grep exception log file

Log file Recordspublic static void Writemsg (string logName, String msg){Try{String path = Path.Combine ("./log");if (! Directory.Exists (path)//Determine if there is a fileDirectory.CreateDirectory (path);String logfilename = path + "\ \" + DateTime.Now.ToString ("yyyy-mm-dd") + ". Log";//Generate

# Specify level of log output, Destination: console, file # log output priority by root element: Debug # Specifies the format of the log output: Flexible format log4j.appender.console.layout=org.apache.log4j.patternlayout # Concrete format content%d: Date %p: Time %c: Priority %M: Method %m%n: Printed informa

by line until NULL is read to indicate the end of the read filewhile ((string = Reader.readline ()) = null) {System.out.println (string);}Reader.close ();} catch (IOException e) {E.printstacktrace ();} finally {if (reader! = null) {try {Reader.close ();} catch (IOException E1) {}}}}public static void Main (final string[] args) throws Exception {String name = "E:/automation/branches/uv/home_fang_com-zhuangxiu2.txt";Long size = 1024x768 * 1024x768 * 20

Log4j.properties:# define the DEBUG priority, R for the purpose of the log outputLog4j.rootlogger= DEBUG, R# Set the log output type to file typeLog4j.appender.r= Org.apache.log4j.FileAppender# Set the location of the log filesLog4j.appender.r.file=. /visitemanage/logs/logrecord.log# each time a new

Label:Reference articles Experiment: 1. View current EMCTL status Dbconsole to Runing state 2. Close Emctl Stop Dbconsole 3. Delete the Emdb.nohup file in the/u01/app/oracle/product/11.2.0/db_1/gtone.localdomain_cqrcb/sysman/log directory 4. Restart Emctl start Dbconsole 5. View auto-generated emdb.nohup file Demonstrating the relativity between Emdb.nohup

In Linux, when the middleware log file is deleted, df shows that the disk space is still not released. When the disk size exceeds the standard, an alarm is triggered. In this case, it is wise to master the df and du commands. Df allows you to view the size, usage ratio, file system, and its mount point of a level-1 folder, but there is nothing to do with files. D

The linux Command counts the number of times the IP address of the log file appears. One interview question: How many times does the log file IP value count? The first six most frequently displayedSolution: Grep-I-o-E "([0-9] {1, 3 }\.) {3} [0-9] {1, 3} "test1.txt | so

?? ? 172.16.8.11[[email protected] logs]# grep-i-o-e-r-e "([0-9]{1,3}.) {3} [0-9] {1,3} "Localhost_access_log.2018-09-19.txt | Sort-n | uniq-c | Sort-n? ? ? 2 127.0.0.1???? 24 172.16.8.1???? 26 172.16.8.11[[email protected] logs]# awk ' {print $} ' localhost_access_log.2018-09-19.txt | Grep-e "([0-9]{1,3}.) {3} [0-9] {1,3} "| Sort | uniq-c | Sort-g? ? ? 2 127.0.0.1???? 24 172.16.8.1???? 26 172.16.8.11Python

number of words.These options can be used in combination.The order and number of output columns are not affected by the order and number of options.Always appear in the following order and at most one column per item.Number of rows, words, bytes, filenamesIf there is no file name in the command line, the file name does not appear in the output.For example:$ WC-LCW file1 file24 file17 File2TotalExample Anal

More common analysis information(Prepared by qingapple studio)This section discusses the different outputs that you may see in log files, how they will help you debug applications, and how to make them more effective.When you look at the raw logs generated by the IIS debugger, you will notice that there are many lines before you reach the access conflict in the log. This is because the debugger obtains and

1. Download or install log4net in NuGet2. Web. config (app. config)For a log file every day. To do this configuration (the file node type is patternstring):3. Apply the configuration. In Application_Start (for Web Apps), configure ():Log4net. Config.XmlConfigurator.Configure ();4. Do a simple wrapper to use:public static class Edaslogger { private stati

Label:In the current program, there are many places try Catch, program run exception, error and not be perceived, next to this issue to adjust, the principle is that any exception can be perceived, record and then be optimized processing; Serious error exception, must be able to notify the developer at the first time. Scheme:log4j Upgrade to Log4j2For different

. Ifyoutriedtoaddnewdatafilestothesystem Tablespace,anditfailedhere,youshouldnoweditinnodb_data_ File_pathinmy.cnfbacktowhatitwas,andremovethe newibdatafilesInnoDBcreatedinthisfailedattempt. Innodbonlywrotethosefilesfullofzeros,butdidnot yetusetheminanyway.butbecareful:donotremoveold datafileswhichcontainyourpreciousdata!2015-08-0615:05:371920 [ERROR]Plugin ' InnoDB ' initfunctionreturnederror.2015-08-06 15:05:371920[error]plugin ' InnoDB ' registrationasaSTORAGE enginefailed.2015-08-0615:05:371

Log4j-1.2.16.ja environment: myeclipse10 + log4j1.2.16 + jdk1.6 1. Create a Java project named log4jtest. 2. SetLog4j-1.2.16.jar copy to project root directory, right-click Project, properties, Java build path, add jars, selectLog4j-1.2.16.jar 3. InSource codeDirectory to create an XML file: log4j. xml. The configuration starts. The content is as follows: XML version = "1.0" encoding = "UTF-8" ?> Doctype log4j: Configuration Sys

Windows server has the ability to log records of events that include the following information in its IIS log file: Who visited your site, what visitors viewed, and so on. By periodically checking these log files, site administrators can detect which areas of the server or site are vulnerable or have other security imp

exception occurs when the bean is injected into the root directory value. WebapprootlistenerContextloaderlistener4, if you configure theLog4j.appender.file.file=${web.sample.root}web-inf/logs/sample.logLOG4J will automatically build the logs directory itself, without the need to manually explicitly create an empty logs directoryWhen deploying two or more projects under Tomcat, it is best to define the Webapprootkey parameter in the Web. xml

() logger.info ( " Hello " ) Main. py ImportSysImportTnlogClassX:DefTest (Self): Logger=Tnlog. Logger () logger.info ("Hello")If _ Name __="_ Main __": X=X () X. Test () In addition, the library that can read the stack producer structure in python isTracebackModule. However, to use this module, you must first trigger an exception. Zhenzhai beasts 14:48:47How can I know the called function? Who calls me (call my function, its mo

In order to run the program on the server in a timely manner to track the error, you can add the program to write the log where necessary.stringfolder =string. Format (@"D:\\{0}\\{1}", DateTime.Now.ToString ("yyyy"), DateTime.Now.ToString ("MM")); //determine if a folder exists if(!directory.exists (folder)) {directory.createdirectory (folder); } Try{File.writealltext (string. Format ("{0}\\{1}.txt", folder, DateTime.N

Find files ending in. txt in the/apps/tomcat/tomcat3/apache-tomcat-7.0.69/logs directory, search for the keyword ifcmpecrservice in the file and print the line numberFind /apps/tomcat/tomcat3/apache-tomcat-7.0. the ' *.txt '| Xargs grep " Ifcmpecrservice "The result is as follows, the first column is the second column of the file is the line numberYou can view t

Store the local linux log File on a server-Linux Enterprise Application-Linux server application information. The following is a detailed description. Server (IP: 192.168.0.111: #1. first obtain the port number information! [Root @ linux ~] # Grep 514/etc/services Syslogs 514/udp # Note that this line must exist in your/etc/services. # If this line