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https://issues.apache.org/jira/browse/SOLR-9077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15582274#comment-15582274
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Dennis Gove commented on SOLR-9077:
-----------------------------------
It might be necessary to do that in each source stream, though a centralized
location might be better. The StreamFactory could be a place to store the
aliases after looking them up but I'm not 100% sure that's the best place.
> Streaming expression in solr doesnot support collection alias
> -------------------------------------------------------------
>
> Key: SOLR-9077
> URL: https://issues.apache.org/jira/browse/SOLR-9077
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 5.5.1
> Reporter: Suds
> Priority: Minor
>
> Streaming expression in solr does not support collection alias
> when I tried to access collection alias I get null pointer exception
> issue seems to be related to following code , clusterState.getActiveSlices
> returns null
> Collection<Slice> slices = clusterState.getActiveSlices(this.collection);
> for(Slice slice : slices) {
> }
> fix seems to fairly simple , clusterState.getActiveSlices can be made aware
> of collection alias. I am not sure what will happen when we have large alias
> which has hundred of slices.
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