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From: "James Dyer (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Commented] (SOLR-2141) NullPointerException when using
 escapeSql function
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    [ https://issues.apache.org/jira/browse/SOLR-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13502319#comment-13502319 ] 

James Dyer commented on SOLR-2141:
----------------------------------

Could you try importing again with the latest revision from Trunk/5.x or branch_4x ?  Based on my limited understanding of this problem, I think it might have been solved with SOLR-4086.

In either case, we probably should write a good unit test for this so that it doesn't break again.
                
> NullPointerException when using escapeSql function
> --------------------------------------------------
>
>                 Key: SOLR-2141
>                 URL: https://issues.apache.org/jira/browse/SOLR-2141
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4.1
>         Environment: openjdk 1.6.0 b12
>            Reporter: Edward Rudd
>            Assignee: Koji Sekiguchi
>         Attachments: dih-config.xml, dih-file.xml, SOLR-2141.b341f5b.patch, SOLR-2141.patch, SOLR-2141.patch, SOLR-2141-sample.patch, SOLR-2141-test.patch
>
>
> I have two entities defined, nested in each other..
> <entity name="article" query="select category, subcategory from articles">
>    <entity name="other" query="select other from othertable where category='${dataimporter.functions.escapeSql(article.category)}'
>               AND subcategory='${dataimporter.functions.escapeSql(article.subcategory)}'">  
>    </entity>
> </entity>
> Now, when I run that it bombs on any article where subcategory = '' (it's a NOT NULL column so empty string is there)  If i do where subcategory!='' in the article query it works fine (aside from not pulling in all of the articles).
> org.apache.solr.handler.dataimport.DataImportHandlerException: java.lang.NullPointerException
>         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:424)
>         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:383)
>         at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:242)
>         at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:180)
>         at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:331)
>         at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:389)
>         at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:370)
> Caused by: java.lang.NullPointerException
>         at org.apache.solr.handler.dataimport.EvaluatorBag$1.evaluate(EvaluatorBag.java:75)
>         at org.apache.solr.handler.dataimport.EvaluatorBag$5.get(EvaluatorBag.java:216)
>         at org.apache.solr.handler.dataimport.EvaluatorBag$5.get(EvaluatorBag.java:204)
>         at org.apache.solr.handler.dataimport.VariableResolverImpl.resolve(VariableResolverImpl.java:107)
>         at org.apache.solr.handler.dataimport.TemplateString.fillTokens(TemplateString.java:81)
>         at org.apache.solr.handler.dataimport.TemplateString.replaceTokens(TemplateString.java:75)
>         at org.apache.solr.handler.dataimport.VariableResolverImpl.replaceTokens(VariableResolverImpl.java:87)
>         at org.apache.solr.handler.dataimport.SqlEntityProcessor.nextRow(SqlEntityProcessor.java:71)
>         at org.apache.solr.handler.dataimport.EntityProcessorWrapper.nextRow(EntityProcessorWrapper.java:237)
>         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:357)
>         ... 6 more

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