11:51 a.m.
Hi, I am new to Drools and I have read about it and not mastered yet. I have
written some rules and junit to test it. The rules works good and passes the
test if ran individually, but if ranned all at once with one junit test case
with all the test cases in it, it is through this exception.
Please find the stack trace.
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
com.ge.energy.drms.external.integration.service.impl.Rule_PAN_Device_Smart_Device_Model_Device_Class_null_ruleEval0Invoker@1e87bc80
: java.lang.NullPointerException
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:108)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testMACAdress(ProvisionPanDeviceRequestValidationTest.java:249)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
com.ge.energy.drms.external.integration.service.impl.Rule_PAN_Device_Smart_Device_Model_Device_Class_null_ruleEval0Invoker@1e87bc80
: java.lang.NullPointerException
I have googled on this and found that, it might not be able to take all the
rules, one by one, and execute it. As I said I am new to Drools, I am not
able to work on this.
Please help me on this.
Thanks,
Venkat.
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12:20 p.m.
Please provide your rules.
On 14 December 2011 17:51, Venkat <ven12344(a)yahoo.com> wrote:
Hi, I am new to Drools and I have read about it and not mastered yet.
I
have
written some rules and junit to test it. The rules works good and passes
the
test if ran individually, but if ranned all at once with one junit test
case
with all the test cases in it, it is through this exception.
Please find the stack trace.
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
com.ge.energy.drms.external.integration.service.impl.Rule_PAN_Device_Smart_Device_Model_Device_Class_null_ruleEval0Invoker@1e87bc80
: java.lang.NullPointerException
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:108)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testMACAdress(ProvisionPanDeviceRequestValidationTest.java:249)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
com.ge.energy.drms.external.integration.service.impl.Rule_PAN_Device_Smart_Device_Model_Device_Class_null_ruleEval0Invoker@1e87bc80
: java.lang.NullPointerException
I have googled on this and found that, it might not be able to take all the
rules, one by one, and execute it. As I said I am new to Drools, I am not
able to work on this.
Please help me on this.
Thanks,
Venkat.
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12:42 p.m.
Please find the rules below. That exception is happening from this rule
PAN Device MAC Address null or empty rule
to
PAN Device Smart Device Model null rule
import java.lang.Error;
import java.util.List;
import com.ge.energy.drms.smartgrid.datamodel.model.Customer
import com.ge.energy.drms.core.datamodel.messagesupport.ServiceContext
import
com.ge.energy.drms.external.integration.service.persistence.RegistrationDeregistrationPersistence
import
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.MissingEntryFault
import com.ge.energy.drms.smartgrid.datamodel.model.ElectricServiceInterface
import com.ge.energy.drms.smartgrid.datamodel.model.PANDevice
global Customer customer;
global ServiceContext serviceContext;
rule "Customer and Service Context null check rule"
no-loop true
salience 1000
when
eval( customer == null && serviceContext == null ) // condition
then
throw new MissingEntryFault("Customer and ServiceContext are both
required"); // consequence
end
rule "User Name null or empty check rule"
no-loop true
salience 900
when
ServiceContext( userName == null || userName == "" ) // condition
then
throw new MissingEntryFault("USER ID is required"); // consequence
end
/*
rule "User Name validation check rule"
no-loop true
salience 800
when
$serviceContext : ServiceContext()
RegistrationDeregistrationPersistence( eval( validateUserName(
$serviceContext ) <= -1 ) ) // condition
then
throw new Error("USER ID is invalid"); // consequence
end
*/
rule "Service Account Number null or empty rule"
no-loop true
salience 700
when
Customer( serviceAccountNumber == null || serviceAccountNumber == "" ) //
condition
then
throw new MissingEntryFault("Service Account Number is required"); //
consequence
end
rule "Install Service null or empty rule"
no-loop true
salience 600
when
Customer( installService == null || installService == "" ) // condition
then
throw new MissingEntryFault("Install Service is required"); // consequence
end
rule "Electric Service Interface null or empty rule"
no-loop true
salience 500
when
Customer( electricServiceInterfaces == null ||
