After collecting samples and /flare sample stop - error

[alppp]

[09:31:20] [Server thread/INFO] [minecraft/DedicatedServer]: [✳] Stopping Sampler...
[09:31:20] [Server thread/INFO] [minecraft/DedicatedServer]: [✳] Sampling operation failed unexpectedly! Error:  (see console for more information)
[09:31:20] [Server thread/FATAL] [Flare]: java.lang.NullPointerException: Cannot invoke "com.cleanroommc.flare.common.sampler.async.AsyncProfilerJob.stop()" because "this.currentJob" is null

flare 0.7.0
cleanroom-0.3.0 alpha

[Krutoy242]

Have similar issue on E2EE server.

1. Execute /flare sampler start
2. Error:
   
3. Log:

[flare-async-sampler-1/INFO] [STDERR]: [com.cleanroommc.flare.common.sampler.async.AsyncSampler:rotateProfilerJob:127]:

com.cleanroommc.flare.common.sampler.async.jfr.JfrParsingException: Error parsing JFR data from profiler output
	at com.cleanroommc.flare.common.sampler.async.AsyncProfilerJob.aggregate(AsyncProfilerJob.java:194)
	at com.cleanroommc.flare.common.sampler.async.AsyncSampler.rotateProfilerJob(AsyncSampler.java:119)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

 [flare-async-sampler-1/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:635]:

Caused by: java.lang.IllegalArgumentException: Invalid string encoding
	at com.cleanroommc.flare.common.sampler.async.jfr.JfrReader.getString(JfrReader.java:499)
	at com.cleanroommc.flare.common.sampler.async.jfr.JfrReader.readActiveSetting(JfrReader.java:192)
	at com.cleanroommc.flare.common.sampler.async.jfr.JfrReader.readEvent(JfrReader.java:142)
	at com.cleanroommc.flare.common.sampler.async.jfr.JfrReader.readAllEvents(JfrReader.java:106)
	at com.cleanroommc.flare.common.sampler.async.AsyncProfilerJob.readSegments(AsyncProfilerJob.java:210)
	at com.cleanroommc.flare.common.sampler.async.AsyncProfilerJob.aggregate(AsyncProfilerJob.java:184)
	... 8 more

debug.log

[Krutoy242]

Update: this happens only on dedicated server. Single player is fine.