Hi Jayant, Hi Raushan,
the reason for the error is a bug/wrong approach in the trail (and in the personalizationpromotions extension).
Both extensions declare a userRAOPopulator and instead of adding it to the userRaoConverter declared in ruleengineservices via the modifyPopulatorList bean, both extensions override the userRaoConverter. As the promotionenginetrail extension is loaded last, that userRaoConverter "wins" and becomes the standard userRaoConverter (via its alias declararion). As a result, the personalization specific populator gets "lost" which is the root cause for the nullpointer exception you experience.
Please try to replace this part of the spring.xml file where the userRaoConverter is overridden:
<alias name="promotionenginetrailUserRaoConverter" alias="userRaoConverter" />
<bean id="promotionenginetrailUserRaoConverter" parent="abstractPopulatingConverter">
<property name="targetClass" value="de.hybris.platform.ruleengineservices.rao.UserRAO" />
<property name="populators">
<list>
<ref bean="userRaoPopulator" />
<ref bean="promotionenginetrailUserRaoPopulator" />
</list>
</property>
</bean>
with this part instead (which just adds the new populator to the existing converter):
<bean parent="modifyPopulatorList">
<property name="list" ref="userRaoConverter" />
<property name="add" ref="promotionenginetrailUserRaoPopulator" />
</bean>
The trail will be updated with this as well to prevent more trail users from running into this issue.
Thanks for bringing it up and sorry for the inconvenience.
Please let me know if you run into any further issues.
Hope this helps,
Sebastian
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