Solr cloud replication failure

docker-compose.yml

version: '2'
services:
    zoo-1:
        image: zookeeper:3.4.13
        restart: always
        ports:
          - "2181:2181"
        environment:
            ZOO_MY_ID: 1
            ZOO_PORT: 2181
            ZOO_SERVERS: server.1=zoo-1:2888:3888

    solr-1:
        image: solr:7.5.0
        restart: always
        ports:
            - 8081:8081
        environment:
            SOLR_PORT: 8081
            ZK_HOST: zoo-1:2181
            SOLR_HOST: solr-1
        depends_on:
          - zoo-1
    solr-2:
        image: solr:7.5.0
        restart: always
        ports:
            - 8082:8082
        environment:
            SOLR_PORT: 8082
            ZK_HOST: zoo-1:2181
            SOLR_HOST: solr-2
        depends_on:
          - zoo-1

test.sh

#!/bin/bash
set -ex

# Create the collection, 1 shard, 2 replicas
curl "http://localhost:8081/solr/admin/collections?action=CREATE&name=test&replicationFactor=2&numShards=1&rule=shard:*,replica:<2,node:*"

docker stop solrcloud_simple_solr-2_1

sleep 10

# Add data
curl -X POST -H 'Content-Type: application/json' 'http://localhost:8081/solr/test/update' --data-binary '
[{"id": "0", "num": 0}, {"id": "1", "num": 1}, {"id": "2", "num": 2}, {"id": "3", "num": 3}, {"id": "4", "num": 4}, {"id": "5", "num": 5}, {"id": "6", "num": 6}, {"id": "7", "num": 7}, {"id": "8", "num": 8}, {"id": "9", "num": 9}, {"id": "10", "num": 10}, {"id": "11", "num": 11}, {"id": "12", "num": 12}, {"id": "13", "num": 13}, {"id": "14", "num": 14}, {"id": "15", "num": 15}, {"id": "16", "num": 16}, {"id": "17", "num": 17}, {"id": "18", "num": 18}, {"id": "19", "num": 19}, {"id": "20", "num": 20}, {"id": "21", "num": 21}, {"id": "22", "num": 22}, {"id": "23", "num": 23}, {"id": "24", "num": 24}, {"id": "25", "num": 25}, {"id": "26", "num": 26}, {"id": "27", "num": 27}, {"id": "28", "num": 28}, {"id": "29", "num": 29}, {"id": "30", "num": 30}, {"id": "31", "num": 31}, {"id": "32", "num": 32}, {"id": "33", "num": 33}, {"id": "34", "num": 34}, {"id": "35", "num": 35}, {"id": "36", "num": 36}, {"id": "37", "num": 37}, {"id": "38", "num": 38}, {"id": "39", "num": 39}, {"id": "40", "num": 40}, {"id": "41", "num": 41}, {"id": "42", "num": 42}, {"id": "43", "num": 43}, {"id": "44", "num": 44}, {"id": "45", "num": 45}, {"id": "46", "num": 46}, {"id": "47", "num": 47}, {"id": "48", "num": 48}, {"id": "49", "num": 49}, {"id": "50", "num": 50}, {"id": "51", "num": 51}, {"id": "52", "num": 52}, {"id": "53", "num": 53}, {"id": "54", "num": 54}, {"id": "55", "num": 55}, {"id": "56", "num": 56}, {"id": "57", "num": 57}, {"id": "58", "num": 58}, {"id": "59", "num": 59}, {"id": "60", "num": 60}, {"id": "61", "num": 61}, {"id": "62", "num": 62}, {"id": "63", "num": 63}, {"id": "64", "num": 64}, {"id": "65", "num": 65}, {"id": "66", "num": 66}, {"id": "67", "num": 67}, {"id": "68", "num": 68}, {"id": "69", "num": 69}, {"id": "70", "num": 70}, {"id": "71", "num": 71}, {"id": "72", "num": 72}, {"id": "73", "num": 73}, {"id": "74", "num": 74}, {"id": "75", "num": 75}, {"id": "76", "num": 76}, {"id": "77", "num": 77}, {"id": "78", "num": 78}, {"id": "79", "num": 79}, {"id": "80", "num": 80}, {"id": "81", "num": 81}, {"id": "82", "num": 82}, {"id": "83", "num": 83}, {"id": "84", "num": 84}, {"id": "85", "num": 85}, {"id": "86", "num": 86}, {"id": "87", "num": 87}, {"id": "88", "num": 88}, {"id": "89", "num": 89}, {"id": "90", "num": 90}, {"id": "91", "num": 91}, {"id": "92", "num": 92}, {"id": "93", "num": 93}, {"id": "94", "num": 94}, {"id": "95", "num": 95}, {"id": "96", "num": 96}, {"id": "97", "num": 97}, {"id": "98", "num": 98}, {"id": "99", "num": 99}]
'
docker start solrcloud_simple_solr-2_1

sleep 15


# Solr2 should have received the documents
curl 'http://localhost:8082/solr/test/select?q=*:*&distrib=false&rows=2'


# Update a document
curl -X POST -H 'Content-Type: application/json' 'http://localhost:8081/solr/test/update/json/docs' --data-binary '
{
  "id": "1",
  "num":10
}'
curl 'http://localhost:8081/solr/test/update?commit=true'

sleep 2

# solr2 should have the change
curl 'http://localhost:8082/solr/test/select?q=id:1&distrib=false'

# Stop solr2
docker stop solrcloud_simple_solr-2_1

curl -X POST -H 'Content-Type: application/json' 'http://localhost:8081/solr/test/update/json/docs' --data-binary '
{
  "id": "1",
  "num": 20
}'
curl 'http://localhost:8081/solr/test/update?commit=true'

docker start solrcloud_simple_solr-2_1

sleep 10

# solr2 should have the change
curl 'http://localhost:8082/solr/test/select?q=id:1&distrib=false'


# Stop solr2
docker stop solrcloud_simple_solr-2_1

curl -X POST -H 'Content-Type: application/json' 'http://localhost:8081/solr/test/update/json/docs' --data-binary '
{
  "id": "1",
  "num": 30
}'
curl 'http://localhost:8081/solr/test/update?commit=true'

docker start solrcloud_simple_solr-2_1

sleep 15

curl 'http://localhost:8081/solr/test/update?commit=true'

# solr2 should have the change
curl 'http://localhost:8082/solr/test/select?q=id:1&distrib=false'

echo "num should be [30]"