Since (I believe) SKARA-1071, we are seeing quite frequent intermittent exceptions from the CSRBot. This comes from a failure to look up the issue when following an issue link. I'm still not sure why this happens and why it's not consistently happening.

java.util.NoSuchElementException: No value present
at java.base/java.util.Optional.orElseThrow(Optional.java:377)
at org.openjdk.skara.issuetracker/org.openjdk.skara.issuetracker.jira.JiraIssue.lambda$links$9(JiraIssue.java:372)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
at org.openjdk.skara.issuetracker/org.openjdk.skara.issuetracker.jira.JiraIssue.links(JiraIssue.java:376)
at org.openjdk.skara.bots.csr/org.openjdk.skara.bots.csr.CSRBot.csrLink(CSRBot.java:64)
at org.openjdk.skara.bots.csr/org.openjdk.skara.bots.csr.CSRBot.run(CSRBot.java:88)
at org.openjdk.skara.bot/org.openjdk.skara.bot.BotRunner$RunnableWorkItem.runMeasured(BotRunner.java:190)
at org.openjdk.skara.bot/org.openjdk.skara.bot.BotRunner$RunnableWorkItem.run(BotRunner.java:146)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)