Application error events

Exception (error) tracking captures any unhandled exceptions within the application.

All tracked events are self-describing events that follow the application_error schema.

Event: application_error

Schema for an application error

Schema URI: iglu://com.snowplowanalytics.snowplow/application_error/jsonschema/1-0-2

Web	Mobile	Tracked automatically
✅	✅	✅

👀 Example

{
  "programmingLanguage": "JAVA",
  "message": "java.lang.OutOfMemoryError error raised",
  "exceptionName": "java.lang.OutOfMemoryError",
  "isFatal": true,
  "threadName": "main",
  "threadId": 1,
  "lineNumber": 10,
  "className": "android.graphics.BitmapFactory",
  "stackTrace": "java.lang.OutOfMemoryError"
}

📃 Schema properties definition

Table

Property	Type	Description	Required?
programmingLanguage	One of: JAVA, SCALA, KOTLIN, GROOVY, RUBY, GOLANG, JAVASCRIPT, PHP, PYTHON, OBJECTIVEC, SWIFT, C, CPLUSPLUS, CSHARP, ACTIONSCRIPT, LUA, RUST, HASKELL, CLOJURE, ERLANG, ELIXIR, CRYSTAL, PONY, NIM		✅
message	"string"		✅
threadName	["string","null"]		❌
threadId	["integer","null"]		❌
stackTrace	["string","null"]		❌
causeStackTrace	["string","null"]		❌
lineNumber	["integer","null"]		❌
className	["string","null"]		❌
exceptionName	["string","null"]		❌
isFatal	["boolean","null"]		❌
lineColumn	["integer","null"]		❌
fileName	["string","null"]		❌

JSON schema

{
  "$schema": "http://iglucentral.com/schemas/com.snowplowanalytics.self-desc/schema/jsonschema/1-0-0#",
  "description": "Schema for an application error",
  "self": {
    "vendor": "com.snowplowanalytics.snowplow",
    "name": "application_error",
    "format": "jsonschema",
    "version": "1-0-2"
  },
  "type": "object",
  "properties": {
    "programmingLanguage": {
      "type": "string",
      "enum": [
        "JAVA",
        "SCALA",
        "KOTLIN",
        "GROOVY",
        "RUBY",
        "GOLANG",
        "JAVASCRIPT",
        "PHP",
        "PYTHON",
        "OBJECTIVEC",
        "SWIFT",
        "C",
        "CPLUSPLUS",
        "CSHARP",
        "ACTIONSCRIPT",
        "LUA",
        "RUST",
        "HASKELL",
        "CLOJURE",
        "ERLANG",
        "ELIXIR",
        "CRYSTAL",
        "PONY",
        "NIM"
      ]
    },
    "message": {
      "type": "string",
      "maxLength": 2048
    },
    "threadName": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 1024
    },
    "threadId": {
      "type": [
        "integer",
        "null"
      ],
      "minimum": 0,
      "maximum": 2147483647
    },
    "stackTrace": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 8192
    },
    "causeStackTrace": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 8192
    },
    "lineNumber": {
      "type": [
        "integer",
        "null"
      ],
      "minimum": 0,
      "maximum": 2147483647
    },
    "className": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 1024
    },
    "exceptionName": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 1024
    },
    "isFatal": {
      "type": [
        "boolean",
        "null"
      ]
    },
    "lineColumn": {
      "type": [
        "integer",
        "null"
      ],
      "minimum": 0,
      "maximum": 2147483647
    },
    "fileName": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 1024
    }
  },
  "required": [
    "programmingLanguage",
    "message"
  ],
  "additionalProperties": false
}

❓ How to query the event in the warehouse?

Snowflake

select
  unstruct_event_com_snowplowanalytics_snowplow_application_error_1 application_error_1
from
  atomic.events
where
  events.collector_tstamp > getdate() - interval '1 hour'
  and events.event = 'unstruct'
  and events.event_name = 'application_error'
  and events.event_vendor = 'com.snowplowanalytics.snowplow'

BigQuery

select
  unstruct_event_com_snowplowanalytics_snowplow_application_error_1_0_2
from
  PIPELINE_NAME.events events
where
  events.collector_tstamp > timestamp_sub(current_timestamp(), interval 1 hour)
  and events.event = 'unstruct'
  and events.event_name = 'application_error'
  and events.event_vendor = 'com.snowplowanalytics.snowplow'

Databricks

select
  unstruct_event_com_snowplowanalytics_snowplow_application_error_1
from
  atomic.events events
where
  events.collector_tstamp > timestampadd(HOUR, -1, current_timestamp())
  and events.event = 'unstruct'
  and events.event_name = 'application_error'
  and events.event_vendor = 'com.snowplowanalytics.snowplow'
  and unstruct_event_com_snowplowanalytics_snowplow_application_error_1 is not null

Redshift & Postgres

select
  "application_error_1".*
from
  atomic.events events
  join atomic.com_snowplowanalytics_snowplow_application_error_1 "application_error_1"
    on "application_error_1".root_id = events.event_id and "application_error_1".root_tstamp = events.collector_tstamp
where
  events.collector_tstamp > getdate() - interval '1 hour'
  and "application_error_1".root_tstamp > getdate() - interval '1 hour'
  and events.event = 'unstruct'
  and events.event_name = 'application_error'
  and events.event_vendor = 'com.snowplowanalytics.snowplow'

How to track?

Both our Web and mobile trackers provide an automatic exception tracking feature. Visit the following links to learn more about error tracking:

1. On Web, using the error tracking plugin for the JavaScript tracker
2. iOS and Android tracking documentation.