Solr: org.apache.solr.common.SolrException: Invalid Date String:

I am new to solr and this is my first attempt at indexing solr data, I am getting the following exception while indexing,

org.apache.solr.common.SolrException: Invalid Date String:'2011-01-07' at org.apache.solr.schema.DateField.parseMath(DateField.java:165) at org.apache.solr.schema.TrieDateField.createField(TrieDateField.java:169) at org.apache.solr.schema.SchemaField.createField(SchemaField.java:98) at org.apache.solr.update.DocumentBuilder.addField(DocumentBuilder.java:204) at org.apache.solr.update.DocumentBuilder.toDocument(DocumentBuilder.java:277)

I understand from reading some articles that Solr stores time only in UTC, this is the query i am trying to index,

Select id,text,'language',links,tweetType,source,location, bio,url,utcOffset,timeZone,frenCnt,createdAt,createdOnGMT,createdOnServerTime,follCnt,favCnt,totStatusCnt,usrCrtDate,humanSentiment,replied,replyMsg,classified,locationDetail, geonameid,country,continent,placeLongitude,plac开发者_如何学编程eLatitude,listedCnt,hashtag,mentions,senderInfScr, createdOnGMTDate,DATE_FORMAT(CONVERT_TZ(createdOnGMTDate,'+00:00','+05:30'),'%Y-%m-%d') as IST,DATE_FORMAT(CONVERT_TZ(createdOnGMTDate,'+00:00','+01:00'),'%Y-%m-%d') as ECT,DATE_FORMAT(CONVERT_TZ(createdOnGMTDate,'+00:00','+02:00'),'%Y-%m-%d') as EET,DATE_FORMAT(CONVERT_TZ(createdOnGMTDate,'+00:00','+03:30'),'%Y-%m-%d') as MET,sign(classified) as sentiment from

Why i am doing this timezone conversion is because i need to group results by the user timezone. How can i achieve this?

Regards, Rohit

Solr dates must be in the form 1995-12-31T23:59:59Z. You're only giving the date part, but not the time.

See the DateField javadocs for more details.

Date faceting is entirely driven by query params, so if we index your events using the "true" time that they happend at (formatted as a string in UTC) you can then select your date ranges using whatever timezone offset is specified by your user at query time as a UTC offset.

facet.range = dateField
facet.range.start = 2011-01-01T00:00:00Z+${useroffset}MINUTES
facet.range.gap = +1DAY

This would return result in the users timezone and there is actually no need to timezone conversion the query and indexing that column separately.

Regards, Rohit

Credit For Answer: Chris Hostetter (Solr User Group )