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  1. ,

    Check if there is no nexus running. If not, delete sonatype-work/nexus/nexus.lock .

  2. ,

    checkState() is Static convenience methods that help a method or constructor check whether it was invoked correctly (whether its preconditions have been met). This occurs when the precondition does not met.

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via Coderanch by Migrated From Jforum.net, 1 year ago
This exception has no message.
via Coderanch by Manoj Maniraj, 1 year ago
This exception has no message.
via Eclipse Bugzilla by siddharthgarg1984, 1 year ago
via Eclipse Bugzilla by cap, 1 year ago
This exception has no message.
via Eclipse Bugzilla by kathy, 1 year ago
via https://bugzilla.redhat.com/bugzilla/ by Filip Elias, 1 year ago
java.lang.IllegalStateException: Already closed or has not been started	at com.google.common.base.Preconditions.checkState(Preconditions.java:176)	at org.apache.curator.x.discovery.details.ServiceCacheImpl.close(ServiceCacheImpl.java:104)	at org.apache.curator.x.discovery.details.ServiceProviderImpl.close(ServiceProviderImpl.java:78)	at io.druid.curator.discovery.ServerDiscoverySelector.stop(ServerDiscoverySelector.java:122)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at com.metamx.common.lifecycle.Lifecycle$AnnotationBasedHandler.stop(Lifecycle.java:337)	at com.metamx.common.lifecycle.Lifecycle.stop(Lifecycle.java:261)	at io.druid.cli.CliPeon$2.run(CliPeon.java:241)	at java.lang.Thread.run(Thread.java:745)