<p></p>
<p><a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/dmos62/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/dmos62">@dmos62</a> When running with a local full node I recognized that I always the following exception log in the console:</p>
<pre><code>März-14 11:54:29.683 [NioClientManager] WARN  o.b.net.ConnectionHandler: Error handling SelectionKey: java.nio.channels.CancelledKeyException  java.nio.channels.CancelledKeyException: null
        at java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
        at java.base/sun.nio.ch.SelectionKeyImpl.readyOps(SelectionKeyImpl.java:87)
        at java.base/java.nio.channels.SelectionKey.isWritable(SelectionKey.java:310)
        at org.bitcoinj.net.ConnectionHandler.handleKey(ConnectionHandler.java:229)
        at org.bitcoinj.net.NioClientManager.handleKey(NioClientManager.java:86)
        at org.bitcoinj.net.NioClientManager.run(NioClientManager.java:122)
        at com.google.common.util.concurrent.AbstractExecutionThreadService$1$2.run(AbstractExecutionThreadService.java:66)
        at com.google.common.util.concurrent.Callables$4.run(Callables.java:122)
        at org.bitcoinj.utils.ContextPropagatingThreadFactory$1.run(ContextPropagatingThreadFactory.java:49)
        at java.base/java.lang.Thread.run(Thread.java:844)

java.nio.channels.CancelledKeyException: null
        at java.base/sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
        at java.base/sun.nio.ch.SelectionKeyImpl.readyOps(SelectionKeyImpl.java:87)
        at java.base/java.nio.channels.SelectionKey.isWritable(SelectionKey.java:310)
        at org.bitcoinj.net.ConnectionHandler.handleKey(ConnectionHandler.java:229)
        at org.bitcoinj.net.NioClientManager.handleKey(NioClientManager.java:86)
        at org.bitcoinj.net.NioClientManager.run(NioClientManager.java:122)
        at com.google.common.util.concurrent.AbstractExecutionThreadService$1$2.run(AbstractExecutionThreadService.java:66)
        at com.google.common.util.concurrent.Callables$4.run(Callables.java:122)
        at org.bitcoinj.utils.ContextPropagatingThreadFactory$1.run(ContextPropagatingThreadFactory.java:49)
        at java.base/java.lang.Thread.run(Thread.java:844)
</code></pre>
<p>The connection is established successfully to the node, but I did get this exception.</p>

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