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https://issues.apache.org/jira/browse/LOG4J2-1045?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Günter Albrecht updated LOG4J2-1045:
------------------------------------
Description:
We're working with WebSphere 8.0 and our operations team has demanded to
externalize the log4j2.xml file per application.
So I defined a URL resource on WAS8 containing the path to the log4j2.xml
somewhere on the filesystem.
At first glance the solution seems very simple:
I defined the property {{log4j.configurationFactory}} in the
{{log4j2.component.properties}} file
{{log4j.configurationFactory=de.company.MyConfigurationFactory}} available via
classpath of the application.
In this class I specialized the method '{{public Configuration
getConfiguration(String name, URI configLocation, ClassLoader loader)}}'. There
I make a lookup to the URL resource.
But it does'nt function as of a missing implementation in the class
{{ConfigurationFactory$Factory}} and the method {{public Configuration
getConfiguration(final String name, final URI configLocation)}}. When one
enters the method the variable {{configLocation}} is null. Then the property
{{log4j.configurationFile}} is checked which is intentionally not set in the
{{log4j2.component.properties}} file as it must be dynamical - via a URL
resource.
Hence also the variable config is null. Unfortunately merely {{config != null}}
is handled and no else case is implemented.
So my improvement is to implement an else case which is identical to the else
case of {{if (configLocation == null)}}.
With this solution I do not have to implement cumbersome versions for Web- and
EJB-applications.
was:
We're working with WebSphere 8.0 and our operations team has demanded to
externalize the log4j2.xml file per application.
So I defined a URL resource on WAS8 containing the path to the log4j2.xml
somewhere on the filesystem.
At first glance the solution seems very simple:
I defined the property {{log4j.configurationFactory}} in the
{{log4j2.component.properties}} file
{{log4j.configurationFactory=de.company.MyConfigurationFactory}} available via
classpath of the application.
In this class I specialized the method '{{public Configuration
getConfiguration(String name, URI configLocation, ClassLoader loader)}}'. There
I make a lookup to the URL resource.
But it does'nt function as of a missing implementation in the class
{{ConfigurationFactory$Factory}} and the method {{public Configuration
getConfiguration(final String name, final URI configLocation)}}. When one
enters the method the variable {{configLocation}} is null. Then the property
'{{log4j.configurationFile}}' is checked which is intentionally not set in the
{{log4j2.component.properties}} file as it must be dynamical - via a URL
resource.
Hence also the variable config is null. Unfortunately merely {{config != null}}
is handled and no else case is implemented.
So my improvement is to implement an else case which is identical to the else
case of '{{if (configLocation == null)}}'.
With this solution I do not have to implement cumbersome versions for Web- and
EJB-applications.
> WAS8: externalize log4j2.xml via URL resource
> ---------------------------------------------
>
> Key: LOG4J2-1045
> URL: https://issues.apache.org/jira/browse/LOG4J2-1045
> Project: Log4j 2
> Issue Type: Bug
> Components: Configurators
> Affects Versions: 2.3
> Environment: WebSphere 8.0; Win7 x64
> Reporter: Günter Albrecht
> Labels: patch
>
> We're working with WebSphere 8.0 and our operations team has demanded to
> externalize the log4j2.xml file per application.
> So I defined a URL resource on WAS8 containing the path to the log4j2.xml
> somewhere on the filesystem.
> At first glance the solution seems very simple:
> I defined the property {{log4j.configurationFactory}} in the
> {{log4j2.component.properties}} file
> {{log4j.configurationFactory=de.company.MyConfigurationFactory}} available
> via classpath of the application.
> In this class I specialized the method '{{public Configuration
> getConfiguration(String name, URI configLocation, ClassLoader loader)}}'.
> There I make a lookup to the URL resource.
> But it does'nt function as of a missing implementation in the class
> {{ConfigurationFactory$Factory}} and the method {{public Configuration
> getConfiguration(final String name, final URI configLocation)}}. When one
> enters the method the variable {{configLocation}} is null. Then the property
> {{log4j.configurationFile}} is checked which is intentionally not set in the
> {{log4j2.component.properties}} file as it must be dynamical - via a URL
> resource.
> Hence also the variable config is null. Unfortunately merely {{config !=
> null}} is handled and no else case is implemented.
> So my improvement is to implement an else case which is identical to the else
> case of {{if (configLocation == null)}}.
> With this solution I do not have to implement cumbersome versions for Web-
> and EJB-applications.
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