private List<File> filesToDelete = new ArrayList<>();

    private final String baseFilename;

    private final String fileSuffix;

    private StackTraceElement callerInfo;

    private Thread cleanupWarning;

    private boolean warnAboutCleanup = false;

    public TestFileManager(String baseFilename, String fileSuffix) {
        this.baseFilename = baseFilename;
        this.fileSuffix = fileSuffix;

 * abused as a cache (i.e. for storing values that can be re-calculated) to avoid memory exhaustion.
 * <p>
 * <strong>Note:</strong> Actual implementations must be thread-safe.
 *
 * @see Session#getData()
 * @since 4.0.0
 */
@Experimental
@ThreadSafe
@Provider
public interface SessionData {

    /**
     * Associates the specified session data with the given key.

            }
        };
        injector.bindInstance(Injector.class, injector);
        bind(Injector.class).toInstance(injector);
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        if (classLoader == null) {
            classLoader = getClass().getClassLoader();
        }
        try {
            for (Iterator<URL> it = classLoader

    }

    protected static File getFileForClasspathResource(String resource)
            throws FileNotFoundException, URISyntaxException {
        ClassLoader cloader = Thread.currentThread().getContextClassLoader();

        URL resourceUrl = cloader.getResource(resource);

        if (resourceUrl == null) {
            throw new FileNotFoundException("Unable to find: " + resource);
        }

            }
            if (t instanceof Error) {
                throw (Error) t;
            }
        } finally {
            session.setCurrentProject(null);

            Thread.currentThread().setContextClassLoader(reactorContext.getOriginalContextClassLoader());
        }
    }

        if (metadataFile.length() == 0) {
            if (!metadataFile.delete()) {
                // sleep for 10ms just in case this is windows holding a file lock
                try {
                    Thread.sleep(10);
                } catch (InterruptedException e) {
                    // ignore
                }
                metadataFile.delete(); // if this fails, forget about it, we'll try to overwrite it anyway so no need

        if (logger.isDebugEnabled()) {
            logger.debug("Looking up lifecycle mappings for packaging " + packaging + " from "
                    + Thread.currentThread().getContextClassLoader());
        }

        LifecycleMapping lifecycleMappingForPackaging = lookupLifecycleMapping(packaging);

        if (lifecycleMappingForPackaging == null) {
            return null;

            }

            if (logger.isDebugEnabled()) {
                lifecycleDebugLogger.debugReactorPlan(projectBuilds);
            }

            ClassLoader oldContextClassLoader = Thread.currentThread().getContextClassLoader();
            ReactorBuildStatus reactorBuildStatus = new ReactorBuildStatus(session.getProjectDependencyGraph());

                    exceptions.add(e);
                }
            }
            try {
                return doRead(request);
            } catch (IOException e) {
                exceptions.forEach(e::addSuppressed);
                throw e;
            }
        } else {
            return doRead(request);
        }
    }

    private Path doLocateExistingPom(Path project) {
        if (project == null) {

    }

    protected static File getFileForClasspathResource(String resource)
            throws FileNotFoundException, URISyntaxException {
        ClassLoader cloader = Thread.currentThread().getContextClassLoader();

        URL resourceUrl = cloader.getResource(resource);

        if (resourceUrl == null) {
            throw new FileNotFoundException("Unable to find: " + resource);
        }