java.io.FileNotFoundException: /srv/jenkins/.jenkins/jobs/ACE/jobs/service-ace-submission-api-MO-release/workspace/target/classes (Is a directory)
	at java.io.FileInputStream.open0(Native Method)
	at java.io.FileInputStream.open(FileInputStream.java:195)
	at java.io.FileInputStream.<init>(FileInputStream.java:138)
	at hudson.Util.getDigestOf(Util.java:803)
	at hudson.FilePath$38.invoke(FilePath.java:1922)
	at hudson.FilePath$38.invoke(FilePath.java:1919)
	at hudson.FilePath.act(FilePath.java:996)
	at hudson.FilePath.act(FilePath.java:974)
	at hudson.FilePath.digest(FilePath.java:1919)
	at org.jenkinsci.plugins.pipeline.maven.reporters.GeneratedArtifactsReporter.process(GeneratedArtifactsReporter.java:84)
	at org.jenkinsci.plugins.pipeline.maven.MavenSpyLogProcessor.processMavenSpyLogs(MavenSpyLogProcessor.java:101)
	at org.jenkinsci.plugins.pipeline.maven.WithMavenStepExecution$Callback.finished(WithMavenStepExecution.java:770)
	at org.jenkinsci.plugins.workflow.steps.BodyExecutionCallback$TailCall.onSuccess(BodyExecutionCallback.java:114)
	at org.jenkinsci.plugins.workflow.cps.CpsBodyExecution$SuccessAdapter.receive(CpsBodyExecution.java:362)
	at com.cloudbees.groovy.cps.Outcome.resumeFrom(Outcome.java:73)
	at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:146)
	at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:165)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:328)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$100(CpsThreadGroup.java:80)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:240)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:228)
	at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:64)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:112)
	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	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)