electricServiceInterfaces.size() <=0 ) // condition
then
throw new MissingEntryFault("Electric Service Interfaces are required");
// consequence
end
rule "ESN null or empty rule"
no-loop true
salience 400
when
$customer : Customer()
$esi : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
eval( $esi.getESN() == null || $esi.getESN().isEmpty() ) //condition
then
throw new MissingEntryFault("ESN cannot be null or empty"); // consequence
end
rule "PAN Device null or empty rule"
no-loop true
salience 300
when
$customer : Customer()
$esi : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
eval( $esi.getPANdevices() == null || $esi.getPANdevices().size()<=0 )
//condition
then
throw new MissingEntryFault("PAN Device list cannot be null or empty"); //
consequence
end
rule "PAN Device MAC Address null or empty rule"
no-loop true
salience 200
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getMACAddress() == null || $panDevice.getMACAddress() ==
"" ) //condition
then
throw new MissingEntryFault("MAC Address cannot be null or empty"); //
consequence
end
rule "PAN Device Install Code null or empty rule"
no-loop true
salience 100
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getInstallCode() == null || $panDevice.getInstallCode()
== "" ) //condition
then
throw new MissingEntryFault("Install Code cannot be null or empty"); //
consequence
end
rule "PAN Device Smart Device Model null rule"
no-loop true
salience 90
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getSmartDeviceModel() == null ) //condition
then
throw new MissingEntryFault("Smart Device Model cannot be null"); //
consequence
end
rule "PAN Device Smart Device Model Device Class null rule"
no-loop true
salience 80
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getSmartDeviceModel().getDeviceClass() == null )
//condition
then
throw new MissingEntryFault("Device Class cannot be null"); // consequence
end
rule "PAN Device Smart Device Model Device Type null rule"
no-loop true
salience 70
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice :PANDevice() from $esis.getPANdevices()
eval( $panDevice.getSmartDeviceModel().getDeviceType() == null )
//condition
then
throw new MissingEntryFault("Device Type cannot be null"); // consequence
end
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1:10 p.m.
If you have data where
$panDevice.getSmartDeviceModel()
returns null, a condition such as
eval( $panDevice.getSmartDeviceModel().getDeviceClass() == null )
will cause a NPE. It is evaluated in parallel and independent from any
other rool that might check
$panDevice.getSmartDeviceModel() == null
All accesses to fields of $panDevice.getSmartDeviceModel() must be
guarded against this reference being null.
-W
On 14/12/2011, Venkat <ven12344(a)yahoo.com> wrote:
Please find the rules below. That exception is happening from this
rule
PAN Device MAC Address null or empty rule
to
PAN Device Smart Device Model null rule
import java.lang.Error;
import java.util.List;
import com.ge.energy.drms.smartgrid.datamodel.model.Customer
import com.ge.energy.drms.core.datamodel.messagesupport.ServiceContext
import
com.ge.energy.drms.external.integration.service.persistence.RegistrationDeregistrationPersistence
import
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.MissingEntryFault
import com.ge.energy.drms.smartgrid.datamodel.model.ElectricServiceInterface
import com.ge.energy.drms.smartgrid.datamodel.model.PANDevice
global Customer customer;
global ServiceContext serviceContext;
rule "Customer and Service Context null check rule"
no-loop true
salience 1000
when
eval( customer == null && serviceContext == null ) // condition
then
throw new MissingEntryFault("Customer and ServiceContext are both
required"); // consequence
end
rule "User Name null or empty check rule"
no-loop true
salience 900
when
ServiceContext( userName == null || userName == "" ) // condition
then
throw new MissingEntryFault("USER ID is required"); // consequence
end
/*
rule "User Name validation check rule"
no-loop true
salience 800
when
$serviceContext : ServiceContext()
RegistrationDeregistrationPersistence( eval( validateUserName(
$serviceContext ) <= -1 ) ) // condition
then
throw new Error("USER ID is invalid"); // consequence
end
*/
rule "Service Account Number null or empty rule"
no-loop true
salience 700
when
Customer( serviceAccountNumber == null || serviceAccountNumber == "" ) //
condition
then
throw new MissingEntryFault("Service Account Number is required"); //
consequence
end
rule "Install Service null or empty rule"
no-loop true
salience 600
when
