You need to follow this 4 steps  approach -   Step 1: Use AEM query builder debugger url http://localhost:4502/libs/cq/search/content/querydebug.html to generate xpath query as shown below -   Query builder query - type=cq:Page path=/content/mysite/country/locale 1_property=jcr:content/cq:templat...

Could you please brief me about your custom queries ,then I will use Oak index Definition generator to generate index structure.   After re-indexing, did you check the availability of 2 custom property indexes under /oak:index/damAssetLucene/indexRules/dam:Asset/properties.    

To read the binary data earlier I have referred following link: https://www.bhasaka.com/write-read-binary-data-into-from-jcr-node/   Check this if it helps.

Could you please check this https://www.linkedin.com/pulse/aem-63-request-attributes-ronak-bhayani/ if it helps.

I believe after manipulation ,  you need to activate the modified assets also. Please correct me.   Option1> You can use bulk editor to manipulate/edit the values. No coding would be required. But you have to think about activation separately. Option2> You can write a groovy script to access those f...

Bulk editor is available on AEM as a cloud service also. But I haven't use it on AEM as a cloud service personally.   I have used bulk editor on different AEM 6.5.X. 

Could you please check error.log file for issued components. Please share the steps so that I can give a try to replicate.   I am not seeing any screenshot here.

@Inject: This annotation is used to inject a property, resource, request, OSGi service.                This is a generic annotation   @ValueMapValue: Injects a ValueMap value. If via is not set, it will automatically take resource if the adaptable is the SlingHttpServletRequest. If name is not set t...

I would like to focus on below points - OSGi Configuration, are you reading any OSGi configuration in your Test servlet? If yes , have you configured it ?Other services that it depends to, are they already active or also in Satisfied state? I want to take a look into your Servlet code.

@Pavan_Kalyan ,   I have added We.retail text component [RTE] in We.retail template structure but not getting error in console log -   Could you please check the relevant client library. I feel that clientlib is getting loaded while accessing structure of the template.