No, you only need defaults if you use properties that are not defined in 
solr.xml or solrcore.properties.

What would the value for local.core be if you don't define it anyway and you 
don't specify a default? Quite unpredictable i gues =)

> i even have to define default values for the dataimport.delta values? that
> doesn't seem right
> 
> On Wed, Jan 19, 2011 at 11:57 AM, Markus Jelsma
> 
> <markus.jel...@openindex.io>wrote:
> > Hi,
> > 
> > I'm unsure if i completely understand but you first had the error for
> > local.code and then set the property in solr.xml? Then of course it will
> > give
> > an error for the next undefined property that has no default set.
> > 
> > If you use a property without default it _must_ be defined in solr.xml or
> > solrcore.properties. And since you don't use defaults in your dataconfig
> > they
> > all must be explicitely defined.
> > 
> > This is proper behaviour.
> > 
> > Cheers,
> > 
> > > I'm trying to dynamically add a core to a multi core system using the
> > 
> > > following command:
> > http://localhost:8983/solr/admin/cores?action=CREATE&name=items&instanceD
> > ir
> > 
> > > =items&config=data-config.xml&schema=schema.xml&dataDir=data&persist=tr
> > > ue
> > > 
> > > the data-config.xml looks like this:
> > > 
> > > <dataConfig>
> > > 
> > >   <dataSource type="JdbcDataSource"
> > >   
> > >    url="jdbc:mysql://localhost/"
> > >    ...
> > >    name="server"/>
> > >   
> > >   <document name="items">
> > >   
> > >    <entity dataSource="server" name="locals"
> > >    
> > >        query="select code from master.locals"
> > >        rootEntity="false">
> > >     
> > >     <entity dataSource="server" name="item"
> > >     
> > >         query="select '${local.code}' as localcode,
> > >         items.*
> > > 
> > > FROM ${local.code}_meta.item
> > > WHERE
> > > 
> > >   item.lastmodified > '${dataimporter.last_index_time}'
> > > 
> > > OR
> > > 
> > >   '${dataimporter.request.clean}' != 'false'
> > > 
> > > order by item.objid"
> > > />
> > > </entity>
> > > </document>
> > > </dataConfig>
> > > 
> > > this same configuration works for a core that is already imported into
> > 
> > the
> > 
> > > system, but when trying to add the core with the above command I get
> > > the following error:
> > > 
> > > No system property or default value specified for local.code
> > > 
> > > so I added a <property/> tag in the solr.xml figuring that it needed
> > > some type of default value for this to work, then I restarted solr,
> > > but now
> > 
> > when
> > 
> > > I try the import I get:
> > > 
> > > No system property or default value specified for
> > > dataimporter.last_index_time
> > > 
> > > Do I have to define a default value for every variable I will
> > > conceivably use for future cores? is there a way to bypass this error?
> > > 
> > > Thanks in advance

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