Example usage for org.apache.hadoop.mapreduce MRJobConfig USER_NAME

List of usage examples for org.apache.hadoop.mapreduce MRJobConfig USER_NAME

  1. HOME
  2. Java
  3. org.apache.hadoop
  4. org.apache.hadoop.mapreduce.*
  5. MRJobConfig
  6. USER_NAME

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce MRJobConfig USER_NAME.

Prototype

String USER_NAME

To view the source code for org.apache.hadoop.mapreduce MRJobConfig USER_NAME.

Click Source Link

Usage

From source file:ml.shifu.guagua.yarn.GuaguaAppMaster.java

License:Apache License

/**
 * Application entry point//from w w w .ja  v a  2 s.  co  m
 * 
 * @param args
 *            command-line args (set by GuaguaYarnClient, if any)
 */
public static void main(final String[] args) {
    LOG.info("Starting GuaguaAppMaster. ");
    String containerIdString = System.getenv().get(Environment.CONTAINER_ID.name());
    if (containerIdString == null) {
        // container id should always be set in the env by the framework
        throw new IllegalArgumentException("ContainerId not found in env vars.");
    }
    ContainerId containerId = ConverterUtils.toContainerId(containerIdString);
    ApplicationAttemptId appAttemptId = containerId.getApplicationAttemptId();
    Configuration conf = new YarnConfiguration();
    String jobUserName = System.getenv(ApplicationConstants.Environment.USER.name());
    conf.set(MRJobConfig.USER_NAME, jobUserName);
    try {
        UserGroupInformation.setConfiguration(conf);
        // Security framework already loaded the tokens into current UGI, just use them
        Credentials credentials = UserGroupInformation.getCurrentUser().getCredentials();
        LOG.info("Executing with tokens:");
        for (Token<?> token : credentials.getAllTokens()) {
            LOG.info(token.toString());
        }

        UserGroupInformation appMasterUgi = UserGroupInformation.createRemoteUser(jobUserName);
        appMasterUgi.addCredentials(credentials);

        // Now remove the AM->RM token so tasks don't have it
        Iterator<Token<?>> iter = credentials.getAllTokens().iterator();
        while (iter.hasNext()) {
            Token<?> token = iter.next();
            if (token.getKind().equals(AMRMTokenIdentifier.KIND_NAME)) {
                iter.remove();
            }
        }

        final GuaguaAppMaster appMaster = new GuaguaAppMaster(containerId, appAttemptId, conf);
        appMasterUgi.doAs(new PrivilegedAction<Void>() {
            @Override
            public Void run() {
                boolean result = false;
                try {
                    result = appMaster.run();
                } catch (Throwable t) {
                    LOG.error("GuaguaAppMaster caught a top-level exception in main.", t);
                    System.exit(1);
                }

                if (result) {
                    LOG.info("Guagua Application Master completed successfully. exiting");
                    System.exit(0);
                } else {
                    LOG.info("Guagua Application Master failed. exiting");
                    System.exit(2);
                }
                return null;
            }
        });

    } catch (Throwable t) {
        LOG.error("GuaguaAppMaster caught a top-level exception in main.", t);
        System.exit(1);
    }
}

From source file:ml.shifu.guagua.yarn.GuaguaYarnTask.java

License:Apache License

public static void main(String[] args) {
    LOG.info("args:{}", Arrays.toString(args));
    if (args.length != 7) {
        throw new IllegalStateException(String.format(
                "GuaguaYarnTask could not construct a TaskAttemptID for the Guagua job from args: %s",
                Arrays.toString(args)));
    }/*from  ww w  .j a  v  a2 s .co  m*/

    String containerIdString = System.getenv().get(Environment.CONTAINER_ID.name());
    if (containerIdString == null) {
        // container id should always be set in the env by the framework
        throw new IllegalArgumentException("ContainerId not found in env vars.");
    }
    ContainerId containerId = ConverterUtils.toContainerId(containerIdString);
    ApplicationAttemptId appAttemptId = containerId.getApplicationAttemptId();

    try {
        Configuration conf = new YarnConfiguration();
        String jobUserName = System.getenv(ApplicationConstants.Environment.USER.name());
        conf.set(MRJobConfig.USER_NAME, jobUserName);
        UserGroupInformation.setConfiguration(conf);
        // Security framework already loaded the tokens into current UGI, just use them
        Credentials credentials = UserGroupInformation.getCurrentUser().getCredentials();
        LOG.info("Executing with tokens:");
        for (Token<?> token : credentials.getAllTokens()) {
            LOG.info(token.toString());
        }

