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Posted to dev@logging.apache.org by "Andre Burgoyne (JIRA)" <ji...@apache.org> on 2017/09/05 22:39:00 UTC
[jira] [Comment Edited] (LOG4J2-2033) Regression in
ProviderUtil.hasProviders for 2.9.0
[ https://issues.apache.org/jira/browse/LOG4J2-2033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16154451#comment-16154451 ]
Andre Burgoyne edited comment on LOG4J2-2033 at 9/5/17 10:38 PM:
-----------------------------------------------------------------
Included below is my sample build.xml used for showing this bug:
{code:xml}
<project name="AntTest" default="antTest" basedir=".">
<target name="clean">
<delete dir="build"/>
</target>
<target name="compile">
<mkdir dir="build" />
<javac srcdir="src" destdir="build" includeantruntime="true">
<classpath>
<path refid="classpath.log4j.2.9" />
</classpath>
</javac>
</target>
<path id="classpath.log4j.2.9">
<fileset dir="jars">
<include name="log4j-api-2.9.0.jar"/>
<include name="log4j-core-2.9.0.jar"/>
</fileset>
</path>
<path id="classpath.log4j.2.8">
<fileset dir="jars">
<include name="log4j-api-2.8.2.jar"/>
<include name="log4j-core-2.8.2.jar"/>
</fileset>
</path>
<target name="antTest" depends="compile" description="run antTest">
<taskdef name="AntTest8" classname="AntTest">
<classpath>
<pathelement location="build" />
<pathelement location="conf" />
<path refid="classpath.log4j.2.8" />
</classpath>
</taskdef>
<taskdef name="AntTest9" classname="AntTest">
<classpath>
<pathelement location="build" />
<pathelement location="conf" />
<path refid="classpath.log4j.2.9" />
</classpath>
</taskdef>
<AntTest8/>
<AntTest9/>
</target>
</project>
{code}
The full test project can be found [here|https://github.com/aburgoyne-mp/LOG4J2-2033]
was (Author: aburgoyne):
Included below is my sample build.xml used for showing this bug:
{code:xml}
<project name="AntTest" default="antTest" basedir=".">
<target name="clean">
<delete dir="build"/>
</target>
<target name="compile">
<mkdir dir="build" />
<javac srcdir="src" destdir="build" includeantruntime="true">
<classpath>
<path refid="classpath.log4j.2.9" />
</classpath>
</javac>
</target>
<path id="classpath.log4j.2.9">
<fileset dir="jars">
<include name="log4j-api-2.9.0.jar"/>
<include name="log4j-core-2.9.0.jar"/>
</fileset>
</path>
<path id="classpath.log4j.2.8">
<fileset dir="jars">
<include name="log4j-api-2.8.2.jar"/>
<include name="log4j-core-2.8.2.jar"/>
</fileset>
</path>
<target name="antTest" depends="compile" description="run antTest">
<taskdef name="AntTest8" classname="AntTest">
<classpath>
<pathelement location="build" />
<pathelement location="conf" />
<path refid="classpath.log4j.2.8" />
</classpath>
</taskdef>
<taskdef name="AntTest9" classname="AntTest">
<classpath>
<pathelement location="build" />
<pathelement location="conf" />
<path refid="classpath.log4j.2.9" />
</classpath>
</taskdef>
<AntTest8/>
<AntTest9/>
</target>
</project>
{code}
> 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}
> This may be related to this bug? https://issues.apache.org/jira/browse/LOG4J2-862
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