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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I guess one of the Attributes in </span></font>IndividualNok
has no getter / setter method.<o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Just verify </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
rules-users-bounces@lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Jian Li<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, June 18, 2007 8:41
AM<br>
<b><span style='font-weight:bold'>To:</span></b> rules-users@lists.jboss.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [rules-users]
NullPointerException:
org.drools.base.extractors.BaseObjectClassFieldExtractor.getLongValue(BaseObjectClassFieldExtractor.java:103)</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>The following problem encountered:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I have a rule defintion :<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>----------------------------------------------dpd.drl<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>package ruletest;<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>import ruletest.IndividualNok;<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
rule Female_NOK_sex_401<br>
//when (IndividualNok(nokRelationship==401) ||
IndividualNok(nokRelationship==402))<br>
when (IndividualNok(nokRelationship==401) ||
IndividualNok(nokRelationship==402) || IndividualNok(nokRelationship==403))<br>
then <br>
System.out.println("abc");<br>
end<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>------------------------------------------------<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>When I tried the commented out LSH, it works, however, when i add one
more expression to it , it fails with the following exceptions:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Exception in thread "main" java.lang.NullPointerException<br>
at
org.drools.base.extractors.BaseObjectClassFieldExtractor.getLongValue(BaseObjectClassFieldExtractor.java:103)<br>
at
org.drools.base.ClassFieldExtractor.getLongValue(ClassFieldExtractor.java:144)<br>
at
org.drools.reteoo.CompositeObjectSinkAdapter$HashKey.setValue(CompositeObjectSinkAdapter.java:467)<br>
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:292)<br>
at
org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:183)<br>
at
org.drools.reteoo.Rete.assertObject(Rete.java:121)<br>
at
org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:201)<br>
at
org.drools.reteoo.ReteooWorkingMemory.doAssertObject(ReteooWorkingMemory.java:70)<br>
at org.drools.common.AbstractWorkingMemory.assertObject(AbstractWorkingMemory.java:724)<br>
at
org.drools.common.AbstractWorkingMemory.assertObject(AbstractWorkingMemory.java:548)<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Any idea about this? is it a bug<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>When I tried to create an additional rule with the 2 expression, it
still fails. This error can be reproduced with the followng code:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-------------------------the Main Class's main method<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> public static void main(String[] args) {<br>
// TODO code application logic here<br>
final PackageBuilder builder = new PackageBuilder();<br>
try {<br>
builder.addPackageFromDrl( new InputStreamReader(
Main.class.getResourceAsStream( "dpd.drl" ) ) );<br>
} catch (DroolsParserException ex) {<br>
ex.printStackTrace();<br>
} catch (IOException ex) {<br>
ex.printStackTrace();<br>
}<br>
<br>
final RuleBase ruleBase =
RuleBaseFactory.newRuleBase();<br>
try {<br>
ruleBase.addPackage( builder.getPackage() );<br>
} catch (Exception ex) {<br>
ex.printStackTrace();<br>
}<br>
final StatefulSession session =
ruleBase.newStatefulSession();<br>
IndividualNok individualNok = new
IndividualNok();<br>
session.assertObject(individualNok);<br>
session.fireAllRules();<br>
session.dispose();<br>
}<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-------------------------------------------------<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-------------------------------------------------Person class: requried
by individualNok, a simple POJO<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>import java.util.Date;<br>
import java.util.HashSet;<br>
import java.util.Set;<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>/**<br>
*<br>
* @author Jian.Li<br>
*/<br>
public class Person implements java.io.Serializable {<br>
<br>
// Fields<br>
<br>
private Long personId;<br>
private Integer nationality;<br>
private Integer race;<br>
private String firstName;<br>
private String lastName;<br>
private String midName;<br>
private Date birthdate;<br>
private Integer occupation;<br>
private Integer religion;<br>
private Integer primaryLanguage;<br>