        UserGroupInformation appTaskUGI = UserGroupInformation.createRemoteUser(jobUserName);
        appTaskUGI.addCredentials(credentials);
        @SuppressWarnings("rawtypes")
        final GuaguaYarnTask<?, ?> guaguaYarnTask = new GuaguaYarnTask(appAttemptId, containerId,
                Integer.parseInt(args[args.length - 3]), args[args.length - 2], args[args.length - 1], conf);
        appTaskUGI.doAs(new PrivilegedAction<Void>() {
            @Override
            public Void run() {
                guaguaYarnTask.run();
                return null;
            }
        });
    } catch (Throwable t) {
        LOG.error("GuaguaYarnTask threw a top-level exception, failing task", t);
        System.exit(2);
    }
    System.exit(0);
}

From source file:org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem.java

License:Apache License

/** {@inheritDoc} */
@SuppressWarnings("ConstantConditions")
@Override//  w ww.  j a  v  a 2 s  . com
public void initialize(URI name, Configuration cfg) throws IOException {
    enterBusy();

    try {
        if (rmtClient != null)
            throw new IOException("File system is already initialized: " + rmtClient);

        A.notNull(name, "name");
        A.notNull(cfg, "cfg");

        super.initialize(name, cfg);

        setConf(cfg);

        String disableCacheName = String.format("fs.%s.impl.disable.cache", name.getScheme());

        cacheEnabled = !cfg.getBoolean(disableCacheName, false);

        mgmt = cfg.getBoolean(IGFS_MANAGEMENT, false);

        if (!IGFS_SCHEME.equals(name.getScheme()))
            throw new IOException("Illegal file system URI [expected=" + IGFS_SCHEME
                    + "://[name]/[optional_path], actual=" + name + ']');

        uri = name;

        uriAuthority = uri.getAuthority();

        setUser(cfg.get(MRJobConfig.USER_NAME, DFLT_USER_NAME));

        // Override sequential reads before prefetch if needed.
        seqReadsBeforePrefetch = parameter(cfg, PARAM_IGFS_SEQ_READS_BEFORE_PREFETCH, uriAuthority, 0);

        if (seqReadsBeforePrefetch > 0)
            seqReadsBeforePrefetchOverride = true;

        // In Ignite replication factor is controlled by data cache affinity.
        // We use replication factor to force the whole file to be stored on local node.
        dfltReplication = (short) cfg.getInt("dfs.replication", 3);

        // Get file colocation control flag.
        colocateFileWrites = parameter(cfg, PARAM_IGFS_COLOCATED_WRITES, uriAuthority, false);
        preferLocFileWrites = cfg.getBoolean(PARAM_IGFS_PREFER_LOCAL_WRITES, false);

        // Get log directory.
        String logDirCfg = parameter(cfg, PARAM_IGFS_LOG_DIR, uriAuthority, DFLT_IGFS_LOG_DIR);

        File logDirFile = U.resolveIgnitePath(logDirCfg);

        String logDir = logDirFile != null ? logDirFile.getAbsolutePath() : null;

        rmtClient = new HadoopIgfsWrapper(uriAuthority, logDir, cfg, LOG);

        // Handshake.
        IgfsHandshakeResponse handshake = rmtClient.handshake(logDir);

        igfsGrpBlockSize = handshake.blockSize();

        IgfsPaths paths = handshake.secondaryPaths();

        // Initialize client logger.
        Boolean logEnabled = parameter(cfg, PARAM_IGFS_LOG_ENABLED, uriAuthority, false);

        if (handshake.sampling() != null ? handshake.sampling() : logEnabled) {
            // Initiate client logger.
            if (logDir == null)
                throw new IOException("Failed to resolve log directory: " + logDirCfg);

