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POJenkins headless linux slave connection error
 

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    <p>I get java.net.SocketException: Connection reset when trying to connect a headless debian slave to my main Jenkins master. It's been running good for a couple of weeks without error and suddenly I can't get it to connect.</p> <p>I can telnet into the master on port 6256.</p> <p>Slave output:</p> <pre><code>#&gt; java -jar ~/slave.jar -jnlpUrl https://test.tv/jenkins/computer/debian_slave_node_1/slave-agent.jnlp Aug 12, 2013 10:10:46 AM hudson.remoting.jnlp.Main$CuiListener &lt;init&gt; INFO: Hudson agent is running in headless mode. Aug 12, 2013 10:10:46 AM hudson.remoting.jnlp.Main$CuiListener status INFO: Locating server among [https://test.tv/jenkins/, http://test.tv/jenkins/] Aug 12, 2013 10:10:46 AM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to test.tv:6256 Aug 12, 2013 10:10:46 AM hudson.remoting.jnlp.Main$CuiListener status INFO: Handshaking Aug 12, 2013 10:10:46 AM hudson.remoting.jnlp.Main$CuiListener error SEVERE: Connection reset java.net.SocketException: Connection reset at java.net.SocketInputStream.read(SocketInputStream.java:189) at java.net.SocketInputStream.read(SocketInputStream.java:121) at java.io.BufferedInputStream.fill(BufferedInputStream.java:235) at java.io.BufferedInputStream.read(BufferedInputStream.java:254) at hudson.remoting.ClassicCommandTransport.create(ClassicCommandTransport.java:98) at hudson.remoting.Channel.&lt;init&gt;(Channel.java:391) at hudson.remoting.Channel.&lt;init&gt;(Channel.java:387) at hudson.remoting.Channel.&lt;init&gt;(Channel.java:348) at hudson.remoting.Channel.&lt;init&gt;(Channel.java:344) at hudson.remoting.Channel.&lt;init&gt;(Channel.java:332) at hudson.remoting.Engine.run(Engine.java:238) </code></pre> <p>Jenkins Master output:</p> <pre><code>java.io.IOException: Unexpected termination of the channel at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50) Caused by: java.io.EOFException at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2596) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1316) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at hudson.remoting.Command.readFrom(Command.java:92) at hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:72) at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48) </code></pre>
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