Random ConcurrentModificationException comes up when running LiferayTemplateClassResolverTest

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.0.0 DXP FP13, 7.0.0 DXP SP3, 7.0.3 CE GA4, 7.1.X, Master
• Component/s: Portal Configuration
• Labels:
  • liferay-digital-enterprise-70-sp3
  • liferay-fixpack-de-13-7010
• Story Points: 1
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/47100

This is a random issue found by CI, LiferayTemplateClassResolverTest will fail randomly caused by ConcurrentModificationException.

No need to test by QA manually.

Error log :

[exec] com.liferay.portal.template.freemarker.test.LiferayTemplateClassResolverTest > testResolveAllowedPortalClassExplicitlyRestricted STARTED
[exec] 19:37:21,084 ERROR [CM Event Dispatcher (Fire ConfigurationEvent: pid=com.liferay.portal.template.freemarker.configuration.FreeMarkerEngineConfiguration)][org_apache_felix_configadmin:97] Unexpected problem delivering configuration event to [org.osgi.service.cm.ConfigurationListener, id=75, bundle=24/reference:Static-Jar::/opt/dev/projects/github/liferay-portal/bundles/osgi/static/org.apache.felix.configadmin.jar]

{org.osgi.service.cm.ConfigurationAdmin}

=

{service.vendor=Apache Software Foundation, service.pid=org.apache.felix.cm.ConfigurationAdmin, service.description=Configuration Admin Service Specification 1.2 Implementation, service.id=55, service.bundleid=24, service.scope=bundle}

[exec] java.util.ConcurrentModificationException
[exec] at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1207)
[exec] at java.util.TreeMap$EntryIterator.next(TreeMap.java:1243)
[exec] at java.util.TreeMap$EntryIterator.next(TreeMap.java:1238)
[exec] at java.util.TreeMap.buildFromSorted(TreeMap.java:2555)
[exec] at java.util.TreeMap.buildFromSorted(TreeMap.java:2504)
[exec] at java.util.TreeMap.<init>(TreeMap.java:200)
[exec] at org.apache.felix.cm.impl.CaseInsensitiveDictionary.<init>(CaseInsensitiveDictionary.java:62)
[exec] at org.apache.felix.cm.impl.CachingPersistenceManagerProxy.copy(CachingPersistenceManagerProxy.java:259)
[exec] at org.apache.felix.cm.impl.CachingPersistenceManagerProxy.getDictionaries(CachingPersistenceManagerProxy.java:155)
[exec] at org.apache.felix.cm.impl.ConfigurationManager.listConfigurations(ConfigurationManager.java:658)
[exec] at org.apache.felix.cm.impl.ConfigurationAdminImpl.listConfigurations(ConfigurationAdminImpl.java:185)
[exec] at org.apache.felix.scr.impl.manager.RegionConfigurationSupport.getConfigurationInfo(RegionConfigurationSupport.java:445)
[exec] at org.apache.felix.scr.impl.manager.RegionConfigurationSupport.configurationEvent(RegionConfigurationSupport.java:259)
[exec] at org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.sendEvent(ConfigurationManager.java:2046)
[exec] at org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:2014)
[exec] at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:143)
[exec] at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:110)
[exec] at java.lang.Thread.run(Thread.java:745)

Please see error.log for more details