Excavator: Upgrades Baseline to the latest version

.baseline/checkstyle/checkstyle.xml

@@ -84,11 +84,13 @@
         <module name="AvoidStarImport"/> <!-- Java Style Guide: No wildcard imports -->
         <module name="AvoidStaticImport"> <!-- Java Style Guide: No static imports -->
             <property name="excludes" value="
+                com.google.common.base.Preconditions.*,
+                com.palantir.logsafe.Preconditions.*,
                 java.util.Collections.*,
                 java.util.stream.Collectors.*,
-                com.palantir.logsafe.Preconditions.*,
-                com.google.common.base.Preconditions.*,
-                org.apache.commons.lang3.Validate.*"/>
+                org.apache.commons.lang3.Validate.*,
+                org.assertj.core.api.Assertions.*,
+                org.mockito.Mockito.*"/>
         </module>
         <module name="ClassTypeParameterName"> <!-- Java Style Guide: Type variable names -->
             <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>

.baseline/spotless/eclipse.xml

@@ -92,6 +92,7 @@
         <setting id="org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_arguments" value="do not insert"/>
         <setting id="org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line" value="false"/>
         <setting id="org.eclipse.jdt.core.formatter.alignment_for_binary_expression" value="80"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_string_concatenation" value="16"/>
         <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_catch_clause" value="common_lines"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_parameterized_type_reference" value="insert"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_array_initializer" value="do not insert"/>

build.gradle

@@ -9,7 +9,7 @@ buildscript {
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
         classpath 'com.netflix.nebula:gradle-dependency-lock-plugin:7.0.1'
         classpath 'com.netflix.nebula:nebula-publishing-plugin:14.0.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:2.7.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:2.19.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:0.12.2'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.1.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:1.12.4'

client-config/src/main/java/com/palantir/conjure/java/client/config/KeepAliveSslSocketFactory.java

@@ -46,6 +46,7 @@ Socket wrap(Socket socket) throws SocketException {
         return socket;
     }
 
+    @Override
     public String toString() {
         return "KeepAliveSslSocketFactory{delegate=" + delegate + '}';
     }

client-config/src/test/java/com/palantir/conjure/java/client/config/ClientConfigurationsTest.java

@@ -101,7 +101,7 @@ public void meshProxy_maxRetriesMustBe0() throws Exception {
 
         ClientConfiguration validConfig = ClientConfigurations.of(meshProxyServiceConfig(uris, 0));
         assertThat(validConfig.meshProxy()).isEqualTo(Optional.of(HostAndPort.fromParts("localhost", 1234)));
-        assertThat(validConfig.maxNumRetries()).isEqualTo(0);
+        assertThat(validConfig.maxNumRetries()).isZero();
     }
 
     @Test

conjure-java-jackson-serialization/src/test/java/com/palantir/conjure/java/serialization/ObjectMappersTest.java

@@ -66,7 +66,7 @@ public void deserializeJdk8ModulePresentOptional() throws IOException {
 
     @Test
     public void deserializeJdk8ModuleAbsentOptional() throws IOException {
-        assertThat(MAPPER.readValue("null", Optional.class)).isEqualTo(Optional.empty());
+        assertThat(MAPPER.readValue("null", Optional.class)).isNotPresent();
     }
 
     @Test

conjure-java-jaxrs-client/src/main/java/com/palantir/conjure/java/client/jaxrs/feignimpl/NeverRetryingBackoffStrategy.java

@@ -23,7 +23,7 @@ public enum NeverRetryingBackoffStrategy implements BackoffStrategy {
     INSTANCE;
 
     @Override
-    public boolean backoff(int numFailedAttempts) {
+    public boolean backoff(int _numFailedAttempts) {
         return false;
     }
 }

conjure-java-jaxrs-client/src/main/java/com/palantir/conjure/java/client/jaxrs/feignimpl/PathTemplateHeaderEnrichmentContract.java

@@ -28,7 +28,7 @@ public PathTemplateHeaderEnrichmentContract(Contract delegate) {
     }
 
