updated log4j library

.gitignore

@@ -2,4 +2,5 @@
 .classpath
 .settings/
 target/
-/.idea/
+.idea/
+bin/

pom.xml

@@ -30,7 +30,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.20.1</version>
+				<version>3.0.0-M5</version>
 				<configuration>
 					<forkMode>always</forkMode>
 				</configuration>
@@ -40,10 +40,44 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.10.0</version>
 				<configuration>
-					<source>1.8</source>
+					<source>${maven.compiler.source}</source>
-					<target>1.8</target>
+					<target>${maven.compiler.target}</target>
+					<failOnError>true</failOnError>
+					<compilerArgs>
+						<arg>-Xlint:all</arg>
+					</compilerArgs>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.owasp</groupId>
+				<artifactId>dependency-check-maven</artifactId>
+				<version>7.0.0</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>check</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-enforcer-plugin</artifactId>
+				<version>3.0.0</version>
+				<executions>
+					<execution>
+						<id>enforce</id>
+						<configuration>
+							<rules>
+								<DependencyConvergence />
+							</rules>
+						</configuration>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>
 
@@ -62,6 +96,12 @@
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-slf4j-impl</artifactId>
 			<version>${log4j.version}</version>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>slf4j-api</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>