log4j Configuration Sample
#定义根日志级别和输出端 (two outputs defined) Log4j.rootlogger=error,console,orclight #定义第一个输出端, output to console log4j.appender.console=
Org.apache.log4j.ConsoleAppender Log4j.appender.console.layout=org.apache.log4j.patternlayout log4j.appender.console.layout.conversionpattern=%d [%t]%-5p%c (%l)-%m%n #定时第二个输出端, output to a file with a maximum space of 1000KB, Automatically back up after 1000KB, generate new files Log4j.appender.or
1. Exposes the data type of a unique binary number that is automatically generated in the database.2.timestamp is typically used as a mechanism for adding a version stamp to a table row.3. The storage size is 8 bytes. A non-nullable timestamp column is semantically equivalent to a binary (8) column. The nullable timestamp column is semantically equivalent to the
The following is written in the official log4j API, which is sufficient to explain the difference between logger and category...
public class Category
Extends java. Lang. Object
Implements appenderattachable
This class has been deprecated andReplaced byLogger Subclass. ItWill be kept around to preserve backward compatibility until mid2003.
LoggerIs a subclass of category, I. e. It extendsCategory. In other words, a loggerIsA c
Do the project is log4j output format parameters annoying, simply put the relevant parts of the API roughly translated, the original see http://logging.apache.org/log4j/docs/api/org/apache/log4j/PatternLayout.htmlParameter Description Example%c lists the full name of the logger namespace, and if the addition of the {Suppose the current logger namespace is "A.B.C"
PHP gets the timestamp in milliseconds, and php gets the timestamp in milliseconds. PHP obtains the timestamp in milliseconds. we know that the timestamp obtained by the time () function in php is measured in seconds. however, the timestamp obtained by the front-end JS, in m
JS gets the Unix time stamp
The Unix timestamp (Unix timestamp), or Unix time (Unix times), POSIX time (POSIX times), is a time representation, defined as the total number of seconds from GMT January 01, 1970 00:00 00 seconds to the present. Unix timestamps are used not only in UNIX systems, Unix-like systems, but also in many other operating systems.
A considerable portion of the operating system currently
Java timestamp and PHP timestamp conversion phptime () summarizes the conversion problem between java timestamp and PHP timestamp: due to different precision, the length is inconsistent and direct conversion error occurs. The JAVA timestamp length is 13 bits, for example, 12
Introduction: This is a detailed page of Java Timestamp and PHP timestamp. It introduces the knowledge, skills, and experience related to PhP, timestamp, Java, PHP Java timestamp, and PHP timestamp, and some PHP source code.
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Log4j configuration file is used to set the recorder level, storage device, and layout. It can be connected to key = value format settings or XML format settings. Through configuration, you can create a log4j runtime environment.
1. Configuration FileThe basic format of the log4j configuration file is as follows:# Configure the root Logger
Tags:--padding and net current Time man index number nbspThe timestamp data type is a special data type that can automatically update the time if you update the record without using program updates timestamp I. Variants of TIMESTAMP Timestamp timestamps can have multiple different features when created, such as: 1. Re
Received a demand, through the log4j time print log, requirements described as follows: the need to be able to print the log regularly, the interval can be matched. When it comes to timing, first think of the Dailyrollingfileappender class, various timing, according to Datepattern, this can refer to class SimpleDateFormat class, common some of the regular settings are as follows:
[HTML]View Plain copy print? '.' YYYY-MM: Monthly '. ' YYYY-WW: Weekly '
PHP gets the start timestamp and end timestamp of today, yesterday, last week, this month, mainly using PHP's time function mktime. Let's start with a straight-through example to illustrate how to use Mktime to get the start timestamp and end timestamp for today, yesterday, last week, this month, and then introduce the
Why is the PHP timestamp converted into a Unix timestamp? Why is the PHP timestamp converted into a Unix timestamp? ------ Solution ------------------ because it returns a Unix timestamp. -- The Unix timestamp is the number of sec
Tags: RDA log date Sunday date entry for blogFrom_unixtime () is the time function in MySQLDate is the parameter that needs to be processed (the parameter is a UNIX timestamp), can be a field name, or it can be a Unix timestamp stringThe following '%y%m%d ' is primarily the formatting of the return valueFor example: mysql> select From_unixtime ( Span style= "color: #800000; Font-weight:bold; " >124948800
PHP gets the start timestamp and end timestamp of today, yesterday, last week, this month, mainly using PHP's time function mktime. Let's start with a straight-through example to illustrate how to use Mktime to get the start timestamp and end timestamp for today, yesterday, last week, this month, and then introduce the
MySQL TIMESTAMP (TIMESTAMP) details, mysqltimestamp
When creating a table, if a field type in the table is TIMESTAMP, the default statement for generating this field is:
CREATE TABLE `test` ( `id` int(11) DEFAULT NULL, `ctime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP) ENGINE=InnoDB DEF
PHP gets the start timestamp and end timestamp of today, yesterday, last week, this month, mainly using PHP's time function mktime. Let's start with a straight-through example to illustrate how to use Mktime to get the start timestamp and end timestamp for today, yesterday, last week, this month, and then introduce the
Using log4j to output logs for Tomcat
http://tomcat.apache.org/tomcat-6.0-doc/logging.html#Using_Log4j
Original source:
Geoff Mottram (Geoff at minaret Dot biz).
Placed in the public domain on August, 2004 by the author.
Last Updated:january 27, 2005.
This document is provided ' as is ', without warranty of any kind, express or implied, including and not limited to the Warr Anties of merchantability, fitness for a particular purpose and noninfringeme
This article mainly introduces the PHP date to time stamp, the specified date to convert to timestamp, has a certain reference value, now share to everyone, the need for friends can refer to
UNIX timestamp and format date is the two time representations we often deal with, Unix timestamp storage, processing convenience, but not intuitive, formatted date intuitiv
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