HotswapProjects/user

Vladimir Dvorak

@skybber

its not clear what place of code calls the check procedure, it seems it is not related to HA

Graziano Felline

@ogipogi

It look like the defined extraClasspath has here an impact.
I need to understand this first - yes.
https://github.com/wildfly/wildfly/blob/eacb144910142d456946ea2c429f63abf0cf8b93/weld/subsystem/src/main/java/org/jboss/as/weld/deployment/processors/ExternalBeanArchiveProcessor.java#L309

Only to be sure - it is right, to place the hotswap-agent.propertiesfile in resources folder of subprojects?

Vladimir Dvorak

@skybber

yes, it is right place for project or module specific HA configuration

it looks you are interested in this problem :) HA is good starting point to understand underlaying technologies like Weld/JbossModules/Undertow

My technology stack is little bit different. I'm using OWB/Deltaspike/Tomcat, although I did the Weld/Udertow/Jboss modules some years ago

bute generally, I'm interested to CDI, JSF, CXF ...

bosbeles

@bosbeles

Hello.

I am new to this gitter stuff. HotswapProjects/HotswapAgent#372

I have a

bosbeles

@bosbeles

I want to make hotswap for a swing based application. The panel creation is generally on the constructor. I have used spring plugin and modified the example plugin. It is now half working. HotswapProjects/HotswapAgent#372 I have created an issue/question on github. Maybe this is the right place for that kind of question. Could you help me?

Arjun Krishnamurthy

@arjun.krishnamurthy_gitlab

Hi Team
We have a java application running in JDK 1.8.0_191 and we are using jboss 7.2 as the application server. we are using eclipse photon(4.8.0) with hotswap 1.3.0. We also have file synchronization setup for JSP changes. We are observing error "hotswap failed VM may be inconsistent"after few changes in java classes. changes are picked up in runtime but debugger thread goes out of sync and we are not able to debug the same class again. This behavior is inconsistent and doesn't have specific patterns. Could you please help on this issue?

Jak

@Shadowrs

I have a question does hsa work with java 12 13 14 15 etc? do you have to do a custom image/jdk build to get it working?

Jak

@Shadowrs

Answered my question herre TravaOpenJDK/trava-jdk-11-dcevm#16 i guess we cant expect any newer than java 11

Jak

@Shadowrs

Yep LTS is only possiblity not 6-month java release cycles https://groups.google.com/g/hotswapagent/c/MU85QPkUY04/m/J0nlanRWCQAJ

Hanh Le

@hanh090

Hi team, I am running project using spring boot and maven wrapper. I using vim and do not like any other IDE (it was too heavy), how can I set up to start hotswap from maven wrapper. (I was successfull install dcvm and hotswap agent)

cyberquarks

@cyberquarks

How does Hotswap compare to JRebel?

JonathanTractionDK

@JonathanTractionDK

Has anyone managed to get the Hotswapagent (with DCEVM) to work with Grails 4?

Vladimir Dvorak

@skybber

We don't have experince, but definitely worth a try it

JonathanTractionDK

@JonathanTractionDK

I'm asking because I'm trying to make it work, I can successfully start the hotswapagent, but it doesn't see my changes at all and I can't find why. I think the structure of grails application is different, so that might be why. How can I modify the directory where hotswapagent checks for changes?

Vladimir Dvorak

@skybber

I don't understand your question. You can modify the directory content without restricotions. I suppose the groovy compilators makes .class files after you modified it.

Vignesh

@Vignesh-FullStackDeveloper

Actually I m using Java 8 in Apache Netbean for JSF project.
I just installed and setup the Hotswap.but If I changed any thing in my code ,tomcat get restarted.Could you please help me on this.

Vladimir Dvorak

@skybber

I should work, did you see http://hotswapagent.org/mydoc_setup_netbeans.html ?

Vignesh

@Vignesh-FullStackDeveloper

Yes I followed all the steps..
I got hotswap log while starting tomcat..as above

but still if i do some, changes tomcat is redeploying..

