I just checked and when I create a new BRL rule drools.packages has the comment on a single line.
I must assume there was some manual change made to introduce the error. 2011/5/18 Wolfgang Laun <[email protected]> > There is some code in 5.1.1 > org/drools/eclipse/rulebuilder/editors/RuleEditor.java > that creates a file "drools.package" with > > if ( !file.exists() ) { > String defaultHeader = "//This is a package > configuration file"; > defaultHeader += "\n//Add imports, globals etc here > which will be used by all the rule assets in this folder."; > InputStream is = new ByteArrayInputStream( > defaultHeader.getBytes() ); > > Note the missing newline at the end of defaultHeader. > > -W > > > > 2011/5/18 Michael Anstis <[email protected]> > >> //Add imports, globals etc here which will be used by all the rule assets >> in this folder. >> >> should be on one line, or add another comment marker at the start of the >> second line, e.g.:- >> >> >> //Add imports, globals etc here which will be used by all the rule assets >> in this folder. >> >> //Add imports, globals etc here which will be used by all the rule assets >> // in this folder. >> >> 2011/5/18 Abhay B. Chaware <[email protected]> >> >> I was able to reproduce your error … J try adding a new line ( enter ) >>> after the comment in the drools.package …. Or just remove the commented >>> line “//Add imports, globals etc here which will be used by all the rule >>> assets in this folder.” >>> >>> >>> >>> Your rule name is getting ‘commented out’ ……… >>> >>> >>> >>> -abhay >>> >>> *-----------------------* >>> >>> * * >>> >>> * * >>> >>> * * >>> >>> *From:* [email protected] [mailto: >>> [email protected]] *On Behalf Of *Michael Anstis >>> *Sent:* Wednesday, May 18, 2011 2:53 PM >>> >>> *To:* Rules Users List >>> *Subject:* Re: [rules-users] Facing Problem in BRL >>> >>> >>> >>> This looks rogue:- >>> >>> //Add imports, globals etc here which will be used by all the rule assets >>> in this folder >>> >>> Can you post the content of your drools.packages file? >>> >>> On 18 May 2011 10:19, Sumeet Karawal <[email protected]> wrote: >>> >>> This is the output that I get : >>> >>> //This is a package configuration file >>> >>> package com.rules; >>> >>> import com.model.PersonDetails; >>> >>> //Add imports, globals etc here which will be used by all the rule assets >>> in this folder.rule "example" >>> dialect "mvel" >>> when >>> $person : PersonDetails( age < "20" ) >>> >>> then >>> $person.setDiscount( 10 ); >>> end >>> >>> java.lang.RuntimeException: [8,1]: [ERR 102] Line 8:1 mismatched input >>> 'WHEN' >>> >>> Regards, >>> Sumeet Karawal >>> Mailto: [email protected] >>> >>> >>> >>> From: "Abhay B. Chaware" <[email protected]> >>> >>> To: Rules Users List <[email protected]> >>> >>> Date: 05/18/2011 02:47 PM >>> >>> >>> Subject: Re: [rules-users] Facing Problem in BRL >>> >>> Sent by: [email protected] >>> >>> >>> >>> >>> >>> >>> Can you write the outputDRL to System.out and check if the generated DRL >>> syntax is correct ? >>> >>> System.out.println(outputDRL); >>> >>> Before instantiating KnowledgeBuilder >>> >>> >>> >>> >>> -----Original Message----- >>> From: [email protected] [ >>> mailto:[email protected]] On Behalf Of Sumeet Karawal >>> Sent: Wednesday, May 18, 2011 2:42 PM >>> To: Rules Users List >>> Subject: Re: [rules-users] Facing Problem in BRL >>> >>> I tried to use this also but now I am getting different error: >>> java.lang.RuntimeException: [8,1]: [ERR 102] Line 8:1 mismatched input >>> 'WHEN' >>> >>> >>> Also, what is the significance of the first line. I have copied it as the >>> same. >>> >>> My code is : >>> >>> String curDir = System.getProperty("user.dir"); >>> String fileName = curDir + "\\src\\com\\rules >>> \\drools.package"; >>> String rulePackageContent = >>> FileUtils.readFileToString(new >>> File >>> (fileName)); >>> fileName = curDir + "\\src\\com\\rules\\example.brl"; >>> String brl = FileUtils.readFileToString(new >>> File(fileName)); >>> BRLPersistence read = BRXMLPersistence.getInstance(); >>> BRLPersistence write = BRDRLPersistence.getInstance(); >>> String outputDRL = rulePackageContent + write.marshal >>> (read.unmarshal >>> (brl)); >>> KnowledgeBuilder builder = KnowledgeBuilderFactory. >>> newKnowledgeBuilder(); >>> builder.add(ResourceFactory.newReaderResource(new >>> StringReader >>> (outputDRL)), ResourceType.DRL); >>> >>> >>> if (builder.hasErrors()) { >>> throw new RuntimeException (builder.getErrors().toString ()); >>> } >>> KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(); >>> knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages ()); >>> >>> I don't know where I am getting this wrong. >>> >>> Regards, >>> Sumeet Karawal >>> Mailto: [email protected] >>> >>> >>> >>> From: "Abhay B. Chaware" <[email protected]> >>> >>> >>> To: Rules Users List <[email protected]> >>> >>> >>> Date: 05/18/2011 01:09 PM >>> >>> >>> Subject: Re: [rules-users] Facing Problem in BRL >>> >>> >>> Sent by: [email protected] >>> >>> >>> >>> >>> >>> >>> >>> I haven't been able to get "ResourceType.BRL" to work. This is how I do >>> it .. >>> >>> String curDir = System.getProperty("user.dir"); >>> String fileName = curDir + "\\src\\main\\rules\\drools.package"; >>> String rulePackageContent = FileUtils.readFileToString(new >>> File(fileName)); >>> >>> fileName = curDir + "\\src\\main\\rules\\eligibility.brl"; >>> String brl = FileUtils.readFileToString(new File(fileName)); >>> BRLPersistence read = BRXMLPersistence.getInstance(); >>> BRLPersistence write = BRDRLPersistence.getInstance(); >>> String outputDRL = rulePackageContent + >>> write.marshal(read.unmarshal(brl)); >>> >>> KnowledgeBuilder kbuilder = >>> KnowledgeBuilderFactory.newKnowledgeBuilder(); >>> kbuilder.add(ResourceFactory.newReaderResource(new StringReader >>> (outputDRL)), ResourceType.DRL); >>> >>> >>> Try this. >>> >>> >>> -abhay >>> >>> -----Original Message----- >>> From: [email protected] [ >>> mailto:[email protected]] On Behalf Of Sumeet Karawal >>> Sent: Wednesday, May 18, 2011 11:47 AM >>> To: Rules Users List >>> Subject: Re: [rules-users] Facing Problem in BRL >>> >>> This is the brl that I have created: >>> >>> >>> (Embedded image moved to file: pic18001.jpg) >>> >>> >>> Regards, >>> Sumeet Karawal >>> Mailto: [email protected] >>> >>> >>> >>> From: "Abhay B. Chaware" <[email protected]> >>> >>> >>> To: Rules Users List <[email protected]> >>> >>> >>> Date: 05/18/2011 11:42 AM >>> >>> >>> Subject: Re: [rules-users] Facing Problem in BRL >>> >>> >>> Sent by: [email protected] >>> >>> >>> >>> >>> >>> >>> >>> Could you post your rule content here ? >>> >>> >>> -----Original Message----- >>> From: [email protected] [ >>> mailto:[email protected]] On Behalf Of Sumeet Karawal >>> Sent: Wednesday, May 18, 2011 11:38 AM >>> To: [email protected] >>> Subject: [rules-users] Facing Problem in BRL >>> >>> >>> Hi, >>> >>> I am using Drools-Expert. I am having a class "Person" with data members >>> as >>> age and discount. >>> I am trying to create a .brl. I have these statements in drools.package >>> package com.rules; >>> >>> import com.model.PersonDetails; >>> >>> >>> and in the example.brl I am providing the details of when and then >>> conditions >>> >>> but on execution I am getting the following error : >>> >>> java.lang.RuntimeException: [4] Unable to expand: PersonDetails( age < >>> "20" )[6] Unable to expand: >>> PersonDetails fact0 = new >>> PersonDetails >>> ();[7] Unable to expand: >>> fact0.setDiscount >>> ( 10 );[8] Unable to >>> expand: >>> insert(fact0 ); >>> >>> >>> It would be helpful is somebody guide me on how execute it. >>> >>> Also, I am creating the knowledgebase as: >>> >>> private static KnowledgeBase createKnowledgeBase() { >>> KnowledgeBuilder builder = >>> KnowledgeBuilderFactory.newKnowledgeBuilder(); >>> builder.add (ResourceFactory.newClassPathResource( >>> "com/rules/example.brl"),ResourceType.BRL); >>> if (builder.hasErrors()) { >>> throw new RuntimeException (builder.getErrors().toString ()); >>> } >>> KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(); >>> knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages ()); >>> return knowledgeBase;} >>> >>> >>> Thanks & Regards, >>> Sumeet Karawal >>> CEG - Open Source Technology Group >>> Tata Consultancy Services >>> Ph:- +912267782556 >>> Cell:- +919833236440 >>> Mailto: [email protected] >>> Website: http://www.tcs.com >>> ____________________________________________ >>> Experience certainty. >>> IT >>> Services >>> >>> Business Solutions >>> >>> Outsourcing >>> ____________________________________________ >>> >>> =====-----=====-----===== >>> Notice: The information contained in this e-mail >>> message and/or attachments to it may contain >>> confidential or privileged information. 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