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https://issues.apache.org/jira/browse/TOMEE-4714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Zowalla updated TOMEE-4714:
-----------------------------------
Fix Version/s: 11.0.0
10.3.0
> TomEEEmbeddedExtension (JUnit 5) can not start the container again after it
> was closed
> --------------------------------------------------------------------------------------
>
> Key: TOMEE-4714
> URL: https://issues.apache.org/jira/browse/TOMEE-4714
> Project: TomEE
> Issue Type: Bug
> Reporter: Richard Zowalla
> Priority: Major
> Fix For: 11.0.0, 10.3.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> The JUnit 5 extension for TomEE embedded \({{@RunWithTomEEEmbedded}} /
> {{TomEEEmbeddedExtension}}\) only works for the first container start within
> a JVM. Every test \(class\) executed afterwards runs without a container.
> h3. Cause
> {{TomEEEmbeddedExtension}} holds a static {{TomEEEmbeddedBase}}, which holds
> a static {{TomEEEmbeddedApplicationRunner}}. The extension closes the runner
> in {{afterAll}} \(lifecycle {{PER\_CLASS}}\) or {{afterEach}} \(default
> lifecycle\) and starts it again for the next test \(class\).
> {{TomEEEmbeddedApplicationRunner#close\(\)}} stops the container and sets
> {{app = null}}, but never resets the {{started}} flag. The next call of
> {{start\(...\)}} therefore returns early:
> {code:java}
> public synchronized void start\(final Class<?> marker, final Properties
> config, final String... args\) throws Exception {
> if \(started\) {
> return;
> }
> ...
> {code}
> No container is started and {{app}} stays {{null}}, so
> {{composerInject\(...\)}} injects {{null}} into fields annotated with
> {{@Application}} and {{@RandomPort}} is not populated.
> h3. Observed behaviour* Lifecycle {{PER\_CLASS}}: the first test class
> passes, all tests of every following test class fail, e.g. with a
> {{NullPointerException}} on the {{@Application}} field.
> * Default lifecycle \({{PER\_METHOD}}\): the container is closed after the
> first test method, so only the first test method of the JVM has a container.
> h3. How to reproduce
> Two test classes annotated with {{@RunWithTomEEEmbedded}} \(and
> {{@TestInstance\(TestInstance.Lifecycle.PER\_CLASS\)}}\) sharing one
> {{@Application}} descriptor, executed in the same surefire JVM. The existing
> tests \({{SingleInstanceRunnerExtensionTest}},
> {{NoScannerSingleRunnerExtensionTest}}\) do not hit this, as they consist of
> a single test method each.
> h3. Expected behaviour
> Either the runner can be started again after {{close\(\)}} \(reset
> {{started}}\), or the extension keeps a single container per JVM like
> {{TomEEEmbeddedSingleRunner}} does for JUnit 4 and does not close it between
> tests. A mode switch similar to {{ExtensionMode}} of
> {{@RunWithApplicationComposer}} would be nice to have.
> h3. Context
> Found while migrating JAX\-RS tests from {{ApplicationComposer}} \+
> {{@EnableServices\("jaxrs"\)}} to TomEE embedded \(TOMEE\-4707 removes the
> embedded HTTP server\). Seen with 10.2.0 and 11.0.0\-SNAPSHOT.
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