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Launcher Process Failure ping
=============================
This ping is generated by the Firefox launcher process when it fails to successfully start the browser, or generated by the browser process when it fails to start a sandboxed process.
Structure:
.. code-block:: js
{
type: "launcher-process-failure",
"version": 1,
"id": <UUID>,
"creationDate": <Date string in ISO format>,
"update_channel": <string>,
"build_id": <string>,
"build_version": <string>,
// Windows version number in major.minor.build.UBR format (UBR is optional, only available on Win10)
"os_version": <string>,
// True if this build was running atop a Windows Server OS
"server_os": <bool>,
// The current user's OS locale setting
"os_locale": <string>,
// CPU Architecture. One of the values from the Windows SYSTEM_INFO::wProcessorArchitecture field
"cpu_arch": <int>,
"num_logical_cpus": <int>,
// True if the process was launched with Administrator privileges
// but without User Account Control (= UAC)
"is_admin_without_uac": <bool>,
// The type of the process which failed to start as a sandboxed process.
// If the launcher process fails to launch the browser process, this property is not set.
"process_type": <string>,
"memory": {
// Free space available in the page file, in bytes
"total_phys": <int>,
// Available physical memory on the machine, in bytes
"avail_phys": <int>,
// Free space available in the page file, in bytes
"avail_page_file": <int>,
// Available virtual memory on the machine, in bytes
"avail_virt": <int>
},
"xpcom_abi": <string>,
"launcher_error": {
// The leaf name of the source file where the error was raised
"source_file": <string>,
// The line number of the source file where the error was raised
"source_line": <int>,
// The HRESULT error code of the error that was raised
"hresult": <int>,
// First sixteen bytes of a function that we failed to hook (Nightly-only).
// This field is added only on detour failures.
"detour_orig_bytes": <string>
},
"security": {
// A list of names of installed antivirus products
"av": [
<string>,
...
],
// A list of names of installed antispyware products
"antispyware": [
<string>,
...
],
// A list of names of installed firewall products
"firewall": [
<string>,
...
]
},
// A mapping of all modules present in the failing process, including
// their version numbers and an optional index into the signatures array
"modules": {
<moduleName>: [
<string>,
<int>
],
...
},
// A list of all signatures that were used to sign the binaries that are
// listed in modules.
"signatures": [
<string>,
...
]
}
Version History
~~~~~~~~~~~~~~~
- Firefox 82: Added ``detour_orig_bytes`` (`bug 1588245 <https://bugzilla.mozilla.org/show_bug.cgi?id=1588245>`_).
- Firefox 82: Added ``process_type`` (`bug 1630444 <https://bugzilla.mozilla.org/show_bug.cgi?id=1630444>`_).
- Firefox 71: Added ``is_admin_without_uac`` (`bug 1567605 <https://bugzilla.mozilla.org/show_bug.cgi?id=1567605>`_).
- Firefox 67: Initial release (`bug 1460433 <https://bugzilla.mozilla.org/show_bug.cgi?id=1460433>`_).
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