Issue In the following code, the error is at line 7. However, log displays error at line 10, where logging is mentioned. import logging import urllib2 logging.basicConfig(filename=’example.log’,level=logging.DEBUG,format=’%(levelname) -10s %(asctime)s %(module)s:%(lineno)s %(funcName)s %(message)s’) def main(): try: urls = “http://www.simplyhired.com/a/job-detaw/jobkey-67b4efe169eee7b2cf2ed47d49b1845070ea37/rid-racliggzfyjgqwfzrlvnqyjtcserhrri/cjp-3/pub_id-1002” site =
Continue readingTag: logging
how to create a new log file every time when the application starts using lo4net
Issue how to create a new log file every time when the application starts using lo4net. or I wanted to clear the log file each time. RollingFileAdapter doesn’t give me any solution. see my code: <appender name=”RollingFileAppender” type=”log4net.Appender.RollingFileAppender”> <param name=”File”
Continue readinglog4Net RollingFileAppender Does Not "Roll"
Issue I am using log4Net to capture transaction data from an application, to help with debugging issues/errors basically. Lately, it hasn’t been creating new files after the file size hits 10MB, it just stops recording data. I looked online and
Continue readingLogback SMTPAppender not working with gmail configuration
Issue I am trying to setup my logger instances to send mails whenever an error log is generated by the application. I thought of using gmail for this purpose. My logger.xml is as below: <configuration> <appender name=”FILE” class=”ch.qos.logback.core.rolling.RollingFileAppender”> <file>/path-to-application/application.log</file> <rollingPolicy
Continue readingShould I log messages to stderr or stdout?
Issue I have a program I’m writing that I want to write a custom logging facility for (e.g. diagnostic, notice, warning, error). Should I be using the stdout or the stderr stream to do this? It is an interpreter of
Continue readingSeparating Logging Code from C# Objects
Issue Currently I have a custom built static logging class in C# that can be called with the following code: EventLogger.Log(EventLogger.EventType.Application, string.Format(“AddData request from {0}”, ipAddress)); When this is called it simply writes to a defined log file specified in
Continue readingWhy would one use ELMAH if the application is using NLog
Issue I have to write a centralized logging framework. Basic requirements are: Log exceptions as well as other details if needed to SQL Server DB. If DB is down i.e. a failover option is to log to a file and
Continue readingIs it possible to use Django's SafeExceptionReporterFilter with something else than the AdminEmailHandler?
Issue I’m trying to filter out sensitive informations using Django’s @sensitive_post_parameters. I thought prepending these annotations over a the few specific fonctions would be enough, but it doesn’t work. I’ve set breakpoint inside SafeExceptionReporterFilter and it only breaks when being
Continue readingSails.js 0.10.x: Log to file
Issue I want to use the built in Sails.js logger and log everything to a file. The “filePath” variable used to work in 0.9.x in config/log.js, but it no longer appears to work in 0.10.x. Has this feature been removed
Continue readingHow to turn ON and OFF logging for specific levels in NLog
Issue I am using NLog in my application. I want to create a switch in order to turn ON and OFF specific logger levels. <rules> <logger name=”*” minlevel=”Debug” writeTo=”f” /> <logger levels=”Error,Warn,Fatal,Debug,Info” name=”CustomLogger” writeTo=”database”/> </rules> How can I turn off
Continue readingUse Rack::CommonLogger in Sinatra
Issue I have a small web-server that I wrote with Sinatra. I want to be able to log messages to a log file. I’ve read through http://www.sinatrarb.com/api/index.html and www.sinatrarb.com/intro.html, and I see that Rack has something called Rack::CommonLogger, but I
Continue readingHow can be logging done for a NodeJS application?
Issue I want to implement logging for my angularjs application with warn info and error modes. Solution using winston module https://github.com/winstonjs/winston var winston = require(‘winston’); require(‘winston-daily-rotate-file’); winston.setLevels({ debug: 0, info: 1, silly: 2, warn: 3, error: 4, }); var fs
Continue readingHow to do logging in my app using symfony's Depenency Injection module?
