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Error Unable To Access Property Null Parent Drool

Atlassian Linked ApplicationsLoading…DashboardsProjectsIssues Help JIRA Core help Keyboard Shortcuts About JIRA JIRA Credits Log In Sign Up JBRULESJBRULES-2481Unable to reference globals in object constructors on RHS of ruleLog In ExportXMLWordPrintableDetails Type: Caused by: [Error: unable to access property (null parent): id][Near : {... You may want to consider re-writing your rules or you can use MVEL's null safe navigation for this. Browse other questions tagged java drools or ask your own question. http://netfiscal.com/error-unable/error-unable-to-access-property-null-parent.html

Use mvn test to see the failure. How do publish end remote events work Is a Windows XP virtual machine with no network connection safe from hacking? Unknown ....}] ^ [Line: 1, Column: 0] Next message: [rules-users] Is it possible to tell what condition and thresholds caused a rule to fire? BUT when i want to TEST it in testing scenario I have this exception: ERROR 12-01 11:37:25,159 (RepositoryServiceServlet.java:doUnexpectedFailure:74) org.drools.RuntimeDroolsException: Exception executing predicate [email protected] And in the server log i got more, http://drools-moved.46999.n3.nabble.com/org-drools-runtime-rule-ConsequenceException-Error-unable-to-access-property-null-parent-add-Near-Un-td59735.html

import test.domain.Field; #declare any global variables here global test.service.CalendarManager calendarManager; dialect "mvel" rule "FieldRuleTest.todayField" when then new Field("todayField",calendarManager.getToday()) end After reading this DRL with PackageBuilder, creating a StatefulSession from the resulting Free forum by Nabble Edit this page [rules-users] org.drools.runtime.rule.ConsequenceException: [Error: unable to access property (null parent): add] [Near : {... It is just not there.

Kind regardsMeeraj 2010/7/16 David Sinclair <[hidden email]> Drools doesn't use short circuit evaluation, so all of those ORs are going to be evaluated. All I have to add is a global (which is needed by my rules), however the blank screen and the error message are not helpful to resolve this issue. Unknown ....} ] ^ [Line: 1, Column: 0] at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:860) at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getBeanProperty(ReflectiveAccessorOptimizer.java:584) at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:312) at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:138) at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:133) at org.mvel2.compiler.ExecutableAccessor.getValue(ExecutableAccessor.java:41) at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileConstructor(ReflectiveAccessorOptimizer.java:1090) at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeObjectCreation(ReflectiveAccessorOptimizer.java:1047) at org.mvel2.ast.NewObjectNode.getReducedValueAccelerated(NewObjectNode.java:158) at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85) at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:104) at They are not.

Rule 1 checks all the nested attributes are not null and set the status as invalid if any of them is null. You'll also get performance improvements by doing so. Like Show 0 Likes(0) Actions 3. http://lists.jboss.org/pipermail/rules-users/2009-April/008514.html You may want to consider re-writing your rules or you can use MVEL's null safe navigation for this.

You can not post a blank message. Unknown ....}]             ^[Line: 1, Column: 0]    at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:861) RegardsMeeraj _______________________________________________ rules-users mailing list [hidden email] https://lists.jboss.org/mailman/listinfo/rules-users _______________________________________________ rules-users mailing list [hidden email] https://lists.jboss.org/mailman/listinfo/rules-users _______________________________________________ rules-users mailing list [hidden email] https://lists.jboss.org/mailman/listinfo/rules-users -- However, if any of the nested property is null I get the following exception from MVEL. I assume the LHS of rule 2 will be short circuited if the object is invalid.

Re: Drools 5.0.1GA upgrade Jeff DeLong May 26, 2009 10:52 AM (in response to Daniel Bevenius) Glad to see you are upgrading to Drools 5.0.1.GA.I suspect the problem is in the https://issues.jboss.org/browse/JBRULES-2481 Perhaps we could talk then if you are. However, it is the '&&' on rule 2 that is not getting short circuited.Kind regardsMeeraj 2010/7/16 David Sinclair <[hidden email]> Drools doesn't use short circuit evaluation, so all of those ORs That being said, your rules may not fire in the order they are defined. (I forget what the default behavior as far as which rule would be activated first if all

dbtrAcct.?id == null, dbtrAcct.?id.?othr == nulll, etc. http://netfiscal.com/error-unable/error-unable-to-open-dev-null-for-stdin.html Rule 2 uses the and operator and checks the nested attribute is in the collection defined by the global, only if the object is valid. However, if any of the nested property is null I get the following exception from MVEL. I have a nested object graph, which in fact is a JAXB object generated from Schema.

More Like This Retrieving data ... They are not. org.drools.runtime.rule.ConsequenceException: [Error: unable to access property (null parent): add] [Near : {... navigate here Caused by: [Error: unable to access property (null parent): id][Near : {...

I have two classes, one using another: public class MyInputData{ private int id; private Address address; public Address getAddress() { return address; } public void setAddress(Address address) { this.address = address; Atlassian current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. dbtrAcct.?id == null, dbtrAcct.?id.?othr == nulll, etc.

so: rule "Nested Address" salience -10 when $bo : Borrower(address.street.equals("USA") && address.phone != 717) $loanApp : LoanApplication() then $loanApp.addFeedbackMessage(FeedbackMessages.LOCATION_NOT_US); System.out.println("Nested Address " + $bo.adr.street + ", Nested Phone " + $bo.adr.phone);

This object has a customer field that is null. 3. dave2010/7/16 Meeraj Kunnumpurath <[hidden email]> Hi Dave,I tried the null-safe navigation as below,rule "Check debtor account number exists"    salience 1when    $c : CreditTransferTransactionInformation10(dbtrAcct.?id.?othr.?id not memberOf accountNumbers)     eval(!accountNumbers.contains($accountNumber))then    System.err.println($c.getInternalInfo().getStatus());    System.err.println("Rule 2 Unknown ....}] ^ [Line: 1, Column: 0] at org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:23) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:980) at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:917) at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1126) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:697) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:663) at test.MvelBindingProblemTest.mvelBindingTestFailure(MvelBindingProblemTest.java:40) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at Rule 1 checks all the nested attributes are not null and set the status as invalid if any of them is null.

Please type your message and try again. 3 Replies Latest reply on May 23, 2011 12:27 PM by Kurt Stam Error in DRL created from Guvnor Vikash Agrawal May 23, 2011 Rule 1 checks all the nested attributes are not null and set the status as invalid if any of them is null. You may want to consider re-writing your rules or you can use MVEL's null safe navigation for this. his comment is here Rule 2 uses the and operator and checks the nested attribute is in the collection defined by the global, only if the object is valid.

Unknown ....}] ^ [Line: 1, Column: 0] Ingomar Otter iotter at mac.com Wed Apr 1 14:23:31 EDT 2009 Previous message: [rules-users] org.drools.runtime.rule.ConsequenceException: [Error: unable to access property (null parent): add] [Near I also needed to remove the jndi.properties file from lib/ext/drools-persistence-jpa-5.0.1.jar which contained: java.naming.factory.initial=bitronix.tm.jndi.BitronixInitialContextFactoryThis was messing with our qa tests as we don't provide that class. Use mvn test to see the failure. ESB Message object instance. 2.

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