List of usage examples for org.apache.hadoop.mapreduce Job Job
Job(JobConf conf) throws IOException
From source file:com.hhscyber.nl.tweets.hbasefill.HbaseFill.java
/** * @param args the command line arguments * @throws java.io.IOException//from w w w. j ava2s . com */ public static void main(String[] args) throws IOException { conHbase = HBaseConfiguration.create(); Job client = new Job(conHbase); // new configuration client.setJarByClass(HbaseFill.class); client.setOutputKeyClass(Text.class); client.setOutputValueClass(IntWritable.class); client.setInputFormatClass(TextInputFormat.class); TextInputFormat.addInputPath(client, new Path("input/" + test));//test one folder TextOutputFormat.setOutputPath(client, new Path("output3")); client.setMapperClass(HbaseFillMapper.class); try { client.submit(); } catch (IOException | InterruptedException | ClassNotFoundException e) { e.printStackTrace(); } }
From source file:com.hhscyber.nl.tweets.processtweets.ProcessTweets.java
/** * @param args the command line arguments *//* w w w . ja v a2 s . c o m*/ public static void main(String[] args) throws IOException { Job client = new Job(new Configuration()); client.setJarByClass(ProcessTweets.class); client.setOutputKeyClass(Text.class); client.setOutputValueClass(IntWritable.class); client.setInputFormatClass(TextInputFormat.class); TextInputFormat.addInputPath(client, new Path("input_concat"));// TextOutputFormat.setOutputPath(client, new Path("output2")); client.setMapperClass(ProcessTweetsMapper.class); client.setReducerClass(ProcessTweetsReducer.class); client.setCombinerClass(ProcessTweetsReducer.class); try { client.submit(); } catch (Exception e) { e.printStackTrace(); } }
From source file:com.ibm.jaql.lang.expr.hadoop.NativeMapReduceExpr.java
License:Apache License
private JsonRecord eval_1_0(Configuration conf) throws Exception { boolean status = true; Job job = null;// www.ja v a 2 s . co m // set the jar if needed if (useSessionJarDefault.get()) { File jFile = ClassLoaderMgr.getExtensionJar(); conf.set("mapred.jar", jFile.getAbsolutePath()); job = new Job(conf); } else { job = new Job(conf); job.setJarByClass(NativeMapReduceExpr.class); } try { job.waitForCompletion(true); } catch (Exception e) { status = false; e.printStackTrace(); LOG.warn("native map-reduce job failed", e); } // setup the return value BufferedJsonRecord ret = new BufferedJsonRecord(); ret.add(STATUS, (status) ? JsonBool.TRUE : JsonBool.FALSE); return ret; }
From source file:com.igalia.wordcount.WordCount.java
License:Open Source License
public int run(String[] arg0) throws Exception { Job job = new Job(getConf()); job.setJarByClass(WordCount.class); job.setJobName("wordcount"); job.setOutputKeyClass(Text.class); job.setOutputValueClass(IntWritable.class); job.setMapperClass(MapClass.class); job.setReducerClass(Reduce.class); FileInputFormat.setInputPaths(job, new Path("/tmp/wordcount/in")); FileOutputFormat.setOutputPath(job, new Path("/tmp/wordcount/out")); boolean success = job.waitForCompletion(true); return success ? 0 : 1; }
From source file:com.ikanow.aleph2.analytics.hadoop.assets.VerySimpleLocalExample.java
License:Apache License
@SuppressWarnings({ "deprecation", "unchecked", "rawtypes" })
@Test//from ww w . jav a 2s.c o m
public void test_localHadoopLaunch()
throws IOException, IllegalStateException, ClassNotFoundException, InterruptedException {
// 0) Setup the temp dir
final String temp_dir = System.getProperty("java.io.tmpdir") + File.separator;
//final Path tmp_path = FileContext.getLocalFSFileContext().makeQualified(new Path(temp_dir));
final Path tmp_path2 = FileContext.getLocalFSFileContext()
.makeQualified(new Path(temp_dir + "/tmp_output"));
try {
FileContext.getLocalFSFileContext().delete(tmp_path2, true);
} catch (Exception e) {
} // (just doesn't exist yet)
// 1) Setup config with local mode
final Configuration config = new Configuration();
config.setBoolean("mapred.used.genericoptionsparser", true); // (just stops an annoying warning from appearing)
config.set("fs.file.impl", "org.apache.hadoop.fs.LocalFileSystem");
config.set("mapred.job.tracker", "local");
config.set("fs.defaultFS", "local");
config.unset("mapreduce.framework.name");
// If running locally, turn "snappy" off - tomcat isn't pointing its native library path in the right place
config.set("mapred.map.output.compression.codec", "org.apache.hadoop.io.compress.DefaultCodec");
// 2) Build job and do more setup using the Job API
//TODO: not sure why this is deprecated, it doesn't seem to be in v1? We do need to move to JobConf at some point, but I ran into some
// issues when trying to do everything I needed to for V1, so seems expedient to start here and migrate away
final Job hj = new Job(config); // (NOTE: from here, changes to config are ignored)
// Input format:
//TOOD: fails because of guava issue, looks like we'll need to move to 2.7 and check it works with 2.5.x server?