Issue I’ve read the current docs on Symfony integration with Monolog, but all it says is to run: composer require logger which throws an error “package not found”. (https://symfony.com/doc/current/logging.html#installation) I’m using these components: “require”: { “symfony/dependency-injection”: “~3.0”, “symfony/yaml”: “~3.0”, “symfony/config”:
Continue readingDjango rest framework logging different levels on different files
Issue I am working on Django REST framework and I want to have separate files for logging data. I want to have a file for the simple transactions e.g. GET, PUT, POST etc. and one file with the errors that
Continue readingPython Logging – How to inherit root logger level & handler
Issue I am a python newbie, trying to implement logging into my code. I have two modules main.py submodule.py main.py import logging from logging.handlers import RotatingFileHandler import submodule import logging from logging.handlers import RotatingFileHandler logger = logging.getLogger(__name__) logger.setLevel(logging.DEBUG) fh =
Continue readingpython 3.6 *logging modul error* UnicodeEncodeError: 'charmap' codec can't encode characters
Issue On Windows 10 the logging module send this error (using scrapy) # — Logging error — … # UnicodeEncodeError: ‘charmap’ codec can’t encode characters in position 175-176: character maps to <undefined> I have read that I should add encoding=’utf-8′
Continue readingUsing AWS for application logging database
Issue I’m currently working on a large web application that produces a large amount of log data. Because we don’t have the infrastructure to log all the events to a database, we are writing them to file. Unfortunately, this makes
Continue readingRsyslog segregate logs for wildcard files
Issue I have a central server to log my different application logs, i forward the logs using rsyslog’s(8.36) wildcard(/var/log/sample/*.log), i’d like to segregate the logs on my central server based upon the filename being monitored, how do i go about
Continue readingPython Try-Except: How to variabilize Logging.info?
Issue This would be the funniest thing you see all day. But here it is. How do I turn my printed-out exception message into a variable, so I can globalize and update them into my database? Here is the analogy:
Continue readingLogging NodeJS application in production
Issue I am a beginner to Node. Would anyone tell how to handle errors in NodeJS? Also how to define node server to write its logs to a default file instead writing to console. Solution Winston is a good npm
Continue readingSend PHP errors to default error log plus user-defined error log
Issue I may just be having trouble with the error-handling documentation, but what I have in mind is a few different scenarios: When PHP throws a typical error, I want to keep the default error logging i place but also
Continue readingError log on laravel 5 with the url where error occured
Issue I want to append to each error log, the url of the page the user requested before the error occured. The logs already give me where the error occurs, but it’s valuable for me know the url. I saw
Continue readingHow to handle logging of HttpClient requests?
Issue I’m using Angular and rxjs 5.x.x . For each http request I must log the response in a centralized place -either if success or fail. The problem which i’m facing is in a cituation where a catch clause is
Continue readingWeblogic : Log errors in a specific log file for a managed server
Issue For a given managed server (not a whole weblogic server), I need to copy / reroute all WARNING, ERROR, INCIDENT_ERROR level messages to a log file (that has to have rotation settings). Let’s say “server1.err.log”. The rest of the
Continue readingLogging in Angular2
Issue Is there any framework for logging actions in Angular2. I would like to have debug, error, info logs. Previously I used NLog framework but it doesn’t support Angular 2. Thanks for any help. Solution There’s something here that may
Continue readingHow to aggregate logs from several Jenkins Jobs\Pipelines in one place?
Issue Our project is responsible for migrating data from one system to another. We are going to run transformation, validation and migration scripts using Jenkins. It’s unclear for me how to aggregate logs from several Jobs or Pipelines in Jenkins.
Continue readingWhere is from "ERROR: Spider error processing <GET…" in scrapy?