private Integer veteransStatus;<br>
private String idNo;<br>
private Integer idType;<br>
private String mobileNo;<br>
private String email;<br>
private Integer ethnicgroupcountry;<br>
private Integer ethnicgroupstate;<br>
private Integer ethnicgroupcity;<br>
private Integer sex;<br>
private Integer maritalStatus;<br>
private Date lud;<br>
private String lub;<br>
private Set individualNoksForNokPersonId = new HashSet(0);<br>
private Set careproviders = new HashSet(0);<br>
private Set residentialAddresses = new HashSet(0);<br>
private Set individualNoksForPersonId = new HashSet(0);<br>
<br>
// Constructors<br>
/** default constructor */<br>
public Person() {<br>
}<br>
/** minimal constructor */<br>
public Person(String firstName, String lastName, Date
birthdate,<br>
Integer sex,
Integer maritalStatus, Date lud) {<br>
this.firstName = firstName;<br>
this.lastName = lastName;<br>
this.birthdate = birthdate;<br>
this.sex = sex;<br>
this.maritalStatus = maritalStatus;<br>
this.lud = lud;<br>
}<br>
<br>
/** full constructor */<br>
public Person(Integer nationality, Integer race, String
firstName,<br>
String
lastName, String midName, Date birthdate,<br>
Integer
occupation, Integer religion, Integer primaryLanguage,<br>
Integer
veteransStatus, String idNo, Integer idType,<br>
String
mobileNo, String email, Integer ethnicgroupcountry,<br>
Integer
ethnicgroupstate, Integer ethnicgroupcity, Integer sex,<br>
Integer
maritalStatus, Date lud, String lub,<br>
Set
individualNoksForNokPersonId, Set careproviders,<br>
Set
residentialAddresses, Set individualNoksForPersonId) {<br>
this.nationality = nationality;<br>
this.race = race;<br>
this.firstName = firstName;<br>
this.lastName = lastName;<br>
this.midName = midName;<br>
this.birthdate = birthdate;<br>
this.occupation = occupation;<br>
this.religion = religion;<br>
this.primaryLanguage =
primaryLanguage;<br>
this.veteransStatus =
veteransStatus;<br>
this.idNo = idNo;<br>
this.idType = idType;<br>
this.mobileNo = mobileNo;<br>
this.email = email;<br>
this.ethnicgroupcountry =
ethnicgroupcountry;<br>
this.ethnicgroupstate =
ethnicgroupstate;<br>
this.ethnicgroupcity =
ethnicgroupcity;<br>
this.sex = sex;<br>
this.maritalStatus = maritalStatus;<br>
this.lud = lud;<br>
this.lub = lub;<br>
this.individualNoksForNokPersonId =
individualNoksForNokPersonId;<br>
this.careproviders = careproviders;<br>
this.residentialAddresses =
residentialAddresses;<br>
this.individualNoksForPersonId =
individualNoksForPersonId;<br>
}<br>
<br>
// Property accessors<br>
public Long getPersonId() {<br>
return this.personId;<br>
}<br>
public void setPersonId(Long personId) {<br>
this.personId = personId;<br>
}<br>
public Integer getNationality() {<br>
return this.nationality;<br>
}<br>
public void setNationality(Integer nationality) {<br>
this.nationality = nationality;<br>
}<br>
public Integer getRace() {<br>
return this.race;<br>
}<br>
public void setRace(Integer race) {<br>
this.race = race;<br>
}<br>
public String getFirstName() {<br>
return this.firstName;<br>
}<br>
public void setFirstName(String firstName) {<br>
this.firstName = firstName;<br>
}<br>
public String getLastName() {<br>
return this.lastName;<br>
}<br>
public void setLastName(String lastName) {<br>
this.lastName = lastName;<br>
}<br>
public String getMidName() {<br>
return this.midName;<br>
}<br>
public void setMidName(String midName) {<br>
this.midName = midName;<br>
}<br>
public Date getBirthdate() {<br>
return this.birthdate;<br>
}<br>
public void setBirthdate(Date birthdate) {<br>
this.birthdate = birthdate;<br>
}<br>
public Integer getOccupation() {<br>
return this.occupation;<br>
}<br>
public void setOccupation(Integer occupation) {<br>
this.occupation = occupation;<br>
}<br>
public Integer getReligion() {<br>
return this.religion;<br>
}<br>
public void setReligion(Integer religion) {<br>
this.religion = religion;<br>
}<br>
public Integer getPrimaryLanguage() {<br>
return this.primaryLanguage;<br>
}<br>
public void setPrimaryLanguage(Integer primaryLanguage) {<br>
this.primaryLanguage =
primaryLanguage;<br>
}<br>
public Integer getVeteransStatus() {<br>
return this.veteransStatus;<br>
}<br>
public void setVeteransStatus(Integer veteransStatus) {<br>
this.veteransStatus =
veteransStatus;<br>
}<br>
public String getIdNo() {<br>
return this.idNo;<br>
}<br>
public void setIdNo(String idNo) {<br>
this.idNo = idNo;<br>
}<br>
public Integer getIdType() {<br>
return this.idType;<br>
}<br>
public void setIdType(Integer idType) {<br>
this.idType = idType;<br>
}<br>
public String getMobileNo() {<br>
return this.mobileNo;<br>
}<br>
public void setMobileNo(String mobileNo) {<br>
this.mobileNo = mobileNo;<br>
}<br>
public String getEmail() {<br>
return this.email;<br>
}<br>
public void setEmail(String email) {<br>
this.email = email;<br>
}<br>
public Integer getEthnicgroupcountry() {<br>
