"SharedConfigurationSynchronizer thread" #9192 daemon prio=5 os_prio=0 tid=0x00007fb33c134000 nid=0x3718 runnable [0x00007fb336bec000]
   java.lang.Thread.State: RUNNABLE
	at java.io.UnixFileSystem.getBooleanAttributes0(Native Method)
	at java.io.UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:242)
	at java.io.File.exists(File.java:819)
	at hudson.plugins.jobConfigHistory.HistoryFileFilter.accept(HistoryFileFilter.java:41)
	at java.io.File.listFiles(File.java:1291)
	at hudson.plugins.jobConfigHistory.FileHistoryDao.getRevisions(FileHistoryDao.java:335)
	at hudson.plugins.jobConfigHistory.FileHistoryDao.getRevisions(FileHistoryDao.java:325)
	at hudson.plugins.jobConfigHistory.FileHistoryDao.getRevisions(FileHistoryDao.java:320)
	at hudson.plugins.jobConfigHistory.FileHistoryDao.hasDuplicateHistory(FileHistoryDao.java:559)
	at hudson.plugins.jobConfigHistory.FileHistoryDao.checkDuplicate(FileHistoryDao.java:581)
	at hudson.plugins.jobConfigHistory.FileHistoryDao.saveItem(FileHistoryDao.java:269)
	at hudson.plugins.jobConfigHistory.JobConfigHistorySaveableListener.onChange(JobConfigHistorySaveableListener.java:54)
	at hudson.model.listeners.SaveableListener.fireOnChange(SaveableListener.java:81)
	at jenkins.model.Jenkins.save(Jenkins.java:3134)
	- locked <0x00000006c8382f38> (a hudson.model.Hudson)
	at hudson.BulkChange.commit(BulkChange.java:98)
	at com.cloudbees.opscenter.context.config.ToolsInstallerSnippetHandler.consume(ToolsInstallerSnippetHandler.java:90)
	- locked <0x00000006c5a42bd8> (a com.cloudbees.opscenter.context.config.ToolsInstallerSnippetHandler)
	at com.cloudbees.opscenter.context.config.ConfigurationSnippetRefresher.execute(ConfigurationSnippetRefresher.java:56)
	at hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:100)
	at java.lang.Thread.run(Thread.java:745)

   Locked ownable synchronizers:
	- None