April 2010 - rules-users - Jboss List Archives

How to do operator such as " is one of ("xx", "yy", "zz") in a decision tablee

by vadlam

Hi, we are trying to do something like this in a decision table we need to be able to create a condition like the below in a decision table condition column. Perhaps one way this can be done is for user to be able to select mutiple states from a dropdown list of states and then apply the operator " is one of " on those selections. State is one of {"AZ","CA","NV"} Please let me know if this can be done . Thank you all in advance. -- View this message in context: http://n3.nabble.com/How-to-do-operator-such-as-is-one-of-xx-yy-zz-in-a-d... Sent from the Drools - User mailing list archive at Nabble.com.

16 years, 3 months

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change-set (with BRMS/network not available)

by alim

Hi everyone, I have a rather simple question, however I couldn't find any answers/examples on the web. Drools 4 allowed you to set the property "localCacheDir" to make sure that the runtime can startup and load packages even if the BRMS/network is not available. How can I define such a local cache with Drools 5? My approach: I downloaded the package and stored it as <some_path>/myPackage.pkg. My change-set.xml looks as follows: <change-set xmlns='http://drools.org/drools-5.0/change-set' xmlns:xs='http://www.w3.org/2001/XMLSchema-instance' xs:schemaLocation='http://drools.org/drools-5.0/change-set drools-change-set-5.0.xsd' > <add> <resource source='http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/myPa...' type='PKG' /> <resource source='file:<some_path>/myPackage.pkg' type='PKG' /> </add> </change-set> But with the BRMS not running, I always get an exception. So I guess this is the wrong approach having both resources in the change-set.xml? How can I make Drools ignore the http source (in case of the BRMS not being available) and take the local file resource instead? Thank you in advance! -- View this message in context: http://n3.nabble.com/change-set-with-BRMS-network-not-available-tp708334p... Sent from the Drools - User mailing list archive at Nabble.com.

16 years, 3 months

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Tuples in Agenda Item.

by Rajnikant Gupta

Hi, I have a doubt regarding tuples. I created a rule using complex types objects. I am comparing two complex type objecs which have parent-child relationship eg. "ParentType.equals(ChildType)". I expect this to follow java rule which allows such comparision. Now when I run the rules with different values for fields in ParentType and ChildType (which means the rule should fail) to my surprise it evals to TRUE. Also upon inspection, the tuple shows me only the ChildType instance not the ParentType. I would appreciate any help on this. Regards, Rajnikant

16 years, 3 months

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Drools vs OPSJ

by Bertrand Grottier

Hello, At the present time, I am evaluating Drools vs OPSJ. Before I started, I had a look at the following tests: http://blogs.illation.com.au/2009/09/waltz-benchmark-performance-opsj-vs-.... Based on these tests, I was expecting better performances from OPSJ over Drools regarding the rule firing time. However, I obtained opposite results on a basic test. It consists in a sort of "join clause": I have a few products and many potentiel prices (10^4) in the knowledge session. The aim is to "match" the appropriate prices to each products. My question are the followings: - Does someone obtained similar results ? - Are there situations where Drools outperforms OPSJ ? (apparently yes). Thank you in advance. Regards, Benoît _________________________________________________________________ Hotmail et MSN dans la poche? HOTMAIL et MSN sont dispo gratuitement sur votre téléphone! http://www.messengersurvotremobile.com/?d=Hotmail

16 years, 3 months

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Error When changing persistence from H2 to Oracle for TaskService