Issue I am reading a log from a previous spider’s launching. I am curious to know where is from this exception and how I can act on it: 2019-04-12 22:00:55 [scrapy.core.scraper] ERROR: Spider error processing <GET https://www.website.com/next_page> (referer: https://www.website.com/prev_page) Traceback
Continue readingLogging with two handlers – one to file and one to stderr
Issue I have the following code to create two logging handlers. The goal is to have the stream_handler write only to the sterr and the file_handler only to file. In the code below, stream_handler writes to the file as well,
Continue readingerror logging in c – linux environment
Issue I have been reading about how to keep error/warning logs of a C program on Linux environment. Is it better to write the errno to a file as it is done here or is it better to use syslog
Continue readinglogger.debug is not a function while using log4js
Issue I am using log4js for capturing the logs in node js. My node version is v10.16.3. When i run the code i am getting the error as logger.debug is not a function. Is there any node version compatibility? because
Continue readingDjango logging – logging on ValidationError not working
Issue So I want to be able to track any ValidationErrors being raised by the def clean method on a certain form. I have the a form called AdForm, the validation on the form does work, I can see the
Continue readingLog4Net: Writing a C# object (apart from Exception) to the log?
Issue I have seen in Log4Net you can write a message and pass as the second parameter the Exception Object. Is it possible to send another type of object to log4net so I can see the values in my log
Continue readingIntegrate elastic search with Logrus (golang logging)
Issue I am using logrus to do all the logging my golang application. However, I also want to integrate this with Elastic Search such that all the logs are also flushed to elastic search when I create a logrus log
Continue readingPython logging won't set a logging level using basicConfig
Issue For some reason, logging.basicConfig is ignoring the logger level that I’m giving it. The following code is in a script of mine: # main.py print logging.getLogger().getEffectiveLevel() print logger_level logging.basicConfig(format=logger_format, level=logger_level, ) print logging.getLogger().getEffectiveLevel() The output is: 30 10 30
Continue readingHow Can I Keep 14 Days of Logs using Logrotate?
Issue I want to change my logrotate.conf file to compress and save the last 14 days worth of system log files. Will these setting work if placed in my configuration file? rotate 14 compress extension log create 640 www-data users
Continue readingJMeter won't write response data
Issue I’m running tests with JMeter (master+10 slaves) on elasticasearch. I’m getting error 400 for some requests but they are a bit elusive: When I run the requests manually with curl or pasting them on kibana’s console, I don’t get
Continue readingNLog seems to be writing incorrect value in database
Issue I’m using NLog for logging into database. It seems to me its misplacing value in columns. For instance, it writes StackTrace in Message column and Exception information in StackTrace column Configuration: <nlog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" throwConfigExceptions="true" throwExceptions="true"> <targets> <target name="database" type="Database"
Continue readingSet logging level in glog package
Issue How can I set logging level for golang glog package to ERROR. example.go: package main import ( "github.com/golang/glog" "flag" ) func main() { flag.Parse() glog.Info("Info level") glog.Error("Error level") glog.Flush() } $ go run example.go -logtostderr=true -stderrthreshold=ERROR I1214 15:46:00.743002 13429
Continue readingslf4j logging – difference between the two error logging methods (with and w/o Throwable)
Issue I am using slf4j 1.7.x for logging in our Java project. The Logger interface has multiple methods to log at ERROR level such as these two: void error(String msg, Throwable t) void error(String format, Object… arguments) My question is,
Continue readingHow to log Django warnings and errors to log file in Production?
Issue What I want to achieve is that warning and errors that happen in production (i.e. DEBUG=False) are logged into to a rotating log file. I tried this LOGGING = { ‘version’: 1, ‘disable_existing_loggers’: True, ‘handlers’: { ‘file’: { ‘level’:
Continue readingIs it possible to specify custom error log format on Nginx?
Issue I can specify custom log format for access_log on Nginx, but it doesn’t work for error_log. Is there anyway to achieve this? Solution You can’t specify your own format, but in nginx build-in several level’s of error_log-ing. Syntax: error_log
Continue readingSetting "error_log" location is not taken into account
Issue A similar question has been asked already at PHP's configuration setting 'error_log' is not working, but that’s not my problem. My phpinfo(); shows Directive Local Value Master Value error_log /var/opt/remi/php74/log/php-fpm/www-error.log /var/opt/remi/php74/log/php-fpm/www-error.log max_execution_time 456 456 I try to change location
Continue readingHow to change the format of logged messages temporarily, in Python?
