Andre Burgoyne created LOG4J2-2033:
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Summary: Regression in ProviderUtil.hasProviders for 2.9.0
Key: LOG4J2-2033
URL: https://issues.apache.org/jira/browse/LOG4J2-2033
Project: Log4j 2
Issue Type: Bug
Components: Core
Affects Versions: 2.9.0
Reporter: Andre Burgoyne
With release of 2.9.0, log4j no longer finds it configuration when running in
an ant task.
{code:java}
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.util.ProviderUtil;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
public class AntTest extends Task {
private static void logTest() {
System.out.println("ProviderUtil.hasProviders() = " +
ProviderUtil.hasProviders());
System.out.println("LogManager.getContext() = " +
LogManager.getContext());
LogManager.getLogger(AntTest.class).warn("test warn");
}
public void execute() throws BuildException {
logTest();
}
}
{code}
This code when run with a log4j2.properties in the class path works fine with
version 2.8.2, but when linked with 2.9.0 it fails:
{noformat}
# using log4j-core-2.8.2.jar and log4j-api-2.8.2.jar
[AntTest8] ProviderUtil.hasProviders() = true
[AntTest8] LogManager.getContext() =
org.apache.logging.log4j.core.LoggerContext@2d3379b4
[AntTest8] 2017-09-05 14:57:41,854 WARN main [AntTest] test warn
# using log4j-core-2.9.0.jar and log4j-api-2.9.0.jar
[AntTest9] ProviderUtil.hasProviders() = false
[AntTest9] ERROR StatusLogger Log4j2 could not find a logging implementation.
Please add log4j-core to the classpath. Using SimpleLogger to log to the
console...
[AntTest9] LogManager.getContext() =
org.apache.logging.log4j.simple.SimpleLoggerContext@e4487af
{noformat}
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