Customer( installService == null || installService == "" ) // condition
then
throw new MissingEntryFault("Install Service is required"); // consequence
end
rule "Electric Service Interface null or empty rule"
no-loop true
salience 500
when
Customer( electricServiceInterfaces == null ||
electricServiceInterfaces.size() <=0 ) // condition
then
throw new MissingEntryFault("Electric Service Interfaces are required");
// consequence
end
rule "ESN null or empty rule"
no-loop true
salience 400
when
$customer : Customer()
$esi : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
eval( $esi.getESN() == null || $esi.getESN().isEmpty() ) //condition
then
throw new MissingEntryFault("ESN cannot be null or empty"); // consequence
end
rule "PAN Device null or empty rule"
no-loop true
salience 300
when
$customer : Customer()
$esi : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
eval( $esi.getPANdevices() == null || $esi.getPANdevices().size()<=0 )
//condition
then
throw new MissingEntryFault("PAN Device list cannot be null or empty"); //
consequence
end
rule "PAN Device MAC Address null or empty rule"
no-loop true
salience 200
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getMACAddress() == null || $panDevice.getMACAddress() ==
"" ) //condition
then
throw new MissingEntryFault("MAC Address cannot be null or empty"); //
consequence
end
rule "PAN Device Install Code null or empty rule"
no-loop true
salience 100
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getInstallCode() == null || $panDevice.getInstallCode()
== "" ) //condition
then
throw new MissingEntryFault("Install Code cannot be null or empty"); //
consequence
end
rule "PAN Device Smart Device Model null rule"
no-loop true
salience 90
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getSmartDeviceModel() == null ) //condition
then
throw new MissingEntryFault("Smart Device Model cannot be null"); //
consequence
end
rule "PAN Device Smart Device Model Device Class null rule"
no-loop true
salience 80
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice() from $esis.getPANdevices()
eval( $panDevice.getSmartDeviceModel().getDeviceClass() == null )
//condition
then
throw new MissingEntryFault("Device Class cannot be null"); // consequence
end
rule "PAN Device Smart Device Model Device Type null rule"
no-loop true
salience 70
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice :PANDevice() from $esis.getPANdevices()
eval( $panDevice.getSmartDeviceModel().getDeviceType() == null )
//condition
then
throw new MissingEntryFault("Device Type cannot be null"); // consequence
end
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2:22 p.m.
Hi Laune, thanks for your reply. Yes I did thought that way and that is the
reason in my test cases I have given the input as "Empty" value for the
fields. Still it gives me the same exception. But shockingly the last two
rules works fine, but not the three before those. These two working rules
are for the "Null" check. I don't understand that at all.
Any thoughts on this.
Thanks,
Venkat.
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2:33 p.m.
If PANDevice is null the eval will through a NPE.
Salience controls the order in which activation are executed not the order
rules' LHSs are evaluated. All rules' LHSs are evaluated as the facts are
inserted.
sent on the move
On 14 Dec 2011 20:23, "Venkat" <ven12344(a)yahoo.com> wrote:
Hi Laune, thanks for your reply. Yes I did thought that way and that
is the
reason in my test cases I have given the input as "Empty" value for the
fields. Still it gives me the same exception. But shockingly the last two
rules works fine, but not the three before those. These two working rules
are for the "Null" check. I don't understand that at all.
Any thoughts on this.
Thanks,
Venkat.
--
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3:08 p.m.
Hi Manstis, PANDevice is not null, instead I am setting the value of
"macAddress" using this object. So how can it be null, I am initializing
this object.
Also, as I said, the last two rules works fine for null value, but not the
three before those. which are below rules
PAN Device MAC Address null or empty rule
PAN Device Install Code null or empty rule
For the above two rules, I am checking for "empty" value in my test case.
PAN Device Smart Device Model null rule
Also, in the Eclipse, when I am going to "Rete" tab it is showing this
error,
"Unable to parse rules to show RETE view! null"
I guess the null pointer exception is screwing everything.
Thanks,
Venkat.
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3:59 p.m.
