Thanks Erick, I've looked over the documentation.
Quick follow-up question:
What are the consequences of running with legacyCloud=true?
Would I need to point a new Solr cluster at a new Zookeeper instance to
avoid this?
Many thanks!
-Dave
On Mon, Oct 30, 2017 at 1:36 PM, Erick Erickson <erickerick...@gmail.com>
wrote:
> empty clusterstate.json node. OK, you're on state format 2 (the modern
> one) so that's good. No need to MIGRATESTATE
>
> The admin UI>>cloud>>tree view should have a cluster.properties (IIRC
> the name correctly, it'll be fairly obvious). If you have no
> non-default values it'll be totally missing. It's a sibling znode to
> clusterstate.json.
>
> On page 56 of the 7.0 manual you'll find the command to set
> legacyCloud. I recommend you download the PDF as it's easier to search
> until someone breaks loose the time to get the new doc site search
> working....
>
> Here's the short form:
>
> ./server/scripts/cloud-scripts/zkcli.sh -zkhost 127.0.0.1:2181 -cmd
> clusterprop -name legacyCloud -val true
>
> If that works you'll see a node in your ZK tree.
>
> Best,
> Erick
>
> On Mon, Oct 30, 2017 at 9:13 AM, Dave Seltzer <dselt...@tveyes.com> wrote:
> >> You may have to set legacyCloud=true in your cluster properties
> >> Check your cluster properties (top level znode in ZooKeeper).
> >
> > How would I check this? Would it appear in the Solr Cloud interface, or
> do
> > I have to query Zookeeper?
> >
> >> Or, try the MIGRATESTATEFORMAT collection API on your 6x collection
> >> first. If your current installation has a single clusterstate.json
> >> that contains all of your collection information, then this would be
> >> indicated.
> >
> > There is a single /clusterstate.json but it is an empty object. Rather,
> > each collection has a state.json which seems to indicate the state of the
> > cluster.
> >
> > Does that mean I'm using the "zookeeper is the truth" system or the old
> > system?
> >
> > Thanks!
> >
> > -Dave
> >
> >
> > On Mon, Oct 30, 2017 at 11:55 AM, Erick Erickson <
> erickerick...@gmail.com>
> > wrote:
> >
> >> You may have to set legacyCloud=true in your cluster properties. In
> >> the Solr reference guide (7.0) there's a section "Changes to Default
> >> Behaviors" that'll tell you a bit about that. Check your cluster
> >> properties (top level znode in ZooKeeper).
> >>
> >> Or, try the MIGRATESTATEFORMAT collection API on your 6x collection
> >> first. If your current installation has a single clusterstate.json
> >> that contains all of your collection information, then this would be
> >> indicated.
> >>
> >> Mind you I'd experiment on a non-prod system first....
> >>
> >> Best,
> >> Erick
> >>
> >>
> >>
> >> On Mon, Oct 30, 2017 at 8:44 AM, Dave Seltzer <dselt...@tveyes.com>
> wrote:
> >> > I have a Solr collection with 1 shard and around 40 replicas hosted on
> >> Solr
> >> > 6.6.0
> >> >
> >> > I added a Solr 7.1 server to the cluster and then tried to add a
> replica
> >> > (ADDREPLICA) onto the new server but got this message:
> >> >
> >> >> Error CREATEing SolrCore 'content_collection_20171013_
> >> shard1_replica37':
> >> > non legacy mode coreNodeName missing {collection.configName=content,
> >> > shard=shard1, collection=content_collection_20171013}
> >> >
> >> > Is there something I have to do to prepare this collection for Solr
> 7.x?
> >> >
> >> > Thanks,
> >> >
> >> > -Dave
> >> >
> >> > [root@crompcoreph02 ~]# curl "http://
> >> > [solrclusterloadbalancer]/solr/admin/collections?action=
> >> ADDREPLICA&collection=content_collection_20171013&shard=
> >> shard1&node=$crompcoreph02:8983_solr"
> >> > <?xml version="1.0" encoding="UTF-8"?>
> >> > <response>
> >> > <lst name="responseHeader"><int name="status">500</int><int
> >> > name="QTime">222</int></lst><lst name="failure"><str
> >> > name="crompcoreph02:8983_solr">org.apache.solr.client.solrj.
> >> impl.HttpSolrClient$RemoteSolrException:Error
> >> > from server at http://crompcoreph02:8983/solr: Error CREATEing
> SolrCore
> >> > 'content_collection_20171013_shard1_replica37': non legacy mode
> >> > coreNodeName missing {collection.configName=content, shard=shard1,
> >> > collection=content_collection_20171013}</str></lst><str
> name="Operation
> >> > addreplica caused
> >> > exception:">org.apache.solr.common.SolrException:org.
> apache.solr.common.