//TextInputFormat.addInputPath(hj, tmp_path);
//hj.setInputFormatClass((Class<? extends InputFormat>) Class.forName ("org.apache.hadoop.mapreduce.lib.input.TextInputFormat"));
hj.setInputFormatClass(TestInputFormat.class);
// Output format:
hj.setOutputFormatClass((Class<? extends OutputFormat>) Class
.forName("org.apache.hadoop.mapreduce.lib.output.TextOutputFormat"));
TextOutputFormat.setOutputPath(hj, tmp_path2);
// Mapper etc (combiner/reducer are similar)
hj.setMapperClass(TestMapper.class);
hj.setOutputKeyClass(Text.class);
hj.setOutputValueClass(Text.class);
hj.setNumReduceTasks(0); // (disable reducer for now)
hj.setJar("test");
try {
hj.submit();
} catch (UnsatisfiedLinkError e) {
throw new RuntimeException(
"This is a windows/hadoop compatibility problem - adding the hadoop-commons in the misc_test_assets subdirectory to the top of the classpath should resolve it (and does in V1), though I haven't yet made that work with Aleph2",
e);
}
//hj.getJobID().toString();
while (!hj.isComplete()) {
Thread.sleep(1000);
}
assertTrue("Finished successfully", hj.isSuccessful());
}
From source file:com.ikanow.infinit.e.core.mapreduce.HadoopJobRunner.java
License:Open Source License
@SuppressWarnings({ "unchecked", "rawtypes" })
private String runHadoopJob(CustomMapReduceJobPojo job, String tempJarLocation)
throws IOException, SAXException, ParserConfigurationException {
StringWriter xml = new StringWriter();
createConfigXML(xml, job.jobtitle, job.inputCollection,
getQueryOrProcessing(job.query, QuerySpec.INPUTFIELDS), job.isCustomTable, job.getOutputDatabase(),
job._id.toString(), job.outputCollectionTemp, job.mapper, job.reducer, job.combiner,
getQueryOrProcessing(job.query, QuerySpec.QUERY), job.communityIds, job.outputKey, job.outputValue,
job.arguments);/*from w w w . ja v a2s . c o m*/
ClassLoader savedClassLoader = Thread.currentThread().getContextClassLoader();
URLClassLoader child = new URLClassLoader(new URL[] { new File(tempJarLocation).toURI().toURL() },
savedClassLoader);
Thread.currentThread().setContextClassLoader(child);
// Now load the XML into a configuration object:
Configuration config = new Configuration();
try {
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(new ByteArrayInputStream(xml.toString().getBytes()));
NodeList nList = doc.getElementsByTagName("property");
for (int temp = 0; temp < nList.getLength(); temp++) {
Node nNode = nList.item(temp);
if (nNode.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) nNode;
String name = getTagValue("name", eElement);
String value = getTagValue("value", eElement);
if ((null != name) && (null != value)) {
config.set(name, value);
}
}
}
} catch (Exception e) {
throw new IOException(e.getMessage());
}
// Now run the JAR file
try {
config.setBoolean("mapred.used.genericoptionsparser", true); // (just stops an annoying warning from appearing)
if (bLocalMode) {
config.set("mapred.job.tracker", "local");
config.set("fs.default.name", "local");
} else {
String trackerUrl = HadoopUtils.getXMLProperty(
prop_custom.getHadoopConfigPath() + "/hadoop/mapred-site.xml", "mapred.job.tracker");
String fsUrl = HadoopUtils.getXMLProperty(
prop_custom.getHadoopConfigPath() + "/hadoop/core-site.xml", "fs.default.name");
config.set("mapred.job.tracker", trackerUrl);
config.set("fs.default.name", fsUrl);
}
Job hj = new Job(config);
Class<?> classToLoad = Class.forName(job.mapper, true, child);
hj.setJarByClass(classToLoad);
hj.setInputFormatClass((Class<? extends InputFormat>) Class
.forName("com.ikanow.infinit.e.data_model.custom.InfiniteMongoInputFormat", true, child));
if ((null != job.exportToHdfs) && job.exportToHdfs) {
