Issue Migrating to ResourceExtension from ResourceTestRule
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William Herbert
Dec 25, 2019, 9:45:39 PM12/25/19
to dropwizard-user
I am attempting to upgrade to 2.0.0 but am having difficulty making ResourceExtension work for me.
I'm following the example that is in dropwizard-example and have this:
private static final ResourceExtension RESOURCE = ResourceExtension.builder()
.addResource(new GamingResource(dao))
.build();
What happens when that field is called in a test method (either way):
RESOURCE.client()target("/vg/all").request().get(List.class);RESOURCE.target("/vg/all").request().get(List.class);I receive a null pointer exception when the ResourceExtension attempts to call client() or target().I know there are working unit tests for this class in the dropwizard-example project, so I am wondering if the cause of my problem is a dependency or pom issue. Below is the pom.xml file I have. I have attempted a number of variations based on the pom.xml in dropwizard-example.All suggestions would be appreciated.
<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>org.bilbert</groupId>
<artifactId>driftwood</artifactId>
<version>6.0.0</version>
<packaging>jar</packaging>
<properties>
<dropwizard.version>2.0.0</dropwizard.version>
<spring.version>5.2.1.RELEASE</spring.version>
<jersey.version>2.29.1</jersey.version>
<junit5.version>5.5.2</junit5.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>io.dropwizard</groupId>
<artifactId>dropwizard-core</artifactId>
<version>${dropwizard.version}</version>
</dependency>
<dependency>
<groupId>io.dropwizard</groupId>
<artifactId>dropwizard-jdbi3</artifactId>
<version>${dropwizard.version}</version>
</dependency>
<dependency>
<groupId>io.dropwizard</groupId>
<artifactId>dropwizard-client</artifactId>
<version>${dropwizard.version}</version>
</dependency>
<dependency>
<groupId>io.dropwizard</groupId>
<artifactId>dropwizard-auth</artifactId>
<version>${dropwizard.version}</version>
</dependency>
<dependency>
<groupId>io.dropwizard</groupId>
<artifactId>dropwizard-testing</artifactId>
<version>${dropwizard.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.test-framework.providers</groupId>
<artifactId>jersey-test-framework-provider-grizzly2</artifactId>
<version>${jersey.version}</version>
<exclusions>
<exclusion>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
</exclusion>
<exclusion>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</exclusion>
</exclusions>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.31</version>
</dependency>
<dependency>
<groupId>com.javadocmd</groupId>
<artifactId>simplelatlng</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.196</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.3.2</version>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>3.2.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jdbi</groupId>
<artifactId>jdbi3-spring4</artifactId>
<version>3.5.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>${junit5.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.22.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.3</version>
<configuration>
<createDependencyReducedPom>true</createDependencyReducedPom>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>org.driftwood.application.DriftwoodService</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.4</version>
<configuration>
<archive>
<manifest>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.7.5.201505241946</version>
<configuration>
<destFile>target/coverage-reports/jacoco-unit.exec</destFile>
<dataFile>target/coverage-reports/jacoco-unit.exec</dataFile>
<excludes>
<exclude>org/driftwood/serializer/**/*</exclude>
</excludes>
</configuration>
<executions>
<execution>
<id>jacoco-initialize</id>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
<execution>
<id>jacoco-site</id>
<phase>package</phase>
<goals>
<goal>report</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
William Herbert
Dec 26, 2019, 12:12:06 AM12/26/19
to dropwizard-user
I was able to resolve this issue. I had to make sure that there was an exclusion for junit in the dropwizard-test dependency.
Then I had to update my test class to import the JUnit5 classes and make sure that the test class was annotated with @ExtendWith(DropwizardExtensionsSupport.class)
This information seems like it should be updated in the documentation, explicitly here:
I will submit a PR to update this.
Regards,
William
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