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https://issues.apache.org/jira/browse/LOG4J2-1921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16028535#comment-16028535
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Ajitha commented on LOG4J2-1921:
--------------------------------
@Ralph et all :
1) Android does not support java 9 yet. So I m not able to use the jar file. It
wil take another few months for the support to be added.
2) since the api jar file is not compatible, I was not able to use it. So I
thought of using 2.8.2 version of jar for log4j api and 2.8.3 version of jar
for log4j core. This is where I got the class cast exception. I guess log4j
does not allow incompatible core and api jars.
I m working from India. So tomorrow during my day, I shall try taking the
source code of 2.8.3 api and 2.8.3 core and try compiling it from Android
studio directly.
I will get back to you in this thread in case of issues.
Usually we - Android developers used to take the links from maven repo and put
it in gradle . Now we will take the source from apache repo and try building it
with the Java compiler that comes with Android SDK.
If there is any modifications that I need to do for avoiding java 9 classes
let me know.
> Getting ClassCastException while getting LoggerContext
> ------------------------------------------------------
>
> Key: LOG4J2-1921
> URL: https://issues.apache.org/jira/browse/LOG4J2-1921
> Project: Log4j 2
> Issue Type: Bug
> Components: Configurators
> Affects Versions: 2.8.2
> Environment: Android
> Reporter: Ajitha
> Priority: Blocker
>
> Hi,
> I integrated the log4j with my Android application and did the initial
> config. It works fine. I have a menu item in "Settings" screen where I can
> change the log levels in my application. So, After I change the
> configuration, I need to update the loggers. So I am using following logic.
> {code:java}
> LoggerContext ctx = LoggerContext.getContext()
> Configuration config = ctx.getConfiguration();
> LoggerConfig loggerConfig =
> config.getLoggerConfig(LogManager.ROOT_LOGGER_NAME);
> loggerConfig.setLevel(myLogLevel);
> ctx.updateLoggers();
> {code}
> While getting the logger context, I am getting a ClassCastException.
> 05-26 22:33:21.011 E/AndroidRuntime( 9642): Caused by:
> java.lang.ClassCastException:
> org.apache.logging.log4j.simple.SimpleLoggerContext cannot be cast to
> org.apache.logging.log4j.core.LoggerContext
> 05-26 22:33:21.011 E/AndroidRuntime( 9642): at
> org.apache.logging.log4j.core.LoggerContext.getContext(LoggerContext.java:190)
> 05-26 22:33:21.011 E/AndroidRuntime( 9642): at
> org.apache.logging.log4j.core.config.Configurator.setRootLevel(Configurator.java:323)
> Please help here.
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