            Integer batchSize = parameter(cfg, PARAM_IGFS_LOG_BATCH_SIZE, uriAuthority,
                    DFLT_IGFS_LOG_BATCH_SIZE);

            clientLog = IgfsLogger.logger(uriAuthority, handshake.igfsName(), logDir, batchSize);
        } else
            clientLog = IgfsLogger.disabledLogger();

        modeRslvr = new IgfsModeResolver(paths.defaultMode(), paths.pathModes());

        boolean initSecondary = paths.defaultMode() == PROXY;

        if (!initSecondary && paths.pathModes() != null && !paths.pathModes().isEmpty()) {
            for (T2<IgfsPath, IgfsMode> pathMode : paths.pathModes()) {
                IgfsMode mode = pathMode.getValue();

                if (mode == PROXY) {
                    initSecondary = true;

                    break;
                }
            }
        }

        if (initSecondary) {
            Map<String, String> props = paths.properties();

            String secUri = props.get(SECONDARY_FS_URI);
            String secConfPath = props.get(SECONDARY_FS_CONFIG_PATH);
            String secUserName = props.get(SECONDARY_FS_USER_NAME);

            try {
                SecondaryFileSystemProvider secProvider = new SecondaryFileSystemProvider(secUri, secConfPath,
                        secUserName);

                secondaryFs = secProvider.createFileSystem();
                secondaryUri = secProvider.uri();
            } catch (IOException e) {
                if (!mgmt)
                    throw new IOException("Failed to connect to the secondary file system: " + secUri, e);
                else
                    LOG.warn(
                            "Visor failed to create secondary file system (operations on paths with PROXY mode "
                                    + "will have no effect): " + e.getMessage());
            }
        }
    } finally {
        leaveBusy();
    }
}

From source file:org.apache.ignite.hadoop.fs.v2.IgniteHadoopFileSystem.java

License:Apache License

/**
 * @param name URI for file system./*w w  w  .  j a  v  a  2  s  . c  om*/
 * @param cfg Configuration.
 * @throws URISyntaxException if name has invalid syntax.
 * @throws IOException If initialization failed.
 */
public IgniteHadoopFileSystem(URI name, Configuration cfg) throws URISyntaxException, IOException {
    super(HadoopIgfsEndpoint.normalize(name), IGFS_SCHEME, false, -1);

    uri = name;

    try {
        initialize(name, cfg);
    } catch (IOException e) {
        // Close client if exception occurred.
        if (rmtClient != null)
            rmtClient.close(false);

        throw e;
    }

    workingDir = new IgfsPath("/user/" + cfg.get(MRJobConfig.USER_NAME, DFLT_USER_NAME));
}

From source file:org.apache.ignite.igfs.hadoop.v1.IgfsHadoopFileSystem.java

License:Apache License

/** {@inheritDoc} */
@Override/*  w w  w .java 2  s.c  o m*/
public void initialize(URI name, Configuration cfg) throws IOException {
    enterBusy();

    try {
        if (rmtClient != null)
            throw new IOException("File system is already initialized: " + rmtClient);

        A.notNull(name, "name");
        A.notNull(cfg, "cfg");

        super.initialize(name, cfg);

        setConf(cfg);

        String disableCacheName = String.format("fs.%s.impl.disable.cache", name.getScheme());

        cacheEnabled = !cfg.getBoolean(disableCacheName, false);

        mgmt = cfg.getBoolean(IGFS_MANAGEMENT, false);

        if (!IGFS_SCHEME.equals(name.getScheme()))
            throw new IOException("Illegal file system URI [expected=" + IGFS_SCHEME
                    + "://[name]/[optional_path], actual=" + name + ']');

        uri = name;

        uriAuthority = uri.getAuthority();

        setUser(cfg.get(MRJobConfig.USER_NAME, DFLT_USER_NAME));

        // Override sequential reads before prefetch if needed.
        seqReadsBeforePrefetch = parameter(cfg, PARAM_IGFS_SEQ_READS_BEFORE_PREFETCH, uriAuthority, 0);

        if (seqReadsBeforePrefetch > 0)
            seqReadsBeforePrefetchOverride = true;

        // In GG replication factor is controlled by data cache affinity.
        // We use replication factor to force the whole file to be stored on local node.
        dfltReplication = (short) cfg.getInt("dfs.replication", 3);

        // Get file colocation control flag.
        colocateFileWrites = parameter(cfg, PARAM_IGFS_COLOCATED_WRITES, uriAuthority, false);
        preferLocFileWrites = cfg.getBoolean(PARAM_IGFS_PREFER_LOCAL_WRITES, false);

        // Get log directory.
        String logDirCfg = parameter(cfg, PARAM_IGFS_LOG_DIR, uriAuthority, DFLT_IGFS_LOG_DIR);

