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https://issues.apache.org/jira/browse/SOLR-4376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13829717#comment-13829717
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ASF subversion and git services commented on SOLR-4376:
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Commit 1544421 from sha...@apache.org in branch 'dev/trunk'
[ https://svn.apache.org/r1544421 ]
SOLR-4376: DataImportHandler uses wrong date format for last_index_time if a
delta-import is run first before any full-imports
> dih.last_index_time has bad Date.toString() format during first delta import
> ----------------------------------------------------------------------------
>
> Key: SOLR-4376
> URL: https://issues.apache.org/jira/browse/SOLR-4376
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Affects Versions: 4.1
> Reporter: Sebastien Lorber
> Assignee: Shalin Shekhar Mangar
> Priority: Minor
> Attachments: SOLR-4376-trunk.patch
>
>
> Hi
> In:
> org.apache.solr.handler.dataimport.DocBuilder#getVariableResolver
> {code:java}
> private static final Date EPOCH = new Date(0);
> if (persistedProperties.get(LAST_INDEX_TIME) != null) {
> // String added to map
> indexerNamespace.put(LAST_INDEX_TIME,
> persistedProperties.get(LAST_INDEX_TIME));
> } else {
> // Date added to map
> indexerNamespace.put(LAST_INDEX_TIME, EPOCH);
> }
> {code}
> - When LAST_INDEX_TIME is found in the data-import.properties, the value in
> the map is a String.
> - When LAST_INDEX_TIME is not found, we use timestamp = 0, but the value is
> a Date
> - When using full-import it works fine because basically we don't need this
> LAST_INDEX_TIME.
> - When doing delta import after a full import it also works fine.
> - But when doing a first delta import on a clean configuration, without any
> data-import.properties present, I have an SQL exception because of this query:
> {code:sql}
> SELECT xxx
> FROM BATCH_JOB_EXECUTION yyy
> WHERE last_updated > 'Thu Jan 01 01:00:00 CET 1970'
> {code}
> While normally the query is:
> {code:sql}
> SELECT xxx
> FROM BATCH_JOB_EXECUTION yyy
> WHERE last_updated > '1970-01-01 01:00:00'
> {code}
> For a configured query being:
> {code:sql}
> deltaQuery="SELECT bje.job_execution_id as JOB_EXECUTION_ID
> FROM BATCH_JOB_EXECUTION bje
> WHERE last_updated > '${dih.last_index_time}'"
> {code}
> I think in any case, the value associated to the key in the map must be
> consistent and either be String or Date, but not both.
> Personally I would expect it to be stored as String, and the EPOCH date being
> formatted in the exact same format the date properties are persisted in the
> file, which is:
> org.apache.solr.handler.dataimport.SimplePropertiesWriter#dateFormat
> This doesn't have a real impact on our code but it is just that an
> integration test "test_delta_import_when_never_indexed" was unexpectedly
> failing while all others were ok, after a Solr 1.4 to Solr 4.1 migration.
> Thus it seems to be a minor regression.
> Thanks
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