fix #396 : add timeout options for jcifs

src/main/resources/fess_config.properties

@@ -41,7 +41,11 @@ jvm.suggest.options=\
 -XX:CMSInitiatingOccupancyFraction=75\n\
 -XX:+UseParNewGC\n\
 -XX:+UseTLAB\n\
--XX:+DisableExplicitGC
+-XX:+DisableExplicitGC\n\
+-Djcifs.smb.client.connTimeout=60000\n\
+-Djcifs.smb.client.soTimeout=35000\n\
+-Djcifs.smb.client.responseTimeout=30000\n\
+
 
 #-Xdebug\n\
 #-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=127.0.0.1:8000\n\