        File logDirFile = U.resolveIgnitePath(logDirCfg);

        String logDir = logDirFile != null ? logDirFile.getAbsolutePath() : null;

        rmtClient = new IgfsHadoopWrapper(uriAuthority, logDir, cfg, LOG);

        // Handshake.
        IgfsHandshakeResponse handshake = rmtClient.handshake(logDir);

        igfsGrpBlockSize = handshake.blockSize();

        IgfsPaths paths = handshake.secondaryPaths();

        // Initialize client logger.
        Boolean logEnabled = parameter(cfg, PARAM_IGFS_LOG_ENABLED, uriAuthority, false);

        if (handshake.sampling() != null ? handshake.sampling() : logEnabled) {
            // Initiate client logger.
            if (logDir == null)
                throw new IOException("Failed to resolve log directory: " + logDirCfg);

            Integer batchSize = parameter(cfg, PARAM_IGFS_LOG_BATCH_SIZE, uriAuthority,
                    DFLT_IGFS_LOG_BATCH_SIZE);

            clientLog = IgfsLogger.logger(uriAuthority, handshake.igfsName(), logDir, batchSize);
        } else
            clientLog = IgfsLogger.disabledLogger();

        modeRslvr = new IgfsModeResolver(paths.defaultMode(), paths.pathModes());

        boolean initSecondary = paths.defaultMode() == PROXY;

        if (paths.pathModes() != null && !paths.pathModes().isEmpty()) {
            for (T2<IgfsPath, IgfsMode> pathMode : paths.pathModes()) {
                IgfsMode mode = pathMode.getValue();

                initSecondary |= mode == PROXY;
            }
        }

        if (initSecondary) {
            Map<String, String> props = paths.properties();

            String secUri = props.get(IgfsHadoopFileSystemWrapper.SECONDARY_FS_URI);
            String secConfPath = props.get(IgfsHadoopFileSystemWrapper.SECONDARY_FS_CONFIG_PATH);

            if (secConfPath == null)
                throw new IOException("Failed to connect to the secondary file system because configuration "
                        + "path is not provided.");

            if (secUri == null)
                throw new IOException(
                        "Failed to connect to the secondary file system because URI is not " + "provided.");

            try {
                secondaryUri = new URI(secUri);

                URL secondaryCfgUrl = U.resolveIgniteUrl(secConfPath);

                Configuration conf = new Configuration();

                if (secondaryCfgUrl != null)
                    conf.addResource(secondaryCfgUrl);

                String prop = String.format("fs.%s.impl.disable.cache", secondaryUri.getScheme());

                conf.setBoolean(prop, true);

                secondaryFs = FileSystem.get(secondaryUri, conf);
            } catch (URISyntaxException ignore) {
                if (!mgmt)
                    throw new IOException("Failed to resolve secondary file system URI: " + secUri);
                else
                    LOG.warn(
                            "Visor failed to create secondary file system (operations on paths with PROXY mode "
                                    + "will have no effect).");
            } catch (IOException e) {
                if (!mgmt)
                    throw new IOException("Failed to connect to the secondary file system: " + secUri, e);
                else
                    LOG.warn(
                            "Visor failed to create secondary file system (operations on paths with PROXY mode "
                                    + "will have no effect): " + e.getMessage());
            }
        }
    } finally {
        leaveBusy();
    }
}

From source file:org.apache.ignite.igfs.hadoop.v2.IgfsHadoopFileSystem.java

License:Apache License

/**
 * @param name URI for file system./*from  w  w w  . j a  va  2s  .c o m*/
 * @param cfg Configuration.
 * @throws URISyntaxException if name has invalid syntax.
 * @throws IOException If initialization failed.
 */
public IgfsHadoopFileSystem(URI name, Configuration cfg) throws URISyntaxException, IOException {
    super(IgfsHadoopEndpoint.normalize(name), IGFS_SCHEME, false, -1);

    uri = name;

    try {
        initialize(name, cfg);
    } catch (IOException e) {
        // Close client if exception occurred.
        if (rmtClient != null)
            rmtClient.close(false);

        throw e;
    }

    workingDir = new IgfsPath("/user/" + cfg.get(MRJobConfig.USER_NAME, DFLT_USER_NAME));
}

From source file:org.apache.ignite.internal.processors.hadoop.fs.GridHadoopDistributedFileSystem.java

