[jira] [Updated] (SOLR-11153) Incomplete schema results in mysterious error

["Shawn Heisey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shawn Heisey updated SOLR-11153:
--------------------------------
    Attachment: SOLR-11153.patch

New patch.

I got one failure with this patch, which did not appear to be related at all.  It was a "directory not empty" exception trying to delete a directory when running TestLRUStatsCache.

> 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
>
>
> 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 either the name or version 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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