[jbosstools-issues] [JBoss JIRA] (JBIDE-19821) Hot code swap not happening for Web App Libraries before being loaded

Rob Stryker (JIRA) issues at jboss.org
Mon Aug 24 13:39:27 EDT 2015


    [ https://issues.jboss.org/browse/JBIDE-19821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101159#comment-13101159 ] 

Rob Stryker commented on JBIDE-19821:
-------------------------------------

For reference, here is how I ran the soap command:

{code}
curl --header "Content-Type: text/xml-8" --header "SOAPAction: " --data @service.xml http://localhost:8080/TestIde/HelloWorld
{code}

> Hot code swap not happening for Web App Libraries before being loaded
> ---------------------------------------------------------------------
>
>                 Key: JBIDE-19821
>                 URL: https://issues.jboss.org/browse/JBIDE-19821
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 4.2.3.Final
>         Environment: Windows 7, 64 bits, Eclipse Luna (4.4.2), JBoss Tools 4.2 Plug-ins installed: JBoss WebServices Tools (1.7.3.Final), JBossAS Tools (3.0.3.Final), Jboss JAX-RS Tools (1.7.3.Final)
>            Reporter: Stephane Sandron
>             Fix For: 4.3.x
>
>         Attachments: classloading_issue.zip
>
>
> I have created 2 projects in Eclipse:
> * TestIde: a web application with 2 classes
> ** HelloWorld: a web service endpoint with a single web service method
> ** WebAppClass: a simple Java class with a single method returning a string
> * TestIdeModule: a regular java module (with the "Utility Module" facet defined in Eclipse for the project) with a single class
> ** ModuleClass: similar to WebAppClass
>  
> TestIde has
> * TestIdeModule in its build path
> * TestIdeModule deployed in WEB-INF/lib/TestIdeModule.jar
>  
> The code of the web service method takes a string and depending on this it will instantiate WebAppClass or ModuleClass.
> I am running WildFly 8.1 (in debug mode) with -verbose:class to see the classes being loaded/redefined.
>  
> My issue is the following:
> - Starting WildFly in debug mode
> - Modifying the string returned by ModuleClass in my IDE (before it is loaded)
> - The resulting string is still the previous one (before my modification in my IDE)
> If I do the same test with the WebAppClass, everything is OK because it is deployed as a .class in WEB-INF/classes
> The change does not take effect right away over the debug wire when:
> - The modified class is part of a Java project deployed as a JAR in WEB-INF/lib
> - The modified class has not yet been loaded
>  
> When the class is loaded before being modified, everything is fine.
> When I check "Force module restart on following regex pattern" and using the pattern: "\.jar$", I see WildFly republishing a JAR with the modified file inside. The problem is still occurring though. It seems that it does not take into account the modification if the class has never been loaded.



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