License:Apache License

/** {@inheritDoc} */
@Override//from   w  w w .j  a v a 2 s .  c  om
public void initialize(URI uri, Configuration conf) throws IOException {
    super.initialize(uri, conf);

    setUser(conf.get(MRJobConfig.USER_NAME, DFLT_USER_NAME));
}

From source file:org.apache.ignite.internal.processors.hadoop.fs.HadoopFileSystemCacheUtils.java

License:Apache License

/**
 * Gets non-null user name as per the Hadoop viewpoint.
 * @param cfg the Hadoop job configuration, may be null.
 * @return the user name, never null./*from ww w. j  a v a2 s.c  o  m*/
 */
private static String getMrHadoopUser(Configuration cfg) throws IOException {
    String user = cfg.get(MRJobConfig.USER_NAME);

    if (user == null)
        user = IgniteHadoopFileSystem.getFsHadoopUser();

    return user;
}

From source file:org.apache.ignite.internal.processors.hadoop.GridHadoopFileSystemsTest.java

License:Apache License

/**
 * Test the file system with specified URI for the multi-thread working directory support.
 *
 * @param uri Base URI of the file system (scheme and authority).
 * @throws Exception If fails./*from   w w w. jav  a 2s .c  o m*/
 */
private void testFileSystem(final URI uri) throws Exception {
    final Configuration cfg = new Configuration();

    setupFileSystems(cfg);

    cfg.set(GridHadoopFileSystemsUtils.LOC_FS_WORK_DIR_PROP,
            new Path(new Path(uri), "user/" + System.getProperty("user.name")).toString());

    final CountDownLatch changeUserPhase = new CountDownLatch(THREAD_COUNT);
    final CountDownLatch changeDirPhase = new CountDownLatch(THREAD_COUNT);
    final CountDownLatch changeAbsDirPhase = new CountDownLatch(THREAD_COUNT);
    final CountDownLatch finishPhase = new CountDownLatch(THREAD_COUNT);

    final Path[] newUserInitWorkDir = new Path[THREAD_COUNT];
    final Path[] newWorkDir = new Path[THREAD_COUNT];
    final Path[] newAbsWorkDir = new Path[THREAD_COUNT];
    final Path[] newInstanceWorkDir = new Path[THREAD_COUNT];

    final AtomicInteger threadNum = new AtomicInteger(0);

    GridTestUtils.runMultiThreadedAsync(new Runnable() {
        @Override
        public void run() {
            try {
                int curThreadNum = threadNum.getAndIncrement();

                FileSystem fs = FileSystem.get(uri, cfg);

                GridHadoopFileSystemsUtils.setUser(fs, "user" + curThreadNum);

                if ("file".equals(uri.getScheme()))
                    FileSystem.get(uri, cfg).setWorkingDirectory(new Path("file:///user/user" + curThreadNum));

                changeUserPhase.countDown();
                changeUserPhase.await();

                newUserInitWorkDir[curThreadNum] = FileSystem.get(uri, cfg).getWorkingDirectory();

                FileSystem.get(uri, cfg).setWorkingDirectory(new Path("folder" + curThreadNum));

                changeDirPhase.countDown();
                changeDirPhase.await();

                newWorkDir[curThreadNum] = FileSystem.get(uri, cfg).getWorkingDirectory();

                FileSystem.get(uri, cfg).setWorkingDirectory(new Path("/folder" + curThreadNum));

                changeAbsDirPhase.countDown();
                changeAbsDirPhase.await();

                newAbsWorkDir[curThreadNum] = FileSystem.get(uri, cfg).getWorkingDirectory();

                newInstanceWorkDir[curThreadNum] = FileSystem.newInstance(uri, cfg).getWorkingDirectory();

                finishPhase.countDown();
            } catch (InterruptedException | IOException e) {
                error("Failed to execute test thread.", e);

                fail();
            }
        }
    }, THREAD_COUNT, "filesystems-test");

    finishPhase.await();

    for (int i = 0; i < THREAD_COUNT; i++) {
        cfg.set(MRJobConfig.USER_NAME, "user" + i);

