[SOLR-7574] NullPointerException in RequestUtil.mergeJSON

• Type: Bug
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 5.1
• Fix Version/s: 5.2.1
• Assignee: Yonik Seeley
• Reporter: Alexey Serba
• Created: 19/May/15 21:24
• Updated: 16/Jun/15 11:54
• Resolved: 09/Jun/15 15:56

Description

"Steps to reproduce"

bin/solr start

bin/solr create_core -c test

curl -H 'Content-type: application/json' 'http://localhost:8983/solr/test/select?q=*:*&rows=10&wt=json'

"Exception"

ERROR - 2015-05-19 21:02:47.144; [   test] org.apache.solr.common.SolrException; null:java.lang.NullPointerException
        at org.apache.solr.request.json.ObjectUtil$ConflictHandler.mergeMap(ObjectUtil.java:60)
        at org.apache.solr.request.json.ObjectUtil.mergeObjects(ObjectUtil.java:114)
        at org.apache.solr.request.json.RequestUtil.mergeJSON(RequestUtil.java:259)
        at org.apache.solr.request.json.RequestUtil.processParams(RequestUtil.java:176)
        at org.apache.solr.util.SolrPluginUtils.setDefaults(SolrPluginUtils.java:166)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:140)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1984)
...

While there's no really any point in specifying content-type header with no content stream, but one can forget to remove this when trying different commands with curl / script.

Issue Links

• is broken by: SOLR-7214 JSON Facet API
• is duplicated by: SOLR-7564 NPE using the JSON facet API
• is related to: SOLR-7674 Content-Type: json gives null issue when not sending Body