Issue What is the simplest method for temporarily changing the logging message format, in Python (through the logging module)? The goal is to have some standard message format, while being able to temporarily add information about some file being read
Continue readingApache / PHP error_log location in Docker
Issue My PHP script has an error. For example, this shows this on the screen: Warning: require(/var/www/foo.php): failed to open stream: Where can I find this in the logs? I tried docker logs containerName, but it only shows access logs.
Continue readingINFO output despite "SET client_min_messages TO WARNING" just before
Issue postgresql-9.0.15 on CentOS 6.5. I have a plperlu function that outputs an INFO message. I want to suppress it during testing (using psql, which also behaves as below), but I can’t even seem to do it from a pgAdminIII
Continue readingRecommended error monitoring / exception logging platforms or solutions
Issue I’m working with a group of students on a web application built with ASP.NET Core and Angular. The project is going in production in the near future, but before we go live we want a error monitoring / exception
Continue readingPsychoPy: Runtime error while logging a message ("TypeError: '<' not supported between instances of 'str' and 'int'")
Issue I get a syntax error in PsychoPy’s PTB logging code. My code: from psychopy import logging log = logging.LogFile("WS_Dev.log", level = logging.DEBUG, filemode = "w") logging.log(logging.DEBUG, "in getArguments()") and the error message: File "./myProject.py", line 119, in getArguments logging.log(logging.DEBUG,
Continue readingLogging in Python console and in log file
Issue I’m using the logging library and would like to log on to the console and store those logs in a file. logger = logging.getLogger(module) handler = logging.StreamHandler() formatter = logging.Formatter( ‘%(asctime)s [%(name)s] %(levelname)-8s %(message)s’) handler.setFormatter(formatter) logger.addHandler(handler) logger.setLevel(logging.DEBUG) filehandler=logging.FileHandler(‘logfile.log’) logger.addHandler(filehandler)
Continue readingHow to log all exceptions in python 3
Issue There are a lot of exception I don’t want to catch, I want them to stop processing, but, I still want the stack trace in the log file. Is there a way to setup a logger so that it
Continue readingSuppress multiple messages with same content in Python logging module AKA log compression
Issue By design, my application sometimes produces repeating errors which fill up the log file and make it annoying to read. It looks like that: WARNING:__main__:CRON10: clock unset or no wind update received in 60 sec -> supressed rrd update
Continue readingMaking Python loggers output all messages to stdout in addition to log file
Issue Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I’d like all calls to logger.warning, logger.critical, logger.error
Continue readingHow to log outputs and errors to file without knowing where errors will occur
Issue I have a long script which I run on a remote server and I want to log all outputs as well as error messages to a file. I know how to log all terminal outputs (e.g. print()) to a
Continue readingHow to log outputs and errors to file without knowing where errors will occur
Issue I have a long script which I run on a remote server and I want to log all outputs as well as error messages to a file. I know how to log all terminal outputs (e.g. print()) to a
Continue readingUsing logging basicConfig with multiple handlers
Issue I’m trying to understand the behaviour of the logging module when using basicConfig with multiple handlers. My aim is to have warning level on syslog messages, and debug level to a log file. This is my setup: import logging
Continue readingShipping logs to Logz.io with NLog fails
Issue I’m just trying to ship some error logs from my ASP.NET MVC 5 app to Logz.io I’m using NLog to ship my logs. I’ve installed NLog and NLog.Web packages I have the following nlog.config file : <?xml version=”1.0″ encoding=”utf-8″
Continue readingstrongloop loopback custom error handling
Issue I am currently using loopback 3.2.1 The issue I am facing is unhandled error getting logged in the log files when access token expires. Doing google searches I came across this Unhandled error Here it is mentioned that we
Continue readingLogging format interpolation with multiple arguments
Issue pylint produces the following warning: logging-format-interpolation (W1202): Use % formatting in logging functions and pass the % parameters as arguments Used when a logging statement has a call form of “logging.(format_string.format(format_args…))”. Such calls should use % formatting instead, but
Continue readingC# Serilog: how to log with String interpolation and keep argument names in message templates?
