Stuck thread waiting for lock com.octetstring.vde.util.Logger

Still investigating...

      "[STUCK] ExecuteThread: '50' for queue: 'weblogic.kernel.Default (self-tuning)'" waiting for lock com.octetstring.vde.util.Logger@756ddaa7 WAITING
          
               java.lang.Object.wait(Native Method)
          
               java.lang.Object.wait(Object.java:485)
          
               com.octetstring.vde.util.Logger.writeLock(Logger.java:201)
          
               com.octetstring.vde.util.Logger.log(Logger.java:282)
          
               com.octetstring.vde.backend.standard.BackupTask.writeFile(BackupTask.java:94)
          
               com.octetstring.vde.backend.standard.BackupTask.runTask(BackupTask.java:58)
          
                    com.octetstring.vde.util.TimedActivityThread.runOnDemand(TimedActivityThread.java:76)
          
                    weblogic.ldap.EmbeddedLDAP$EmbeddedLDAPTimedActivity.timerExpired(EmbeddedLDAP.java:1570)
          
               weblogic.timers.internal.TimerImpl.run(TimerImpl.java:273)
          
                    weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528)
          
               weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
          
               weblogic.work.ExecuteThread.run(ExecuteThread.java:178)