testlog4j

test/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

test/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>test</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

test/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
+org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.5

test/.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

test/pom.xml

@@ -0,0 +1,14 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>test</groupId>
+  <artifactId>test</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <name>test</name>
+  <dependencies>
+	  <dependency>
+	      <groupId>org.apache.logging.log4j</groupId>
+	      <artifactId>log4j-core</artifactId>
+	      <version>2.14.0</version>
+	  </dependency>
+  </dependencies>
+</project>

test/src/main/java/test/Test.java

@@ -0,0 +1,16 @@
+package test;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class Test {
+    public static final Logger logger = LogManager.getLogger();
+
+    public static void main(String[] args) {
+        String str = "${java:os}";
+        logger.error("hi, {}", str);
+        str = "${java:vm}";
+        logger.error("hi, {}", str);
+    }
+
+}

test/target/classes/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Built-By: admin
+Build-Jdk: 1.8.0_261
+Created-By: Maven Integration for Eclipse
+

test/target/classes/META-INF/maven/test/test/pom.properties

@@ -0,0 +1,7 @@
+#Generated by Maven Integration for Eclipse
+#Tue Dec 14 09:44:17 CST 2021
+version=0.0.1-SNAPSHOT
+groupId=test
+m2e.projectName=test
+m2e.projectLocation=D\:\\java\\eclipse-workspace\\leetcode\\test
+artifactId=test

test/target/classes/META-INF/maven/test/test/pom.xml

@@ -0,0 +1,14 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>test</groupId>
+  <artifactId>test</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <name>test</name>
+  <dependencies>
+	  <dependency>
+	      <groupId>org.apache.logging.log4j</groupId>
+	      <artifactId>log4j-core</artifactId>
+	      <version>2.14.0</version>
+	  </dependency>
+  </dependencies>
+</project>