Welton Rodrigo Torres Nascimento

@weltonrodrigo

Hi guys. I'm managed to get travaopenjdk working with my jsf project. I believe it's necessary to specify webappDir on hotswap-agent.properties to get xhtml reload working.

But I couldn't find a mention to it in the jsf plugin page. I'm willing to improve the docs if it's the case, but could not find the repo hosting the site. Where can I find it so I can open a PR?

Vladimir Dvorak

@skybber

For JSF reloading, I'm using standard configuration in web.xml:

    <context-param>
            <param-name>javax.faces.PROJECT_STAGE</param-name>
            <param-value>Development</param-value>
    </context-param>

MyFaces plugin does not do a lot for XHTML reloading, look at:

https://github.com/HotswapProjects/HotswapAgent/blob/master/plugin/hotswap-agent-myfaces-plugin/src/main/java/org/hotswap/agent/plugin/myfaces/MyFacesPlugin.java#L82

there is .properties reloading and managed bean reloading.

lulnope

@lulnope

Hello.
I'm using HA + TravaJDK 11 with Wildfly 18. Reloading EJBs works great when I edit method body. However method signature changes seem broken. New methods are called without any interceptors. This leads me to believe that EJB reload isn't really supported by HA.

Is there support for EJB 3 reloading in Hotswap-agent currently? Is it planned in the future?
If it is not planned, why? Are there any reasons inherent to EJB3 that would prevent someone from implementing HA support for Wildfly (for example: complexity)?

Vladimir Dvorak

@skybber

EJB3 is not supported, no plan to do it, but you an try to do it :)

nomuna

@nomuna

Hello everyone... Is there a way to deactivate some of the plugins selectively? For example I am using the fatjar and I do not want to use the hibernate plugin....

Vladimir Dvorak

@skybber

look at HotswapProjects/HotswapAgent#266

Matsuuu

@mmatsuuu:matrix.org

[m]

I set up Hotswap Agent to work with wildfly. I am able to connect to the instance with wildfly, and recompile classfiles.

However one of my projects contains JSP files and serves them through REST endpoints, and when I compile those classes, I get the following error:
Could not reload rest class Hotswap agent org.jboss.resteasy.spi.LoggableFailure: RESTEASY003880: Unable to find contextual data of type: javax.servlet.ServletContext

The class causing the error is a controller (containing the rest endpoints) class if that has anything to do with it

min

@nzomkxia

is there any document about how to build
https://github.com/HotswapProjects/HotswapAgentPages?

Vladimir Dvorak

@skybber

mvn package -Dmaven.test.skip=true ?

min

@nzomkxia

HotswapAgentPages does not looks like a maven project

Vladimir Dvorak

@skybber

雷雨

@zpshowhan

hi Does this support remote hot deployment?

Vladimir Dvorak

@skybber

I would suggest to read the doc at www.hotswapagent.org

Precious

@Kyu

Is there a way to silence error outputs?

I am running Hotswapagent with jbe 17, in IDEA, and at the beginning of class loading it gives me plugin loader not found error. Searching issues show others have had this error in the past, mine is related to Log4J2. But everything runs smoothly so no problem.

When I run a hotswap though, I get a huge error output, its kind of annoying

the hotswap still goes through though, so i'd just like to silence the error bc I cba to investigate it

Precious

@Kyu

outputs if anyone is interested

https://gist.github.com/Kyu/915155ad5fe1acd54419d6832d5ab13b

Growth

@ZijieSong

Hi, when I re-compile some java source files, hotswap agent outputs log as "reloading classes..."，but no hotswap results, such as success or failure. So I can't be sure if it works unless I trigger a network request to verify. Sometimes even though there is no error log, the change still does not take effect.

Is there any easy way to tell me clearly if the hotswap was successful? thanks!

Vladimir Dvorak

@skybber

I'm using -Xlog:redefine+class*=info

Growth

@ZijieSong

hi, I found that spring plugin doesn't work when bean is registered by @Bean. Is that true or I have a wrong way to use this plugin

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