solr 7.2 - ADDREPLICA

Hi,

I created the collection as per the API below.
curl -k --user user:pass "https://localhost:8983/solr/admin/collections?action=CREATE&name=collection&maxShardsPerNode=1&numShards=8&replicationFactor=1&createNodeSet=EMPTY&collection.configName=collection"

I wanted the create the core on the node using the below API

curl -k --user user:pass "https://localhost:8983/solr/admin/collections?action=ADDREPLICA&collection=collection&shard=shard1&node=127.0.0.1:8983_solr"

The error stack is below
{
  "responseHeader":{
    "status":500,
    "QTime":189},
  "failure":{
    "127.0.0.1:8983_solr":"org.apache.solr.client.solrj.SolrServerException:IOException occured when talking to server at: https://127.0.0.1:8983/solr"},
  "Operation addreplica caused exception:":"org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: ADDREPLICA failed to create replica",
  "exception":{
    "msg":"ADDREPLICA failed to create replica",
    "rspCode":500},
  "error":{
    "metadata":[
      "error-class","org.apache.solr.common.SolrException",
      "root-error-class","org.apache.solr.common.SolrException"],
    "msg":"ADDREPLICA failed to create replica",
    "trace":"org.apache.solr.common.SolrException: ADDREPLICA failed to create replica\n\tat org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:309)\n\tat org.apache.solr.handler.admin.CollectionsHandler.invokeAction(CollectionsHandler.java:246)\n\tat org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(CollectionsHandler.java:224)\n\tat org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)\n\tat org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:735)\n\tat org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:716)\n\tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:497)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)\n\tat org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\n\tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)\n\tat org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\n\tat org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)\n\tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\n\tat org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)\n\tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\n\tat org.eclipse.jetty.server.Server.handle(Server.java:534)\n\tat org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)\n\tat org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)\n\tat org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)\n\tat org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)\n\tat org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:251)\n\tat org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)\n\tat org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)\n\tat org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)\n\tat java.lang.Thread.run(Thread.java:745)\n",
    "code":500}}