Ok, I got it, thanks 2012/10/17 Alexandre Rafalovitch <arafa...@gmail.com>
> Yes, just make sure you have it in the scheme. Solr handles the rest. > > Regards, > Alex. > Personal blog: http://blog.outerthoughts.com/ > LinkedIn: http://www.linkedin.com/in/alexandrerafalovitch > - Time is the quality of nature that keeps events from happening all > at once. Lately, it doesn't seem to be working. (Anonymous - via GTD > book) > > > On Wed, Oct 17, 2012 at 12:57 PM, Jun Wang <wangjun...@gmail.com> wrote: > > 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 > -- from Jun Wang
