java.io.IOException: remote file operation failed: /u01/jenkins_slave at hudson.remoting.Channel@383d3541:sbt-oainr-0055: java.io.IOException: Failed to deserialize response to UserRequest:org.jenkinsci.plugins.fstrigger.triggers.FolderContentTrigger$1@8dff1d7: java.lang.SecurityException: Rejected: org.jenkinsci.lib.xtrigger.AbstractTrigger; see https://jenkins.io/redirect/class-filter/
at hudson.FilePath.act(FilePath.java:1016)
at hudson.FilePath.act(FilePath.java:998)
at org.jenkinsci.plugins.fstrigger.triggers.FolderContentTrigger.getMd5Map(FolderContentTrigger.java:186)
at org.jenkinsci.plugins.fstrigger.triggers.FolderContentTrigger.checkIfModified(FolderContentTrigger.java:151)
at org.jenkinsci.lib.xtrigger.AbstractTrigger$Runner.run(AbstractTrigger.java:199)
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.io.IOException: Failed to deserialize response to UserRequest:org.jenkinsci.plugins.fstrigger.triggers.FolderContentTrigger$1@8dff1d7: java.lang.SecurityException: Rejected: org.jenkinsci.lib.xtrigger.AbstractTrigger; see https://jenkins.io/redirect/class-filter/
at hudson.remoting.Channel.call(Channel.java:960)
at hudson.FilePath.act(FilePath.java:1009)
... 7 more