Is that said we just need to add this filed, and there is no more work? 2012/10/17 Rafał Kuć <r....@solr.pl>
> Hello! > > It is used internally by Solr, for example by features like partial > update functionality and update log. > > -- > Regards, > Rafał Kuć > Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch - ElasticSearch > > > I ma moving to solr4.0 from beta version. There is a exception was > thrown, > > > Caused by: org.apache.solr.common.SolrException: _version_field must > exist > > in schema, using indexed="true" stored="true" and multiValued="false" > > (_version_ does not exist) > > at > > > org.apache.solr.update.VersionInfo.getAndCheckVersionField(VersionInfo.java:57) > > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:606) > > ... 26 more > > 2 > > > It's seem that there need a field like > > <field name="_version_" type="long" indexed="true" stored="true"/> > > in schema.xml. I am wonder what does this used for? > > -- from Jun Wang
