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

[Wolfgang Laun]

For ResourceType.DRL, the DumpDirOption isn't going to help. It is
provided for compilations where the source is "pre-DRL", such as
decision tables.

-W

On 19/11/2012, Cotton, Ben <Ben.Cotton at morganstanley.com> wrote:
> 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
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