FAIL - Application at context path [/scimServer] could not be started

Hello everyone,

I am working on the SCIM connector from Okta and I am stuck when I deploy my connector on a tomcat. I used the Okta SDK to build the connector and I followed this guide : https://help.okta.com/en/prod/Content/Topics/Provisioning/opp/OPP-create-SCIM-connectors.htm

Here is my code:
Pom.xml :

<modelVersion>4.0.0</modelVersion>

<groupId>com.okta.scim.sdk</groupId>
<version>01.03.02-SNAPSHOT</version>
<artifactId>scim-server-example</artifactId>
<packaging>war</packaging>

<properties>
    <scim-server-sdk.version>[1.0,2.0)</scim-server-sdk.version>

    <java.version>1.6</java.version>
    <maven-jar-plugin.version>2.4</maven-jar-plugin.version>
    <maven-surefire-plugin.version>2.13</maven-surefire-plugin.version>
    <maven-enforcer-plugin.version>1.1.1</maven-enforcer-plugin.version>
    <maven-compiler-plugin.version>2.3.1</maven-compiler-plugin.version>
    <org.springframework.version>3.2.10.RELEASE</org.springframework.version>
    <maven-war-plugin.version>2.2</maven-war-plugin.version>
    <tomcat6-maven-plugin.version>2.1</tomcat6-maven-plugin.version>

    <ch.qos.logback.version>1.1.2</ch.qos.logback.version>
    <org.slf4j-api.version>1.7.10</org.slf4j-api.version>
    <unboundid-scim-sdk.version>1.3.2</unboundid-scim-sdk.version>
    <org.codehaus.jackson.version>1.9.13</org.codehaus.jackson.version>
    <commons-io.commons-io.version>1.4</commons-io.commons-io.version>
    <org.apache.httpcomponents.httpclient.version>4.3.5</org.apache.httpcomponents.httpclient.version>

    <!--tests-->
    <testng.version>6.8.7</testng.version>
    <org.hamcrest.version>1.3</org.hamcrest.version>
</properties>

<dependencies>
    <!--Okta dependencies-->
    <dependency>
        <groupId>com.okta.scim.sdk</groupId>
        <artifactId>scim-server-sdk</artifactId>
        <!--<version>01.03.02-SNAPSHOT</version>-->
        <version>${scim-server-sdk.version}</version>
    </dependency>

    <!-- Spring dependencies -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${org.springframework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${org.springframework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${org.springframework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>${org.springframework.version}</version>
    </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>${commons-io.commons-io.version}</version>
    </dependency>

    <!--transitive dependencies that are also needed-->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>${org.slf4j-api.version}</version>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
        <version>${ch.qos.logback.version}</version>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-core</artifactId>
        <version>${ch.qos.logback.version}</version>
    </dependency>
    <dependency>
        <groupId>com.unboundid.product.scim</groupId>
        <artifactId>scim-sdk</artifactId>
        <version>${unboundid-scim-sdk.version}</version>
        <exclusions>
            <exclusion>
                <artifactId>servlet-api</artifactId>
                <groupId>org.mortbay.jetty</groupId>
            </exclusion>
            <exclusion> <!-- Exclude httpclient, unboundid uses older - 4.0.1-->
                <groupId>org.apache.httpcomponents</groupId>
                <artifactId>httpclient</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.codehaus.jackson</groupId>
        <artifactId>jackson-mapper-asl</artifactId>
        <version>${org.codehaus.jackson.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>${org.apache.httpcomponents.httpclient.version}</version>
    </dependency>

    <!--Tests-->
    <dependency>
        <groupId>org.testng</groupId>
        <artifactId>testng</artifactId>
        <version>${testng.version}</version>
        <scope>test</scope>
    </dependency>

