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Posted to user@ofbiz.apache.org by jillas <pr...@cognizant.com> on 2009/06/12 12:34:58 UTC
Getting NullPointerException as Delegator is NULL
Hi
I have inserted one record in the tabe and trying to retreive the rows
from the table. While retreving the table rows getting the following is the
code and the error we faced is getting NullPointerException as Delegator is
NULL, we want to run this program from standalone system.
import org.ofbiz.entity.*;
import org.ofbiz.entity.condition.*;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.entity.GenericDelegator.*;
import org.ofbiz.entity.GenericEntityException;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.entity.condition.EntityCondition;
import org.ofbiz.entity.condition.EntityFunction;
import org.ofbiz.entity.condition.EntityOperator;
import org.ofbiz.entity.model.ModelEntity;
import org.ofbiz.entity.util.EntityUtil;
import java.util.*;
import java.util.Enumeration;
import java.util.Iterator;
public class ViewPlanet {
public static void main(String[] args)
{
GenericDelegator delegator=null;
List data=null;
try
{
EntityExpr exp =
EntityCondition.makeCondition("planetId",EntityOperator.EQUALS,"EARTH");
data = (List)delegator.findList("Planet",exp , null , null ,null , true
);
String result=null;
for (int i = 0; i < data.size(); i++) {
result = (String) data.get ;
System.out.println("List Data Result = " + result);
}
}
catch (Exception e)
{
e.printStackTrace();
}
System.out.println("Hello World!");
ViewPlanet vplanet = new ViewPlanet();
}
}
Thanks & Regards
Prashanth Jilla
--
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Re: Getting NullPointerException as Delegator is NULL
Posted by jillas <pr...@cognizant.com>.
Hi Ashish
After doing the change as you specified, getting the error as
following:
Exception in thread "main" java.lang.ExceptionInInitializerError
at org.ofbiz.base.util.Debug.<clinit>(Debug.java:86)
at
org.ofbiz.entity.GenericDelegator.getGenericDelegator(GenericDelegator.java:129)
at org.ofbiz.party.party.ViewPlanet.main(ViewPlanet.java:25)
Caused by: java.util.MissingResourceException: Can't find bundle for base
name cache, locale en_US
at java.util.ResourceBundle.throwMissingResourceException(Unknown Source)
at java.util.ResourceBundle.getBundleImpl(Unknown Source)
at java.util.ResourceBundle.getBundle(Unknown Source)
at
org.ofbiz.base.util.cache.UtilCache.setPropertiesParams(UtilCache.java:216)
at
org.ofbiz.base.util.cache.UtilCache.setPropertiesParams(UtilCache.java:212)
at org.ofbiz.base.util.cache.UtilCache.<init>(UtilCache.java:171)
at org.ofbiz.base.util.UtilProperties.<clinit>(UtilProperties.java:68)
... 3 more
Ashish Vijaywargiya-5 wrote:
>
> Here you are assigning null value to GenericDelegator object and then
> you are trying to fetch the values using null.
>
> Please try following line to get "default" delegator object:
> GenericDelegator delegator = GenericDelegator.getGenericDelegator(null);
>
> --
> Ashish
>
>
> jillas wrote:
>> Hi
>>
>> I have inserted one record in the tabe and trying to retreive the
>> rows
>> from the table. While retreving the table rows getting the following is
>> the
>> code and the error we faced is getting NullPointerException as Delegator
>> is
>> NULL, we want to run this program from standalone system.
