exception

• Aborted Exception

  • shutdown physical agent

  • shutdown pod

references:

• Class java.lang.Throwable

• Class Throwable

• * Java Custom Exceptions and Best Practices

Aborted Exception

references:

• Class hudson.AbortException

shutdown physical agent

e.getClass()       // class hudson.remoting.RequestAbortedException

e.cause            // java.io.IOException: Unexpected termination of the channel
e.cause.getClass() // class java.io.IOException
e.cause.dump()     // detailMessage=Unexpected termination of the channel
                   // cause=java.io.EOFException

e.message          // java.io.IOException: Unexpected termination of the channel

shutdown pod

references:

• Class hudson.remoting.RequestAbortedException

• Class java.nio.channels.ClosedChannelException

before fully initialized

references:

• Class org.jenkinsci.plugins.workflow.support.steps.AgentOfflineException

• How to retry a Jenkins Pipeline stage with an agent condition

after fully initialized

references:

• Java Suppressed Exceptions with Examples

• Example usage for java.lang InterruptedException getCause

• The hierarchy of ClosedChannelException

e.getClass()       // class hudson.remoting.RequestAbortedException

e.cause            // java.nio.channels.ClosedChannelException
e.cause.getClass() // class java.nio.channels.ClosedChannelException

e.message          // java.nio.channels.ClosedChannelException

e.suppressed.getClass()                              // class [Ljava.lang.Throwable
e.suppressed.collect { it.getClass() }.join('\n')    // class hudson.remoting.Channel$CallSiteStackTrace
e.suppressed.collect { it.message }.join('\n')       // Remote call to JNLP4-connect connection from 10.244.13.1/10.244.13.1:59576

• sample in CI

  import hudson.remoting.RequestAbortedException
  
  try {
    ...
  } catch ( RequestAbortedException e ) {
    Throwable throwable = e.getCause()
    if ( throwable instanceof java.nio.channels.ClosedChannelException ) {
      String msg = "FAILED : ${e.message} : ${e.suppressed.collect{ it.message }. join(' && ')}"
      error ( msg )
    }
  } catch ( Exception e ) {
    def sw = new StringWriter()
    e.printStackTrace( new PrintWriter(sw) )
    echo sw.toString()
    throw e
  }

• more samples

  import static java.lang.System.err ;
  
  try {
    ...
  } catch( Exception ex ) {
    err.println( "Exception encountered: " + ex.toString() );
    final Throwable[] suppressedExceptions = ex.getSuppressed();
    final int numSuppressed = suppressedExceptions.length;
    if ( numSuppressed ) {
      err.println( "There are ${numSuppressed} suppressed exceptions: " );
      for ( final Throwable exception : suppressedExceptions ) {
        err.println( exception.toString() );
      }
    }
  }