[jira] [Created] (SOLR-11644) RealTimeGet not working when router.field is not an uniqeKey

["Jarek Mazgaj (JIRA)" <ji...@apache.org>]

Jarek Mazgaj created SOLR-11644:
-----------------------------------

             Summary: RealTimeGet not working when router.field is not an uniqeKey
                 Key: SOLR-11644
                 URL: https://issues.apache.org/jira/browse/SOLR-11644
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 6.6.2, 7.1
            Reporter: Jarek Mazgaj


I have a schema with following fields:

{code:js}
    <field name="candidate_id" type="string" required="true"/>
    <field name="company_id" type="string" required="true"/>
    <field name="name" type="string"/>
    <uniqueKey>candidate_id</uniqueKey>
{code}

A collection was created with following parameters:
* numShards=4
* replicationFactor=2
* *router.field=company_id*

When I try to do a Real Time Get with no routing information:
{code:java}
/get?id=1044101665
{code}
I get an empty response.

When I try to add routing information (search returns document for these walues):
{code:java}
/get?id=1044101665&_route_=77493783
{code}
I get an error:
{code}
org.apache.solr.common.SolrException: Can't find shard 'applicants_shard7'
	at org.apache.solr.handler.component.RealTimeGetComponent.sliceToShards(RealTimeGetComponent.java:888)
	at org.apache.solr.handler.component.RealTimeGetComponent.createSubRequests(RealTimeGetComponent.java:835)
	at org.apache.solr.handler.component.RealTimeGetComponent.distributedProcess(RealTimeGetComponent.java:791)
	at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:345)
	at org.apache.solr.handler.RealTimeGetHandler.handleRequestBody(RealTimeGetHandler.java:46)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
	at org.apache.solr.core.SolrCore.execute(SolrCore.java:2484)
	at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:720)
	at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:526)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
	at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
	at org.eclipse.jetty.server.Server.handle(Server.java:534)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
	at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
	at java.lang.Thread.run(Thread.java:748)
{code}

In logs I can find the following line:
{code:java}
2017-11-15 13:20:09.369 INFO  (qtp257895351-1305) [c:applicants s:shard9 r:core_node19 x:applicants_shard9_replica_n16] o.a.s.h.c.RealTimeGetComponent LOOKUP_SLICE:shard12=http://solr-applications1-int:8983/solr/applicants_shard12_replica_n22/
{code}

It seems that RealTimeGet check the shard number for the "candidate_id" field (which is a unique field) and it gets: *shard7*.
It should check the shard number for the "company_id" field (set by router.field) and then it would get the correct *shard12*.




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