How to enable Solr Indexing logs in WSO2 Products

Just add following two lines to <CARBON_HOME>/repository/config/log4j.properties 

log4j.logger.org.wso2.carbon.registry.indexing.solr.SolrClient=DEBUG
log4j.logger.org.wso2.carbon.registry.indexing.ResourceSubmitter=DEBUG

Then Restart the server.

You will see debug logs in console while registry resources are indexing like below.

	[2016-07-16 02:20:22,790] INFO - public-stores:jag Emitting event : tenantLoad
	[2016-07-16 02:20:25,420] DEBUG - SolrClient user roles filter query values: (system/wso2.anonymous.role)
	[2016-07-16 02:20:25,421] DEBUG - SolrClient Pagination Context| start: 0 | rows:15 | sortBy: overview_name
	[2016-07-16 02:20:25,513] DEBUG - SolrClient Solr index queried query: q=*+TO+*&rows=15&fq=tenantId%3A%5C-1234&fq=allowedRoles%3A%28system%2Fwso2.anonymous.role%29&fq=lcState_s%3Apublished&fq=overview_treatAsASite_s%3A*false*&fq=mediaType_s%3Aapplication%2Fvnd.wso2-webapp%2Bxml&start=0&sort=overview_name_s+asc
	[2016-07-16 02:20:25,683] DEBUG - SolrClient user roles filter query values: (system/wso2.anonymous.role)
	[2016-07-16 02:20:25,684] DEBUG - SolrClient Pagination Context| start: 0 | rows:15 | sortBy: overview_name
	[2016-07-16 02:20:25,698] DEBUG - SolrClient Solr index queried query: q=*+TO+*&rows=15&fq=tenantId%3A%5C-1234&fq=allowedRoles%3A%28system%2Fwso2.anonymous.role%29&fq=lcState_s%3Apublished&fq=overview_treatAsASite_s%3A*true*&fq=mediaType_s%3Aapplication%2Fvnd.wso2-webapp%2Bxml&start=0&sort=overview_name_s+asc
	[2016-07-16 02:20:25,766] DEBUG - SolrClient user roles filter query values: (system/wso2.anonymous.role)
	[2016-07-16 02:20:25,767] DEBUG - SolrClient Pagination Context| start: 0 | rows:15 | sortBy: overview_name
	[2016-07-16 02:20:25,771] DEBUG - SolrClient Solr index queried query: q=*+TO+*&rows=15&fq=tenantId%3A%5C-1234&fq=allowedRoles%3A%28system%2Fwso2.anonymous.role%29&fq=lcState_s%3Apublished&fq=mediaType_s%3Aapplication%2Fvnd.wso2-mobileapp%2Bxml&start=0&sort=overview_name_s+asc

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