Synthetic Browser Monitor Error Codes

[xu_guo]

Error	Detail	Test fails	Error category	Notes
400	Bad Request	Yes	HTTP response code	All errors are reported in the same tab
401	Unauthorized	Yes	HTTP response code	gets reported in a same tab since APM-108556
402	Payment Required	Yes	HTTP response code
403	Forbidden	Yes	HTTP response code
404	Not Found	Yes	HTTP response code
405	Method Not Allowed	Yes	HTTP response code
406	Not Acceptable	Yes	HTTP response code
407	Proxy Authentication Required	Yes	HTTP response code
408	Request Timeout	Yes	HTTP response code
409	Conflict	Yes	HTTP response code
410	Gone	Yes	HTTP response code
411	Length Required	Yes	HTTP response code
412	Precondition Required	Yes	HTTP response code
413	Request Entry Too Large	Yes	HTTP response code
414	Request-URI Too Long	Yes	HTTP response code
415	Unsupported Media Type	Yes	HTTP response code
416	Requested Range Not Satisfiable	Yes	HTTP response code
417	Expectation Failed	Yes	HTTP response code
418	I am a Teapot	Yes	HTTP response code
419	Authentication Timeout	Yes	HTTP response code
420	Method failure	Yes	HTTP response code
421	Misdirected Request	Yes	HTTP response code
422	Unprocessable Entity	Yes	HTTP response code
423	Locked	Yes	HTTP response code
424	Failed Dependency	Yes	HTTP response code
425	Unordered Collection	Yes	HTTP response code
426	Upgrade Required	Yes	HTTP response code
428	Precondition Required	Yes	HTTP response code
429	Too many requests	Yes	HTTP response code
431	Request Header fields too large	Yes	HTTP response code
440	Login Timeout	Yes	HTTP response code
444	No Response	Yes	HTTP response code
449	Retry with	Yes	HTTP response code
450	Blocked by Windows Parental Controls	Yes	HTTP response code
451	Unavailable for Legal Reasons	Yes	HTTP response code
456	Unspecified Error	Yes	HTTP response code
457	Unspecified Error	Yes	HTTP response code
494	Request Header too large	Yes	HTTP response code
495	Cert Error	Yes	HTTP response code
496	No Cert	Yes	HTTP response code
497	Http to Https	Yes	HTTP response code
498	Token Expired Invalid	Yes	HTTP response code
499	Client Closed Request	Yes	HTTP response code
500	Internal Server Error	Yes	HTTP response code
501	Not Implemented	Yes	HTTP response code
502	Bad Gateway	Yes	HTTP response code
503	Service Unavailable	Yes	HTTP response code
504	Gateway Timeout	Yes	HTTP response code
505	HTTP Version Not Supported	Yes	HTTP response code
506	Variant also Negotiates	Yes	HTTP response code
507	Insufficient Storage	Yes	HTTP response code
508	Loop detected	Yes	HTTP response code
509	Bandwidth limit exceeded	Yes	HTTP response code
510	Not extended	Yes	HTTP response code
511	Network authentication required	Yes	HTTP response code
520	Webserver is returning an unknown error	Yes	HTTP response code
521	Web Server is down	Yes	HTTP response code
522	Connection timed out	Yes	HTTP response code
524	A timeout occurred	Yes	HTTP response code
598	Network read timeout error	Yes	HTTP response code
599	Network connect timeout error	Yes	HTTP response code
1001	unsupported script version	Yes	Script error	from recorder and in responsecode.js → moved to errorlist Triggered when the script has no version or the version is neither 1.0 nor 2.0
1002	script syntax error	Yes	Script error	from recorder and in responsecode.js → moved to errorlist It's triggered when parsing the gslScript fails
1301	Hard / Transaction Timeout	Yes	Transaction Timeout	Transaction deadline of 5 min exceeded. Can be set via test configuration but not via the UI (transactionTimeout)
1302	Step Timeout	Yes	Step Timeout	Step deadline of 60s exceeded. Can be set via test configuration but not via the UI (stepTimeout)
1304	Wait for Page Complete Timeout / Time exceeded waiting for page to load completely	Yes	Step Timeout	Error code is thrown if the step deadline is exceeded while waiting for this
1305	Wait Network Timeout / Time exceeded waiting for background network activity to complete	Yes	Step Timeout	Error code is thrown if the step deadline is exceeded while waiting for this
1306	Wait for validate Timeout	Yes	User Script Failure	Error code is thrown if the step deadline is exceeded while waiting for this
1307	Wait timeout was too short for the page to load	Yes	Step Timeout	Error code is thrown when user defined wait timeout was too short for the page to load. This should be fixed within the test. (Increasing the wait timeout or change it to another wait condition; ea. "Wait for page to load completely")
1401	Validate Text Match Failed / One or more validations created for this action have failed	Yes	Content match failed	not generic error message any more, not used as it is but rather a detailed message of which element validation is failed
1501	Clickpath action failure	Yes	User Script Failure	This is also the default error in case we can't find the corresponding error type for an error. Usually, it means there's a bug somewhere in our code.
1502	Locator failure "The html element could not be found to perform action"	Yes	User Script Failure	A special case of 1501 Clickpath action failure where the failure was caused by missing or wrong locators so mainly locator failure. The player couldn't find the element to click on but if the validation before is not set to fail then it won't be a validation timeout error. 1501 will stay the default error in case we don't want to show the details of the error to the user (as it might be an internal error/exception)
1601	JS execution took too long	Yes	JS step errors	JS execution has a shorter limit than a normal step
1602	Exception was thrown	Yes	JS step errors	An exception occurred while the custom script was executing
1603	Test marked as failed by the user	Yes	JS step errors	The user itself marked the test as failed
1701	The specified target window is not found	Yes		The target window specified in the script was not found, either it was specified by mistake by the customer or the recorder record it wrongly.
1801	Undefined placeholder was used	Yes	Script placeholders	Placeholder was used but was not defined
2001	playback window was closed	Yes	Recorder error	from recorder
2002	playback window was minimized	Yes	Recorder error	from recorder
2003	Extension is not enabled in incognito	Yes	Recorder error	from recorder (not defined in cluster), the text may change, behind a feature flag
2004	There is another incognito window open that needs to be closed first	Yes	Recorder error	from recorder (not defined in cluster), the text may change, behind a feature flag
10054	Connection Reset	Yes	Chrome net error
12000	Default network error	Yes	Chrome net error	This error is thrown when we get an unknown / new chrome network error which does not fit any other error. Since sprint 168 It will be here https://github.com/adobe/chromium/blob/master/net/base/net_error_list.h but not in our list.
12012	Address Unreachable	Yes	Chrome net error
12013	DNS Lookup Failure	Yes	Chrome net error
12014	Connection Timeout	Yes	Connection error Chrome net error	This error can be caused from 2 places, as an exception to cancel transaction when connectionTimeoutExceeded or as a chrome network error net::ERR_CONNECTION_TIMED_OUT. The first is when it takes so long to receive a response from the server. By default it's a 59 seconds unless specified otherwise in the script.
12015	Unsafe Port	Yes	Chrome net error
12016	Connection Refused	Yes	Chrome net error
12017	Too many redirects	Yes	Chrome net error	not in recorder This error is handled as netWorkError and it sets a connection error similar to 12014
12018	There is no Internet connection	Yes	Chrome net error	new in case of emulateNetworkConditions true and offline true
12019	Request was blocked by client / Malicious resource detected	Yes	Chrome net error but triggered by us	In case of coin mining url, we block the web request and report the error as it's reported by chrome.
12020	The site unexpectedly closed the connection	Yes	Chrome net error	Since sprint 142, in case a connection is closed from the server / proxy / firewall side.
12026	The site reported ERR_SPDY_INADEQUATE_TRANSPORT_SECURITY	Yes	Chrome net error	Since sprint 162
12027	The site reported ERR_EMPTY_RESPONSE	Yes	Chrome net error	Since sprint 167
12032	The site reported ERR_SSL_VERSION_INTERFERENCE	Yes	Chrome net error	Since sprint 168
12033	The site reported ERR_TIMED_OUT	Yes	Chrome net error	Since sprint 168
20000	Unspecified Event Type Error	Yes	User Script Failure	Internal error when the event we want to simulate is unspecified. Should not happen.

[AntonioSousa]

@xu_guo,

Thanks a lot! I believe these codes should also be in the documentation.

BTW, do the 97? codes also appear in synthetics?
https://www.dynatrace.com/support/help/how-to-use-dynatrace/real-user-monitoring/setup-and-configura...

[pathak_vivek]

Hi @xu_guo

Do you have any idea how to get past and fix the error 12020 - The site unexpectedly closed the connection.