Do the problematic rules work in isolation? i.e. if you try them
individually in a KnowledgeBase.
What if you try the problem rules without the eval? e.g.:-
rule "PAN Device MAC Address null or empty rule"
no-loop true
salience 200
when
$customer : Customer()
$esis : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
$panDevice : PANDevice( MACAddress == null || == "" ) from
$esis.getPANdevices()
then
throw new MissingEntryFault("MAC Address cannot be null or
empty");
end
Also, don't get runtime NPE's confused with design-time NPE's (such as the
RETE viewer in Eclipse).
On 14 December 2011 21:08, Venkat <ven12344(a)yahoo.com> wrote:
Hi Manstis, PANDevice is not null, instead I am setting the value of
"macAddress" using this object. So how can it be null, I am initializing
this object.
Also, as I said, the last two rules works fine for null value, but not the
three before those. which are below rules
PAN Device MAC Address null or empty rule
PAN Device Install Code null or empty rule
For the above two rules, I am checking for "empty" value in my test case.
PAN Device Smart Device Model null rule
Also, in the Eclipse, when I am going to "Rete" tab it is showing this
error,
"Unable to parse rules to show RETE view! null"
I guess the null pointer exception is screwing everything.
Thanks,
Venkat.
--
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8:55 a.m.
Hi Manstis, I am now getting "RuntimeException" in this code
if (builder.hasErrors()) {
throw new RuntimeException(builder.getErrors()
.toString());
}
in my "createKnowledgeBase" method.
Can you please let me know what is wrong in this. I have tried what you have
said.
Thanks,
Venkat.
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9:10 a.m.
What does the full trace show?
getBuilder().toString() should dump the cause for the failure to build the
package.
Or, iterate the collection calling the getMessage() on each error and see
what it says.
On 15 December 2011 14:55, Venkat <ven12344(a)yahoo.com> wrote:
Hi Manstis, I am now getting "RuntimeException" in this
code
if (builder.hasErrors()) {
throw new RuntimeException(builder.getErrors()
.toString());
}
in my "createKnowledgeBase" method.
Can you please let me know what is wrong in this. I have tried what you
have
said.
Thanks,
Venkat.
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9:33 a.m.
Hi Manstis, I have tried what you said and found that, in the drools rule
file the fields and objects were not able to get by its direct name, so I
called those by calling from get methods and I am able to run the rules but
it is behaving odd now.
I mean it is giving me the same error in my "consequence" many times and
then going to the end rule and giving me the same error twice. So I don't
know what is happening. Check out the response I get, also check the rule
file for messages
Customer and ServiceContext are both required
Electric Service Interfaces are required
Electric Service Interfaces are required
Electric Service Interfaces are required
Electric Service Interfaces are required
PAN Device list cannot be null or empty
PAN Device list cannot be null or empty
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:100)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testMACAdress(ProvisionPanDeviceRequestValidationTest.java:249)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:100)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testInstallCode(ProvisionPanDeviceRequestValidationTest.java:285)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:100)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testSmartDeviceModel(ProvisionPanDeviceRequestValidationTest.java:321)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
Device Type cannot be null
Device Type cannot be null
Thanks
Venkat.
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9:46 a.m.
Without seeing your full code I suspect you have more than one Customer in
Working Memory.
From what you have provided message "Electric Service Interfaces
are
required" can only be thrown by one rule, that has only one condition -
checking a Customer object. Also message "PAN Device list cannot be null or
empty" is thrown from a rule that also checks Customer (however the
additional constraints may lead to only two messages being reported). I
also assume you don't do anything extra in your error handler (such as
updating facts).
On 15 December 2011 15:33, Venkat <ven12344(a)yahoo.com> wrote:
Hi Manstis, I have tried what you said and found that, in the drools
rule
file the fields and objects were not able to get by its direct name, so I
called those by calling from get methods and I am able to run the rules but
it is behaving odd now.