> >> SolrException:
> >> > ADDREPLICA failed to create replica</str><lst name="exception"><str
> >> > name="msg">ADDREPLICA failed to create replica</str><int
> >> > name="rspCode">500</int></lst><lst name="error"><lst
> >> name="metadata"><str
> >> > name="error-class">org.apache.solr.common.SolrException</str><str
> >> > name="root-error-class">org.apache.solr.common.
> >> SolrException</str></lst><str
> >> > name="msg">ADDREPLICA failed to create replica</str><str
> >> > name="trace">org.apache.solr.common.SolrException: ADDREPLICA failed
> to
> >> > create replica
> >> > at
> >> > org.apache.solr.handler.admin.CollectionsHandler.handleResponse(
> >> CollectionsHandler.java:300)
> >> > at
> >> > org.apache.solr.handler.admin.CollectionsHandler.invokeAction(
> >> CollectionsHandler.java:237)
> >> > at
> >> > org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(
> >> CollectionsHandler.java:215)
> >> > at
> >> > org.apache.solr.handler.RequestHandlerBase.handleRequest(
> >> RequestHandlerBase.java:173)
> >> > at
> >> > org.apache.solr.servlet.HttpSolrCall.handleAdmin(
> HttpSolrCall.java:748)
> >> > at
> >> > org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(
> >> HttpSolrCall.java:729)
> >> > at org.apache.solr.servlet.HttpSolrCall.call(
> >> HttpSolrCall.java:510)
> >> > at
> >> > org.apache.solr.servlet.SolrDispatchFilter.doFilter(
> >> SolrDispatchFilter.java:361)
> >> > at
> >> > org.apache.solr.servlet.SolrDispatchFilter.doFilter(
> >> SolrDispatchFilter.java:305)
> >> > at
> >> > org.eclipse.jetty.servlet.ServletHandler$CachedChain.
> >> doFilter(ServletHandler.java:1691)
> >> > at
> >> > org.eclipse.jetty.servlet.ServletHandler.doHandle(
> >> ServletHandler.java:582)
> >> > at
> >> > org.eclipse.jetty.server.handler.ScopedHandler.handle(
> >> ScopedHandler.java:143)
> >> > at
> >> > org.eclipse.jetty.security.SecurityHandler.handle(
> >> SecurityHandler.java:548)
> >> > at
> >> > org.eclipse.jetty.server.session.SessionHandler.
> >> doHandle(SessionHandler.java:226)
> >> > at
> >> > org.eclipse.jetty.server.handler.ContextHandler.
> >> doHandle(ContextHandler.java:1180)
> >> > at
> >> > org.eclipse.jetty.servlet.ServletHandler.doScope(
> >> ServletHandler.java:512)
> >> > at
> >> > org.eclipse.jetty.server.session.SessionHandler.
> >> doScope(SessionHandler.java:185)
> >> > at
> >> > org.eclipse.jetty.server.handler.ContextHandler.
> >> doScope(ContextHandler.java:1112)
> >> > at
> >> > org.eclipse.jetty.server.handler.ScopedHandler.handle(
> >> ScopedHandler.java:141)
> >> > at
> >> > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(
> >> ContextHandlerCollection.java:213)
> >> > at
> >> > org.eclipse.jetty.server.handler.HandlerCollection.
> >> handle(HandlerCollection.java:119)
> >> > at
> >> > org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> >> HandlerWrapper.java:134)
> >> > at
> >> > org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(
> >> RewriteHandler.java:335)
> >> > at
> >> > org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> >> HandlerWrapper.java:134)
> >> > at org.eclipse.jetty.server.Server.handle(Server.java:534)
> >> > at org.eclipse.jetty.server.HttpChannel.handle(
> >> HttpChannel.java:320)
> >> > at
> >> > org.eclipse.jetty.server.HttpConnection.onFillable(
> >> HttpConnection.java:251)
> >> > at
> >> > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(
> >> AbstractConnection.java:273)
> >> > at org.eclipse.jetty.io.FillInterest.fillable(
> >> FillInterest.java:95)
> >> > at
> >> > org.eclipse.jetty.io.SelectChannelEndPoint$2.run(
> >> SelectChannelEndPoint.java:93)
> >> > at
> >> > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.
> >> executeProduceConsume(ExecuteProduceConsume.java:303)
> >> > at
> >> > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.
> >> produceConsume(ExecuteProduceConsume.java:148)
> >> > at
> >> > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(
> >> ExecuteProduceConsume.java:136)
> >> > at
> >> > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
> >> QueuedThreadPool.java:671)
> >> > at
> >> > org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(
> >> QueuedThreadPool.java:589)
> >> > at java.lang.Thread.run(Thread.java:748)
> >> > </str><int name="code">500</int></lst>
> >> > </response>
> >>
>