hj.setOutputFormatClass((Class<? extends OutputFormat>) Class
.forName("org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat", true, child));
Path outPath = this.ensureOutputDirectory(job);
SequenceFileOutputFormat.setOutputPath(hj, outPath);
} else { // normal case, stays in MongoDB
hj.setOutputFormatClass((Class<? extends OutputFormat>) Class
.forName("com.mongodb.hadoop.MongoOutputFormat", true, child));
}
hj.setMapperClass((Class<? extends Mapper>) Class.forName(job.mapper, true, child));
if ((null != job.reducer) && !job.reducer.equalsIgnoreCase("null")
&& !job.reducer.equalsIgnoreCase("none")) {
hj.setReducerClass((Class<? extends Reducer>) Class.forName(job.reducer, true, child));
} else {
hj.setNumReduceTasks(0);
}
if ((null != job.combiner) && !job.combiner.equalsIgnoreCase("null")
&& !job.combiner.equalsIgnoreCase("none")) {
hj.setCombinerClass((Class<? extends Reducer>) Class.forName(job.combiner, true, child));
}
hj.setOutputKeyClass(Class.forName(job.outputKey, true, child));
hj.setOutputValueClass(Class.forName(job.outputValue, true, child));
hj.setJobName(job.jobtitle);
if (bLocalMode) {
hj.waitForCompletion(false);
return "local_done";
} else {
hj.submit();
String jobId = hj.getJobID().toString();
return jobId;
}
} catch (Exception e) {
e.printStackTrace();
Thread.currentThread().setContextClassLoader(savedClassLoader);
return "Error: " + HarvestExceptionUtils.createExceptionMessage(e);
} finally {
Thread.currentThread().setContextClassLoader(savedClassLoader);
}
}
From source file:com.ikanow.infinit.e.processing.custom.launcher.CustomHadoopTaskLauncher.java
License:Open Source License
@SuppressWarnings({ "unchecked", "rawtypes" })
public String runHadoopJob(CustomMapReduceJobPojo job, String tempJarLocation)
throws IOException, SAXException, ParserConfigurationException {
StringWriter xml = new StringWriter();
String outputCollection = job.outputCollectionTemp;// (non-append mode)
if ((null != job.appendResults) && job.appendResults)
outputCollection = job.outputCollection; // (append mode, write directly in....)
else if (null != job.incrementalMode)
job.incrementalMode = false; // (not allowed to be in incremental mode and not update mode)
createConfigXML(xml, job.jobtitle, job.inputCollection,
InfiniteHadoopUtils.getQueryOrProcessing(job.query, InfiniteHadoopUtils.QuerySpec.INPUTFIELDS),
job.isCustomTable, job.getOutputDatabase(), job._id.toString(), outputCollection, job.mapper,
job.reducer, job.combiner,/*from w w w . j a v a2s. c om*/
InfiniteHadoopUtils.getQueryOrProcessing(job.query, InfiniteHadoopUtils.QuerySpec.QUERY),
job.communityIds, job.outputKey, job.outputValue, job.arguments, job.incrementalMode,
job.submitterID, job.selfMerge, job.outputCollection, job.appendResults);
ClassLoader savedClassLoader = Thread.currentThread().getContextClassLoader();
URLClassLoader child = new URLClassLoader(new URL[] { new File(tempJarLocation).toURI().toURL() },
savedClassLoader);
Thread.currentThread().setContextClassLoader(child);
// Check version: for now, any infinit.e.data_model with an VersionTest class is acceptable
boolean dataModelLoaded = true;
try {
URLClassLoader versionTest = new URLClassLoader(new URL[] { new File(tempJarLocation).toURI().toURL() },
null);
try {
Class.forName("com.ikanow.infinit.e.data_model.custom.InfiniteMongoInputFormat", true, versionTest);
} catch (ClassNotFoundException e2) {
//(this is fine, will use the cached version)
dataModelLoaded = false;
}
if (dataModelLoaded)
Class.forName("com.ikanow.infinit.e.data_model.custom.InfiniteMongoVersionTest", true, versionTest);
} catch (ClassNotFoundException e1) {
throw new RuntimeException(
