Failed to load jenkins.util.SystemProperties on slaves due to ServletContext

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      Credits to Vladimir Konnov for discovering it. Impact is unclear.

      RingBufferLogHandler is beig used on the slaves side (LOG_HOLDER). SlaveInitializer writes to logs and invokes logic leading to SystemProperties usage. ServletContext class cannot be serialized at that point.

      Cause:

      private static final int DEFAULT_RING_BUFFER_SIZE = SystemProperties.getInteger(RingBufferLogHandler.class.getName() + ".defaultSize", Integer.valueOf(256)).intValue();

      Log:

      <===[JENKINS REMOTING CAPACITY]===>channel started

Slave.jar version: 2.59

This is a Unix agent

ERROR: Unable to launch the agent for jenkins-pipline-13
java.io.IOException: Remote call on jenkins-pipline-13 failed
	at hudson.remoting.Channel.call(Channel.java:789)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:536)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:381)
	at hudson.slaves.CommandLauncher.launch(CommandLauncher.java:131)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:253)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.LinkageError: Failed to load jenkins.util.SystemProperties
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:342)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:251)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at hudson.util.RingBufferLogHandler.<clinit>(RingBufferLogHandler.java:39)
	at hudson.slaves.SlaveComputer$LogHolder.<clinit>(SlaveComputer.java:799)
	at hudson.slaves.SlaveComputer$SlaveInitializer.call(SlaveComputer.java:808)
	at hudson.slaves.SlaveComputer$SlaveInitializer.call(SlaveComputer.java:802)
	at hudson.remoting.UserRequest.perform(UserRequest.java:152)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:332)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
	at ......remote call to jenkins-pipline-13(Native Method)
	at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416)
	at hudson.remoting.UserResponse.retrieve(UserRequest.java:252)
	at hudson.remoting.Channel.call(Channel.java:781)
	... 9 more
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContextListener
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:642)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:338)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:251)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at hudson.util.RingBufferLogHandler.<clinit>(RingBufferLogHandler.java:39)
	at hudson.slaves.SlaveComputer$LogHolder.<clinit>(SlaveComputer.java:799)
	at hudson.slaves.SlaveComputer$SlaveInitializer.call(SlaveComputer.java:808)
	at hudson.slaves.SlaveComputer$SlaveInitializer.call(SlaveComputer.java:802)
	at hudson.remoting.UserRequest.perform(UserRequest.java:152)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:332)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	... 4 more
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContextListener
	at hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch(RemoteClassLoader.java:724)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:884)
	at hudson.remoting.Request$2.run(Request.java:332)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at org.jenkinsci.remoting.CallableDecorator.call(CallableDecorator.java:18)
	at hudson.remoting.CallableDecoratorList$1.call(CallableDecoratorList.java:21)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
	at ......remote call to channel(Native Method)
	at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416)
	at hudson.remoting.Request.call(Request.java:172)
	at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:252)
	at com.sun.proxy.$Proxy5.fetch(Unknown Source)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:259)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 19 more

ERROR: Connection terminated
java.io.IOException: Unexpected termination of the channel
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50)
Caused by: java.io.EOFException
	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2353)
	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2822)
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:804)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:301)
	at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:48)
	at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
ERROR: Process terminated with exit code 143

            Assignee:
            Oleg Nenashev
            Reporter:
            Oleg Nenashev
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: