* e.g running mvn site:run will cause Jetty to fail.
     * </p>
     * <p>
     * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in
     * http://cwiki.apache.org/confluence/display/MAVEN/ConnectException
     * </p>
     */
    @Test
    void testJdk7ipv6() {
        ConnectException connEx = new ConnectException("Connection refused: connect");

            val available = readBoolean()
            if (available) {
                val value = read()
                // TODO - restore the correct display name when the container is attached to its owner (rather than writing the display name to the cache)
                calculatedValueContainerFactory.create(Describables.of("unknown value"), value as Any)
            } else {

import java.util.UUID


class ConfigurationCacheBuildOperationsTest {
    @JvmField
    @Rule
    val testDirectoryProvider = TestNameTestDirectoryProvider(javaClass)

    @Test
    fun `sets progress display name on store`() {
        // given:
        val buildOperationRunner = mock<BuildOperationRunner> {
            on { call<Unit>(any()) } doReturn Unit
        }
        val stateFile = testDirectoryProvider.file("stateFile")

        def knownDefinition = KNOWN_DEFINITIONS[problem.definition.id.fqid]
        assert knownDefinition != null : "Unknown problem id: ${definition.id.fqid}"
        assert knownDefinition == definition.id.displayName : "Unexpected display name for problem: ${definition.id.fqid}. Expected=${knownDefinition}, actual=${definition.id.displayName}"

        def groupFqid = groupOf(definition.id.fqid)
        while (groupFqid != null) {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gradle.api.tasks.diagnostics;

import org.gradle.work.DisableCachingByDefault;

/**
 * Displays the dependency tree for a project. An instance of this type is used when you
 * execute the {@code dependencies} task from the command-line.
 */
@DisableCachingByDefault(because = "Not worth caching")

import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

/**
 * Displays the dependency tree for a configuration.
 */
@DisableCachingByDefault(because = "Abstract super-class, not to be instantiated directly")