[rules-users] expectation for -Ddrools.dump.dir to show DRL error context ..

[Cotton, Ben]

Also, FYI, I tried to use the following explicit DROOLs code to see if I could gain a view of the staged .DRL generation.  No luck, my $DroolsDumpDir/ directory has nothing any it.

Do I need to do some kind of

  File droolsDumpDir = new File( "C:/MSDE/cottoben/DroolsDumpDir/" );
        SingleValueKnowledgeBuilderOption ddOption = org.drools.builder.conf.DumpDirOption.get( droolsDumpDir );
        KnowledgeBuilderConfiguration kbConfig =
            KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration();
        kbConfig.setOption( ddOption );
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( kbConfig );

        kbuilder.add(new ByteArrayResource(drl.getBytes()), ResourceType.DRL);

        //compilation errors?
        if (kbuilder.hasErrors()) {
            System.out.println("Error compiling resources:");
            Iterator<KnowledgeBuilderError> errors = kbuilder.getErrors().iterator();
            while (errors.hasNext()) {
                System.out.println("\t" + errors.next().getMessage());
            }
            throw new IllegalStateException("Error compiling resources");
        }

        //print out the generated .DRL
        System.out.println(drl);

From: rules-users-bounces at lists.jboss.org [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Cotton, Ben (ISGT)
Sent: Monday, November 19, 2012 11:49 AM
To: rules-users at lists.jboss.org
Subject: [rules-users] expectation for -Ddrools.dump.dir to show DRL error context ..

Hi,

I thought this worked for me at some point, but, I now seem to have lost my ability to get any debuggable DRL error contexts via the -Ddrools.dump.dir property.

Here is my command line, that simply borrows from the DROOLs sample package's  Cheese.xls SpreadsheetCompiler example , to produce a .DRL from an (.XLS, .DRT) input pair:

java com.ms.fast.triclear.eligibility.rules.GenerateDRLfromEligibilityRulesRepoViaDRT \
        -Ddrools.dump.dir=./DroolsDumpDir \
        ../main/packages/com/ms/fast/triclear/eligibility/rules/IRD_PRODUCT_RULES_FEED_TO_DRT_Template-BASIS.xls \
        ../main/packages/com/ms/fast/triclear/eligibility/rules/IRD_PRODUCT_RULES_TEMPLATE-BASIS.drt   \
        2>&1 | grep -v Picked | \
        tee ../main/packages/com/ms/fast/triclear/eligibility/rules/IRD_PRODUCT_RULES=RENDERED.drl

This command line produces the following errors:

Error compiling resources:
        [ERR 102] Line 923:0 mismatched input ''
        [ERR 101] Line 8:60 no viable alternative at input '"LCH US"' in rule "IRD_PRODUCT_RULE_24"
        [ERR 101] Line 46:60 no viable alternative at input '"LCH EU. SCM"' in rule "IRD_PRODUCT_RULE_23"
        Parser returned a null Package
Exception in thread "main" java.lang.IllegalStateException: Error compiling resources
        at com.ms.fast.triclear.eligibility.rules.GenerateDRLfromEligibilityRulesRepoViaDRT.buildKBase(GenerateDRLfromEligibilityRulesRepoViaDRT.java:93)
        at com.ms.fast.triclear.eligibility.rules.GenerateDRLfromEligibilityRulesRepoViaDRT.execute(GenerateDRLfromEligibilityRulesRepoViaDRT.java:50)
        at com.ms.fast.triclear.eligibility.rules.GenerateDRLfromEligibilityRulesRepoViaDRT.main(GenerateDRLfromEligibilityRulesRepoViaDRT.java:44)

Unfortunately, my ./DroolsDumpDir/ directory contents are completely empty.  I was hopeful it might contain a staged .DRL context from which I could more easily debug my roadblock.

Is there more that I have to do, beyond just passing -Ddrools.dump.dir=./DroolsDumpDir on the command line?


Ben D Cotton III
Morgan Stanley & Co.
OTC Derivatives Clearing Technology
1221 AOTA Rockefeller Ctr - Flr 27
New York, NY 10020
(212)762.9094
ben.cotton at ms.com<mailto:ben.cotton at ms.com>



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NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing.
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