2021-03-02 12:59:42.607+0000 [id=310] INFO h.TcpSlaveAgentListener$ConnectionHandler#run: Connection #1 failed: java.io.EOFException 2021-03-02 12:59:42.633+0000 [id=311] INFO h.TcpSlaveAgentListener$ConnectionHandler#run: Accepted JNLP4-connect connection #2 from /10.119.64.14:60807 2021-03-02 13:00:31.071+0000 [id=333] INFO h.TcpSlaveAgentListener$ConnectionHandler#run: Connection #3 failed: java.io.EOFException 2021-03-02 13:00:31.083+0000 [id=334] INFO h.TcpSlaveAgentListener$ConnectionHandler#run: Accepted JNLP4-connect connection #4 from /10.119.64.14:60826 2021-03-02 13:00:31.137+0000 [id=322] WARNING o.j.r.p.i.SSLEngineFilterLayer#onRecv: [JNLP4-connect connection from jenkins.windows.node/10.119.64.14:60826] java.lang.NullPointerException at jenkins.slaves.DefaultJnlpSlaveReceiver.afterProperties(DefaultJnlpSlaveReceiver.java:127) at org.jenkinsci.remoting.engine.JnlpConnectionState$2.invoke(JnlpConnectionState.java:394) at org.jenkinsci.remoting.engine.JnlpConnectionState.fire(JnlpConnectionState.java:337) at org.jenkinsci.remoting.engine.JnlpConnectionState.fireAfterProperties(JnlpConnectionState.java:391) at org.jenkinsci.remoting.engine.JnlpProtocol4Handler$Handler.onReceiveHeaders(JnlpProtocol4Handler.java:323) at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.onRecv(ConnectionHeadersFilterLayer.java:196) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668) at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processRead(SSLEngineFilterLayer.java:369) at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecv(SSLEngineFilterLayer.java:117) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668) at org.jenkinsci.remoting.protocol.NetworkLayer.onRead(NetworkLayer.java:136) at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:160) at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:795) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) 2021-03-02 13:00:31.137+0000 [id=322] SEVERE o.j.r.p.impl.NIONetworkLayer#ready: [JNLP4-connect connection from jenkins.windows.node/10.119.64.14:60826] Uncaught NullPointerException java.lang.NullPointerException at jenkins.slaves.DefaultJnlpSlaveReceiver.afterProperties(DefaultJnlpSlaveReceiver.java:127) at org.jenkinsci.remoting.engine.JnlpConnectionState$2.invoke(JnlpConnectionState.java:394) at org.jenkinsci.remoting.engine.JnlpConnectionState.fire(JnlpConnectionState.java:337) at org.jenkinsci.remoting.engine.JnlpConnectionState.fireAfterProperties(JnlpConnectionState.java:391) at org.jenkinsci.remoting.engine.JnlpProtocol4Handler$Handler.onReceiveHeaders(JnlpProtocol4Handler.java:323) at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.onRecv(ConnectionHeadersFilterLayer.java:196) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668) at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processRead(SSLEngineFilterLayer.java:369) at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecv(SSLEngineFilterLayer.java:117) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668) at org.jenkinsci.remoting.protocol.NetworkLayer.onRead(NetworkLayer.java:136) at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:160) at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:795) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)