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https://issues.apache.org/jira/browse/SOLR-4071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497881#comment-13497881
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Po Rui commented on SOLR-4071:
------------------------------
yes. the null object got by SolrQueryRequest.getParams().get() will write into
ZkNodeProps as a String "null" in Handler. e.g.
request:http://127.0.0.1:8983/solr/admin/collections?action=CREATE&name=collection2&numShards=3&numReplicas=2.
this request miss parameter 'collection.configName'. but the finally message
offer to distributed queue(/overseer/queque) like
{……
name : collection2;
numShards : 3;
collection.configName : null;
……
}
the String 'null' become the default value. all other args in any message maybe
potentially assigned to value "null"
> CollectionsHandler.handleCreateAction() doesn't validate parameter count and
> type
> ---------------------------------------------------------------------------------
>
> Key: SOLR-4071
> URL: https://issues.apache.org/jira/browse/SOLR-4071
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.0-BETA, 4.0
> Reporter: Po Rui
> Assignee: Mark Miller
> Priority: Critical
> Fix For: 4.1, 5.0
>
> Attachments: SOLR-4071.patch
>
>
> CollectionsHandler.handleCreateAction() doesn't validate parameter count and
> type. numShards's type doesn't checked and parameter count maybe less than
> required
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