon.de
EJB 3.1 Killed The Backing Beans Or JSF 2, EJB 3.1, JSR-330 - The Perfect Synergy
Java EE 6 Observer Pattern / Events With CDI (JSR-299/JSR-330) and EJB 3.1
9 Reasons Why Java EE 6 Will Save Real Money - Or How To Convince Your Management
Java FX Composer / Designer for NetBeans 6.8 - First Smoke Test
NetBeans 6.8 Java FX Editor For Production? - First Smoke Test
New Free Java EE 6 Tutorial And Screencast
NetBeans Is Doing Well In The IDEs QuickVote
Java FX Composer / Designer for NetBeans 6.8 - First Screenshots and Tutorial
Glassfish v3 - The Killer Java EE 6 Appserver Is Out - Top Ten Favorites
Java EE 6 / EJB 3.1 / JSF 2.0 WAR Modularization With Maven - Concrete Sample
Is Java EE 6 War The New EAR? The Pragmatic Modularization And Packaging
JSF 1.X Backing Bean - EJB 3 Dependency Injection, (Glassfish) "Problem" and Solution
Simplest Possible EJB 3.1 + JSR-299/JSR-330 Combination
NetBeans 6.8 RC1 - Useful Improvements, New REST Wizard, @Inject available
The "Two Minutes To Midnight" Strategy In Software Development
Modularization (Jigsaw), Multi-Catch And Probably Closures Will Make Into JDK 1.7
Are Naming Conventions For JUnit 4+ Still Needed?
Upcoming (2009-2010) Java EE 5/6 Workshops and Events - Some Free
...and the Adoption Of EJB 3 / Java EE is:
Best Of October - JSF Without EJB = Bloat (17k), JSF 2 with NB 6.8 (10k), NB Features (7k)
Java EE 6 Kills The WAR-Bloat - The KiloByte Deployment
How To Pass Context Between Layers With ThreadLocal And EJB 3.(1)
Fire And Forget. Without JMS. With EJB 3.1 and 8KB WAR File
Useful Production And Development Glassfish v3 JMS Monitoring Capabilities
Sudden Death Of Enterprise Projects?
How To Expose And Inject A POJO ...Into An EJB 3
Oracle's Official NetBeans, Glassfish, VirtualBox Plans
Two Amazing NetBeans 6.8Beta Features
HA Without Clustering?
Is Glassfish v3 Ready For Production?
Upcoming (2009-2010) Java EE 5/6 Workshops and Events - Some Free
Loading Lazy (JPA) Relations - With (J)Xpath
IntelliJ (jetbrains.org) Is OpenSource - Use It For Free!
How To Pass Context In Standard Way - Without ThreadLocal
RESTFul Calculator With JavaScript And ...EJB 3.1
Best Of September - Oracle And NetBeans (19k) And Java EE Or .NET (13k)
What Is JavaOne? (it is not the conference, but compatible)
NetBeans 6.8 m2 - Some Cool + Lightweight Java EE 6 Stuff
Geek Funeral In A SPARCStation
JSF 2 + JPA 2 + EJB 3.1 Scaffolding With Netbeans 6.8 in 3 Steps - And The Code Is Even Usable
(JSF + JPA) - EJB = Bloat
Will Moores Law Kill Public Clouds?
Does HTTPSession, Stateful Session Bean Replication / Clustering Actually Work In The Practice?
Embedding EJB 3.1 Container Into Your Unit Tests - Boot Time: 5 Seconds
kenai.com For Private Clouds / Commercial Offerings? The Guerilla Infrastructure 1.0
Ellison: Oracle won't spin off MySQL
No Duplication, No Decoupling - The Generic Data Transfer Object
How To Remove All .svn Files With An One-Liner (Bash)
Building Perfect Anti-Facades - Almost Without Layers, For Better Maintainability
The Only Reason To Use Curly Brackets Blocks For IF-Statements
Abstract, If, Impl, Default, Bean Conventions - Just For Lazy Developers
Glassfish At Oracle World OpenWorld Conference
Wicket 1.4, Too many path parts... Exception, Reason And Workaround
How To Install Oracle JDeveloper (with Java EE support) On Snow Leopard
Are Naming Conventions Still Needed For Abstract Classes?
Sun And Oracle To Announce FlashFire
NetBeans Got An Excellent toString Generator
The Oracle Message To IBM is Clear

Michael Bien wrote:

all we need is a standardized 'ThreadPoolManager' returning the appserver's implementation of an ExecutorService ;)

Adam Bien wrote:

@ALR,

interesting pointer. But in either way it wouldn't be portable. A very lean JCA would also do the job in portable way.

Ex[...]

Andrew Lee Rubinger wrote:

Note that there are mechanisms around this. In JBossAS for instance, the Application Server makes available a project called "JBoss Threads&[...]

Andrew Lee Rubinger wrote:

Adam:

Because @Singleton lets you manage your concurrency policy, but not the Thread itself. Imagine the app developer starts a non-daem[...]

Adam Bien wrote:

@ALR,

absolutely no-no. Never used threads so far in the EJBs. But why not allow them in @Singleton BMC.Bean?

thanks for your c[...]

Andrew Lee Rubinger wrote:

Interesting discussion.

But to me when you use a container, you surrender the right to runtime services like threading. The idea of EJB [...]

Adam Bien wrote:

@Michael,

you can absolutely do that - in Servlets, CDI and in JCA. The EJB 3.1 spec does not allow it formally - but it works in most ca[...]

michael bien wrote:

There are several usecases for this as soon you have to solve problems with finer granularity as sessions (or even tasks in general) e.g. computat[...]

Adam Bien wrote:

@Rolf,

thought about your comment again :-). My reasoning is:
The worst possible thing, which may occur is not inefficiency, but in[...]

Adam Bien wrote:

Rolf,

you are actually right. Bean Managed Concurrency was intended just for synchronization (synchronized, volatile etc.) purposes.

[...]

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