Apache Commons Logging: Difference between revisions

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{{Short description|Logging model and program}}

{{Infobox software

| name = Apache Commons Logging

| logo =

| screenshot =
| caption =

| developer = [[Apache Software Foundation]]

| caption =

| released =

| developer = [[Apache Software Foundation]]

| latest release version = 1.3.4

| released =

| latest release versiondate = 1.2{{Start date and age|2024|08|16}}

| latest release date = {{release date|2014|07}}

| latest preview version =

| latest preview date =

| operating system = [[Cross-platform]]

| website repo = {{URL|https://commonsgithub.com/apache.org/proper/commons-logging/}}

| programming language = [[Java (programming language)|Java]]

| genre = [[Logging Tool]]

| license = [[Apache License 2.0]]

| website = {{URL|https://commons.apache.org/proper/commons-logging/}}

| website = {{URL|https://commons.apache.org/proper/commons-logging/}}

}}

'''Apache Commons Logging''' (previously known as '''Jakarta Commons Logging''' or '''JCL''') is a [[Java platform|Java]]-based [[data logging|logging]] utility and a programming model for logging and for other toolkits. It provides [[Application programming interface|API]]s, log implementations, and [[Adapter pattern|wrapper]] implementations over some other tools.<ref name=":ac">{{Cite web|url = http://commons.apache.org/proper/commons-logging/|title = commons logging|access-date = |accessdate = 12 February 2016|website = Apache.org|publisher = Apache|last = |first = }}</ref><ref name=":ijcliwas_2">{{Cite book|title = Integrating Jakarta Commons Logging with IBM WebSphere Application Server V5|url=http://www-01.ibm.com/support/docview.wss?uid=swg27004610&aid=1|last = Zavala|first = D.A.|last2 = Lau| first2 = Y.C.| publisher = IBM corporation|year = 2004|___location = |volume = |pages = 2}}</ref><ref name=":ac_c">{{Cite web|url = http://commons.apache.org/proper/commons-logging/guide.html|title = contents|access-date = |accessdate = 12 February 2016|website = Apache.org|publisher = Apache|last = |first = }}</ref>

== Log level ==

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| '''trace'''

| Most detailed information. Expect these to be written to logs only.

|}<ref name=":ac_c"/><ref name=":ajc_120">{{Cite book|title = Apache Jakarta Commons - Reusable Java Components|last = Iverson|first = W.|publisher = Pearson Education, Inc.|year = 2005|___location = Crawfordsville, Indiana, USA|volume = |pages = 120–122}}</ref>

== Configuration ==

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== Example ==

Sample code may look like as follows:

<sourcesyntaxhighlight lang="Java">

package com.cascadetg.ch09;

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try

{

Class.forName("com.cascadetg.NonexistantClassNonexistentClass");

} catch (Exception e)

{

log.warn("Can't find a non-existentnonexistent class!");

}

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}

}

</sourcesyntaxhighlight><ref name=":ajc_120"/>

== See also ==

{{Portal|JavaComputer (programming language)|Free and open-source software}}

*[[log4j]]

*[[Chainsaw (log file viewer)]]

*{{GitHub|https://github.com/apache/commons-logging/commits?author=costinm}}

== References ==

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[[Category:Log file formats]]

[[Category:Software using the Apache license]]

[[Category:Apache Commons|Logging]]