java.lang.NumberFormatException: For input string: ""
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Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.
You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.
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java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at jenkins.model.PeepholePermalink.resolve(PeepholePermalink.java:92)
at hudson.model.Job.getLastSuccessfulBuild(Job.java:854)
at hudson.model.Job.getEstimatedDurationCandidates(Job.java:941)
at hudson.model.Job.getEstimatedDuration(Job.java:975)
at hudson.model.queue.MappingWorksheet.
(MappingWorksheet.java:335) at hudson.model.queue.MappingWorksheet.
(MappingWorksheet.java:318) at hudson.model.Queue.maintain(Queue.java:1044)
at hudson.model.Queue$MaintainTask.doRun(Queue.java:2010)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source)
at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)