I mean it is giving me the same error in my "consequence" many times and
then going to the end rule and giving me the same error twice. So I don't
know what is happening. Check out the response I get, also check the rule
file for messages
Customer and ServiceContext are both required
Electric Service Interfaces are required
Electric Service Interfaces are required
Electric Service Interfaces are required
Electric Service Interfaces are required
PAN Device list cannot be null or empty
PAN Device list cannot be null or empty
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:100)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testMACAdress(ProvisionPanDeviceRequestValidationTest.java:249)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:100)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testInstallCode(ProvisionPanDeviceRequestValidationTest.java:285)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
com.ge.energy.drms.smartgrid.datamodel.services.enddevicemanagement.pandeviceregistrationservice.PANDeviceRegistrationServiceFault:
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:100)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testSmartDeviceModel(ProvisionPanDeviceRequestValidationTest.java:321)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Exception executing predicate
$panDevice.getSmartDeviceModel().getDeviceClass() == null
Device Type cannot be null
Device Type cannot be null
Thanks
Venkat.
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10:03 a.m.
Hi Manstis, I see what you are saying, and yes I not doing any update in my
facts. If you see the rule file, there is global variable which defines the
Customer and ServiceContext and also I am declaring the Customer object
again in each rule.
This is because I could not get those global variables access in other
rules, can you tell me how to get those variables in other rules also.
Thanks,
Venkat.
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10:13 a.m.
Yikes!
This I had not even noticed.
Customer and ServiceContext should both be inserted as Facts.
Some rules might need to be re-written:-
rule "Customer null check rule"
no-loop true
salience 1000
when
not ( Customer() )
then
throw new MissingEntryFault("Customer is required");
end
rule "Service Context null check rule"
no-loop true
salience 1000
when
not ( ServiceContext() )
then
throw new MissingEntryFault("ServiceContext is required");
end
You must be inserting some (at least one) Customers in working memory
otherwise rules like this won't match anything:-
rule "PAN Device null or empty rule"
no-loop true
salience 300
when
$customer : Customer()
$esi : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
eval( $esi.getPANdevices() == null ||
$esi.getPANdevices().size()<=0 )
then
throw new MissingEntryFault("PAN Device list cannot be null
or empty");
end
Which itself could be re-written removing the eval (I don't think you'll
get an NPE in the last "from"):-
rule "PAN Device null or empty rule"
no-loop true
salience 300
when
$customer : Customer()
$esi : ElectricServiceInterface() from
$customer.getElectricServiceInterfaces()
not ( PANDevice() from $esi.getPANdevices() )
then
throw new MissingEntryFault("PAN Device list cannot be null
or empty");
end
On 15 December 2011 16:03, Venkat <ven12344(a)yahoo.com> wrote:
Hi Manstis, I see what you are saying, and yes I not doing any update
in my
facts. If you see the rule file, there is global variable which defines the
Customer and ServiceContext and also I am declaring the Customer object
again in each rule.
This is because I could not get those global variables access in other
rules, can you tell me how to get those variables in other rules also.
Thanks,
Venkat.
--
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10:30 a.m.
Hi Manstis, so you are saying that I don't need a global variable at all, and
also the customer and service check should be on the same rule, I cannot
right both separate.
Please tell me how to write that.
Thanks,
Venkat.
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10:44 a.m.
Yes, you should not be using globals to hold information you want to reason
over.
You can try re-writing the combined check to something like this:-
rule "Customer and Service Context null check rule"
no-loop true
salience 1000
when
not ( Customer() and ServiceContext() )
then
throw new MissingEntryFault("Customer and ServiceContext are
both required");
end
On 15 December 2011 16:30, Venkat <ven12344(a)yahoo.com> wrote:
Hi Manstis, so you are saying that I don't need a global variable
at all,
and
also the customer and service check should be on the same rule, I cannot
right both separate.
Please tell me how to write that.
Thanks,
Venkat.
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10:59 a.m.
