[jboss-jira] [JBoss JIRA] Created: (JBDEPLOY-270) Intermittent failure of undeploy

[Dennis Reed (JIRA)]

Intermittent failure of undeploy
--------------------------------

                 Key: JBDEPLOY-270
                 URL: https://issues.jboss.org/browse/JBDEPLOY-270
             Project: JBoss Deployers
          Issue Type: Bug
          Components: deployer
    Affects Versions:  JBDEPLOY-2.0.10.GA 
            Reporter: Dennis Reed


When components are deployed, they are assigned names with a number appended based on the order it was processed.
For example "jboss.deployment:id="dennis$defaultEvictionRegionConfig#1",type=Component"

The number is assigned in (line #'s are from EAP 5.0):
    at org.jboss.beans.metadata.plugins.AbstractBeanMetaData.setName(AbstractBeanMetaData.java:360)
    at org.jboss.beans.metadata.plugins.NestedBeanHandler.checkForNestedBeans(NestedBeanHandler.java:77)
    at org.jboss.beans.metadata.plugins.AbstractBeanMetaData.getBeans(AbstractBeanMetaData.java:202)
    at org.jboss.kernel.plugins.deployment.AbstractKernelDeployment.getBeans(AbstractKernelDeployment.java:233)
    at org.jboss.deployers.vfs.deployer.kernel.KernelDeploymentDeployer$KernelDeploymentVisitor.getBeans(KernelDeploymentDeployer.java:63)
    at org.jboss.deployers.vfs.deployer.kernel.KernelDeploymentDeployer$KernelDeploymentVisitor.getBeans(KernelDeploymentDeployer.java:54)
    at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.deploy(BeanMetaDataFactoryVisitor.java:118)

However, the beans are *not* processed in the same order every time.
And they are processed separately during deployment and undeployment.
This means that "myBean#1" may get deployed, but "myBean#2" is undeployed (leaving "myBean#1" still deployed).

Subsequent deployments will fail with errors:
17:34:30,630 WARN  [AbstractDeploymentContext] Unable to register deployment mbean dennis$defaultEvictionRegionConfig#1
javax.management.InstanceAlreadyExistsException: jboss.deployment:id="dennis$defaultEvictionRegionConfig#1",type=Component already registered.

The root cause appears to be that the XML descriptor is read with jboss-xb using a Set (unordered), but then 
this code has a dependency on the order being consistent between deploy and undeploy.

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