Issue How to replace this code: string name = “John”; logger.Information(“length of name ‘{name}’ is {nameLength}”, name, name.Length); with C# String interpolation like this or similar string name = “John”; // 🙁 lost benefit of structured logging: property names not
Continue readingEnding syntax region at the start of a given pattern
Issue This is a follow-up from: VIM: simple steps to create syntax highlight file – for logfiles I am trying to use the ‘region-match’ facility to syntax-highlight stack-traces in some logfiles: these logfiles (log4j-based) look a bit like this: YYYY-MM-DD
Continue readingOverriding MinimumLevel doesn't work in Serilog
Issue Trying to set minimum log level for Serilog 2.8.0 (in .NET 4.6.2). Logging is working fine, but not the Override feature. Here is my Program.cs: using System; using LogTest1.Classes; using Microsoft.Extensions.Configuration; using Serilog; using SomeLib; namespace LogTest { internal
Continue readingIs it a good idea to save user IP for a day to prevent multiple submissions?
Issue I am creating a rate/review website similar to ratemyprofessors.com which allows you to submit ratings without logging in. Does anyone know what kind of spam prevention techniques they use in order to prevent a user from submitting multiple ratings
Continue readingWebClient – how to get request body?
Issue I’ve started using WebClient and I’m adding logging of request/response using filter method: WebClient.builder() .baseUrl(properties.getEndpoint()) .filter((request, next) -> { // logging request.body() }) .build(); I’m able to access url, http method, headers but I’ve a problem with getting raw
Continue readingConverting tomcat logs to CSV using sed
Issue I have some application log data on a Linux server, which looks like this: Jan 11 14:24:42 AttackSimulator.abcd [1587566256,49294,"ryan.wright@abcd.com",3237159933,1,0,0,3,"2314","https",443,2899903330,"https://googleads.g.doubleclick.net/pagead/ads",0,"","","","","1 – Default Policy","","googleads.g.doubleclick.net","GET",4,0,5] Jan 11 14:24:42 AttackSimulator.abcd [1587566256,49294,"melisa.zeunert@abcd.com",3237159933,1,0,0,3,"2339,37788","http",80,387803624,"http://ping.citrix.com",0,"","","","","3 – Extended Policy High","","ping.citrix.com","HEAD",3,0,4] I want to output this in a CSV
Continue readingProblems with variables when trying to log output
Issue I’m currently working on a batch file, which runs several commands, reads values from text files, etc. The problem I’m facing is that I cannot set variables properly. The following code snippet demonstrates my problem: >> %userprofile%\AppData\Local\Temp\test.log 2>&1 (
Continue readingLocal Varnish IP getting appended to real IP in nginx access logs
Issue I’m using Varnish + nginx on a web server and I’m trying to get the real IP of users going to my site in the access.log, I was able to get it to work but for some reason my
Continue readingNginx – Hide/mask/change value in logs based on Regex match
Issue MY API requires that an email address is used in the path of a request as the identifier of the resource, for example: /api/users/john.smith@company.com Due to concerns with Personally Identifiable Information (PII) being stored in the logs, I’m looking
Continue readingWinston is not writing logs to files
Issue I made two transports for errors and warnings in Winston that supposedly writes to files. The existing transport for console logging works fine, and I did check pm2 logs and saw the logs, but the transports for files are
Continue readingNest can't resolve dependencies LogService (?, LogFormatProvider). Please argument String at index [0] is available in the AppModule context
Issue My app.module.ts file looks like this: import { Module, HttpModule } from ‘@nestjs/common’; import { AppController } from ‘./app.controller’; import { AppService } from ‘./app.service’; import { GraphQLModule } from ‘@nestjs/graphql’; import { ApolloDriver, ApolloDriverConfig } from ‘@nestjs/apollo’; import
Continue readingTypeScript expression is not callable when trying to disable console methods
Issue I want to quickly disable all console.[log, time, error] messages in my code. I am aware of what has been asked before for javascript. But Typescript is complaining of my "solution" bellow: const konsole = { log:()=>{}, time:()=>{}, timeEnd:()=>{},
Continue readingNest can't resolve dependencies LogService (?, LogFormatProvider). Please argument String at index [0] is available in the AppModule context