"This JAR is compiled with too old a version of the data-model, please recompile with Jan 2014 (rc2) onwards");
}
// Now load the XML into a configuration object:
Configuration config = new Configuration();
// Add the client configuration overrides:
if (!bLocalMode) {
String hadoopConfigPath = props_custom.getHadoopConfigPath() + "/hadoop/";
config.addResource(new Path(hadoopConfigPath + "core-site.xml"));
config.addResource(new Path(hadoopConfigPath + "mapred-site.xml"));
config.addResource(new Path(hadoopConfigPath + "hadoop-site.xml"));
} //TESTED
try {
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(new ByteArrayInputStream(xml.toString().getBytes()));
NodeList nList = doc.getElementsByTagName("property");
for (int temp = 0; temp < nList.getLength(); temp++) {
Node nNode = nList.item(temp);
if (nNode.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) nNode;
String name = getTagValue("name", eElement);
String value = getTagValue("value", eElement);
if ((null != name) && (null != value)) {
config.set(name, value);
}
}
}
} catch (Exception e) {
throw new IOException(e.getMessage());
}
// Some other config defaults:
// (not sure if these are actually applied, or derived from the defaults - for some reason they don't appear in CDH's client config)
config.set("mapred.map.tasks.speculative.execution", "false");
config.set("mapred.reduce.tasks.speculative.execution", "false");
// (default security is ignored here, have it set via HADOOP_TASKTRACKER_CONF in cloudera)
// Now run the JAR file
try {
BasicDBObject advancedConfigurationDbo = null;
try {
advancedConfigurationDbo = (null != job.query)
? ((BasicDBObject) com.mongodb.util.JSON.parse(job.query))
: (new BasicDBObject());
} catch (Exception e) {
advancedConfigurationDbo = new BasicDBObject();
}
boolean esMode = advancedConfigurationDbo.containsField("qt") && !job.isCustomTable;
if (esMode && !job.inputCollection.equals("doc_metadata.metadata")) {
throw new RuntimeException(
"Infinit.e Queries are only supported on doc_metadata - use MongoDB queries instead.");
}
config.setBoolean("mapred.used.genericoptionsparser", true); // (just stops an annoying warning from appearing)
if (bLocalMode) { // local job tracker and FS mode
config.set("mapred.job.tracker", "local");
config.set("fs.default.name", "local");
} else {
if (bTestMode) { // run job tracker locally but FS mode remotely
config.set("mapred.job.tracker", "local");
} else { // normal job tracker
String trackerUrl = HadoopUtils.getXMLProperty(
props_custom.getHadoopConfigPath() + "/hadoop/mapred-site.xml", "mapred.job.tracker");
config.set("mapred.job.tracker", trackerUrl);
}
String fsUrl = HadoopUtils.getXMLProperty(
props_custom.getHadoopConfigPath() + "/hadoop/core-site.xml", "fs.default.name");
config.set("fs.default.name", fsUrl);
}
if (!dataModelLoaded && !(bTestMode || bLocalMode)) { // If running distributed and no data model loaded then add ourselves
Path jarToCache = InfiniteHadoopUtils.cacheLocalFile("/opt/infinite-home/lib/",
"infinit.e.data_model.jar", config);
DistributedCache.addFileToClassPath(jarToCache, config);
jarToCache = InfiniteHadoopUtils.cacheLocalFile("/opt/infinite-home/lib/",
"infinit.e.processing.custom.library.jar", config);
DistributedCache.addFileToClassPath(jarToCache, config);
} //TESTED
// Debug scripts (only if they exist), and only in non local/test mode
if (!bLocalMode && !bTestMode) {
try {
Path scriptToCache = InfiniteHadoopUtils.cacheLocalFile("/opt/infinite-home/scripts/",
"custom_map_error_handler.sh", config);
config.set("mapred.map.task.debug.script", "custom_map_error_handler.sh " + job.jobtitle);
config.set("mapreduce.map.debug.script", "custom_map_error_handler.sh " + job.jobtitle);