>>
>> import org.ofbiz.entity.*;
>> import org.ofbiz.entity.condition.*;
>> import org.ofbiz.entity.GenericValue;
>> import org.ofbiz.entity.GenericDelegator.*;
>> import org.ofbiz.entity.GenericEntityException;
>> import org.ofbiz.entity.GenericValue;
>> import org.ofbiz.entity.condition.EntityCondition;
>> import org.ofbiz.entity.condition.EntityFunction;
>> import org.ofbiz.entity.condition.EntityOperator;
>> import org.ofbiz.entity.model.ModelEntity;
>> import org.ofbiz.entity.util.EntityUtil;
>> import java.util.*;
>> import java.util.Enumeration;
>> import java.util.Iterator;
>>
>> public class ViewPlanet {
>>
>> public static void main(String[] args)
>> {
>> GenericDelegator delegator=null;
>> List data=null;
>> try
>> {
>> EntityExpr exp =
>> EntityCondition.makeCondition("planetId",EntityOperator.EQUALS,"EARTH");
>> data = (List)delegator.findList("Planet",exp , null , null ,null ,
>> true
>> );
>>
>> String result=null;
>> for (int i = 0; i < data.size(); i++) {
>> result = (String) data.get ;
>> System.out.println("List Data Result = " + result);
>> }
>>
>> }
>> catch (Exception e)
>> {
>> e.printStackTrace();
>> }
>> System.out.println("Hello World!");
>> ViewPlanet vplanet = new ViewPlanet();
>>
>> }
>> }
>>
>> Thanks & Regards
>> Prashanth Jilla
>>
>
>
>
--
View this message in context: http://www.nabble.com/Getting-NullPointerException-as-Delegator-is-NULL-tp23996456p23998323.html
Sent from the OFBiz - User mailing list archive at Nabble.com.
Re: Getting NullPointerException as Delegator is NULL
Posted by BJ Freeman <bj...@free-man.net>.
a delegator is the way to communicate with the stored data.
therefore it can not be null.
it must be, what is defined in the entityengine.xml, or in web.xml.
as a helper the web.xml defines the Default delegator that is used if no
delegator when none is defined, when part of a webapp.
GenericDelegator.getGenericDelegator("default")
says to use the default either defined in the web.xml or in the
entityengine.xml
This shows why it is important to read up on ofbiz.
jillas sent the following on 6/12/2009 5:59 AM:
> Hi Ashish
>
> After doing the change as you specified, getting the error as
> following:
>
> Exception in thread "main" java.lang.ExceptionInInitializerError
> at org.ofbiz.base.util.Debug.<clinit>(Debug.java:86)
> at
> org.ofbiz.entity.GenericDelegator.getGenericDelegator(GenericDelegator.java:129)
> at org.ofbiz.party.party.ViewPlanet.main(ViewPlanet.java:25)
> Caused by: java.util.MissingResourceException: Can't find bundle for base
> name cache, locale en_US
> at java.util.ResourceBundle.throwMissingResourceException(Unknown Source)
> at java.util.ResourceBundle.getBundleImpl(Unknown Source)
> at java.util.ResourceBundle.getBundle(Unknown Source)
> at
> org.ofbiz.base.util.cache.UtilCache.setPropertiesParams(UtilCache.java:216)
> at
> org.ofbiz.base.util.cache.UtilCache.setPropertiesParams(UtilCache.java:212)
> at org.ofbiz.base.util.cache.UtilCache.<init>(UtilCache.java:171)
> at org.ofbiz.base.util.UtilProperties.<clinit>(UtilProperties.java:68)
> ... 3 more
>
>
>
> Ashish Vijaywargiya-5 wrote:
>> Here you are assigning null value to GenericDelegator object and then
>> you are trying to fetch the values using null.
>>
>> Please try following line to get "default" delegator object:
>> GenericDelegator delegator = GenericDelegator.getGenericDelegator(null);
>>
>> --
>> Ashish
>>
>>
>> jillas wrote:
>>> Hi
>>>
>>> I have inserted one record in the tabe and trying to retreive the
>>> rows
>>> from the table. While retreving the table rows getting the following is
>>> the
>>> code and the error we faced is getting NullPointerException as Delegator
>>> is
>>> NULL, we want to run this program from standalone system.