Issue My app.module.ts file looks like this: import { Module, HttpModule } from ‘@nestjs/common’; import { AppController } from ‘./app.controller’; import { AppService } from ‘./app.service’; import { GraphQLModule } from ‘@nestjs/graphql’; import { ApolloDriver, ApolloDriverConfig } from ‘@nestjs/apollo’; import
Continue readingTypeScript expression is not callable when trying to disable console methods
Issue I want to quickly disable all console.[log, time, error] messages in my code. I am aware of what has been asked before for javascript. But Typescript is complaining of my "solution" bellow: const konsole = { log:()=>{}, time:()=>{}, timeEnd:()=>{},
Continue readingWinston log level filter
Issue Here’s the complete code – sorry that there’s so much of it … I am trying to use multiple transports. I also want to be able to log only one or more specific level(s) on a transport, where Winston
Continue readingGetting TimeZone code from TZDATA in nodejs
Issue I am creating logger.js to make some clean logs. However I’m struggling to get the time zone in the expected format. I have it format Continent/Zone from process.env.TZ(Unix TZDATA) but would like it in format 000x This is what
Continue readingRendering terminal output in the browser
Issue I have a file with a bunch of terminal logs captured with the screen utility. Here’s a snippet: [A[0m[27m[24m[J[34m~[39m (base) [38;5;242mbase[39m [35m❯[39m ]133;B[K[?1l>[?2004l [A[0m[27m[24m[J[34m~[39m etc etc etc. The output is full of ANSI escape codes, \r, \n, etc. Yet
Continue readingHow to log – the 12 factor application way
Issue I want to know the best practice behind logging my node application. I was reading the 12 factor app guidelines at https://12factor.net/logs and it states that logs should always be sent to the stdout. Cool, but then how would
Continue readingHow to log – the 12 factor application way
Issue I want to know the best practice behind logging my node application. I was reading the 12 factor app guidelines at https://12factor.net/logs and it states that logs should always be sent to the stdout. Cool, but then how would
Continue readingConfigure Node.js to log to a file instead of the console
Issue Can I configure console.log so that the logs are written on a file instead of being printed in the console? Solution Update 2013 – This was written around Node v0.2 and v0.4; There are much better utilites now around
Continue readingConfigure Node.js to log to a file instead of the console
Issue Can I configure console.log so that the logs are written on a file instead of being printed in the console? Solution Update 2013 – This was written around Node v0.2 and v0.4; There are much better utilites now around
Continue readingUbuntu where to see console.logs
Issue So I am putting my app on a server and I want to see some console logs generated from my nodejs app. Before putting it on the server I saw the output of my console log on my terminal,
Continue readingLogging everything – Javascript
Issue I have lots of microservices which I want to log. My goal is creating a npm package that will be installed in each of the services. What I aim for is easy integration for example: const myLogger = require(‘mylogger’)
Continue readinglogging with morgan only shows 127.0.0.1 for :remote-addr in nodejs
Issue i have a nodejs/express application and am logging with morgan: var morgan = require (“morgan”); var app = express(); app.use(morgan(‘:date[iso] :remote-addr :method :url :status :res[content-length] – :response-time ms’)); but in my logfiles (redirected from ‘npm start’) i find lines
Continue readingLog User Input(Online)
Issue I want to log users input by using a technology the most suitable & easy. How can I do it? I will not log another thing, only name & surname when user click submit. console.log(); This does not work
Continue readingView logs of firebase functions in real time
Issue I’m using the firebase functions and it’s the first time I use node. My question is very simple, or so I think. I create a simple function, where, theoretically, if a new field is added to the database, this
Continue readingWhat's the best practice for expressjs logging?
Issue I am building an application based on expressjs and I’d like to log all events in it. I could find winston, which seems to be cool. Anyway, I am looking for a way how to connect it to my
Continue reading