Java Code Examples for org.apache.hadoop.mapreduce.lib.input.InvalidInputException

The following examples show how to use org.apache.hadoop.mapreduce.lib.input.InvalidInputException. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: components   Source File: UgiExceptionHandler.java    License: Apache License 2.0 5 votes vote down vote up
private RuntimeException adapt(RuntimeException e) {
    if (e.getCause() instanceof AccessControlException)
        return createFrom((AccessControlException) e.getCause());
    if (e.getCause() instanceof LoginException)
        return createFrom((LoginException) e.getCause());
    if (e.getCause() instanceof InvalidInputException)
        return createFrom((InvalidInputException) e.getCause());
    if (e.getCause() instanceof IOException) {
        RuntimeException ex = createFromOrNull((IOException) e.getCause());
        if (ex != null)
            return ex;
    }
    return e;
}
 
Example 2
private List<FileStatus> simpleListStatus(JobContext job, Path[] dirs,
        PathFilter inputFilter, boolean recursive) throws IOException {
    List<FileStatus> result = new ArrayList<FileStatus>();
    List<IOException> errors = new ArrayList<IOException>();
    Configuration conf = job.getConfiguration();
    for (int i=0; i < dirs.length; ++i) {
        Path p = dirs[i];
        FileSystem fs = p.getFileSystem(conf);
        FileStatus[] matches;
        try {
            matches = fs.globStatus(p, inputFilter);
        } catch (IllegalArgumentException e) {
            errors.add(new IOException(e.getMessage()));
            continue;
        }
        if (matches == null) {
            errors.add(new IOException("Input path does not exist: " + p));
        } else if (matches.length == 0) {
            errors.add(new IOException("Input Pattern " + p + " matches 0 files"));
        } else {
            for (FileStatus globStat: matches) {
                if (globStat.isDirectory()) {
                    FileStatus[] files = fs.listStatus(globStat.getPath(), inputFilter);
                    for (int j = 0; j < files.length; j++) {
                        if (recursive && files[j].isDirectory()) {
                            simpleAddInputPathRecursively(result, fs, files[j].getPath(),inputFilter);
                        } else {
                            result.add(files[j]);
                        }
                    }
                } else {
                    result.add(globStat);
                }
            }
        }
    }

    if (!errors.isEmpty()) {
        throw new InvalidInputException(errors);
    }
    return result;
}
 
Example 3
Source Project: components   Source File: UgiExceptionHandler.java    License: Apache License 2.0 4 votes vote down vote up
private TalendRuntimeException createFrom(InvalidInputException cause) {
    // TODO: more specific method for file not found errors.
    if (accessType == AccessType.Read)
        return SimpleFileIOErrorCode.createInputNotAuthorized(cause, username, path);
    return SimpleFileIOErrorCode.createOutputNotAuthorized(cause, username, path);
}
 
Example 4
Source Project: spork   Source File: TestSkewedJoin.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testNonExistingInputPathInSkewJoin() throws Exception {
    String script =
      "exists = LOAD '" + INPUT_FILE2 + "' AS (a:long, x:chararray);" +
      "missing = LOAD '/non/existing/directory' AS (a:long);" +
      "missing = FOREACH ( GROUP missing BY a ) GENERATE $0 AS a, COUNT_STAR($1);" +
      "joined = JOIN exists BY a, missing BY a USING 'skewed';";

    String logFile = Util.createTempFileDelOnExit("tmp", ".log").getAbsolutePath();
    Logger logger = Logger.getLogger("org.apache.pig");
    logger.setLevel(Level.INFO);
    SimpleLayout layout = new SimpleLayout();
    FileAppender appender = new FileAppender(layout, logFile.toString(), false, false, 0);
    logger.addAppender(appender);
    
    try {
        pigServer.registerScript(new ByteArrayInputStream(script.getBytes("UTF-8")));
        pigServer.openIterator("joined");
    } catch (Exception e) {
        boolean foundInvalidInputException = false;

        // Search through chained exceptions for InvalidInputException. If
        // input splits are calculated on the front-end, we will see this
        // exception in the stack trace.
        Throwable cause = e.getCause();
        while (cause != null) {
            if (cause instanceof InvalidInputException) {
                foundInvalidInputException = true;
                break;
            }
            cause = cause.getCause();
        }

        // InvalidInputException was not found in the stack trace. But it's
        // possible that the exception was thrown in the back-end, and Pig
        // couldn't retrieve it in the front-end. To be safe, search the log
        // file before declaring a failure.
        if (!foundInvalidInputException) {
            FileInputStream fis = new FileInputStream(new File(logFile));
            int bytes = fis.available();
            byte[] buffer = new byte[bytes];
            fis.read(buffer);
            String str = new String(buffer, "UTF-8");
            if (str.contains(InvalidInputException.class.getName())) {
                foundInvalidInputException = true;
            }
            fis.close();
        }

        assertTrue("This exception was not caused by InvalidInputException: " + e,
                foundInvalidInputException);
    } finally {
        LogManager.resetConfiguration();
    }
}