1 Timer callback failed with LCB_ERR_BUCKET_NOT_FOUND

./testrunner -i /tmp/testexec.120861.ini -p get-cbcollect-info=True,GROUP=bucket_op,skip_log_scan=False,bucket_storage=couchstore -t eventing.eventing_rebalance_collection.EventingRebalanceCollection.test_eventing_rebalance_with_multiple_kv_nodes,doc-per-day=5,dataset=default,nodes_init=5,services_init=kv-kv-kv-eventing-index:n1ql,groups=simple,reset_services=True,GROUP=bucket_op,doc-per-day=20,java_sdk_client=True

Exception: duplicated data in destination bucket which is not expected. Current : 1 Expected : 0  dcp_backlog : 0  TIMERS_IN_PAST : 0 lcb_exceptions : {'172.23.122.117': {}} 

{

        "dcp_feed_boundary": "everything",

        "event_processing_stats": {

            "adhoc_timer_response_received": 12,

            "agg_messages_sent_to_worker": 109370,

            "agg_queue_memory": 0,

            "agg_queue_memory_cap": 53477376,

            "agg_queue_size": 0,

            "agg_queue_size_cap": 100000,

            "agg_timer_feedback_queue_cap": 500,

            "dcp_deletion": 97933,

            "dcp_deletion_sent_to_worker": 41338,

            "dcp_mutation": 221975,

            "dcp_mutation_sent_to_worker": 58596,

            "dcp_snapshot": 183630,

            "dcp_stream_req_counter": 8318,

            "dcp_stream_req_err_counter": 5304,

            "dcp_streamend": 1460,

            "dcp_streamreq": 3014,

            "dcp_system_event": 10240,

            "execution_stats": 1096,

            "failure_stats": 1096,

            "latency_stats": 1096,

            "lcb_exception_stats": 1096,

            "log_level": 1,

            "num_processed_events": 99934,

            "processed_events_size": 63702196,

            "thr_count": 1,

            "thr_map": 1,

            "timer_events": 80640,

            "timer_responses_received": 80640,

            "v8_init": 1,

            "v8_load": 1

        },

        "events_remaining": {

            "dcp_backlog": 0

        },

        "execution_stats": {

            "agg_queue_memory": 0,

            "agg_queue_size": 0,

            "curl": {

                "delete": 0,

                "get": 0,

                "head": 0,

                "post": 0,

                "put": 0

            },

            "curl_success_count": 0,

            "dcp_delete_msg_counter": 41338,

            "dcp_delete_parse_failure": 0,

            "dcp_mutation_msg_counter": 58596,

            "dcp_mutation_parse_failure": 0,

            "enqueued_dcp_delete_msg_counter": 41338,

            "enqueued_dcp_mutation_msg_counter": 58596,

            "enqueued_timer_msg_counter": 0,

            "feedback_queue_size": 0,

            "filtered_dcp_delete_counter": 0,

            "filtered_dcp_mutation_counter": 19294,

            "lcb_retry_failure": 0,

            "messages_parsed": 109361,

            "num_processed_events": 99934,

            "on_delete_failure": 0,

            "on_delete_success": 40320,

            "on_update_failure": 0,

            "on_update_success": 40320,

            "processed_events_size": 63702196,

            "timer_callback_failure": 1,

            "timer_callback_success": 80639,

            "timer_cancel_counter": 0,

            "timer_create_counter": 80640,

            "timer_create_failure": 0,

            "timer_msg_counter": 80640,

            "timer_responses_sent": 0,

            "timestamp": {

                "84204": "2021-02-13T06:57:27Z"

            },

            "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_op_exception_count": 1,

            "checkpoint_failure_count": 0,

            "curl_failure_count": 0,

            "curl_max_resp_size_exceeded": 0,

            "curl_non_200_response": 0,

            "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": {

                "84204": "2021-02-13T06:57:27Z"

            },

            "v8worker_events_lost": 0

        },

        "function_id": 1452344633,

        "function_name": "timers",

        "gocb_creds_request_counter": 133,

        "internal_vb_distribution_stats": {

            "worker_timers_0": "[0-1023]"

        },

        "latency_percentile_stats": {

            "100": 511900,

            "50": 1300,

            "80": 1800,

            "90": 2400,

            "95": 3500,

            "99": 9800

        },

        "lcb_creds_request_counter": 80787,

        "lcb_exception_stats": {

            "210": 1

        },

        "metastore_stats": {

            "metastore_delete_err": 0,

            "metastore_deletes": 0,

            "metastore_not_found": 0,

            "metastore_scan": 0,

            "metastore_scan_due": 0,

            "metastore_scan_err": 0,

            "metastore_set": 0,

            "metastore_set_err": 0

        }