by ramram

Hi All, I am trying to change the persistence of the HumanTaskService from the in memory database to Oracle and I am having the below errors if some one can help. I have posted my persistence,xml and the Error that I am having. Persistence.xml --------------- <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <persistence version="1.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_1_0.xsd" xmlns:orm="http://java.sun.com/xml/ns/persistence/orm" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/persistence"> <persistence-unit name="org.drools.task"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <class>org.drools.task.Attachment</class> <class>org.drools.task.Content</class> <class>org.drools.task.BooleanExpression</class> <class>org.drools.task.Comment</class> <class>org.drools.task.Deadline</class> <class>org.drools.task.Delegation</class> <class>org.drools.task.Escalation</class> <class>org.drools.task.Group</class> <class>org.drools.task.I18NText</class> <class>org.drools.task.Notification</class> <class>org.drools.task.EmailNotification</class> <class>org.drools.task.EmailNotificationHeader</class> <class>org.drools.task.PeopleAssignments</class> <class>org.drools.task.Reassignment</class> <class>org.drools.task.Status</class> <class>org.drools.task.Task</class> <class>org.drools.task.TaskData</class> <class>org.drools.task.SubTasksStrategy</class> <class>org.drools.task.OnParentAbortAllSubTasksEndStrategy</class> <class>org.drools.task.OnAllSubTasksEndParentEndStrategy</class> <class>org.drools.task.User</class> <properties> <property name="hibernate.dialect" value="org.hibernate.dialect.OracleDialect"/> <property name="hibernate.connection.driver_class" value="oracle.jdbc.OracleDriver"/> <property name="hibernate.connection.url" value="..... my databse url is placed here..." /> <property name="hibernate.connection.username" value="drools"/> <property name="hibernate.connection.password" value="drools"/> <property name="hibernate.connection.autocommit" value="false" /> <property name="hibernate.max_fetch_depth" value="3"/> <property name="hibernate.hbm2ddl.auto" value="create-drop" /> <property name="hibernate.show_sql" value="true" /> </properties> </persistence-unit> </persistence> ERROR: -------- SEVERE: Unsuccessful: create table Attachment (id number(19,0) not null, name varchar2(255), accessType number(10,0), contentType varchar2(255), attachedAt date, si number(10,0) not null, attachmentContentId number(19,0) not null, attachedBy_id varchar2(255), TaskData_Attachments_Id number(19,0), primary key (id)) Mar 30, 2010 12:10:37 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00904: : invalid identifier Mar 30, 2010 12:10:37 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table Comment (id number(19,0) not null, text clob, addedAt date, addedBy_id varchar2(255), TaskData_Comments_Id number(19,0), primary (id)) Mar 30, 2010 12:10:37 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00903: invalid table name Mar 30, 2010 12:10:38 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table Deadline (id number(19,0) not null, date date, escalated number(1,0) not null, Deadlines_EndDeadLine_Id number(19,0), Deadlines_S tDeadLine_Id number(19,0), primary key (id)) Mar 30, 2010 12:10:38 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00904: : invalid identifier Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table Notification_BusinessAdministrators (task_id number(19,0) not null, entity_id varchar2(255) not null) Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table Notification_EmailNotificationHeader (Notification_id number(19,0) not null, emailHeaders_id number(19,0) not null, mapkey varcha 255), primary key (Notification_id, mapkey), unique (emailHeaders_id)) Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table PeopleAssignments_BusinessAdministrators (task_id number(19,0) not null, entity_id varchar2(255) not null) Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table PeopleAssignments_ExcludedOwners (task_id number(19,0) not null, entity_id varchar2(255) not null) Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table PeopleAssignments_PotentialOwners (task_id number(19,0) not null, entity_id varchar2(255) not null) Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: create table PeopleAssignments_TaskStakeholders (task_id number(19,0) not null, entity_id varchar2(255) not null) Mar 30, 2010 12:10:39 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Attachment add constraint FK1C935432077E1A4 foreign key (attachedBy_id) references OrganizationalEntity Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00942: table or view does not exist Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Attachment add constraint FK1C93543839A1819 foreign key (TaskData_Attachments_Id) references Task Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00942: table or view does not exist Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Comment add constraint FK9BDE863F44E05A35 foreign key (TaskData_Comments_Id) references Task Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00903: invalid table name Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Comment add constraint FK9BDE863FC17237C8 foreign key (addedBy_id) references OrganizationalEntity Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00903: invalid table name Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Deadline add constraint FK21DF3E78F9CD9DE3 foreign key (Deadlines_StartDeadLine_Id) references Task Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00942: table or view does not exist Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Deadline add constraint FK21DF3E78B92DDCCA foreign key (Deadlines_EndDeadLine_Id) references Task Mar 30, 2010 12:10:40 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00942: table or view does not exist Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Escalation