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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 GitHub by Firemonkey08
, 1 year ago
DisplayName cannot be null
via Sonatype JIRA by Joe Tom, 1 year ago
via Google Groups by Unknown author, 10 months ago
Original file OriginalFile{id=19253, key='FILE_A.JAVA'} already registered for file ComponentImpl{key='FILE_A_MOVED.JAVA ', type=FILE, uuid='AVcpQJHtCMovtXq-OKsy', name='', description='null', fileAttributes=FileAttributes{languageKey='java
java.lang.IllegalStateException: null	at com.google.common.base.Preconditions.checkState(Preconditions.java:159)	at io.grpc.internal.DelayedClientTransport.startBackoff(DelayedClientTransport.java:323)	at io.grpc.internal.TransportSet$2.run(TransportSet.java:281)	at io.grpc.internal.TransportSet$TransportListener.transportShutdown(TransportSet.java:461)	at io.grpc.netty.ClientTransportLifecycleManager.notifyShutdown(ClientTransportLifecycleManager.java:68)	at io.grpc.netty.ClientTransportLifecycleManager.notifyTerminated(ClientTransportLifecycleManager.java:84)	at io.grpc.netty.NettyClientTransport$4.operationComplete(NettyClientTransport.java:181)	at io.grpc.netty.NettyClientTransport$4.operationComplete(NettyClientTransport.java:175)	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:514)	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:488)	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:427)	at io.netty.util.concurrent.DefaultPromise.setFailure(DefaultPromise.java:120)	at io.netty.channel.DefaultChannelPromise.setFailure(DefaultChannelPromise.java:87)	at io.grpc.netty.ProtocolNegotiators$AbstractBufferingHandler.fail(ProtocolNegotiators.java:436)	at io.grpc.netty.ProtocolNegotiators$AbstractBufferingHandler.exceptionCaught(ProtocolNegotiators.java:376)	at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:295)	at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:274)	at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:266)	at io.grpc.netty.NettyClientTransport$3.operationComplete(NettyClientTransport.java:165)	at io.grpc.netty.NettyClientTransport$3.operationComplete(NettyClientTransport.java:156)	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:514)	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:507)	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:486)	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:427)	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:129)	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:588)	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:512)	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:426)	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:398)	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:877)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)