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Posted to issues@lucene.apache.org by "Alexandre Rafalovitch (Jira)" <ji...@apache.org> on 2020/08/29 20:33:00 UTC
[jira] [Resolved] (SOLR-12970) Inconsistency between
VariableResolver returning "" and FieldStreamDataSource testing for null
[ https://issues.apache.org/jira/browse/SOLR-12970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexandre Rafalovitch resolved SOLR-12970.
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Resolution: Won't Fix
> Inconsistency between VariableResolver returning "" and FieldStreamDataSource testing for null
> ----------------------------------------------------------------------------------------------
>
> Key: SOLR-12970
> URL: https://issues.apache.org/jira/browse/SOLR-12970
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Affects Versions: 7.5
> Environment: solr 7.5.0, tried on win7 32 and ubuntu x64.
> I get the problem with oracle data source, because I typed field name lower case, I had to type it upper case.
> Reporter: Pierre Beck
> Priority: Minor
>
> If one mistype dataField, we should get an error "No field available for name : "
> Instead you get a mystic "unsupported type : class java.lang.String"
>
> in FieldStreamDataSource.java
> https://github.com/apache/lucene-solr/blob/master/solr/contrib/dataimporthandler/src/java/org/apache/solr/handler/dataimport/FieldStreamDataSource.java
> l. 63, if (o == null) {
> the code is testing if the freshly returned o is null
> But in VariableResolver.java
> (https://github.com/apache/lucene-solr/blob/master/solr/contrib/dataimporthandler/src/java/org/apache/solr/handler/dataimport/VariableResolver.java)
> public Object resolve(String name) {
> l 118 : return r == null ? "" : r;
> If field cannot be resolved, resolve() returns "" instead of null. But getData() is expecting null if unresolved and throw a more explanary error l. 64 throw new DataImportHandlerException(SEVERE, "No field available for name : " + dataField);
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