Re: [rules-users] Resource Change Scanner Service modified date error

+1 to Thomas' proposal: the first step would be to change the thrown Exception to UnsupportedOperationException. Of course this will be a temporary change until Dean implements all the methods in the correct way :) Best Regards XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Esteban Aliverti - Developer @ http://www.plugtree.com - Blog @ http://ilesteban.wordpress.com 2012/1/6 Swindells, Thomas <TSwindells(a)nds.com&gt; As well as the message not making sense the exception should also really > be UnsupportedOperationException, of course the preference is for someone > to implement it and make it supported!**** > > ** ** > > Thomas**** > > ** ** > > *From:* rules-users-bounces(a)lists.jboss.org [mailto: > rules-users-bounces(a)lists.jboss.org] *On Behalf Of *Esteban Aliverti > *Sent:* 06 January 2012 09:14 > *To:* Rules Users List > *Subject:* Re: [rules-users] Resource Change Scanner Service modified > date error**** > > ** ** > > Could you please share with us how are you adding your resources to the > agent? According to what you are saying I assume you are using a > ReaderResource. According to Drools code, ReaderResource doesn't support > most of org.drools.io.internal.InternalResource methods. Some of these > methods (i.e. getLastModified()) are used by ResourceScanner to check if a > resource has actually changed.**** > > So if we take a look at ReaderResource.getLastModified() we will see this: > **** > > ** ** > > public long getLastModified() {**** > > throw new IllegalStateException( "reader does have a modified date" ); > **** > > } **** > > ** ** > > You can find the whole source code here: > https://github.com/droolsjbpm/drools/blob/master/drools-core/src/main/jav... > **** > > ** ** > > So, don't expect this to work :)**** > > ** ** > > There are 2 things you can do:**** > > 1. Submit a patch for ReaderResource.java implementing all the > unimplemented methods :) **** > 2. Use a different Resource like UrlResource, FileResource, > InputStreamResource, etc. **** > > In my opinion, Bug 733008 must be reopened until someone (maybe you > Dean) provides a correct implementation of ReaderResource. **** > > ** ** > > Best Regards,**** > > > XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX > > Esteban Aliverti > - Developer @ http://www.plugtree.com > - Blog @ http://ilesteban.wordpress.com > > **** > > On Fri, Jan 6, 2012 at 8:53 AM, Dean <dean(a)qualica.com&gt; wrote:**** > > I'm pretty sure this issue is the same as Bug 733008 > (https://bugzilla.redhat.com/show_bug.cgi?id=733008). > > I have updated the class from Bug 733008 to reproduce the bug in Drools > 5.4.0.Beta1: > > http://drools.46999.n3.nabble.com/file/n3637279/AgentTest.java > AgentTest.java > > It doesn't seem to be possible to scan a resource for changes at all. Even > if I execute ResourceFactory.getResourceChangeScannerService().scan(); > directly, I get the same error message: > > [2012-01-06 09:47:57,144:exception]**** > > java.lang.IllegalStateException: reader does have a modified date**** > > at > org.drools.io.impl.ReaderResource.getLastModified(ReaderResource.java:64) > at > > org.drools.io.impl.ResourceChangeScannerImpl.scan(ResourceChangeScannerImpl.java:166) > at > > org.drools.io.impl.ResourceChangeScannerImpl$ProcessChangeSet.run(ResourceChangeScannerImpl.java:311) > at java.lang.Thread.run(Thread.java:662) > > (As a side note the error message should probably read: reader does /not/ > have a modified date) > > Regards > > Dean > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Resource-Change-Scanner-Service-modifie... > **** > > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users**** > > ** ** > > ------------------------------ > > > ************************************************************************************** > This message is confidential and intended only for the addressee. If you > have received this message in error, please immediately notify the > postmaster(a)nds.com and delete it from your system as well as any copies. > The content of e-mails as well as traffic data may be monitored by NDS for > employment and security purposes. To protect the environment please do not > print this e-mail unless necessary. > > NDS Limited. Registered Office: One London Road, Staines, Middlesex, TW18 > 4EX, United Kingdom. A company registered in England and Wales. Registered > no. 3080780. VAT no. GB 603 8808 40-00 > > ************************************************************************************** > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users