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https://issues.apache.org/jira/browse/TOMEE-4631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Zowalla closed TOMEE-4631.
----------------------------------
    Fix Version/s: 10.2.0
                   11.0.0
         Assignee: Richard Zowalla
       Resolution: Fixed

> arquillian-tomee-remote: static "registered" latch breaks container 
> re-registration on a second Arquillian Manager (e.g. failsafe 
> rerunFailingTestsCount)
> ---------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TOMEE-4631
>                 URL: https://issues.apache.org/jira/browse/TOMEE-4631
>             Project: TomEE
>          Issue Type: Bug
>          Components: TomEE Arquillian Adapters
>            Reporter: Bauke Scholtz
>            Assignee: Richard Zowalla
>            Priority: Major
>             Fix For: 10.2.0, 11.0.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> h3. Affected
> {{arquillian-tomee-remote}} 10.1.5 and 11.0.0-M1 
> ({{{}RemoteTomEEExtension{}}} is identical in both — the latch is still 
> present on the latest release).
> h3. Summary
> When a second Arquillian {{Manager}} is bootstrapped within the same JVM 
> fork, {{arquillian-tomee-remote}} fails to register its 
> {{{}DeployableContainer{}}}, and every deployment then fails validation with:
> {code:java}
> org.jboss.arquillian.container.test.impl.client.deployment.ValidationException:
> DeploymentScenario contains a target (_DEFAULT_) not matching any defined 
> Container in the registry.
> Please include at least 1 Deployable Container on your Classpath.
> {code}
> The most common trigger is maven-failsafe-plugin's 
> {{{}rerunFailingTestsCount{}}}: the first run registers the container fine, 
> but the rerun of a failed test — a new {{Manager}} in the same JVM — gets an 
> empty {{{}ContainerRegistry{}}}. A feature meant to mask flaky tests instead 
> turns every recoverable flake into a hard, misleading failure on TomEE 
> specifically.
> h3. Root cause
> {{RemoteTomEEExtension.register()}} guards container registration behind a 
> *JVM-static* flag:
> {code:java}
> private static final AtomicBoolean registered = new AtomicBoolean(false);
> ...
> if (!registered.getAndSet(true)) {
>     builder.observer(...);
>     builder.service(DeployableContainer.class, RemoteTomEEContainer.class)
>            .service(...);
> }
> {code}
> {{register()}} runs once per {{Manager}} bootstrap. The first bootstrap 
> registers the container and flips the static flag. The second bootstrap in 
> the same JVM finds the flag already {{true}} and *skips* 
> {{{}builder.service(DeployableContainer.class, ...){}}}, leaving that 
> Manager's registry empty -> {{_DEFAULT_}} target matches no container.
> Because the latch is {{{}static{}}}, registration is not idempotent across 
> independent Manager lifecycles in one JVM. The sibling 
> {{EmbeddedTomEEExtension}} has no such latch and registers unconditionally — 
> which is why {{arquillian-tomee-embedded}} and every other Arquillian 
> container adapter survive a rerun, and only {{arquillian-tomee-remote}} does 
> not.
> h3. Reproduction
>  # Any Arquillian test using {{{}arquillian-tomee-remote{}}}.
>  # Configure maven-failsafe-plugin with 
> {{{}-Dfailsafe.rerunFailingTestsCount=2{}}}.
>  # Make a test fail once (a real flake or a forced assertion).
>  # The rerun ({{{}Run 1{}}}/{{{}Run 2{}}}) throws the {{ValidationException}} 
> above instead of re-running against the still-running container.
> h3. Evidence (OmniFaces CI, tomee-myfaces profile)
> Same job, {{{}mvn -B verify -P tomee-myfaces 
> -Dfailsafe.rerunFailingTestsCount=2{}}}. A test flakes once, then both reruns 
> throw the {{_DEFAULT_}} ValidationException and the job goes red:
>  * 
> [https://github.com/omnifaces/omnifaces/actions/runs/28387525716/job/84107967437]
>  * 
> [https://github.com/omnifaces/omnifaces/actions/runs/26466956637/job/77929735464]
>  * 
> [https://github.com/omnifaces/omnifaces/actions/runs/26462946191/job/77915469439]
>  * 
> [https://github.com/omnifaces/omnifaces/actions/runs/26462539293/job/77913997807]
> Contrast — the *same class* of timing flake on every other Arquillian-based 
> server reruns cleanly ({{{}Run 2: PASS{}}}, job green), because those 
> adapters re-register their container:
>  * GlassFish: 
> [https://github.com/omnifaces/omnifaces/actions/runs/28445069053/job/84292192030]
>  ({{{}InputFileIT.uploadSingle{}}} Run 1 flake -> Run 2 PASS)
>  * Payara: 
> [https://github.com/omnifaces/omnifaces/actions/runs/28398701494/job/84144088156]
>  ({{{}ValidateUniqueIT.testForm1{}}} Run 1 flake -> Run 2 PASS)
>  * WildFly: 
> [https://github.com/omnifaces/omnifaces/actions/runs/28382546433/job/84088673758]
>  ({{{}SocketIT.test{}}} Run 1 flake -> Run 2 PASS)
> h3. Expected
> A second {{Manager}} in the same JVM should get the {{DeployableContainer}} 
> registered again, so reruns work as they do for every other adapter.
> h3. Suggested fix
> Drop the JVM-static latch and register unconditionally, matching 
> {{{}EmbeddedTomEEExtension{}}}. The {{getAndSet}} guard appears to be a 
> workaround for a double-registration {{{}IllegalArgumentException{}}}; if 
> double-registration within a _single_ builder is the concern, scope the guard 
> to the builder/Manager rather than a {{static}} field — a JVM-global latch 
> over-corrects and breaks the legitimate multi-Manager case.
> ----
> {color:#888888}Generated by Claude Code 
> ([https://claude.com/claude-code]){color}



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