grep exception log file

Because the project needs to track the system information according to the log, easy to view the transmission data as well as the exception information, therefore intends to use the log4j to complete this log management function. Unfortunately, in the use of the log4j found in the printing of exception information, and

log4j.appender.info.file = ${log4j.log.dir}/wmts_ 3 log4j.appender.info.datepattern = Yyyy-mm-dd '. Log ' 4 log4j.appender.info.append = True 5 log4j.appender.info.threshold = INFO 6 log4j.appender.info.layout = Org.apache.log4j.PatternLayout 7 Log4j.appender.Info.layout.ConversionPattern =%d{yyyy-mm-dd HH:mm:ss} [%c:%r]-[%p]%m%n The log file is gener

logtype,string User, string module, String function, String message){Try{Log not logged with type Logtype.offif (LogType = = Logtype.off)Return Joblogdataset.joblogdatatable t = new joblogdataset.joblogdatatable (); One log file per day (. XML file), the file name of the

want to find. and/The difference is a forward down looking for a backward.In addition ' * ' can find the current cursor under the word fully conform to ' g* ' is partially compliant with # instead of * means looking backwardsNote 2 Simple examples of several file processing methodsSED is processed on a row and does not load the entire file into memory and can be used with confidenceTo cut out all data rows

Copy Code code as follows: Date_default_timezone_set (' Asia/hong_kong '); Set time zone Set_error_handler ("MyHandler"); Set Error Handler $chinatime = Date (' y-m-d h:i:s '); Get current time $max _size = 500000; Try { $content = "Hello weixin!"; Logger2 ($content); throw new Exception ("Value must be 1 or below aaaaaaaaaaaaaaaaaaa"); } catch (Exception $e) { Logger2 ("

Date_default_timezone_set (' Asia/hong_kong '); Set time zone Set_error_handler ("MyHandler"); Set Error Handler $chinatime = Date (' y-m-d h:i:s '); Get current time $max _size = 500000; Try { $content = "Hello weixin!"; Logger2 ($content); throw new Exception ("Value must be 1 or below aaaaaaaaaaaaaaaaaaa"); } catch (Exception $e) { Logger2 ("

/messages file is as follows:First use lsof to see if there is currently a process open/var/logmessages file, as follows: # lsof |grep/var/log/messagesSYSLOGD 1283 root 2w REG 3,3 5381017 1773647/var/log/messages (Deleted)From the above information you can see that the PID 1

Print output-guided log file in PythonA. Use Sys.stdout to direct the print line to a log file of your definition, for example:Import Sys# Make a copy of original stdout Routestdout_backup= Sys.stdout# define the log file that rec

MySQL log Files are generally stored in/var/log/mysqld. log. The following describes how to modify the location of MySQL log files for your reference.Today, you need to change the location of the MySQL Log File and find that it ca

above code is:Visible regardless of the data type, it is converted to a string, even the object is no exception.Here's another piece of code to learn about Java: System.out.println (); Out in the code, a PrintStream object in the System class, called the standard output stream object. The standard output stream object prints data to the console. Consult the API to see the following methods,static void SetOut (printstream out)//reassign "standard" output stream .The output stream object can be r

changed to rw-r-640, which means that normal users do not have any permissions. -Rw-r ----- 1 tomcat 5472401566 Jan 14 abc-2018-01-27.log-Rw-r ----- 1 tomcat 1240070383 Jan 15 abc. log Developers cannot check application logs. Troubleshooting Process First check the directory umask [Root @ bkjia-host abc] # umask0022 It was found that it was normal. After checking the umask of tomcat, there was no

1. AWR report for the first 7 days of 2018-09-26 (Oracle usage is 4,022.34/6,179.76/24=2.71% during this period)The most notable problem is the log file sync wait event, which is accompanied by the log file parallel write wait event, which is also relatively high, initially judging this database operating system I/O us

Reference: http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.htmlRequirements at that time: Check the System log, Statistics system processing time (from request to system to system return)Log file: 1.logStart processing:1. Print/output The key lines in the log (initial, end, key node) to a

(Lo4jinit.class); public void init () {String path=this.getservletcontext (). Getrealpath ("/"); String file=this.getinitparameter ("Log4j_init_path"); String logfile=this.getinitparameter ("Log4j_file_path"); if (file!=null) {Properties prop = new Properties (); try{Prop.load (New FileInputStream (Path+file));//Load Log4j.properties prop.setproperty (

MySQL log files believe that we all have a lot of understanding, MySQL log files in general:/var/log/mysqld.log, the following teach you to modify the MySQL log file location method for your reference. Today need to change the location of the MySQL

Tags: style blog http io ar color OS sp forPeter wrote a post a while ago about choosing a good InnoDB log file size. Ânot to pick in Peter, but the post actually kind of talks about a lot of things and then doesn ' t tell you how to choose A good log file size! Âso I thought I ' d clarify it a little.The basic point i

SimpleDateFormat DateFormat = new SimpleDateFormat ("Yyyy-mm-dd HH:mm:ss"); Public logwrite (File logFile) {this.logfile = LogFile; /** * Records information to log file * @param logFile log file * @param mesinfo information * @throws IOException * /public void Run () {if

. Change it anyway.Chown bin: bin db2uext2Chmod 755 db2uext2Then modify the Database ConfigurationDb2 get db cfg for DBNAME | grep LOGARCHDb2 update db cfg for DBNAME using LOGARCHMETH1 USEREXITThen restart the database to take effect.Currently, the ARCHIVE function is only implemented, and the Restoration function is not implemented. You can restore the database by specifying the Log Path.Content of the db

Oracle.sysman.oii.oiic.OiicSessionWrapper.doOperation (oiicsessionwrapper.java:294)At Oracle.sysman.oii.oiic.OiicInstaller.run (oiicinstaller.java:579)At Oracle.sysman.oii.oiic.OiicInstaller.runInstaller (oiicinstaller.java:969)At Oracle.sysman.oii.oiic.OiicInstaller.main (oiicinstaller.java:906)Exception Java.lang.OutOfMemoryError:Java heap space occurred.Java.lang.OutOfMemoryError:Java Heap SpaceAt Java.lang.AbstractStringBuilder.expandCapacity (ab

1) Error logThe error log logs the start, run, and shutdown processes of MySQL.Locate the file by show variables like ' Log_error '.Mysql> Show variables like ' log_error '; +---------------+---------------------------------+| variable_name | Value |+---------------+---------------------------------+| log_error |/usr/local/mysql/data/rhel6.err | +---------------+---------------