     @Override
-    protected void processMetadata(Class<?> targetType, Method method, MethodMetadata metadata) {
+    protected void processMetadata(Class<?> _targetType, Method _method, MethodMetadata metadata) {
         metadata.template()
                 .header(OkhttpTraceInterceptor.PATH_TEMPLATE_HEADER,
                         metadata.template().method() + " "

conjure-java-jaxrs-client/src/main/java/com/palantir/conjure/java/client/jaxrs/feignimpl/PathTemplateHeaderRewriter.java

@@ -28,7 +28,7 @@ public enum PathTemplateHeaderRewriter implements RequestInterceptor {
     INSTANCE;
 
     @Override
-    public void apply(RequestTemplate template) {
+    public void apply(RequestTemplate _template) {
         // nop
     }
 }

conjure-java-jaxrs-client/src/main/java/com/palantir/conjure/java/client/jaxrs/feignimpl/SlashEncodingContract.java

@@ -30,7 +30,7 @@ public SlashEncodingContract(Contract delegate) {
     }
 
     @Override
-    protected void processMetadata(Class<?> targetType, Method method, MethodMetadata metadata) {
+    protected void processMetadata(Class<?> _targetType, Method _method, MethodMetadata metadata) {
         metadata.template().decodeSlash(false);
     }
 }

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/JaxRsClientConfigRefreshTest.java

@@ -50,13 +50,13 @@ public void testConfigRefresh() throws Exception {
         server1.enqueue(new MockResponse().setBody("\"server1\""));
         assertThat(proxy.string()).isEqualTo("server1");
         assertThat(server1.getRequestCount()).isEqualTo(1);
-        assertThat(server2.getRequestCount()).isEqualTo(0);
+        assertThat(server2.getRequestCount()).isZero();
 
         // Call 2
         server1.enqueue(new MockResponse().setBody("\"server1\""));
         assertThat(proxy.string()).isEqualTo("server1");
         assertThat(server1.getRequestCount()).isEqualTo(2);
-        assertThat(server2.getRequestCount()).isEqualTo(0);
+        assertThat(server2.getRequestCount()).isZero();
 
         // Switch config
         refreshableConfig.set(config2);

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/JaxRsClientProxyConfigTest.java

@@ -89,13 +89,13 @@ public void testAuthenticatedProxy() throws Exception {
     private static ProxySelector createProxySelector(String host, int port) {
         return new ProxySelector() {
             @Override
-            public List<Proxy> select(URI uri) {
+            public List<Proxy> select(URI _uri) {
                 InetSocketAddress addr = new InetSocketAddress(host, port);
                 return ImmutableList.of(new Proxy(Proxy.Type.HTTP, addr));
             }
 
             @Override
-            public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {}
+            public void connectFailed(URI _uri, SocketAddress _sa, IOException _ioe) {}
         };
     }
 }

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/TracerTest.java

@@ -145,12 +145,12 @@ private void runTwoRequestsInParallel() {
         ExecutorService executor = Executors.newFixedThreadPool(2);
         CompletableFuture<?> first = CompletableFuture.runAsync(() -> {
             Tracer.initTrace(Optional.of(true), "first");
-            OpenSpan ignored = Tracer.startSpan("");
+            Tracer.startSpan("");
             service.string();
         }, executor);
         CompletableFuture<?> second = CompletableFuture.runAsync(() -> {
             Tracer.initTrace(Optional.of(true), "second");
-            OpenSpan ignored = Tracer.startSpan("");
+            Tracer.startSpan("");
             service.string();
         }, executor);
         first.join();

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/feignimpl/GuavaOptionalAwareDecoderTest.java

@@ -66,7 +66,7 @@ public void testOptional() {
     @Test
     public void testNonOptional() {
         assertThat(service.getNonOptional("something")).isEqualTo(ImmutableMap.of("something", "something"));
-        assertThat(service.getNonOptional(null)).isEqualTo(ImmutableMap.<String, String>of());
+        assertThat(service.getNonOptional(null)).isEmpty();
     }
 
