Traps folder keeps being deleted at service startup

[EmilPop]

SIM 7.5 installation. From time to time I notice that there are a number of xml files in the traps folder and they're not getting processed. I restart the HP SIM service. After the service startup, the traps folder is deleted. I create it manually again. Traps are starting to accumulate in there, but they are still not processed. I get this error in mxdomainmgr.0.log:

26 Nov 12:31:36,056 INFO  [HPSIM_DEBUG] [Panic Logger-0] (Windows TrapListener(registered on 162)) <------ Problem starting WatchService trying again ------>
26 Nov 12:31:36,056 INFO  [HPSIM_DEBUG] [Status-0] (Windows TrapListener(registered on 162)) WinTrapForwarder : addFileWatcher --> exiting
26 Nov 12:31:36,058 ERROR [STDERR] Exception in thread "Windows TrapListener(registered on 162)"
26 Nov 12:31:36,061 ERROR [STDERR] java.lang.ExceptionInInitializerError
26 Nov 12:31:36,062 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.WinTrapForwarder.getInstance(WinTrapForwarder.java:103)
26 Nov 12:31:36,062 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.SNMPTrapListener$1.run(SNMPTrapListener.java:146)
26 Nov 12:31:36,062 ERROR [STDERR]  at java.lang.Thread.run(Thread.java:745)
26 Nov 12:31:36,062 ERROR [STDERR] Caused by: java.lang.IllegalMonitorStateException
26 Nov 12:31:36,062 ERROR [STDERR]  at java.lang.Object.wait(Native Method)
26 Nov 12:31:36,062 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.WinTrapForwarder.addFileWatcher(WinTrapForwarder.java:388)
26 Nov 12:31:36,063 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.WinTrapForwarder.init(WinTrapForwarder.java:284)
26 Nov 12:31:36,063 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.WinTrapForwarder.<init>(WinTrapForwarder.java:108)
26 Nov 12:31:36,063 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.WinTrapForwarder.<init>(WinTrapForwarder.java:68)
26 Nov 12:31:36,063 ERROR [STDERR]  at com.hp.mx.core.protocol.snmp.trap.WinTrapForwarder$WinTrapForwarderHolder.<clinit>(WinTrapForwarder.java:99)
26 Nov 12:31:36,063 ERROR [STDERR]  ... 3 more