# Nexus-3.38.1 oss refuses to start up

**URL:** <https://community.sonatype.com/t/nexus-3-38-1-oss-refuses-to-start-up/8800>\
**Category:** Sonatype Nexus Repository\
**Tags:** nexus-v3\
**Created:** [June 8, 2022, 8:43pm UTC](https://community.sonatype.com/t/nexus-3-38-1-oss-refuses-to-start-up/8800 "2022-06-08T20:43:19Z")\
**Posts on this page:** 1\
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**Author:** ![djung.tran](https://avatars.discourse-cdn.com/v4/letter/d/c89c15/32.png) [@djung.tran](https://community.sonatype.com/u/djung.tran)\
**Post date:** [June 8, 2022, 8:43pm UTC](https://community.sonatype.com/t/nexus-3-38-1-oss-refuses-to-start-up/8800/1 "2022-06-08T20:43:20Z")

</div>

We employ ansible (thethoteam role) to provision a dedicated nexus server with version nexus-3.38.1 oss. Apparently our latest playbook contains some yaml that nexus can’t handle and refused to start up, Provisioning the server with the previous version won’t help, nexus refuses to startup

```nohighlight
2022-06-07 12:41:11,977+0100 INFO [FelixStartLevel] *SYSTEM org.ehcache.jsr107.Eh107CacheManager - Registering Ehcache MBean javax.cache:type=CacheStatistics,CacheManager=file./opt/nexus/nexus-3.38.1-01/etc/fabric/ehcache.xml,Cache=docker-proxy#negative-cache

2022-06-07 12:41:12,281+0100 WARN [FelixStartLevel] *SYSTEM org.sonatype.nexus.repository.config.internal.ConfigurationFacetImpl - Validation failed; 1 constraints violated:

  1) must not be null, type: class org.sonatype.nexus.repository.config.internal.ConfigurationFacetImpl$SectionWrapper, property: attributes[group].memberNames, value: null

2022-06-07 12:41:12,299+0100 ERROR [FelixStartLevel] *SYSTEM org.sonatype.nexus.repository.manager.internal.RepositoryManagerImpl - Failed transition: NEW -> STARTED

javax.validation.ConstraintViolationException: attributes[group].memberNames: must not be null

at org.sonatype.nexus.repository.manager.internal.RepositoryImpl.validate(RepositoryImpl.java:174)

at org.sonatype.nexus.repository.manager.internal.RepositoryManagerImpl.newRepository(RepositoryManagerImpl.java:198)

at org.sonatype.nexus.repository.manager.internal.RepositoryManagerImpl.restoreRepositories(RepositoryManagerImpl.java:275)

at org.sonatype.nexus.repository.manager.internal.RepositoryManagerImpl.doStart(RepositoryManagerImpl.java:257)

at org.sonatype.nexus.common.stateguard.StateGuardLifecycleSupport.start(StateGuardLifecycleSupport.java:69)

at org.sonatype.nexus.common.stateguard.MethodInvocationAction.run(MethodInvocationAction.java:39)

at org.sonatype.nexus.common.stateguard.StateGuard$TransitionImpl.run(StateGuard.java:193)

at org.sonatype.nexus.common.stateguard.TransitionsInterceptor.invoke(TransitionsInterceptor.java:57)

at org.sonatype.nexus.extender.NexusLifecycleManager.startComponent(NexusLifecycleManager.java:199)

at org.sonatype.nexus.extender.NexusLifecycleManager.to(NexusLifecycleManager.java:111)

at org.sonatype.nexus.extender.NexusContextListener.moveToPhase(NexusContextListener.java:319)

at org.sonatype.nexus.extender.NexusContextListener.frameworkEvent(NexusContextListener.java:216)

at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1597)

at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)

at java.lang.Thread.run(Thread.java:819)

2022-06-07 12:41:12,300+0100 ERROR [FelixStartLevel] *SYSTEM org.sonatype.nexus.extender.NexusContextListener - Failed to start nexus

```

Any idea where we should look to fix this disaster …

Thank you very much in advance,

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