hot-deploy

What makes hot deployment a "hard problem"?

At work, we've been having a problem with "PermGen out of memory" exceptions, with the team lead deciding it was a bug in the JVM - something related to hot-deployment of code. Without explaining many details, he pointed out that hot deployment is a "hard problem", so hard that even .NET doesn't do it yet. I found a lot of articles expl...

Achieving seam hot deployment with Intellij-idea

How can I achieve hot deployment with Intellij-IDEA and Seam 2? I've set up a separate module to deploy hot deployable class files to WEB-INF/dev/, but it still deploys as one big clump. ...

What limits "hot deploy"?

You can perform hot deploy when you have native Java code on Jetty. This allows you, for example, to make changes to your servlet code without requiring a restart of the server to see your application changes. However, if you run a scripting language on top of Java - Groovy, JRuby, Jython - you can no longer perform hot deploy (at le...

How do i upgrade a module in a running NetBeans Platform application from commandline or script?

How do i upgrade a module in a running NetBeans Platform from commandline or script? When developing NetBeans Platform Apps in NetBeans IDE it is possible to hot deploy/update modules in a running instance of the application you are working on. How can i do this from ex commandline or an ANT script so i can do rapid development of NetBea...

Disable Hot Code Replace for the Eclipse Java debugger

When you change Java code while in a debugging session, Eclipse will upload the updated class files into the running JVM (hot code replace). This even works for remote applications. Is there a way to turn Hot Code Replace off (within Eclipse, not at the remote JVM)? We want to be able to debug our test and staging servers remotely, but...

Does Google App Engine Java support Hot Deployment in Eclipse?

It doesn't seem to do this by default, which is pretty shocking to me given all the other stuff they've set up to make development easy. Is there a way to enable this? If not, anybody know why it isn't supported? ...

Why Servlet is unavailable after 3rd deployment in jboss 4.2.0

I am working in a struts-hibernate application. I have seen a error on 3rd time deployment of application in jboss4.2.0. When i deployed it for first time, it runs. Even in 2nd time deployment, it works. But, in 3rd time deployment, it shows an error "Servlet is unavailable". Why it fails in 3rd time? ...

Can Jetty pick up changes to WEB-INF/lib on hot deployment? How?

I am running several webapps on Jetty 6 through Apache. They are set to hot deploy using .xml files in the contexts/ directory. Those .xml files simply define WebAppContext instances and tell them where to look for a WAR file. `touch'-ing their contexts/.xml files picks up changes to JSPs defined in the relavnt WAR file, which is great. ...

Hot Deploy of development changes with Eclipse, Tomcat, and Jetspeed

Hi, I am developing a Jetspeed portal application running on Tomcat, using the Eclipse IDE with the Sysdeo Tomcat launcher plugin to enable debugging of the application running in Tomcat/Jetspeed. I was wondering how to enable hot deploy of development changes for this environment? Does anyone know how to configure a Jetspeed portal web...

Incremental hot deployment on Tomcat with Maven and NetBeans

I'm using NetBeans 6.8, Tomcat 6, and Maven 2.2 and want to see changes in my code immediately in the browser (showing http://localhost:8080) after saving the file. The tomcat-maven-plugin has the following configuration: <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>tomcat-maven-plugin</artifactId> <version>1.0-beta-...

Hot deploy not longer working on JBoss ("Scheme change not implemented")

Hi! I've got a pretty annoying problem with my JBoss AS 4.2.3 GA. Until recently everything was running fine, but now the hot deploy feature is now longer working. And -- as always -- I don't know what I did to cause this behaviour. My projects are built with Maven. I've cleaned every target directory, installed the projects and then ...