return this.ethnicgroupcountry;<br>
}<br>
public void setEthnicgroupcountry(Integer
ethnicgroupcountry) {<br>
this.ethnicgroupcountry =
ethnicgroupcountry;<br>
}<br>
public Integer getEthnicgroupstate() {<br>
return this.ethnicgroupstate;<br>
}<br>
public void setEthnicgroupstate(Integer ethnicgroupstate) {<br>
this.ethnicgroupstate =
ethnicgroupstate;<br>
}<br>
public Integer getEthnicgroupcity() {<br>
return this.ethnicgroupcity;<br>
}<br>
public void setEthnicgroupcity(Integer ethnicgroupcity) {<br>
this.ethnicgroupcity =
ethnicgroupcity;<br>
}<br>
public Integer getSex() {<br>
return this.sex;<br>
}<br>
public void setSex(Integer sex) {<br>
this.sex = sex;<br>
}<br>
public Integer getMaritalStatus() {<br>
return this.maritalStatus;<br>
}<br>
public void setMaritalStatus(Integer maritalStatus) {<br>
this.maritalStatus = maritalStatus;<br>
}<br>
public Date getLud() {<br>
return this.lud;<br>
}<br>
public void setLud(Date lud) {<br>
this.lud = lud;<br>
}<br>
public String getLub() {<br>
return this.lub;<br>
}<br>
public void setLub(String lub) {<br>
this.lub = lub;<br>
}<br>
public Set getIndividualNoksForNokPersonId() {<br>
return
this.individualNoksForNokPersonId;<br>
}<br>
public void setIndividualNoksForNokPersonId(Set
individualNoksForNokPersonId) {<br>
this.individualNoksForNokPersonId =
individualNoksForNokPersonId;<br>
}<br>
public Set getCareproviders() {<br>
return this.careproviders;<br>
}<br>
public void setCareproviders(Set careproviders) {<br>
this.careproviders = careproviders;<br>
}<br>
public Set getResidentialAddresses() {<br>
return this.residentialAddresses;<br>
}<br>
public void setResidentialAddresses(Set
residentialAddresses) {<br>
this.residentialAddresses =
residentialAddresses;<br>
}<br>
public Set getIndividualNoksForPersonId() {<br>
return
this.individualNoksForPersonId;<br>
}<br>
public void setIndividualNoksForPersonId(Set
individualNoksForPersonId) {<br>
this.individualNoksForPersonId =
individualNoksForPersonId;<br>
}<br>
}<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>----------------------------------------------------------------------------------------------------<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-------------------------------------IndividualNok class : a simple
POJO<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>public class IndividualNok implements java.io.Serializable {<br>
<br>
// Fields<br>
<br>
private Long individualNokId;<br>
<br>
private Person personByPersonId;<br>
<br>
private Person personByNokPersonId;<br>
<br>
private Integer nokRelationship;<br>
<br>
private Integer emgcycntctInd;<br>
<br>
// Constructors<br>
<br>
/** default constructor */<br>
public IndividualNok() {<br>
}<br>
<br>
/** minimal constructor */<br>
public IndividualNok(Integer nokRelationship) {<br>
this.nokRelationship =
nokRelationship;<br>
}<br>
<br>
/** full constructor */<br>
public IndividualNok(Person personByPersonId, Person
personByNokPersonId,<br>
Integer
nokRelationship, Integer emgcycntctInd) {<br>
this.personByPersonId =
personByPersonId;<br>
this.personByNokPersonId =
personByNokPersonId;<br>
this.nokRelationship =
nokRelationship;<br>
this.emgcycntctInd = emgcycntctInd;<br>
}<br>
<br>
// Property accessors<br>
public Long getIndividualNokId() {<br>
return this.individualNokId;<br>
}<br>
<br>
public void setIndividualNokId(Long individualNokId) {<br>
this.individualNokId =
individualNokId;<br>
}<br>
<br>
public Person getPersonByPersonId() {<br>
return this.personByPersonId;<br>
}<br>
<br>
public void setPersonByPersonId(Person personByPersonId) {<br>
this.personByPersonId =
personByPersonId;<br>
}<br>
<br>
public Person getPersonByNokPersonId() {<br>
return this.personByNokPersonId;<br>
}<br>
<br>
public void setPersonByNokPersonId(Person
personByNokPersonId) {<br>
this.personByNokPersonId =
personByNokPersonId;<br>
}<br>
<br>
public Integer getNokRelationship() {<br>
return this.nokRelationship;<br>
}<br>
<br>
public void setNokRelationship(Integer nokRelationship) {<br>
this.nokRelationship =
nokRelationship;<br>
}<br>
<br>
public Integer getEmgcycntctInd() {<br>
return this.emgcycntctInd;<br>
}<br>
<br>
public void setEmgcycntctInd(Integer emgcycntctInd) {<br>
this.emgcycntctInd = emgcycntctInd;<br>
}<br>
<br>
}<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>---------------------------------------End of IndividualNok<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=1 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><a
href="http://sg.rd.yahoo.com/mail/sg/footer/def/*http:/sg.movies.yahoo.com">Yahoo!
Movies</a><img border=0 width=28 height=11 id="_x0000_i1026"
src="http://sg.yimg.com/i/sg/widgets/new.gif" hspace=4 align=abstop> - Search
movie info and celeb profiles and photos.<o:p></o:p></span></font></p>
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