NOTICE - This project has moved.
It is now part of Foursquare's open source monorepo Fsq.io and all future work will be published there.
The project lives on but this Github repo is deprecated.
Exceptionator
An exception aggregator using mongodb.
Usage
./sbt assembly
java -jar target/exceptionator-assembly-2.0-beta21.jar
The jar file will run standalone, so just copy it where ever you need it. Its recommended to customize and copy config.json to the working directory. The default mongo connection is localhost:27017/test.
Options and Defaults
Configuration is json-based. A sample config file (just fill in email.pass) is provided. The default location is:
-Dconfig=config.json
Some default values to note:
http.port: 8080
db.host: localhost:27017
db.name: test
git.repo: undefined
Git Blame Support
Prerequisites:
- Ensure that the running user has access to fetch new commits from git without entering credentials
- Supply a valid git revision as
"v": "<revision>"or as"env": { "git": "<revision>" }
To enable and configure git blame support:
- Supply a local clone of the git repository in the
git.repooption - Supply
backtrace.interesting.filter, a list of regular expressions specifying lines to include when traversing down the stack to find who to blame (match at least one) - Optionally supply
backtrace.interesting.filterNot, a list of regular expressions specifying lines to exclude when traversing down the stack to find who to blame (must match none) - Optionally supply
email.drop.excs. If a notice contains any of these exceptions, an email will not be sent.
Example Message
{
"bt": [
"com.foursquare.lib.SoftError$.error (SoftError.scala:18)",
"com.foursquare.api2.endpoints.Endpoint.handle (Endpoint.scala:45)",
"com.foursquare.api2.RestAPIV2$$anon$1$$anonfun$apply$1.apply (RestAPIV2.scala:69)",
"com.foursquare.api2.RestAPIV2$$anon$1$$anonfun$apply$1.apply (RestAPIV2.scala:65)",
"net.liftweb.http.LiftServlet$$anonfun$1$$anonfun$apply$mcZ$sp$1.apply (LiftServlet.scala:260)",
"net.liftweb.http.LiftServlet$$anonfun$1$$anonfun$apply$mcZ$sp$1.apply (LiftServlet.scala:260)",
"net.liftweb.common.Full.map (Box.scala:491)",
"net.liftweb.http.LiftServlet$$anonfun$1.apply$mcZ$sp (LiftServlet.scala:260)",
":------------------------------- SNIP -------------------------------"
],
"env": {
"cmd": "/data/loko/foursquare.web-api-jetty-r010837p1/bin/java -server -cp /data/loko/foursquare.web-api-jetty-r010837p1/webapp/ StartJetty",
"mode": "Staging",
"pid": "4165"
},
"excs": [
"com.foursquare.lib.SoftException"
],
"h": "dev-10.prod.foursquare.com",
"msgs": [
"com.foursquare.lib.SoftException: Indexing error: Query does not match an index! query: db.tiplists.find"
],
"sess": {
"domain": "general",
"url": "soft error"
},
"v": "r010837"
}
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