Question

64

Missing Catch or Finally After Try

rated 0 times [ 69] [ 5] / answers: 1 / hits: 26660 / 12 Years ago, sun, december 9, 2012, 12:00:00

I'm using Node, Express with EJS view engine, nano (for couchdb), and I'm running into this pretty puzzling error which I cold not find any Node/JS specific info about via SO or Goog. The area of my code that seems to be triggering this involves nested async callbacks which grab a document from CouchDB, look through it for some matches, and push an object to an array in my private scope.

And the error:

Express

500 SyntaxError: Missing catch or finally after try

at Object.Function (unknown source)

at exports.compile (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/ejs/lib/ejs.js:234:12)

at Object.exports.render (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/ejs/lib/ejs.js:273:10)

at View.exports.renderFile [as engine] (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/ejs/lib/ejs.js:303:22)

at View.render (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/express/lib/view.js:75:8)

at Function.app.render (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/express/lib/application.js:501:10)

at ServerResponse.res.render (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/express/lib/response.js:719:7)

at exports.dashboard.res.render.msg (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/routes/index.js:19:29)

at module.exports.read (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/api/Character.js:56:25)

at Request._callback (/Users/Keith/Desktop/netPoetica/1- Projects/dcc-chargen/node_modules/nano/nano.js:296:11)

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helenat

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4 Years ago

answered 12 Years ago berenices · Accepted Answer

The error was a missing bracket on an if statement in my EJS template. As that trace shows, it was in the exports.compile function (which is called by res.render()) that this error occurs) - the lib author uses a string to create a new function, which encloses my EJS file functionality in a try block, which becomes a dangling try because my missing opening bracket in my if block caused a syntax error in the new anonymous function created as a string and built with new Function('str').

@T.J.Crowder pointed out, that stack trace is perfectly clear, and did ultimately lead to this solution. I removed some of my example code because it definitely wasn't linked to the ultimate problem.