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https://issues.apache.org/jira/browse/SOLR-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shawn Heisey updated SOLR-11153:
--------------------------------
Attachment: SOLR-11153.patch
Another updated patch. This time the code changes are all in IndexSchema. One
of the main test schemas has been modified to remove "name" and "version" so
hopefully this specific problem will get tested.
> Incomplete schema results in mysterious error
> ---------------------------------------------
>
> Key: SOLR-11153
> URL: https://issues.apache.org/jira/browse/SOLR-11153
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 4.4, 5.0, 6.0
> Reporter: Shawn Heisey
> Assignee: Shawn Heisey
> Attachments: SOLR-11153.patch, SOLR-11153.patch, SOLR-11153.patch,
> SOLR-11153.patch
>
>
> A user on the mailing list was getting a very arcane error trying to load a
> very minimal solrconfig and schema. The error was ultimately caused by NPE
> in SchemaXmlWriter.java at line 85.
> The actual problem turned out to be a missing "name" attribute from the top
> level XML "schema" element in the file.
> {code}
> <?xml version="1.0" encoding="UTF-8" ?>
> <schema version="1.5">
> <fields>
> <field name="_id" type="string" indexed="true" stored="true"
> required="true"/>
> <field name="title" type="string" indexed="true" stored="true"
> required="true"/>
> </fields>
> <uniqueKey>_id</uniqueKey>
> <types>
> <fieldType name="string" class="solr.StrField" />
> </types>
> </schema>
> {code}
> As written, the code will explode with an NPE if the name is missing from the
> schema. Although I can state that the user's minimal config/schema are not
> very useful, Solr should not blow up without a useful error message, and in
> this case, I think it should have worked, only emitting a WARN message and
> assuming a default name.
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