Intermittent Issue: 'msg': u'gob: type not registered for interface: []interface {} - cause: gob: type not registered for interface: []interface {}

Query issued:

select name from default where any v in default.join_yr satisfies v = 2016 END AND (ANY x within default.VMs SATISFIES x.RAM between 1 and 5  END ) AND  NOT (department = 'Manager') order by name limit 10;

Result:

[

  {

    "code": 5000,

    "msg": "gob: type not registered for interface: []interface {} - cause: gob: type not registered for interface: []interface {}"

  },

  {

    "code": 5000,

    "msg": "gob: type not registered for interface: []interface {} - cause: gob: type not registered for interface: []interface {}"

  }

]

Indexes created:

Definition: CREATE PRIMARY INDEX `#primary` ON `default` WITH({"index_type" : "forestdb"})

default	127.0.0.1:8091	idxVM	Ready	100 %

Definition: CREATE INDEX `idxVM` ON `default`(`name`,(all (array (`x`.`RAM`) for `x` in `VMs` end)),`VMs`) WITH({"index_type" : "forestdb"})

default	127.0.0.1:8091	idxjoin_yr	Ready	100 %

Definition: CREATE INDEX `idxjoin_yr` ON `default`(`department`,(distinct (array `v` for `v` in `join_yr` end)),`join_yr`,`name`) WITH({"index_type" : "forestdb"})

Dataset:

1 Bucket default  with 1680 docs.

Each doc looks like:

{

  "tasks": [

    {

      "Marketing": [

        {

          "region2": "International",

          "region1": "North"

        },

        {

          "region2": "North"

        }

      ],

      "Developer": [

        "Storage",

        "IOS"

      ]

    },

    "Sales",

    "QA"

  ],

  "name": [

    {

      "FirstName": "employeefirstname-4"

    },

    {

      "MiddleName": "employeemiddlename-4"

    },

    {

      "LastName": "employeelastname-4"

    }

  ],

  "address": [

    [

      {

        "city": "Delhi"

      },

      {

        "street": "21st street"

      }

    ],

    [

      {

        "country": "EUROPE",

        "apartment": 123

      }

    ]

  ],

  "email": "4-mail@couchbase.com",

  "mutated": 0,

  "hobbies": {

    "hobby": [

      {

        "sports": [

          "American Football",

          "Cricket",

          "ski"

        ]

      },

      {

        "dance": [

          "bollywood",

          "contemporary",

          "hip hop"

        ]

      },

      "art"

    ]

  },

  "department": "Manager",

  "join_yr": [

    2011,

    2012,

    2016

  ],

  "_id": "query-testemployee10194.855617-0",

  "VMs": [

    {

      "RAM": 11,

      "os": "ubuntu",

      "name": "vm_11",

      "memory": 11

    },

    {

      "RAM": 11,

      "os": "windows",

      "name": "vm_12",

      "memory": 11

    },

    {

      "RAM": 11,

      "os": "centos",

      "name": "vm_13",

      "memory": 11

    },

    {

      "RAM": 11,

      "os": "macos",

      "name": "vm_14",

      "memory": 11

    }

  ]

}

Test which fails:

test_simple_array_index_all

Command to run the test:

 ./testrunner -i rqg1.ini -c conf/tuq/py-tuq-arrayindexing.conf -p doc-per-day=1

Uploading logs.