assertSuggestsReviewingAlgorithm()
        assertSuggestsViewingDocs("No matching variant errors are explained in more detail at https://docs.gradle.org/${GradleVersion.current().version}/userguide/variant_model.html#sub:variant-no-match.")
    }

    @ToBeFixedForConfigurationCache
    def "demonstrate no matching graph variants selection failure for externalDep"() {
        noMatchingGraphVariantsForExternalDep.prepare()

    @Override
    <S extends T> DomainObjectSet<S> withType(Class<S> type);

    /**
     * {@inheritDoc}
     */
    @Override
    DomainObjectSet<T> matching(Spec<? super T> spec);

    /**
     * {@inheritDoc}
     */
    @Override
    DomainObjectSet<T> matching(Closure spec);

    /**
     * {@inheritDoc}
     */
    @Override
    Set<T> findAll(Closure spec);

        ])
        result.size() == 1
    }

    def "can parse output with no installations"() {
        given:
        def output = """
Unable to find any JVMs matching version "(null)".
Matching Java Virtual Machines (0):

Default Java Virtual Machines (0):

No Java runtime present, try --request to install.
"""
        when:

	test.TestWatch(
		validNewConfigMap(),
		// matching labels
		[]labels.Set{
			{"label-1": "value-1"},
			{"label-2": "value-2"},
		},
		// not matching labels
		[]labels.Set{
			{"foo": "bar"},
		},
		// matching fields
		[]fields.Set{
			{"metadata.namespace": "default"},
			{"metadata.name": "foo"},
		},
		// not matching fields
		[]fields.Set{
			{"metadata.name": "bar"},

	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/apimachinery/pkg/util/sets"
	"k8s.io/apiserver/pkg/admission"
	"k8s.io/apiserver/pkg/admission/initializer"
	"k8s.io/apiserver/pkg/admission/plugin/policy/matching"
	"k8s.io/apiserver/pkg/authorization/authorizer"
	"k8s.io/client-go/dynamic"
	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
)

   > Failed to calculate the value of task ':compileJava' property 'javaCompiler'.
      > Cannot find a Java installation on your machine matching this tasks requirements: {languageVersion=11, vendor=matching('customString'), implementation=vendor-specific} for %OS% on %ARCH%.

/**
 * Returns a collection containing the objects in this collection of the given type. The
 * returned collection is live, so that when matching objects are later added to this
 * collection, they are also visible in the filtered collection.
 *
 * @param S The type of objects to find.
 * @return The matching objects. Returns an empty collection if there are no such objects
 * in this collection.
 * @see [DomainObjectCollection.withType]
 */

	"syscall"
	"time"
)

// The channel used to read SIGIO signals.
var sigioChan chan os.Signal

// CatchSIGIO starts catching SIGIO signals.
//
//export CatchSIGIO
func CatchSIGIO() {
	sigioChan = make(chan os.Signal, 1)
	signal.Notify(sigioChan, syscall.SIGIO)
}

// ResetSIGIO stops catching SIGIO signals.
//
//export ResetSIGIO
func ResetSIGIO() {
	signal.Reset(syscall.SIGIO)
}

                    }
                    FileSystemWatchingStatistics statisticsSinceLastBuild;
                    if (watchRegistry == null) {
                        if (couldDetectUnsupportedFileSystems) {
                            context.setStatus("Starting file system watching");

[[finding_problems]]
== Finding problems with task output caching

Below we describe a step-by-step process that should help shake out any problems with caching in your build.

=== Ensure incremental build works

First, make sure your build does the right thing without the cache.