     @Test

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/feignimpl/GuavaTestServer.java

@@ -43,7 +43,7 @@
 
 public class GuavaTestServer extends Application<Configuration> {
     @Override
-    public final void run(Configuration config, final Environment env) throws Exception {
+    public final void run(Configuration _config, final Environment env) throws Exception {
         env.jersey().register(ConjureJerseyFeature.INSTANCE);
         env.jersey().register(new JacksonMessageBodyProvider(ObjectMappers.newServerObjectMapper()));
         env.jersey().register(new TestResource());

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/feignimpl/Java8OptionalAwareDecoderTest.java

@@ -66,7 +66,7 @@ public void testOptional() {
     @Test
     public void testNonOptional() {
         assertThat(service.getNonOptional("something")).isEqualTo(ImmutableMap.of("something", "something"));
-        assertThat(service.getNonOptional(null)).isEqualTo(ImmutableMap.<String, String>of());
+        assertThat(service.getNonOptional(null)).isEmpty();
     }
 
     @Test

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/feignimpl/Java8TestServer.java

@@ -51,7 +51,7 @@
 
 public class Java8TestServer extends Application<Configuration> {
     @Override
-    public final void run(Configuration config, final Environment env) throws Exception {
+    public final void run(Configuration _config, final Environment env) throws Exception {
         env.jersey().register(ConjureJerseyFeature.INSTANCE);
         env.jersey().register(new JacksonMessageBodyProvider(ObjectMappers.newServerObjectMapper()));
         env.jersey().register(new EmptyOptionalTo204ExceptionMapper());
@@ -61,7 +61,7 @@ public final void run(Configuration config, final Environment env) throws Except
     @Provider
     private static final class EmptyOptionalTo204ExceptionMapper implements ExceptionMapper<EmptyOptionalException> {
         @Override
-        public Response toResponse(EmptyOptionalException exception) {
+        public Response toResponse(EmptyOptionalException _exception) {
             return Response.noContent().build();
         }
     }

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/feignimpl/ServiceConfigTest.java

@@ -83,7 +83,7 @@ public void initialize(Bootstrap<ServiceConfigTestAppConfig> bootstrap) {
             }
 
             @Override
-            public void run(ServiceConfigTestAppConfig configuration, Environment environment) throws Exception {
+            public void run(ServiceConfigTestAppConfig _configuration, Environment environment) throws Exception {
                 environment.jersey().register(new Resource());
             }
 

conjure-java-jaxrs-client/src/test/java/com/palantir/conjure/java/client/jaxrs/feignimpl/SlashEncodingContractTest.java

@@ -92,7 +92,7 @@ public interface Service {
 
     public static class Server extends Application<Configuration> {
         @Override
-        public final void run(Configuration config, final Environment env) throws Exception {
+        public final void run(Configuration _config, final Environment env) throws Exception {
             env.jersey().register(resource);
         }
     }

conjure-java-jersey-server/src/test/java/com/palantir/conjure/java/server/jersey/ExceptionMappingTest.java

@@ -140,9 +140,9 @@ public void testServiceException() throws IOException {
 
         Map<String, Object> rawError =
                 ObjectMappers.newClientObjectMapper().readValue(body, new TypeReference<Map<String, Object>>() {});
-        assertThat(rawError.get("errorCode")).isEqualTo(ErrorType.INVALID_ARGUMENT.code().toString());
-        assertThat(rawError.get("errorName")).isEqualTo(ErrorType.INVALID_ARGUMENT.name());
-        assertThat(rawError.get("parameters")).isEqualTo(ImmutableMap.of("arg", "value"));
+        assertThat(rawError).containsEntry("errorCode", ErrorType.INVALID_ARGUMENT.code().toString());
+        assertThat(rawError).containsEntry("errorName", ErrorType.INVALID_ARGUMENT.name());
+        assertThat(rawError).containsEntry("parameters", ImmutableMap.of("arg", "value"));
     }
 
