[Windows] Prepare join failed. Got HTTP status 500

./testrunner -i /tmp/testexec.8760.ini -p fts_quota=750,get-cbcollect-info=False,get-logs=False,get-coredumps=False,get-cbcollect-info=True,get-cbcollect-info=True -t fts.stable_topology_fts.StableTopFTS.create_simple_default_index,items=10000,cluster=D,F,F,default_bucket=False,standard_buckets=1,GROUP=PS,container_type=collection,java_sdk_client=True 

[2024-02-06 10:54:05,865] - [on_prem_rest_client:4325] INFO - Latest logs from UI on 172.23.137.140:

[2024-02-06 10:54:05,865] - [on_prem_rest_client:4326] ERROR - {'node': 'ns_1@172.23.137.140', 'type': 'info', 'code': 5, 'module': 'ns_cluster', 'tstamp': 1707245645819, 'shortText': 'message', 'text': 'Failed to add node 172.23.137.139:18091 to cluster. Prepare join failed. Got HTTP status 500 from REST call post to https://172.23.137.139:18091/engageCluster2. Body was: "[\\"Unexpected server error, request logged.\\"]"', 'serverTime': '2024-02-06T10:54:05.819Z'}

[2024-02-06 10:54:05,866] - [on_prem_rest_client:4326] ERROR - {'node': 'ns_1@172.23.137.140', 'type': 'info', 'code': 0, 'module': 'ns_cluster', 'tstamp': 1707245644794, 'shortText': 'message', 'text': 'Change of address to "172.23.137.140" is requested.', 'serverTime': '2024-02-06T10:54:04.794Z'}