Stacktrace on minor warning is excessive

FINE: Invalid line in '/home/test/MSS/harvester_high/1_1353399367230/logs/crawl.log' line 9: '2012-11-20T08:16:13.268Z 302 195 http://www/ RX http://www.kb.dk/da/index.html text/html #036 20121120081613259+6 sha1:X4YWQAWAQSK22MFCA3OI4K4BEX2JMISD - content-size:627,3t'. Ignoring.
dk.netarkivet.common.exceptions.ArgumentNotValid: Unable to find a domainName in the line: '2012-11-20T08:16:13.268Z 302 195 http://www/ RX http://www.kb.dk/da/index.html text/html #036 20121120081613259+6 sha1:X4YWQAWAQSK22MFCA3OI4K4BEX2JMISD - content-size:627,3t'.
at dk.netarkivet.harvester.harvesting.report.AbstractHarvestReport.processHarvestLine(AbstractHarvestReport.java:408)
at dk.netarkivet.harvester.harvesting.report.AbstractHarvestReport.parseCrawlLog(AbstractHarvestReport.java:318)
at dk.netarkivet.harvester.harvesting.report.AbstractHarvestReport.preProcess(AbstractHarvestReport.java:158)
at dk.netarkivet.harvester.harvesting.report.AbstractHarvestReport.<init>(AbstractHarvestReport.java:137)
at dk.netarkivet.harvester.harvesting.report.LegacyHarvestReport.<init>(LegacyHarvestReport.java:78)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at dk.netarkivet.common.utils.SettingsFactory.getInstance(SettingsFactory.java:96)
at dk.netarkivet.harvester.harvesting.report.HarvestReportFactory.generateHarvestReport(HarvestReportFactory.java:51)
at dk.netarkivet.harvester.harvesting.HarvestController.storeFiles(HarvestController.java:376)
at dk.netarkivet.harvester.harvesting.distribute.HarvestControllerServer.processHarvestInfoFile(HarvestControllerServer.java:602)
at dk.netarkivet.harvester.harvesting.distribute.HarvestControllerServer.access$400(HarvestControllerServer.java:99)
at dk.netarkivet.harvester.harvesting.distribute.HarvestControllerServer$HarvesterThread.run(HarvestControllerServer.java:726