add constraint FK67B2C6B5F8479DB0 foreign key (Deadline_Escalation_Id) references Deadline Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00942: table or view does not exist Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table I18NText add constraint FK2349686B63D84819 foreign key (Deadline_Documentation_Id) references Deadline Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00942: table or view does not exist Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Notification_BusinessAdministrators add constraint FK4DCCC4FAB009A012 foreign key (entity_id) references OrganizationalEntity Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Notification_BusinessAdministrators add constraint FK4DCCC4FA9A939BFA foreign key (task_id) references Notification Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Notification_EmailNotificationHeader add constraint FK92169CC0379F97EA foreign key (emailHeaders_id) references EmailNotificationH er Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table Notification_EmailNotificationHeader add constraint FK92169CC01B1E66DC foreign key (Notification_id) references Notification Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_BusinessAdministrators add constraint FK3D56AB6EB009A012 foreign key (entity_id) references OrganizationalEntity Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_BusinessAdministrators add constraint FK3D56AB6EC834E294 foreign key (task_id) references Task Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_ExcludedOwners add constraint FK19190ED2B009A012 foreign key (entity_id) references OrganizationalEntity Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_ExcludedOwners add constraint FK19190ED2C834E294 foreign key (task_id) references Task Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_PotentialOwners add constraint FK9C9C2A96B009A012 foreign key (entity_id) references OrganizationalEntity Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_PotentialOwners add constraint FK9C9C2A96C834E294 foreign key (task_id) references Task Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_TaskStakeholders add constraint FKE6997FFAB009A012 foreign key (entity_id) references OrganizationalEntity Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: Unsuccessful: alter table PeopleAssignments_TaskStakeholders add constraint FKE6997FFAC834E294 foreign key (task_id) references Task Mar 30, 2010 12:10:41 PM org.hibernate.tool.hbm2ddl.SchemaExport create SEVERE: ORA-00972: identifier is too long Mar 30, 2010 12:10:42 PM org.hibernate.tool.hbm2ddl.SchemaExport execute INFO: schema export complete Hibernate: select task0_.id as col_0_0_, deadline1_.id as col_1_0_, deadline1_.date as col_2_0_ from Task task0_, Deadline deadline1_ where (deadline1_.id in (selec tartdeadl2_.id from Deadline startdeadl2_ where task0_.id=startdeadl2_.Deadlines_StartDeadLine_Id) or deadline1_.id in (select enddeadlin3_.id from Deadline enddead 3_ where task0_.id=enddeadlin3_.Deadlines_EndDeadLine_Id)) and deadline1_.escalated=0 order by deadline1_.date Mar 30, 2010 12:10:43 PM org.hibernate.util.JDBCExceptionReporter logExceptions WARNING: SQL Error: 1747, SQLState: 42000 Mar 30, 2010 12:10:43 PM org.hibernate.util.JDBCExceptionReporter logExceptions SEVERE: ORA-01747: invalid user.table.column, table.column, or column specification javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not execute query at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:629) at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:73) at org.drools.task.service.TaskService.<init>(TaskService.java:65) at org.drools.task.service.TaskService.<init>(TaskService.java:48) at RunTaskService.start(RunTaskService.java:48) at RunTaskService.main(RunTaskService.java:31) Caused by: org.hibernate.exception.SQLGrammarException: could not execute query at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:67) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.loader.Loader.doList(Loader.java:2223) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) at org.hibernate.loader.Loader.list(Loader.java:2099) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378) at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338) at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121) at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79) at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64) ... 4 more Caused by: java.sql.SQLException: ORA-01747: invalid user.table.column, table.column, or column specification at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125) at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:316) at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:282) at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:639) at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:185) at oracle.jdbc.driver.T4CPreparedStatement.execute_for_describe(T4CPreparedStatement.java:503) at oracle.jdbc.driver.OracleStatement.execute_maybe_describe(OracleStatement.java:965) at oracle.jdbc.driver.T4CPreparedStatement.execute_maybe_describe(T4CPreparedStatement.java:535) at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1051) at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:2984) at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3026) at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186) at org.hibernate.loader.Loader.getResultSet(Loader.java:1787) at org.hibernate.loader.Loader.doQuery(Loader.java:674) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) at org.hibernate.loader.Loader.doList(Loader.java:2220) ... 12 more Exception in thread "main" java.lang.Exception at RunTaskService.start(RunTaskService.java:53) at RunTaskService.main(RunTaskService.java:31) -- View this message in context: http://n3.nabble.com/Error-When-changing-persistence-from-H2-to-Oracle-fo... Sent from the Drools - User mailing list archive at Nabble.com.

