12:30:05.390 [INFO ] o.a.j.p.c.PassCmdHandler - Opening mailbox f4f3f460-7d10-11ec-8d11-6ffd320e78cd #private:user@domain:INBOX with mailbox session -721273511740344264
12:30:05.418 [WARN ] o.a.j.p.m.DistributedMailboxAdapter - Removing f4f8fd70-7d10-11ec-8d11-6ffd320e78cd from f4f3f460-7d10-11ec-8d11-6ffd320e78cd POP3 projection for user user@domain at it is not backed by a MailboxMessage
Jan 24, 2022 12:30:05 PM org.jboss.netty.handler.stream.ChunkedWriteHandler
WARNING: Failed to close a chunked input.
java.lang.NullPointerException
        at java.base/java.io.FilterInputStream.close(Unknown Source)
        at java.base/java.io.PushbackInputStream.close(Unknown Source)
        at org.apache.james.protocols.pop3.core.ExtraDotInputStream.close(ExtraDotInputStream.java:74)
        at org.apache.james.protocols.pop3.core.TopCmdHandler$CountingBodyInputStream.close(TopCmdHandler.java:226)
        at java.base/java.io.SequenceInputStream.nextStream(Unknown Source)
        at java.base/java.io.SequenceInputStream.close(Unknown Source)
        at java.base/java.io.PushbackInputStream.close(Unknown Source)
        at org.jboss.netty.handler.stream.ChunkedStream.close(ChunkedStream.java:94)
        at org.jboss.netty.handler.stream.ChunkedWriteHandler.closeInput(ChunkedWriteHandler.java:303)
        at org.jboss.netty.handler.stream.ChunkedWriteHandler.flush(ChunkedWriteHandler.java:236)
        at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleDownstream(ChunkedWriteHandler.java:121)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)
        at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:784)
        at org.jboss.netty.handler.execution.ExecutionHandler.handleDownstream(ExecutionHandler.java:176)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:582)
        at org.jboss.netty.channel.Channels.write(Channels.java:704)
        at org.jboss.netty.channel.Channels.write(Channels.java:671)
        at org.jboss.netty.channel.AbstractChannel.write(AbstractChannel.java:347)
        at org.apache.james.protocols.netty.NettyProtocolTransport.writeToClient(NettyProtocolTransport.java:130)
        at org.apache.james.protocols.api.AbstractProtocolTransport.writeResponse(AbstractProtocolTransport.java:49)
        at org.apache.james.protocols.netty.BasicChannelUpstreamHandler.messageReceived(BasicChannelUpstreamHandler.java:176)
        at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
        at org.jboss.netty.channel.SimpleChannelUpstreamHandler.messageReceived(SimpleChannelUpstreamHandler.java:124)
        at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
        at org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:43)
        at org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:67)
        at org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor$ChildExecutor.run(OrderedMemoryAwareThreadPoolExecutor.java:314)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.base/java.lang.Thread.run(Unknown Source)