Examples with FileNotFoundException java.io.FileNotFoundException used on opensource projects

Example 96 with FileNotFoundException

use of java.io.FileNotFoundException in project hadoop by apache.

the class RegexCopyFilter method initialize.

/**
   * Loads a list of filter patterns for use in shouldCopy.
   */
@Override
public void initialize() {
    BufferedReader reader = null;
    try {
        InputStream is = new FileInputStream(filtersFile);
        reader = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
        String line;
        while ((line = reader.readLine()) != null) {
            Pattern pattern = Pattern.compile(line);
            filters.add(pattern);
        }
    } catch (FileNotFoundException notFound) {
        LOG.error("Can't find filters file " + filtersFile);
    } catch (IOException cantRead) {
        LOG.error("An error occurred while attempting to read from " + filtersFile);
    } finally {
        IOUtils.cleanup(LOG, reader);
    }
}

Example 97 with FileNotFoundException

use of java.io.FileNotFoundException in project hadoop by apache.

the class StatePool method reloadState.

private boolean reloadState(Path stateFile, Configuration configuration) throws Exception {
    FileSystem fs = stateFile.getFileSystem(configuration);
    try (FSDataInputStream in = fs.open(stateFile)) {
        System.out.println("Reading state from " + stateFile.toString());
        read(in);
        return true;
    } catch (FileNotFoundException e) {
        System.out.println("No state information found for " + stateFile);
        return false;
    }
}

Example 98 with FileNotFoundException

use of java.io.FileNotFoundException in project hadoop by apache.

the class TestSwiftFileSystemExtendedContract method testOpenNonExistingFile.

@Test(timeout = SWIFT_TEST_TIMEOUT)
public void testOpenNonExistingFile() throws IOException {
    final Path p = new Path("/test/testOpenNonExistingFile");
    //open it as a file, should get FileNotFoundException
    try {
        final FSDataInputStream in = fs.open(p);
        in.close();
        fail("didn't expect to get here");
    } catch (FileNotFoundException fnfe) {
        LOG.debug("Expected: " + fnfe, fnfe);
    }
}

Example 99 with FileNotFoundException

use of java.io.FileNotFoundException in project hadoop by apache.

the class TestSwiftFileSystemDirectories method testNoStatusForMissingDirectories.

@Test(timeout = SWIFT_TEST_TIMEOUT)
public void testNoStatusForMissingDirectories() throws Throwable {
    Path missing = path("/test/testNoStatusForMissingDirectories");
    assertPathDoesNotExist("leftover?", missing);
    try {
        FileStatus[] statuses = fs.listStatus(missing);
        //not expected
        fail("Expected a FileNotFoundException, got the status " + statuses);
    } catch (FileNotFoundException expected) {
    //expected
    }
}

Example 100 with FileNotFoundException

use of java.io.FileNotFoundException in project hadoop by apache.

the class TestProcfsBasedProcessTree method getPidFromPidFile.

/**
   * Get PID from a pid-file.
   * 
   * @param pidFileName
   *          Name of the pid-file.
   * @return the PID string read from the pid-file. Returns null if the
   *         pidFileName points to a non-existing file or if read fails from the
   *         file.
   */
public static String getPidFromPidFile(String pidFileName) {
    BufferedReader pidFile = null;
    FileReader fReader = null;
    String pid = null;
    try {
        fReader = new FileReader(pidFileName);
        pidFile = new BufferedReader(fReader);
    } catch (FileNotFoundException f) {
        LOG.debug("PidFile doesn't exist : " + pidFileName);
        return pid;
    }
    try {
        pid = pidFile.readLine();
    } catch (IOException i) {
        LOG.error("Failed to read from " + pidFileName);
    } finally {
        try {
            if (fReader != null) {
                fReader.close();
            }
            try {
                if (pidFile != null) {
                    pidFile.close();
                }
            } catch (IOException i) {
                LOG.warn("Error closing the stream " + pidFile);
            }
        } catch (IOException i) {
            LOG.warn("Error closing the stream " + fReader);
        }
    }
    return pid;
}