remove conflicts

annotation/pom.xml

@@ -9,7 +9,8 @@
 	</parent>
 	<artifactId>annotation</artifactId>
 	<name>Annotation module</name>
-	<description>Module used for preparing annotations for model and connect to external resources.</description>
+	<description>Module used for preparing annotations for model and connect to
+		external resources.</description>
 
 	<dependencies>
 
@@ -54,7 +55,8 @@
 			<artifactId>log4j-core</artifactId>
 			<version>${log4j2.version}</version>
 		</dependency>
-		<!-- Spring uses commons-logging, so: https://stackoverflow.com/a/41475146/1127920 -->
+		<!-- Spring uses commons-logging, so:
+		https://stackoverflow.com/a/41475146/1127920 -->
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-jcl</artifactId>
@@ -87,7 +89,6 @@
 		</dependency>
 
 
-
 		<!-- XML parser -->
 		<dependency>
 			<groupId>xerces</groupId>
@@ -113,6 +114,11 @@
 					<groupId>commons-codec</groupId>
 					<artifactId>commons-codec</artifactId>
 				</exclusion>
+				<!-- we use higher version of commons-logging in transiect dependency -->
+				<exclusion>
+					<groupId>commons-logging</groupId>
+					<artifactId>commons-logging</artifactId>
+				</exclusion>
 			</exclusions>
 		</dependency>
 
@@ -121,6 +127,13 @@
 			<artifactId>httpmime</artifactId>
 			<version>${apache.httpcomponents.version}</version>
 			<scope>compile</scope>
+			<!-- we use higher version of commons-logging in transiect dependency -->
+			<exclusions>
+				<exclusion>
+					<groupId>commons-logging</groupId>
+					<artifactId>commons-logging</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 
 		<dependency>
@@ -128,6 +141,13 @@
 			<artifactId>httpcore</artifactId>
 			<version>${apache.httpcomponents-core.version}</version>
 			<scope>compile</scope>
+			<!-- we use higher version of commons-logging in transiect dependency -->
+			<exclusions>
+				<exclusion>
+					<groupId>commons-logging</groupId>
+					<artifactId>commons-logging</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 
 		<dependency>

model/pom.xml

@@ -17,7 +17,7 @@
 			<artifactId>commons</artifactId>
 			<version>17.0.0~alpha.0</version>
 		</dependency>
-		
+
 		<!-- Java xml serialization -->
 		<dependency>
 			<groupId>javax.xml.bind</groupId>
@@ -109,6 +109,12 @@
 					<groupId>org.javassist</groupId>
 					<artifactId>javassist</artifactId>
 				</exclusion>
+				<!-- we use higher version of slf4j -->
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>slf4j-api</artifactId>
+				</exclusion>
+
 			</exclusions>
 		</dependency>
 

persist/pom.xml

 <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">
+	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>
 	<parent>
@@ -90,7 +89,8 @@
 			<artifactId>log4j-core</artifactId>
 			<version>${log4j2.version}</version>
 		</dependency>
-		<!-- Spring uses commons-logging, so: https://stackoverflow.com/a/41475146/1127920 -->
+		<!-- Spring uses commons-logging, so:
+		https://stackoverflow.com/a/41475146/1127920 -->
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-jcl</artifactId>
@@ -114,8 +114,16 @@
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-commons</artifactId>
 			<version>${spring.data.version}</version>
+			<!-- we use higher version of slf4j -->
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>slf4j-api</artifactId>
+				</exclusion>
+			</exclusions>
+
 		</dependency>
-		
+
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-web</artifactId>
@@ -168,6 +176,13 @@
 			<groupId>com.zaxxer</groupId>
 			<artifactId>HikariCP</artifactId>
 			<version>${hikari.version}</version>
+			<!-- we use higher version of slf4j -->
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>slf4j-api</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 
 		<dependency>
@@ -211,7 +226,7 @@
 			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
-		
+
 	</dependencies>
 
 </project>
\ No newline at end of file