        Path workDir = new Path(new Path(uri), "user/user" + i);

        cfg.set(GridHadoopFileSystemsUtils.LOC_FS_WORK_DIR_PROP, workDir.toString());

        assertEquals(workDir, FileSystem.newInstance(uri, cfg).getWorkingDirectory());

        assertEquals(workDir, newUserInitWorkDir[i]);

        assertEquals(new Path(new Path(uri), "user/user" + i + "/folder" + i), newWorkDir[i]);

        assertEquals(new Path("/folder" + i), newAbsWorkDir[i]);

        assertEquals(new Path(new Path(uri), "user/" + System.getProperty("user.name")), newInstanceWorkDir[i]);
    }

    System.out.println(System.getProperty("user.dir"));
}

From source file:org.apache.ignite.internal.processors.hadoop.HadoopFileSystemsTest.java

License:Apache License

/**
 * Test the file system with specified URI for the multi-thread working directory support.
 *
 * @param uri Base URI of the file system (scheme and authority).
 * @throws Exception If fails./*from www  .  jav a 2 s  .c om*/
 */
private void testFileSystem(final URI uri) throws Exception {
    final Configuration cfg = new Configuration();

    setupFileSystems(cfg);

    cfg.set(HadoopFileSystemsUtils.LOC_FS_WORK_DIR_PROP,
            new Path(new Path(uri), "user/" + System.getProperty("user.name")).toString());

    final CountDownLatch changeUserPhase = new CountDownLatch(THREAD_COUNT);
    final CountDownLatch changeDirPhase = new CountDownLatch(THREAD_COUNT);
    final CountDownLatch changeAbsDirPhase = new CountDownLatch(THREAD_COUNT);
    final CountDownLatch finishPhase = new CountDownLatch(THREAD_COUNT);

    final Path[] newUserInitWorkDir = new Path[THREAD_COUNT];
    final Path[] newWorkDir = new Path[THREAD_COUNT];
    final Path[] newAbsWorkDir = new Path[THREAD_COUNT];
    final Path[] newInstanceWorkDir = new Path[THREAD_COUNT];

    final AtomicInteger threadNum = new AtomicInteger(0);

    GridTestUtils.runMultiThreadedAsync(new Runnable() {
        @Override
        public void run() {
            try {
                int curThreadNum = threadNum.getAndIncrement();

                FileSystem fs = FileSystem.get(uri, cfg);

                HadoopFileSystemsUtils.setUser(fs, "user" + curThreadNum);

                if ("file".equals(uri.getScheme()))
                    FileSystem.get(uri, cfg).setWorkingDirectory(new Path("file:///user/user" + curThreadNum));

                changeUserPhase.countDown();
                changeUserPhase.await();

                newUserInitWorkDir[curThreadNum] = FileSystem.get(uri, cfg).getWorkingDirectory();

                FileSystem.get(uri, cfg).setWorkingDirectory(new Path("folder" + curThreadNum));

                changeDirPhase.countDown();
                changeDirPhase.await();

                newWorkDir[curThreadNum] = FileSystem.get(uri, cfg).getWorkingDirectory();

                FileSystem.get(uri, cfg).setWorkingDirectory(new Path("/folder" + curThreadNum));

                changeAbsDirPhase.countDown();
                changeAbsDirPhase.await();

                newAbsWorkDir[curThreadNum] = FileSystem.get(uri, cfg).getWorkingDirectory();

                newInstanceWorkDir[curThreadNum] = FileSystem.newInstance(uri, cfg).getWorkingDirectory();

                finishPhase.countDown();
            } catch (InterruptedException | IOException e) {
                error("Failed to execute test thread.", e);

                fail();
            }
        }
    }, THREAD_COUNT, "filesystems-test");

    finishPhase.await();

    for (int i = 0; i < THREAD_COUNT; i++) {
        cfg.set(MRJobConfig.USER_NAME, "user" + i);

        Path workDir = new Path(new Path(uri), "user/user" + i);

        cfg.set(HadoopFileSystemsUtils.LOC_FS_WORK_DIR_PROP, workDir.toString());

        assertEquals(workDir, FileSystem.newInstance(uri, cfg).getWorkingDirectory());

        assertEquals(workDir, newUserInitWorkDir[i]);

        assertEquals(new Path(new Path(uri), "user/user" + i + "/folder" + i), newWorkDir[i]);

        assertEquals(new Path("/folder" + i), newAbsWorkDir[i]);

        assertEquals(new Path(new Path(uri), "user/" + System.getProperty("user.name")), newInstanceWorkDir[i]);
    }

    System.out.println(System.getProperty("user.dir"));
}