     @Test

conjure-java-retrofit2-client/src/main/java/com/palantir/conjure/java/client/retrofit2/AsyncSerializableErrorCallAdapterFactory.java

@@ -48,7 +48,7 @@ final class AsyncSerializableErrorCallAdapterFactory extends CallAdapter.Factory
     private AsyncSerializableErrorCallAdapterFactory() {}
 
     @Override
-    public CallAdapter<?, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) {
+    public CallAdapter<?, ?> get(Type returnType, Annotation[] _annotations, Retrofit _retrofit) {
         Type outerType = getRawType(returnType);
         if (outerType != CompletableFuture.class && outerType != ListenableFuture.class) {
             return null;
@@ -91,15 +91,15 @@ public boolean cancel(boolean mayInterruptIfRunning) {
         }
 
         @Override
-        public void onResponse(Call<R> call, Response<R> response) {
+        public void onResponse(Call<R> _call, Response<R> response) {
             boolean futureWasCancelled = !set(response.body());
             if (futureWasCancelled) {
                 close(response);
             }
         }
 
         @Override
-        public void onFailure(Call<R> call, Throwable throwable) {
+        public void onFailure(Call<R> _call, Throwable throwable) {
             // TODO(rfink): Would be good to not leak okhttp internals here
             if (throwable instanceof IoRemoteException) {
                 setException(((IoRemoteException) throwable).getWrappedException());
@@ -157,15 +157,15 @@ public boolean cancel(boolean mayInterruptIfRunning) {
 
             call.enqueue(new Callback<R>() {
                 @Override
-                public void onResponse(Call<R> call, Response<R> response) {
+                public void onResponse(Call<R> _call, Response<R> response) {
                     boolean futureWasCancelled = !future.complete(response.body());
                     if (futureWasCancelled) {
                         close(response);
                     }
                 }
 
                 @Override
-                public void onFailure(Call<R> call, Throwable throwable) {
+                public void onFailure(Call<R> _call, Throwable throwable) {
                     // TODO(rfink): Would be good to not leak okhttp internals here
                     if (throwable instanceof IoRemoteException) {
                         future.completeExceptionally(

conjure-java-retrofit2-client/src/main/java/com/palantir/conjure/java/client/retrofit2/OptionalObjectToStringConverterFactory.java

@@ -39,7 +39,7 @@ public final class OptionalObjectToStringConverterFactory extends Converter.Fact
     private OptionalObjectToStringConverterFactory() {}
 
     @Override
-    public Converter<?, String> stringConverter(Type type, Annotation[] annotations, Retrofit retrofit) {
+    public Converter<?, String> stringConverter(Type type, Annotation[] annotations, Retrofit _retrofit) {
         Optional<?> pathQueryAnnotation = ImmutableList.copyOf(annotations)
                 .stream()
                 .map(Annotation::annotationType)

conjure-java-retrofit2-client/src/test/java/com/palantir/conjure/java/client/retrofit2/Retrofit2ClientApiTest.java

@@ -399,12 +399,12 @@ public void async_retrofit_call_should_throw_RemoteException_for_server_serializ
         retrofit2.Call<String> call = service.getRelative();
         call.enqueue(new retrofit2.Callback<String>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<String> _call, Response<String> _response) {
                 failBecauseExceptionWasNotThrown(RemoteException.class);
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable throwable) {
+            public void onFailure(Call<String> _call, Throwable throwable) {
                 assertThat(throwable).isInstanceOf(RemoteException.class);
                 assertThat(((RemoteException) throwable).getError()).isEqualTo(ERROR);
                 assertionsPassed.countDown(); // if you delete this countdown latch then this test will vacuously pass.

conjure-java-retrofit2-client/src/test/java/com/palantir/conjure/java/client/retrofit2/Retrofit2ClientConfigRefreshTest.java

@@ -49,13 +49,13 @@ public void testConfigRefresh() throws Exception {
         server1.enqueue(new MockResponse().setBody("\"server1\""));
         assertThat(proxy.get().execute().body()).isEqualTo("server1");
         assertThat(server1.getRequestCount()).isEqualTo(1);
-        assertThat(server2.getRequestCount()).isEqualTo(0);
+        assertThat(server2.getRequestCount()).isZero();
 
