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events: show inspected error in uncaught 'error' message #25621

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addaleax commented Jan 21, 2019

If there is no handler for .emit('error', value) and value
is not an Error object, we currently just call .toString()
on it.

Almost always, using util.inspect() provides better information
for diagnostic purposes, so prefer to use that instead.

Refs: nodejs/help#1729

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • commit message follows commit guidelines
events: show inspected error in uncaught 'error' message
If there is no handler for `.emit('error', value)` and `value`
is not an `Error` object, we currently just call `.toString()`
on it.

Almost always, using `util.inspect()` provides better information
for diagnostic purposes, so prefer to use that instead.

Refs: nodejs/help#1729
@lpinca

lpinca approved these changes Jan 21, 2019

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addaleax commented Jan 22, 2019

addaleax added a commit that referenced this pull request Jan 23, 2019

events: show inspected error in uncaught 'error' message
If there is no handler for `.emit('error', value)` and `value`
is not an `Error` object, we currently just call `.toString()`
on it.

Almost always, using `util.inspect()` provides better information
for diagnostic purposes, so prefer to use that instead.

Refs: nodejs/help#1729

PR-URL: #25621
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
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addaleax commented Jan 23, 2019

Landed in eeea0dd

@addaleax addaleax closed this Jan 23, 2019

@addaleax addaleax deleted the addaleax:events-error-stringify branch Jan 23, 2019

addaleax added a commit that referenced this pull request Jan 23, 2019

events: show inspected error in uncaught 'error' message
If there is no handler for `.emit('error', value)` and `value`
is not an `Error` object, we currently just call `.toString()`
on it.

Almost always, using `util.inspect()` provides better information
for diagnostic purposes, so prefer to use that instead.

Refs: nodejs/help#1729

PR-URL: #25621
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matheus Marchini <mat@mmarchini.me>

MylesBorins added a commit that referenced this pull request Jan 24, 2019

2019-01-224, Version 11.8.0 (Current)
Notable Changes:

* events:
  * For unhandled `error` events with an argument that is not an
    `Error` object, the resulting exeption will have more information
    about the argument.
    #25621
* child_process:
  * When the `maxBuffer` option is passed, `stdout` and `stderr` will
    be truncated rather than unavailable in case of an error.
    #24951
* policy:
  * Experimental support for module integrity checks through a manifest
    file is implemented now.
    #23834
* n-api:
  * The `napi_threadsafe_function` feature is now stable.
    #25556
* report:
  * An experimental diagnostic API for capturing process state is
    available as `process.report` and through command line flags.
    #22712
* tls:
  * `tls.connect()` takes a `timeout` option analogous to the
    `net.connect()` one.
    #25517
* worker:
  * `process.umask()` is available as a read-only function inside Worker
    threads now.
    #25526
  * An `execArgv` option that supports a subset of Node.js command line
    options is supported now.
    #25467

PR-URL: Coming Soon

@MylesBorins MylesBorins referenced this pull request Jan 24, 2019

Merged

v11.8.0 proposal #25687

MylesBorins added a commit that referenced this pull request Jan 24, 2019

2019-01-224, Version 11.8.0 (Current)
Notable Changes:

* events:
  * For unhandled `error` events with an argument that is not an
    `Error` object, the resulting exeption will have more information
    about the argument.
    #25621
* child_process:
  * When the `maxBuffer` option is passed, `stdout` and `stderr` will
    be truncated rather than unavailable in case of an error.
    #24951
* policy:
  * Experimental support for module integrity checks through a manifest
    file is implemented now.
    #23834
* n-api:
  * The `napi_threadsafe_function` feature is now stable.
    #25556
* report:
  * An experimental diagnostic API for capturing process state is
    available as `process.report` and through command line flags.
    #22712
* tls:
  * `tls.connect()` takes a `timeout` option analogous to the
    `net.connect()` one.
    #25517
* worker:
  * `process.umask()` is available as a read-only function inside Worker
    threads now.
    #25526
  * An `execArgv` option that supports a subset of Node.js command line
    options is supported now.
    #25467

PR-URL: #25687

MylesBorins added a commit that referenced this pull request Jan 24, 2019

2019-01-24, Version 11.8.0 (Current)
Notable Changes:

* events:
  * For unhandled `error` events with an argument that is not an
    `Error` object, the resulting exeption will have more information
    about the argument.
    #25621
* child_process:
  * When the `maxBuffer` option is passed, `stdout` and `stderr` will
    be truncated rather than unavailable in case of an error.
    #24951
* policy:
  * Experimental support for module integrity checks through a manifest
    file is implemented now.
    #23834
* n-api:
  * The `napi_threadsafe_function` feature is now stable.
    #25556
* report:
  * An experimental diagnostic API for capturing process state is
    available as `process.report` and through command line flags.
    #22712
* tls:
  * `tls.connect()` takes a `timeout` option analogous to the
    `net.connect()` one.
    #25517
* worker:
  * `process.umask()` is available as a read-only function inside Worker
    threads now.
    #25526
  * An `execArgv` option that supports a subset of Node.js command line
    options is supported now.
    #25467

PR-URL: #25687

MylesBorins added a commit that referenced this pull request Jan 24, 2019

2019-01-24, Version 11.8.0 (Current)
Notable Changes:

* events:
  * For unhandled `error` events with an argument that is not an
    `Error` object, the resulting exeption will have more information
    about the argument.
    #25621
* child_process:
  * When the `maxBuffer` option is passed, `stdout` and `stderr` will
    be truncated rather than unavailable in case of an error.
    #24951
* policy:
  * Experimental support for module integrity checks through a manifest
    file is implemented now.
    #23834
* n-api:
  * The `napi_threadsafe_function` feature is now stable.
    #25556
* report:
  * An experimental diagnostic API for capturing process state is
    available as `process.report` and through command line flags.
    #22712
* tls:
  * `tls.connect()` takes a `timeout` option analogous to the
    `net.connect()` one.
    #25517
* worker:
  * `process.umask()` is available as a read-only function inside Worker
    threads now.
    #25526
  * An `execArgv` option that supports a subset of Node.js command line
    options is supported now.
    #25467

PR-URL: #25687

MylesBorins added a commit that referenced this pull request Jan 25, 2019

2019-01-24, Version 11.8.0 (Current)
Notable Changes:

* events:
  * For unhandled `error` events with an argument that is not an
    `Error` object, the resulting exeption will have more information
    about the argument.
    #25621
* child_process:
  * When the `maxBuffer` option is passed, `stdout` and `stderr` will
    be truncated rather than unavailable in case of an error.
    #24951
* policy:
  * Experimental support for module integrity checks through a manifest
    file is implemented now.
    #23834
* n-api:
  * The `napi_threadsafe_function` feature is now stable.
    #25556
* report:
  * An experimental diagnostic API for capturing process state is
    available as `process.report` and through command line flags.
    #22712
* tls:
  * `tls.connect()` takes a `timeout` option analogous to the
    `net.connect()` one.
    #25517
* worker:
  * `process.umask()` is available as a read-only function inside Worker
    threads now.
    #25526
  * An `execArgv` option that supports a subset of Node.js command line
    options is supported now.
    #25467

PR-URL: #25687
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