[jboss-jira] [JBoss JIRA] (AS7-5590) relax the requirement for having EJB bean class no-arg constructor

[Cheng Fang (JIRA)]

Cheng Fang created AS7-5590:
-------------------------------

             Summary: relax the requirement for having EJB bean class no-arg constructor
                 Key: AS7-5590
                 URL: https://issues.jboss.org/browse/AS7-5590
             Project: Application Server 7
          Issue Type: Feature Request
          Components: EE
    Affects Versions: 7.2.0.Alpha1
            Reporter: Cheng Fang
            Assignee: David Lloyd


Currently AS7 requires all EJB bean class to have a public no-arg
constructor, even when cdi is enabled and there is a @Inject constructor.
The deployment of EJB with no default constructor will fail
validation. I understand this is a EJB spec requirement, but I guess it's
more of legacy from pre-CDI days.

I'm wondering if we can relax it, to support EJB bean classes with
only @Inject constructor and no default constructor. This is currently supported in GlassFish/RI. 

The stacktrace from validation:
{noformat}
10:13:36,354 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-9) MSC00001: Failed to start service jboss.deployment.unit."test.war".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."test.war".INSTALL: JBAS018733: Failed to process phase INSTALL of deployment "test.war"
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:123) [jboss-as-server-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_35]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_35]
        at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_35]
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: JBAS011030: Could not configure component TestBean
        at org.jboss.as.ee.component.deployers.EEModuleConfigurationProcessor.deploy(EEModuleConfigurationProcessor.java:91)
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:116) [jboss-as-server-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
        ... 5 more
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: JBAS014227: EJB TestBean of type test.TestBean must have public default constructor
        at org.jboss.as.ejb3.component.EJBValidationConfigurator.configure(EJBValidationConfigurator.java:59)
        at org.jboss.as.ee.component.deployers.EEModuleConfigurationProcessor.deploy(EEModuleConfigurationProcessor.java:80)
        ... 6 more

10:13:36,360 INFO  [org.jboss.as.server] (management-handler-thread - 2) JBAS015870: Deploy of deployment "test.war" was rolled back with failure message {"JBAS014671: Failed services" => {"jboss.deployment.unit.\"test.war\".INSTALL" => "org.jboss.msc.service.StartException in service jboss.deployment.unit.\"test.war\".INSTALL: JBAS018733: Failed to process phase INSTALL of deployment \"test.war\"
    Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: JBAS011030: Could not configure component TestBean
    Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: JBAS014227: EJB TestBean of type test.TestBean must have public default constructor"}}
10:13:36,379 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-3) JBAS015877: Stopped deployment test.war in 19ms
{noformat}


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