         // Call 2
         server1.enqueue(new MockResponse().setBody("\"server1\""));
         assertThat(proxy.get().execute().body()).isEqualTo("server1");
         assertThat(server1.getRequestCount()).isEqualTo(2);
-        assertThat(server2.getRequestCount()).isEqualTo(0);
+        assertThat(server2.getRequestCount()).isZero();
 
         // Switch config
         refreshableConfig.set(config2);

conjure-java-retrofit2-client/src/test/java/com/palantir/conjure/java/client/retrofit2/Retrofit2ClientFailoverTest.java

@@ -130,12 +130,12 @@ public void testQosError_performsFailover_forAsynchronousOperation(
         CompletableFuture<String> future = new CompletableFuture<>();
         proxy.get().enqueue(new Callback<String>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<String> _call, Response<String> response) {
                 future.complete(response.body());
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable throwable) {
+            public void onFailure(Call<String> _call, Throwable throwable) {
                 future.completeExceptionally(throwable);
             }
         });
@@ -215,12 +215,12 @@ public void testQosError_performsRetryWithOneNode_forAsynchronousOperation() thr
         CompletableFuture<String> future = new CompletableFuture<>();
         anotherProxy.get().enqueue(new Callback<String>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<String> _call, Response<String> response) {
                 future.complete(response.body());
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable throwable) {
+            public void onFailure(Call<String> _call, Throwable throwable) {
                 future.completeExceptionally(throwable);
             }
         });
@@ -247,12 +247,12 @@ public void testQosError_performsRetryWithOneNodeAndCache_forAsynchronousOperati
         CompletableFuture<String> future = new CompletableFuture<>();
         anotherProxy.get().enqueue(new Callback<String>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<String> _call, Response<String> response) {
                 future.complete(response.body());
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable throwable) {
+            public void onFailure(Call<String> _call, Throwable throwable) {
                 future.completeExceptionally(throwable);
             }
         });

conjure-java-retrofit2-client/src/test/java/com/palantir/conjure/java/client/retrofit2/Retrofit2ClientProxyTest.java

@@ -89,13 +89,13 @@ public void testAuthenticatedProxy() throws Exception {
     private static ProxySelector createProxySelector(String host, int port) {
         return new ProxySelector() {
             @Override
-            public List<Proxy> select(URI uri) {
+            public List<Proxy> select(URI _uri) {
                 InetSocketAddress addr = new InetSocketAddress(host, port);
                 return ImmutableList.of(new Proxy(Proxy.Type.HTTP, addr));
             }
 
             @Override
-            public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {}
+            public void connectFailed(URI _uri, SocketAddress _sa, IOException _ioe) {}
         };
     }
 }

conjure-java-server-verifier/src/test/java/com/palantir/verification/server/AutoDeserializeTest.java

@@ -36,12 +36,13 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
-import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 @RunWith(Parameterized.class)
 public class AutoDeserializeTest {
-    private static final Logger log = LoggerFactory.getLogger(AutoDeserializeTest.class);
+    static {
+        LoggerFactory.getLogger(AutoDeserializeTest.class);
+    }
 
     @ClassRule
     public static final DropwizardAppRule<Configuration> serverUnderTestRule = new DropwizardAppRule<>(

conjure-java-server-verifier/src/test/java/com/palantir/verification/server/undertest/ServerUnderTestApplication.java

@@ -44,7 +44,7 @@ public void initialize(Bootstrap<Configuration> bootstrap) {
     }
 
