tomcat 4.1.12 ssl connector stop responding

["ing.Marco Baiguera" <ba...@dualservice.it>]

i'm using tomcat 4.1.12 on jdsk 1.4.0 as a standalone server with coyote http 1.1 connector 
having http (8080) connector accessible from internal lan only and https (8443) accessible from external hosts (natted to port 443)
after two-three days tomcat stops responding on the https connector (runs ok on http) without any exception or log trace.
any hint?
follows my connector configuration.
what about "useURIValidationHack" (can't find any documentation on this) ?
thank you

 <Connector className="org.apache.coyote.tomcat4.CoyoteConnector" acceptCount="10" 
bufferSize="2048" connectionTimeout="60000" debug="0" enableLookups="false" maxProcessors="10" 
minProcessors="5" port="8443" protocolHandlerClassName="org.apache.coyote.http11.Http11Protocol" 
proxyPort="0" redirectPort="8443" scheme="https" secure="true" tcpNoDelay="true" 
useURIValidationHack="true">
      <Factory className="org.apache.coyote.tomcat4.CoyoteServerSocketFactory" clientAuth="false" 
keystoreFile="/var/tomcat4/.keystore" keystorePass="***" keystoreType="JKS" protocol="TLS" 
randomFile="/var/tomcat4/random.pem" rootFile="/var/tomcat4/root.pem"/>
    </Connector>

-------------------------------------------------------
Ing. Marco Baiguera
Web Application Designer

T.C.TELECENTRAL s.r.l.
Via Fura, 10
25122 Brescia - Italy
Tel  +39 030 3510711
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