>>>
>>> import org.ofbiz.entity.*;
>>> import org.ofbiz.entity.condition.*;
>>> import org.ofbiz.entity.GenericValue;
>>> import org.ofbiz.entity.GenericDelegator.*;
>>> import org.ofbiz.entity.GenericEntityException;
>>> import org.ofbiz.entity.GenericValue;
>>> import org.ofbiz.entity.condition.EntityCondition;
>>> import org.ofbiz.entity.condition.EntityFunction;
>>> import org.ofbiz.entity.condition.EntityOperator;
>>> import org.ofbiz.entity.model.ModelEntity;
>>> import org.ofbiz.entity.util.EntityUtil;
>>> import java.util.*;
>>> import java.util.Enumeration;
>>> import java.util.Iterator;
>>>
>>> public class ViewPlanet {
>>>
>>> public static void main(String[] args)
>>> {
>>> GenericDelegator delegator=null;
>>> List data=null;
>>> try
>>> {
>>> EntityExpr exp =
>>> EntityCondition.makeCondition("planetId",EntityOperator.EQUALS,"EARTH");
>>> data = (List)delegator.findList("Planet",exp , null , null ,null ,
>>> true
>>> );
>>>
>>> String result=null;
>>> for (int i = 0; i < data.size(); i++) {
>>> result = (String) data.get ;
>>> System.out.println("List Data Result = " + result);
>>> }
>>>
>>> }
>>> catch (Exception e)
>>> {
>>> e.printStackTrace();
>>> }
>>> System.out.println("Hello World!");
>>> ViewPlanet vplanet = new ViewPlanet();
>>>
>>> }
>>> }
>>>
>>> Thanks & Regards
>>> Prashanth Jilla
>>>
>>
>>
>
--
BJ Freeman
http://www.businessesnetwork.com/automation
http://bjfreeman.elance.com
http://www.linkedin.com/profile?viewProfile=&key=1237480&locale=en_US&trk=tab_pro
Systems Integrator.
Re: Getting NullPointerException as Delegator is NULL
Posted by Ashish Vijaywargiya <as...@hotwaxmedia.com>.
Here you are assigning null value to GenericDelegator object and then
you are trying to fetch the values using null.
Please try following line to get "default" delegator object:
GenericDelegator delegator = GenericDelegator.getGenericDelegator(null);
--
Ashish
jillas wrote:
> Hi
>
> I have inserted one record in the tabe and trying to retreive the rows
> from the table. While retreving the table rows getting the following is the
> code and the error we faced is getting NullPointerException as Delegator is
> NULL, we want to run this program from standalone system.
>
> import org.ofbiz.entity.*;
> import org.ofbiz.entity.condition.*;
> import org.ofbiz.entity.GenericValue;
> import org.ofbiz.entity.GenericDelegator.*;
> import org.ofbiz.entity.GenericEntityException;
> import org.ofbiz.entity.GenericValue;
> import org.ofbiz.entity.condition.EntityCondition;
> import org.ofbiz.entity.condition.EntityFunction;
> import org.ofbiz.entity.condition.EntityOperator;
> import org.ofbiz.entity.model.ModelEntity;
> import org.ofbiz.entity.util.EntityUtil;
> import java.util.*;
> import java.util.Enumeration;
> import java.util.Iterator;
>
> public class ViewPlanet {
>
> public static void main(String[] args)
> {
> GenericDelegator delegator=null;
> List data=null;
> try
> {
> EntityExpr exp =
> EntityCondition.makeCondition("planetId",EntityOperator.EQUALS,"EARTH");
> data = (List)delegator.findList("Planet",exp , null , null ,null , true
> );
>
> String result=null;
> for (int i = 0; i < data.size(); i++) {
> result = (String) data.get ;
> System.out.println("List Data Result = " + result);
> }
>
> }
> catch (Exception e)
> {
> e.printStackTrace();
> }
> System.out.println("Hello World!");
> ViewPlanet vplanet = new ViewPlanet();
>
> }
> }
>
> Thanks & Regards
> Prashanth Jilla
>