     @Override
-    public void run(Configuration configuration, Environment environment) {
+    public void run(Configuration _configuration, Environment environment) {
         environment.jersey()
                 .register(
                         Reflection.newProxy(AutoDeserializeService.class, new EchoResourceInvocationHandler()));
@@ -59,7 +59,7 @@ public void run(Configuration configuration, Environment environment) {
      */
     static class EchoResourceInvocationHandler extends AbstractInvocationHandler {
         @Override
-        protected Object handleInvocation(Object proxy, Method method, Object[] args) {
+        protected Object handleInvocation(Object _proxy, Method method, Object[] args) {
             Preconditions.checkArgument(args.length == 1, "Expected single argument. Method: %s", method);
             return args[0];
         }

keystores/src/test/java/com/palantir/conjure/java/config/ssl/KeyStoresTests.java

@@ -66,7 +66,7 @@ public void testCreateTrustStoreFromEmptyDirectory() throws GeneralSecurityExcep
         File certFolder = tempFolder.newFolder();
         KeyStore trustStore = KeyStores.createTrustStoreFromCertificates(certFolder.toPath());
 
-        assertThat(trustStore.size()).isEqualTo(0);
+        assertThat(trustStore.size()).isZero();
     }
 
     @Test
@@ -75,7 +75,7 @@ public void testCreateTrustStoreFromDirectoryIgnoresHiddenFiles() throws IOExcep
         Files.copy(TestConstants.CA_DER_CERT_PATH.toFile(), certFolder.toPath().resolve(".hidden_file").toFile());
         KeyStore trustStore = KeyStores.createTrustStoreFromCertificates(certFolder.toPath());
 
-        assertThat(trustStore.size()).isEqualTo(0);
+        assertThat(trustStore.size()).isZero();
     }
 
     @Test
@@ -167,7 +167,7 @@ public void testCreateKeyStoreFromEmptyDirectory() throws GeneralSecurityExcepti
         File keyFolder = tempFolder.newFolder();
         KeyStore trustStore = KeyStores.createKeyStoreFromCombinedPems(keyFolder.toPath(), "changeit");
 
-        assertThat(trustStore.size()).isEqualTo(0);
+        assertThat(trustStore.size()).isZero();
     }
 
     @Test

keystores/src/test/java/com/palantir/conjure/java/config/ssl/pkcs1/Pkcs1ReadersTests.java

@@ -31,7 +31,7 @@ public final class Pkcs1ReadersTests {
     public void testReadPrivateKeyFailsIfNoProvidersPresent() throws IOException {
         Assume.assumeFalse(ServiceLoader.load(Pkcs1Reader.class).iterator().hasNext());
 
-        assertThatThrownBy(() -> Pkcs1Readers.getInstance())
+        assertThatThrownBy(Pkcs1Readers::getInstance)
                 .isInstanceOf(IllegalStateException.class)
                 .hasMessageContaining("No Pkcs1Reader services were present");
     }

okhttp-clients/src/test/java/com/palantir/conjure/java/okhttp/HostMetricsTest.java

@@ -90,7 +90,7 @@ public void testUpdateMetricUpdatesMeter_other() {
 
     private void testUpdateMetricUpdatesMeter(int statusCode, Timer timer) {
         assertThat(timer.getCount()).isZero();
-        assertThat(timer.getSnapshot().getMin()).isEqualTo(0);
+        assertThat(timer.getSnapshot().getMin()).isZero();
 
         hostMetrics.record(statusCode, 1);
 

okhttp-clients/src/test/java/com/palantir/conjure/java/okhttp/InstrumentedInterceptorTest.java

@@ -85,7 +85,7 @@ public void testResponseMetricRegistered() throws IOException {
                 .build();
         Timer timer = registry.timer(name);
 
-        assertThat(timer.getCount()).isEqualTo(0);
+        assertThat(timer.getCount()).isZero();
 
         successfulRequest(REQUEST_A);
         interceptor.intercept(chain);

okhttp-clients/src/test/java/com/palantir/conjure/java/okhttp/LeakDetectorTest.java

@@ -45,7 +45,7 @@ public void canUnregister() {
         String track = UUID.randomUUID().toString();
         leakDetector.register(track, Optional.empty());
         leakDetector.unregister(track);
-        track = null;
+
         System.gc();
         leakDetector.register("trigger", Optional.empty());
         assertThat(leaks).isEmpty();

okhttp-clients/src/test/java/com/palantir/conjure/java/okhttp/OkHttpClientsTest.java

