Re: _version_ field missing in schema?

Wed, 23 Jan 2019 02:50:34 -0800 

Hi Alex,

thanks for you answer. I took the lines directly from the
managed-schema, deleted the managed-schema, and pasted those lines into 
my schema.xml.
If I have other errors in the schema.xml (such as a missing field type), solr complains about those until I fix them. So I would guess that the schema is at least *read*, but unsure if it is in fact used. I've not 
used solr before.
I cannot use the admin UI, at least not while the core with the faulty 
schema is used.
I wanted to use schema.xml because it allows for version control, and because it's easier for me to just use xml to define my schema. Is there a preferred approach? I don't (want to) use solr cloud, as for our use 
case a single instance of solr is more than enough.

Thanks for your help,
Aleks

Alexandre Rafalovitch <arafa...@gmail.com> writes:
What do you mean schema.xml from managed-schema? schema.xml is old non-managed approach. If you have both, schema.xml will be ignored.
I suspect you are not running with the schema you think you do. You can 
check that with API or in Admin UI if you get that far.

Regards,
    Alex

On Tue, Jan 22, 2019, 11:39 AM Aleksandar Dimitrov <
a.dimit...@seidemann-web.com wrote:


Hi,

I'm using solr 7.5, in my schema.xml I have this, which I took
from the
managed-schema:

  <!-- Solr private fields -->
<!-- docValues are enabled by default for long type so we don't 
  need to index the version field  -->
  <field name="_version_" type="plong" indexed="false"
  stored="false" />
  <fieldType name="plong" class="solr.LongPointField"
  docValues="true" />

However, on startup, solr complains:
Caused by: org.apache.solr.common.SolrException: _version_ field must exist in schema and be searchable (indexed or docValues) and retrievable(stored or docValues) and not multiValued (_version_ 
 does not exist)
      at

org.apache.solr.update.VersionInfo.getAndCheckVersionField(VersionInfo.java:69)

      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at
      org.apache.solr.update.VersionInfo.<init>(VersionInfo.java:95)
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
at org.apache.solr.update.UpdateLog.init(UpdateLog.java:404) 
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at
      org.apache.solr.update.UpdateHandler.<init>(UpdateHandler.java:161)
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at
      org.apache.solr.update.UpdateHandler.<init>(UpdateHandler.java:116)
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at

org.apache.solr.update.DirectUpdateHandler2.<init>(DirectUpdateHandler2.java:119)

      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at

jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
      Method) ~[?:?]
      at

jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

      ~[?:?]
      at

jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

      ~[?:?]
      at
      java.lang.reflect.Constructor.newInstance(Constructor.java:488)
      ~[?:?]
      at
      org.apache.solr.core.SolrCore.createInstance(SolrCore.java:799)
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at
      org.apache.solr.core.SolrCore.createUpdateHandler(SolrCore.java:861)
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at
      org.apache.solr.core.SolrCore.initUpdateHandler(SolrCore.java:1114)
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:984) 
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:869) 
      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      at

org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1138)

      ~[solr-core-7.5.0.jar:7.5.0
      b5bf70b7e32d7ddd9742cc821d471c5fabd4e3df - jimczi -
      2018-09-18 13:07:55]
      ... 7 more

Anyone know what I'm doing wrong?
I've tried having the _version_ field be string, and indexed and 
stored,
but that didn't help.

Thanks!

Aleks

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