problems during dnsserver query

I hope that I am not wasting yout time,

This is the log from dnsserver-2007-05-01-09-52.log
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01/05/07 09:52:32 INFO dnsserver: Autodiscovery is enabled - trying to discover your system's DNS Servers
01/05/07 09:52:32 INFO dnsserver: Adding autodiscovered server 141.250.1.6
01/05/07 09:52:32 INFO dnsserver: Adding autodiscovered server 141.250.1.7
01/05/07 09:52:32 INFO dnsserver: DNS Server is: 141.250.1.6
01/05/07 09:52:32 INFO dnsserver: DNS Server is: 141.250.1.7
01/05/07 09:53:18 WARN dnsserver: Query error!
java.io.IOException: Bad file descriptor
at sun.nio.ch.FileDispatcher.closeIntFD(Native Method)
at sun.nio.ch.KQueueArrayWrapper.close(KQueueArrayWrapper.java:112)
at sun.nio.ch.KQueueSelectorImpl.implClose(KQueueSelectorImpl.java:133)
at sun.nio.ch.SelectorImpl.implCloseSelector(SelectorImpl.java:87)
at java.nio.channels.spi.AbstractSelector.close(AbstractSelector.java:91)
at org.xbill.DNS.Client.cleanup(Client.java:54)
at org.xbill.DNS.UDPClient.sendrecv(UDPClient.java:73)
at org.xbill.DNS.SimpleResolver.send(SimpleResolver.java:256)
at org.xbill.DNS.ResolveThread.run(ResolveThread.java:37)
01/05/07 09:53:18 INFO dnsserver: Couldn't resolve MX records for domain aspix.it.
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The IPs of the servers are right, james 2.2.0 works correctly,