@@ -123,12 +123,12 @@ public void cancelCall() {
         }
 
         @Override
-        public void onFailure(Call unused, IOException exception) {
+        public void onFailure(Call _value, IOException exception) {
             setException(exception);
         }
 
         @Override
-        public void onResponse(Call unused, Response response) {
+        public void onResponse(Call _value, Response response) {
             set(response);
         }
 
@@ -253,10 +253,10 @@ public void handlesSuccessfulResponseCodesWithSuccessHandler() throws Exception
             CountDownLatch wasSuccessful = new CountDownLatch(1);
             call.enqueue(new Callback() {
                 @Override
-                public void onFailure(Call call, IOException exception) {}
+                public void onFailure(Call _call, IOException _exception) {}
 
                 @Override
-                public void onResponse(Call call, Response response) throws IOException {
+                public void onResponse(Call _call, Response response) throws IOException {
                     if (response.code() == code) {
                         wasSuccessful.countDown();
                     }
@@ -275,12 +275,12 @@ public void successfulCallDoesNotInvokeFailureHandler() throws Exception {
         Semaphore successHandlerExecuted = new Semaphore(0);
         call.enqueue(new Callback() {
             @Override
-            public void onFailure(Call call, IOException ioException) {
+            public void onFailure(Call _call, IOException _ioException) {
                 failureHandlerExecuted.release(); // should never happen
             }
 
             @Override
-            public void onResponse(Call call, Response response) throws IOException {
+            public void onResponse(Call _call, Response _response) throws IOException {
                 successHandlerExecuted.release();
             }
         });
@@ -299,12 +299,12 @@ public void unsuccessfulCallDoesNotInvokeSuccessHandler() throws Exception {
         Semaphore successHandlerExecuted = new Semaphore(0);
         call.enqueue(new Callback() {
             @Override
-            public void onFailure(Call call, IOException ioException) {
+            public void onFailure(Call _call, IOException _ioException) {
                 failureHandlerExecuted.release();
             }
 
             @Override
-            public void onResponse(Call call, Response response) throws IOException {
+            public void onResponse(Call _call, Response _response) throws IOException {
                 successHandlerExecuted.release(); // should never happen
             }
         });
@@ -498,12 +498,12 @@ public void handlesQosExceptions_asyncCall() throws Exception {
         CompletableFuture<String> future = new CompletableFuture<>();
         call.enqueue(new Callback() {
             @Override
-            public void onFailure(Call call, IOException ioException) {
+            public void onFailure(Call _call, IOException ioException) {
                 future.completeExceptionally(ioException);
             }
 
             @Override
-            public void onResponse(Call call, Response response) throws IOException {
+            public void onResponse(Call _call, Response response) throws IOException {
                 future.complete(response.body().string());
             }
         });
@@ -639,7 +639,7 @@ public void handlesIoExceptions_obeysMaxNumRetries() throws Exception {
                 .hasLogMessage("Failed to complete the request due to an IOException")
                 .hasExactlyArgs(UnsafeArg.of("requestUrl", url2 + "/foo?bar"));
 
-        assertThat(server3.getRequestCount()).isEqualTo(0);
+        assertThat(server3.getRequestCount()).isZero();
     }
 
     @Test
@@ -902,12 +902,12 @@ public void non_ioexceptions_dont_break_the_world() throws IOException {
 
         HostEventsSink throwingSink = new HostEventsSink() {
             @Override
-            public void record(String serviceName, String hostname, int port, int statusCode, long micros) {
+            public void record(String _serviceName, String _hostname, int _port, int _statusCode, long _micros) {
                 throw new IllegalStateException("I am not an IOException");
             }
 
             @Override
-            public void recordIoException(String serviceName, String hostname, int port) {
+            public void recordIoException(String _serviceName, String _hostname, int _port) {
                 //empty;
             }
         };