Manstis, can you please tell me what is wrong with this rule
rule "User Name validation check rule"
when
$serviceContext : ServiceContext()
RegistrationDeregistrationPersistence( eval( validateUserName(
$serviceContext ) <= -1 ) ) // condition
then
throw new Error("USER ID is invalid"); // consequence
end
I am getting this RuntimeException
java.lang.RuntimeException: Rule Compilation error : [Rule name='User Name
validation check rule']
com/ge/energy/drms/external/integration/service/impl/Rule_User_Name_validation_check_rule.java
(9:1042) : The method validateUserName(ServiceContext) is undefined for the
type Rule_User_Name_validation_check_rule
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.createKnowledgeBase(PANDeviceRegistrationServiceImpl.java:142)
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:77)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testCustomerAndServiceContext(ProvisionPanDeviceRequestValidationTest.java:39)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Thanks,
Venkat.
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11:21 a.m.
What is RegistrationDeregistrationPersistence?
Is it a Fact to be reasoned over or a verification service?
If a verification service I *would* use this as a global changing your rule
to:-
rule "User Name validation check rule"
when
$serviceContext : ServiceContext()
eval( myService.validateUserName( $serviceContext ) )
then
throw new Error("USER ID is invalid");
end
Where "myService" is a global called "myService" of type
RegistrationDeregistrationPersistence.
I removed the "<= -1" but you could include it (IMO the service should
return true or false).
On 15 December 2011 16:59, Venkat <ven12344(a)yahoo.com> wrote:
Manstis, can you please tell me what is wrong with this rule
rule "User Name validation check rule"
when
$serviceContext : ServiceContext()
RegistrationDeregistrationPersistence( eval(
validateUserName(
$serviceContext ) <= -1 ) ) // condition
then
throw new Error("USER ID is invalid"); // consequence
end
I am getting this RuntimeException
java.lang.RuntimeException: Rule Compilation error : [Rule name='User Name
validation check rule']
com/ge/energy/drms/external/integration/service/impl/Rule_User_Name_validation_check_rule.java
(9:1042) : The method validateUserName(ServiceContext) is undefined for the
type Rule_User_Name_validation_check_rule
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.createKnowledgeBase(PANDeviceRegistrationServiceImpl.java:142)
at
com.ge.energy.drms.external.integration.service.impl.PANDeviceRegistrationServiceImpl.provisionPANDevice(PANDeviceRegistrationServiceImpl.java:77)
at
com.ge.energy.drms.external.integration.service.impl.test.ProvisionPanDeviceRequestValidationTest.testCustomerAndServiceContext(ProvisionPanDeviceRequestValidationTest.java:39)
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 junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Thanks,
Venkat.
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11:39 a.m.
http://drools.46999.n3.nabble.com/file/n3589326/ProvisionPanDeviceRequest...
ProvisionPanDeviceRequestValidationTest.java
http://drools.46999.n3.nabble.com/file/n3589326/PANDeviceRegistrationVali...
PANDeviceRegistrationValidation.drl
Please find the files uploaded. I am so frustrated that I will brake my
laptop. It is not working it is simply giving me the same error again and
again. I don't know what is happening at all.
Please write the drools implementation and the Customer and Service Context
class yourself, it is just a setter and getter.
Please let me know what you get, when you run the test cases.
Thanks,
Venkat.
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12:41 p.m.
Hi Manstis, I have specified the salience in each rule and it works fine.
Which explains it, what salience do. Now the problem that initially we were
talking about still exists. The rules from
PAN Device MAC Address null or empty rule
to
PAN Device Smart Device Model null rule
are giving this exception
Eval0Invoker@1e87bc80 : java.lang.NullPointerException
So we are back to the same problem. Please let me know
Thanks,
Venkat.
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3:13 p.m.
Make sure that objects of class ElectricServiceInterface() return an
empty collection of PANDevice objects and not null when
method getPANdevices() is called.
-W
On 15/12/2011, Venkat <ven12344(a)yahoo.com> wrote:
Hi Manstis, I have specified the salience in each rule and it works
fine.
Which explains it, what salience do. Now the problem that initially we were
talking about still exists. The rules from
PAN Device MAC Address null or empty rule
to
PAN Device Smart Device Model null rule
are giving this exception
Eval0Invoker@1e87bc80 : java.lang.NullPointerException
So we are back to the same problem. Please let me know
Thanks,
Venkat.
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5227
days inactive
5228
days old
20 comments
3 participants
participants (3)
-
Michael Anstis -
Venkat -
Wolfgang Laun