Thursday, September 13, 2012

Tidbit: Hibernate bashing deluxe

This short speech from JavaZone 2011 is just ingenious! It really made me laugh out lout again and again.
I can fully recommend to watch the video (it's only 9 min), you will be amused, even if you don't know much about hibernate...


Hibernate should be to programmers what cake mixes are to bakers: beneath their dignity. from JavaZone on Vimeo.

Favorite quotes:

Frameworks like Hibernate leave you with pretty much exactly the same amount of work you had to do anyway, only now you are not enjoying it at all.
I present to you: Hibernate - the naked emperor's hairy butt-cheeks!
If Hibernate was a part of your team, you wouldn't even let him anywhere near your database.
We used to write algorithms, now we are writing annotations. Are we meant to be happy about that?

Monday, September 10, 2012

QuickTip: Programmatic MBean access under JBoss

I have been struggeling a bit with the programmatic access of MBeans under JBoss. This is my current conclusion.
With JBoss 5 there are two methods for accessing MBeans:
  • By JNDI-lookup of the RMIAdaptor. With this method you need the JBoss client libraries (the jars in your $JBOSS_HOME/client) on the classpath since the RMIAdaptor is a type that is provided by JBoss.
  • By pure JMX. You don't need the JBoss client libraries your class path here. 

The following snipped shows both methods:

With JBoss 7 the way to access MBeans changed quite a bit: The tricky thing here is, that you need the JBoss client libraries (the jars in $JBOSS_HOME/bin/client) on your classpath even though you don't explicitly import types provided by JBoss.

If the client libraries are missing, you get the following exception: java.net.MalformedURLException: Unsupported protocol: remoting-jmx

As far as I could figure, this is the only way to access MBeans under JBoss 7.

Tuesday, September 4, 2012

/ch/open Workshop-Days 2012

image

Simon and I are holding a workshop about object relational mapping with JPA2 next Thursday at the /ch/open Workshop-Days 2012.

This year is the first time since we are doing this course that the workshop is not fully booked… probably JPA is getting an uninteresting legacy technology?

So if you don't know what to do next Thursday, you can still get a seat in our workshop … however if I am honest I would suggest to have a look at the parallel course "Java EE testing revised with Arquillian" … it looks very promising. I would definitely attend that course, if I had a choice. 

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