16 years, 3 months

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@Rete Experts: the finer meshes of matching

by Wolfgang Laun

It's common Rete wisdom to order patterns by expected frequency of matches, in descending order. Does this also apply to constraints within a single pattern? For example, is it better to write, for a New York address Address( street == "Broadway", number == 1) than Address( number == 1, street == "Broadway") or is this irrelevant? Or does it depend on either constraint (on each own) also occurring in another rule without the other one? I guess this could also depend on the implementation, i.e., how fine-grainedly condition sharing is being done. Cheers Wolfgang

16 years, 3 months

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Importing Fact model in Eclipse

by Shailesh Hedaoo

Hi I have created a Drools project and trying to create a guided rule in Eclipse 3.5 and Drools 5.0.x. I have my own domain objects in another java project to be used by Drools project. I want to use the java domain model as the "fact model" in my Drools project. How is that done ? Do i have to go thru the web based "guvnor" first ? All I m planing to have is a simple java project which has java classes of my domain model of POJOs and in my Drools project i want to use them as "fact model". How do i do it in eclipse IDE ? Thanks - shailesh

16 years, 3 months

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RES: Behavior changes between Drools 5.0.1 and 5.1.0

by Carlos Henrique Pinto da Sillva

Hi Mauricio, Thanks for the answer. In this mean time, we compiled our code against Drools 5.1.0 M2 (directly from the project repository) and we were able to solve all issues we found, so I guess we were actually facing some bugs, hopefully fixed in the current version. Thanks for the help. Carlos Mauricio Salatino wrote: > Hi Carlos, > I think that the Event will expire in 30 seconds if you don't have any > matching rule in your working memory. > If you have a query, that works in the same way as a Rule, and it's > matching, probably you event will never expire. > Can you provide a simple test case with you scenario, so we can take a look > on it? > Greetings. Esta mensagem pode conter informa??o confidencial e/ou privilegiada, sendo seu sigilo protegido por lei. Se voc? n?o for o destinat?rio ou a pessoa autorizada a receber esta mensagem, n?o pode usar, copiar ou divulgar as informa??es nela contidas ou tomar qualquer a??o baseada nessas informa??es. Se voc? recebeu esta mensagem por engano, por favor avise imediatamente ao remetente, respondendo o e-mail e em seguida apague-o. Agradecemos sua coopera??o. This message may contain confidential and/or privileged information, being the sigil protected by law. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation.

16 years, 3 months

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Drools Flow: looking for a Fault Node / Handler example

by Nol de Wit

Hi all, In the documentation and other articles I reed about the Fault Node, and how it acts as a bit of an End Node in Flow. I've been searching on the net in general, and the mail-list archive in particular for an example on how to use this, but without much success. In mostly interessted in the 'Exception Handlers' that apperently can be used for this. What is the format of such handler, and how to register it... Thanks, Nol

16 years, 3 months

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Newbie Trap - Eclipse Install - solved

by Kurt Guenther

I followed the 5.0 http://downloads.jboss.com/drools/docs/5.0.1.26597.FINAL/drools-introduct... And used the "Create a new Drools 5 runtime....", but I ran into an issue: org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java:org.drools.rule.builder.dialect.java.JavaDialectConfiguration' at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:274) at org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:259) at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:176) at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:153) at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:242) at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:142) at org.drools.builder.impl.KnowledgeBuilderProviderImpl.newKnowledgeBuilder(KnowledgeBuilderProviderImpl.java:29) at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:29) at com.sample.DroolsTest.readKnowledgeBase(DroolsTest.java:39) at com.sample.DroolsTest.main(DroolsTest.java:23) Caused by: java.lang.RuntimeException: The Eclipse JDT Core jar is not in the classpath at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler(JavaDialectConfiguration.java:94) at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:55) at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:270) ... 9 more It works fine when I downloaded the 5.0 binaries and just pointed it at this. Plz, let me know if there is a better place to report these issues. Also, I found a bunch of documentation nits that I'd like to eventually report. --Kurt

16 years, 3 months

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rules-users April 2010