DistributedCache.createSymlink(config);
DistributedCache.addCacheFile(scriptToCache.toUri(), config);
} catch (Exception e) {
} // just carry on
try {
Path scriptToCache = InfiniteHadoopUtils.cacheLocalFile("/opt/infinite-home/scripts/",
"custom_reduce_error_handler.sh", config);
config.set("mapred.reduce.task.debug.script", "custom_reduce_error_handler.sh " + job.jobtitle);
config.set("mapreduce.reduce.debug.script", "custom_reduce_error_handler.sh " + job.jobtitle);
DistributedCache.createSymlink(config);
DistributedCache.addCacheFile(scriptToCache.toUri(), config);
} catch (Exception e) {
} // just carry on
} //TODO (???): TOTEST
// (need to do these 2 things here before the job is created, at which point the config class has been copied across)
//1)
Class<?> mapperClazz = Class.forName(job.mapper, true, child);
if (ICustomInfiniteInternalEngine.class.isAssignableFrom(mapperClazz)) { // Special case: internal custom engine, so gets an additional integration hook
ICustomInfiniteInternalEngine preActivities = (ICustomInfiniteInternalEngine) mapperClazz
.newInstance();
preActivities.preTaskActivities(job._id, job.communityIds, config, !(bTestMode || bLocalMode));
} //TESTED
//2)
if (job.inputCollection.equalsIgnoreCase("file.binary_shares")) {
// Need to download the GridFSZip file
try {
Path jarToCache = InfiniteHadoopUtils.cacheLocalFile("/opt/infinite-home/lib/unbundled/",
"GridFSZipFile.jar", config);
DistributedCache.addFileToClassPath(jarToCache, config);
} catch (Throwable t) {
} // (this is fine, will already be on the classpath .. otherwise lots of other stuff will be failing all over the place!)
}
if (job.inputCollection.equals("records")) {
InfiniteElasticsearchHadoopUtils.handleElasticsearchInput(job, config, advancedConfigurationDbo);
//(won't run under 0.19 so running with "records" should cause all sorts of exceptions)
} //TESTED (by hand)
if (bTestMode || bLocalMode) { // If running locally, turn "snappy" off - tomcat isn't pointing its native library path in the right place
config.set("mapred.map.output.compression.codec", "org.apache.hadoop.io.compress.DefaultCodec");
}
// Manually specified caches
List<URL> localJarCaches = InfiniteHadoopUtils.handleCacheList(advancedConfigurationDbo.get("$caches"),
job, config, props_custom);
Job hj = new Job(config); // (NOTE: from here, changes to config are ignored)
try {
if (null != localJarCaches) {
if (bLocalMode || bTestMode) {
Method method = URLClassLoader.class.getDeclaredMethod("addURL", new Class[] { URL.class });
method.setAccessible(true);
method.invoke(child, localJarCaches.toArray());
} //TOTEST (tested logically)
}
Class<?> classToLoad = Class.forName(job.mapper, true, child);
hj.setJarByClass(classToLoad);
if (job.inputCollection.equalsIgnoreCase("filesystem")) {
String inputPath = null;
try {
inputPath = MongoDbUtil.getProperty(advancedConfigurationDbo, "file.url");
if (!inputPath.endsWith("/")) {
inputPath = inputPath + "/";
}
} catch (Exception e) {
}
if (null == inputPath) {
throw new RuntimeException("Must specify 'file.url' if reading from filesystem.");
}
inputPath = InfiniteHadoopUtils.authenticateInputDirectory(job, inputPath);
InfiniteFileInputFormat.addInputPath(hj, new Path(inputPath + "*/*")); // (that extra bit makes it recursive)
InfiniteFileInputFormat.setMaxInputSplitSize(hj, 33554432); // (32MB)
InfiniteFileInputFormat.setInfiniteInputPathFilter(hj, config);
hj.setInputFormatClass((Class<? extends InputFormat>) Class.forName(
"com.ikanow.infinit.e.data_model.custom.InfiniteFileInputFormat", true, child));
} else if (job.inputCollection.equalsIgnoreCase("file.binary_shares")) {
String[] oidStrs = null;
try {
