Eventing: Curl requests are failing with "Couldn't connect to server" error

./testrunner -i /tmp/testexec.1345.ini -p get-cbcollect-info=True -t eventing.eventing_curl.EventingCurl.test_bearer_auth,nodes_init=4,services_init=kv-eventing-index-n1ql,dataset=default,reset_services=True,skip_cleanup=True,auth_type=bearer,host=local,curl=True,bearer_key=couchbase

{

 "Function_604777109_test_bearer_auth": {

  "script": "<ud>'use strict';\nfunction OnUpdate(doc, meta) {\n    var request = {\n\tpath : 'bearer-auth'\n    };\n    try {\n    \tvar response = curl(\"GET\", server, request);\n    \tlog('response body received from server:', response.body);\n    \tlog('response headers received from server:', response.headers);\n    \tlog('response status received from server:', response.status);\n    \tvar res= new Uint8Array(response.body);\n    \tif(response.status == 200){\n    \t    dst_bucket[meta.id]=response.body;\n    \t}\n    }\n    catch (e) {\n    \tlog('error:', e);\n        }\n}\n\n\n\nfunction OnDelete(meta) {\n    var request = {\n\tpath : 'bearer-auth',\n\theaders: {\n    \"sample-header\": \"test\"\n    }\n    };\n    try {\n    \tvar response = curl(\"GET\", server, request);\n    \tlog('response body received from server:', response.body);\n    \tlog('response headers received from server:', response.headers);\n    \tlog('response status received from server:', response.status);\n    \tvar res= new Uint8Array(response.body);\n    \tif(response.status == 200){\n    \t    delete dst_bucket[meta.id];\n    \t}\n    }\n    catch (e) {\n    \tlog('error:', e);\n        }\n}\n\n</ud>",

  "lines": {

   "16": {

    "call_count": 0,

    "call_time": 0,

    "error_count": 0,

    "error_msg": "",

    "last_log": "<ud>\"error:\" {\"message\":\"Unable to perform the request: Couldn't connect to server\",\"stack\":\"Error\\n    at OnUpdate (Function_604777109_test_bearer_auth.js:7:21)\"} </ud>"

   },

   "7": {

    "call_count": 0,

    "call_time": 0,

    "error_count": 0,

    "error_msg": "",

    "last_log": "<ud>\"response body received from server:\" null </ud>"

   },

   "8": {

    "call_count": 0,

    "call_time": 0,

    "error_count": 0,

    "error_msg": "",

    "last_log": "<ud>\"response headers received from server:\" {\"connection\":\" keep-alive\\r\\n\",\"content-length\":\" 0\\r\\n\"} </ud>"

   },

   "9": {

    "call_count": 0,

    "call_time": 0,

    "error_count": 0,

    "error_msg": "",

    "last_log": "<ud>\"response status received from server:\" 404 </ud>"

   }

  }

 }

}

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        "event_processing_stats": {

            "adhoc_timer_response_received": 93,

            "agg_messages_sent_to_worker": 12439,

            "agg_queue_memory": 242229,

            "agg_queue_memory_cap": 106954752,

            "agg_queue_size": 281,

            "agg_queue_size_cap": 300000,

            "agg_timer_feedback_queue_cap": 1500,

            "dcp_mutation": 2016,

            "dcp_mutation_sent_to_worker": 2016,

            "dcp_snapshot": 877,

            "dcp_stream_req_counter": 1024,

            "dcp_streamreq": 1024,

            "execution_stats": 1875,

            "failure_stats": 1875,

            "latency_stats": 1875,

            "lcb_exception_stats": 1875,

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            "processed_events_size": 1253132,

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            "v8_load": 3

        },

        "events_remaining": {

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        },

        "execution_stats": {

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            "agg_queue_size": 281,

            "curl": {

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                "get": 1735,

                "head": 0,

                "post": 0,

                "put": 0

            },

            "curl_success_count": 1732,

            "dcp_delete_msg_counter": 0,

            "dcp_delete_parse_failure": 0,

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            "enqueued_timer_msg_counter": 0,

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            "filtered_dcp_delete_counter": 0,

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            "no_op_counter": 0,

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                "56293": "2022-01-04T07:23:53Z"

            },

            "uv_msg_parse_failure": 0,

            "uv_try_write_failure_counter": 0

        },

        "failure_stats": {

            "app_worker_setting_events_lost": 0,

            "bkt_ops_cas_mismatch_count": 0,

            "bucket_cache_overflow_count": 0,

            "bucket_op_cache_miss_count": 0,

            "bucket_op_exception_count": 0,

            "checkpoint_failure_count": 0,

            "curl_failure_count": 0,

            "curl_max_resp_size_exceeded": 0,

            "curl_non_200_response": 1732,

            "curl_timeout_count": 0,

            "dcp_events_lost": 0,

            "debugger_events_lost": 0,

            "delete_events_lost": 0,

            "mutation_events_lost": 0,

            "n1ql_op_exception_count": 0,

            "timeout_count": 0,

            "timer_callback_missing_counter": 0,

            "timer_context_size_exceeded_counter": 0,

            "timer_events_lost": 0,

            "timestamp": {

                "56273": "2022-01-04T07:23:53Z",

                "56274": "2022-01-04T07:23:53Z",

                "56293": "2022-01-04T07:23:53Z"

            },

            "v8worker_events_lost": 0

        },

        "function_id": 1672050187,

        "function_name": "Function_604777109_test_bearer_auth",

        "gocb_creds_request_counter": 1,

        "internal_vb_distribution_stats": {

            "worker_Function_604777109_test_bearer_auth_0": "[0-341]",

            "worker_Function_604777109_test_bearer_auth_1": "[342-682]",

            "worker_Function_604777109_test_bearer_auth_2": "[683-1023]"

        },

        "latency_percentile_stats": {

            "100": 4352000,

            "50": 1276700,

            "80": 2076300,

            "90": 2341400,

            "95": 3012100,

            "99": 3857900

        },

        "lcb_creds_request_counter": 3,

        "lcb_exception_stats": {},

        "metastore_stats": {},

        "planner_stats": [

            {

                "host_name": "172.23.107.247:8096",

                "start_vb": 0,

                "vb_count": 1024

            }

        ],

        "vb_distribution_stats_from_metadata": {

            "172.23.107.247:8096": {

                "worker_Function_604777109_test_bearer_auth_0": "[0-341]",

                "worker_Function_604777109_test_bearer_auth_1": "[342-682]",

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        },

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    }

]