Compact blob store task fails

Hi all,

We are having an issue with compact blobstore task. After following an advice to create a file metadata.properties as described here https://support.sonatype.com/hc/en-us/articles/360025325653-How-to-rebuild-the-Admin-Compact-blobstore-deletions-index-file-if-soft-deleted-blobs-are-orphaned we now face an issue.

2021-12-31 09:28:49,219+0100 WARN [quartz-8-thread-20] *SYSTEM org.sonatype.nexus.quartz.internal.task.QuartzTaskJob - Task c20a76ca-3d38-414b-ae59-a3594ebb768b : ‘Compact blob store’ [blobstore.compact] execution failure

org.sonatype.nexus.blobstore.api.BlobStoreException: java.nio.file.InvalidPathException: Nul character not allowed: vol-01/chap-01/.properties, Cause: Nul character not allowed: vol-01/chap-01/.properties
at org.sonatype.nexus.blobstore.file.FileBlobStore.doCompact(FileBlobStore.java:569)
at org.sonatype.nexus.blobstore.BlobStoreSupport.compact(BlobStoreSupport.java:230)
at org.sonatype.nexus.common.stateguard.MethodInvocationAction.run(MethodInvocationAction.java:39)
at org.sonatype.nexus.common.stateguard.StateGuard$GuardImpl.run(StateGuard.java:272)
at org.sonatype.nexus.common.stateguard.GuardedInterceptor.invoke(GuardedInterceptor.java:53)
at org.sonatype.nexus.blobstore.compact.internal.CompactBlobStoreTask.execute(CompactBlobStoreTask.java:53)
at org.sonatype.nexus.scheduling.TaskSupport.call(TaskSupport.java:100)
at org.sonatype.nexus.quartz.internal.task.QuartzTaskJob.doExecute(QuartzTaskJob.java:143)
at org.sonatype.nexus.quartz.internal.task.QuartzTaskJob.execute(QuartzTaskJob.java:106)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.sonatype.nexus.quartz.internal.QuartzThreadPool.lambda$0(QuartzThreadPool.java:145)
at org.sonatype.nexus.thread.internal.MDCAwareRunnable.run(MDCAwareRunnable.java:40)
at org.apache.shiro.subject.support.SubjectRunnable.doRun(SubjectRunnable.java:120)
at org.apache.shiro.subject.support.SubjectRunnable.run(SubjectRunnable.java:108)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

Any suggestions?

Thanks,

Aleks