use slf4j 1.7.30
<hamcrest.version>2.2</hamcrest.version>
<mockito.version>3.3.3</mockito.version>
<guava.version>18.0</guava.version>
+ <slf4j.version>1.7.30</slf4j.version>
<jacoco.version>0.8.5</jacoco.version>
<jacoco.haltOnFailure>false</jacoco.haltOnFailure>
<jacoco.line.coverage>0.70</jacoco.line.coverage>
<artifactId>jackson2-api</artifactId>
<version>2.10.2</version>
</dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ <version>${slf4j.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>jcl-over-slf4j</artifactId>
+ <version>${slf4j.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>log4j-over-slf4j</artifactId>
+ <version>${slf4j.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-jdk14</artifactId>
+ <version>${slf4j.version}</version>
+ </dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