    <dependency>
        <groupId>org.hamcrest</groupId>
        <artifactId>hamcrest-library</artifactId>
        <version>${org.hamcrest.version}</version>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>${maven-compiler-plugin.version}</version>
            <configuration>
                <source>${java.version}</source>
                <target>${java.version}</target>
                <encoding>UTF-8</encoding>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>${maven-jar-plugin.version}</version>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-surefire-plugin</artifactId>
            <version>${maven-surefire-plugin.version}</version>
            <configuration>
                <useFile>false</useFile>
                <trimStackTrace>false</trimStackTrace>
                <excludes>
                    <exclude>**/*FuncTest.java</exclude>
                </excludes>
                <failIfNoTests>false</failIfNoTests>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-failsafe-plugin</artifactId>
            <version>${maven-surefire-plugin.version}</version>
            <executions>
                <execution>
                    <goals>
                        <goal>integration-test</goal>
                        <goal>verify</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <useFile>false</useFile>
                <trimStackTrace>false</trimStackTrace>
                <includes>
                    <include>**/*FuncTest.java</include>
                    <include>**/*IT.java</include>
                </includes>
                <failIfNoTests>false</failIfNoTests>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.tomcat.maven</groupId>
            <artifactId>tomcat6-maven-plugin</artifactId>
            <version>${tomcat6-maven-plugin.version}</version>
            <configuration>
                <port>2081</port>
                <path>/scim</path>
            </configuration>
            <executions>
                <execution>
                    <id>start-tomcat</id>
                    <phase>pre-integration-test</phase>
                    <goals>
                        <goal>run</goal>
                    </goals>
                    <configuration>
                        <fork>true</fork>
                        <port>2081</port>
                        <path>/scim</path>
                    </configuration>
                </execution>
                <execution>
                    <id>stop-tomcat</id>
                    <phase>post-integration-test</phase>
                    <goals>
                        <goal>shutdown</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <artifactId>maven-enforcer-plugin</artifactId>
            <version>${maven-enforcer-plugin.version}</version>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>${maven-war-plugin.version}</version>
            <configuration>
                <attachClasses>true</attachClasses>
                <archive>
                    <manifest>
                        <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
                    </manifest>
                </archive>
            </configuration>
        </plugin>
    </plugins>
</build>

testScim.java :

import com.okta.scim.server.capabilities.UserManagementCapabilities;
import com.okta.scim.server.exception.DuplicateGroupException;
import com.okta.scim.server.exception.EntityNotFoundException;
import com.okta.scim.server.exception.OnPremUserManagementException;
import com.okta.scim.util.model.*;

    public class testScim implements com.okta.scim.server.service.SCIMService {
        @Override
        public SCIMUser createUser(SCIMUser scimUser) throws OnPremUserManagementException {
            return null;
        }

        @Override
    public SCIMUser updateUser(String s, SCIMUser scimUser) throws OnPremUserManagementException, EntityNotFoundException {
        return null;
    }

    @Override
    public SCIMUserQueryResponse getUsers(PaginationProperties paginationProperties, SCIMFilter scimFilter) throws OnPremUserManagementException {
        return null;
    }

    @Override
    public SCIMUser getUser(String s) throws OnPremUserManagementException, EntityNotFoundException {
        return null;
    }

    @Override
    public SCIMGroup createGroup(SCIMGroup scimGroup) throws OnPremUserManagementException, DuplicateGroupException {
        return null;
    }

    @Override
    public SCIMGroup updateGroup(String s, SCIMGroup scimGroup) throws OnPremUserManagementException, EntityNotFoundException {
        return null;
    }

    @Override
    public SCIMGroupQueryResponse getGroups(PaginationProperties paginationProperties) throws OnPremUserManagementException {
        return null;
    }

    @Override
    public SCIMGroup getGroup(String s) throws OnPremUserManagementException, EntityNotFoundException {
        return null;
    }

    @Override
    public void deleteGroup(String s) throws OnPremUserManagementException, EntityNotFoundException {

    }

    @Override
    public UserManagementCapabilities[] getImplementedUserManagementCapabilities() {
        return new UserManagementCapabilities[0];
    }
}

dispatcher-servlet.xml

<!--this is the required spring configuration file that is included within the scim-server-sdk jar-->
<import resource="classpath:opp-sdk-config.xml"/>

<bean id="service" class="testScim">
    <!--The SDK ships with the sample users.json and groups.json in the src/main/resources directory. Provide the absolute path to these files below. Edit these files with the users/groups you want to be imported into Okta.
     If you do not want to store any data in files, you can leave the value for these property empty-->
    <property name="usersFilePath" value=""/>
    <property name="groupsFilePaths" value=""/>
</bean>

When I build my .war and try to deploy it in tomcat, I get the following error: FAIL - Application at context path [/scimServer] could not be started.

If I ask around, it seems that the problem comes from my bean and indeed, I had forgotten to configure the two properties of my bean.

The questions are :
Where does my problem come from?
And What should I replace usersFilePath and groupsFilePath with ?

Thank you,

sorry for my poor English