Low Issue Summary
The Crowd Delegated Directory Pruning Plugin (DDPP) App fails to enable.
This is reproducible on Data Center: yes
Steps to Reproduce
- Install Crowd 4.4.1
- Navigate to Crowd Administration » Manage Apps
- Update Atlassian Troubleshooting and Support Tools app to the available v1.39.0
- Once the app is updated, restart Crowd
- Navigate to Crowd Administration » Manage Apps
- Change to All apps
- Search for Directory Pruning Plugin
Expected Results
The Directory Pruning Plugin should be enabled.
Actual Results
The Directory Pruning Plugin is disabled 
.
In atlassian-crowd.log, the following shows up after startup:
2022-08-16 08:10:03,441 localhost-startStop-1 INFO [com.atlassian.crowd.startup] Starting Crowd Server, Version: 4.4.1 (Build:#1688 - 2022-03-02) ... 2022-08-16 08:09:39,970 ThreadPoolAsyncTaskExecutor::Thread 17 ERROR [plugin.osgi.factory.OsgiPlugin] Unable to start the plugin container for plugin 'com.atlassian.labs.crowd.directory-pruning-plugin' org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.atlassian.com/schema/atlassian-scanner] Offending resource: URL [bundle://29.0:0/META-INF/spring/plugin-context.xml] at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:72) at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:119) at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:111) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.error(BeanDefinitionParserDelegate.java:281) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1388) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1371) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:179) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:149) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:96) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:511) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:338) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:224) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:195) at org.eclipse.gemini.blueprint.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:171) at org.eclipse.gemini.blueprint.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:141) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:676) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.access$800(AbstractDelegatedExecutionApplicationContext.java:57) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext$3.run(AbstractDelegatedExecutionApplicationContext.java:239) at org.eclipse.gemini.blueprint.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.startRefresh(AbstractDelegatedExecutionApplicationContext.java:217) at org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.stageOne(DependencyWaiterApplicationContextExecutor.java:224) at org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.refresh(DependencyWaiterApplicationContextExecutor.java:177) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:154) at org.eclipse.gemini.blueprint.extender.internal.activator.LifecycleManager$1.run(LifecycleManager.java:213) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) ... 2022-08-16 08:09:40,078 FelixDispatchQueue INFO [osgi.container.felix.FelixOsgiContainerManager] Stopped bundle com.atlassian.crowd.directory-pruning-plugin (29) ... 2022-08-16 08:09:41,197 localhost-startStop-1 INFO [atlassian.plugin.manager.PluginEnabler] Plugin 'com.atlassian.labs.crowd.directory-pruning-plugin' is now DISABLED
Root cause
ATST v1.39.0 contains a bundled atlassian-spring-scanner that conflicts with the atlassian-spring-scanner that the Pruning App in Crowd 4.4.1 also bundles.
Workaround
- Shutdown Crowd
- Delete the <crowd-home>/shared/plugins/plugin.*.plugin-crowd-1.39.0.jar
- Crowd will then revert back to the bundled ATST version inside the <crowd-install-directory>
- Restart Crowd
- Update: 21 Aug 2022. Manage Apps will now only show update for ATST to compatible ATST 1.37.0.