String inputPath = MongoDbUtil.getProperty(advancedConfigurationDbo, "file.url");
Pattern oidExtractor = Pattern.compile("inf://share/([^/]+)");
Matcher m = oidExtractor.matcher(inputPath);
if (m.find()) {
oidStrs = m.group(1).split("\\s*,\\s*");
} else {
throw new RuntimeException(
"file.url must be in format inf://share/<oid-list>/<string>: " + inputPath);
}
InfiniteHadoopUtils.authenticateShareList(job, oidStrs);
} catch (Exception e) {
throw new RuntimeException(
"Authentication error: " + e.getMessage() + ": " + advancedConfigurationDbo, e);
}
hj.getConfiguration().setStrings("mapred.input.dir", oidStrs);
hj.setInputFormatClass((Class<? extends InputFormat>) Class.forName(
"com.ikanow.infinit.e.data_model.custom.InfiniteShareInputFormat", true, child));
} else if (job.inputCollection.equals("records")) {
hj.setInputFormatClass((Class<? extends InputFormat>) Class
.forName("com.ikanow.infinit.e.data_model.custom.InfiniteEsInputFormat", true, child));
} else {
if (esMode) {
hj.setInputFormatClass((Class<? extends InputFormat>) Class.forName(
"com.ikanow.infinit.e.processing.custom.utils.InfiniteElasticsearchMongoInputFormat",
true, child));
} else {
hj.setInputFormatClass((Class<? extends InputFormat>) Class.forName(
"com.ikanow.infinit.e.data_model.custom.InfiniteMongoInputFormat", true, child));
}
}
if ((null != job.exportToHdfs) && job.exportToHdfs) {
//TODO (INF-2469): Also, if the output key is BSON then also run as text (but output as JSON?)
Path outPath = InfiniteHadoopUtils.ensureOutputDirectory(job, props_custom);
if ((null != job.outputKey) && (null != job.outputValue)
&& job.outputKey.equalsIgnoreCase("org.apache.hadoop.io.text")
&& job.outputValue.equalsIgnoreCase("org.apache.hadoop.io.text")) {
// (slight hack before I sort out the horrendous job class - if key/val both text and exporting to HDFS then output as Text)
hj.setOutputFormatClass((Class<? extends OutputFormat>) Class
.forName("org.apache.hadoop.mapreduce.lib.output.TextOutputFormat", true, child));
TextOutputFormat.setOutputPath(hj, outPath);
} //TESTED
else {
hj.setOutputFormatClass((Class<? extends OutputFormat>) Class.forName(
"org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat", true, child));
SequenceFileOutputFormat.setOutputPath(hj, outPath);
} //TESTED
} else { // normal case, stays in MongoDB
hj.setOutputFormatClass((Class<? extends OutputFormat>) Class.forName(
"com.ikanow.infinit.e.data_model.custom.InfiniteMongoOutputFormat", true, child));
}
hj.setMapperClass((Class<? extends Mapper>) mapperClazz);
String mapperOutputKeyOverride = advancedConfigurationDbo.getString("$mapper_key_class", null);
if (null != mapperOutputKeyOverride) {
hj.setMapOutputKeyClass(Class.forName(mapperOutputKeyOverride));
} //TESTED
String mapperOutputValueOverride = advancedConfigurationDbo.getString("$mapper_value_class", null);
if (null != mapperOutputValueOverride) {
hj.setMapOutputValueClass(Class.forName(mapperOutputValueOverride));
} //TESTED
if ((null != job.reducer) && !job.reducer.startsWith("#") && !job.reducer.equalsIgnoreCase("null")
&& !job.reducer.equalsIgnoreCase("none")) {
hj.setReducerClass((Class<? extends Reducer>) Class.forName(job.reducer, true, child));
// Variable reducers:
if (null != job.query) {
try {
hj.setNumReduceTasks(advancedConfigurationDbo.getInt("$reducers", 1));
} catch (Exception e) {
try {
// (just check it's not a string that is a valid int)
hj.setNumReduceTasks(
Integer.parseInt(advancedConfigurationDbo.getString("$reducers", "1")));
} catch (Exception e2) {
}
}
} //TESTED
} else {
hj.setNumReduceTasks(0);
}
if ((null != job.combiner) && !job.combiner.startsWith("#")
&& !job.combiner.equalsIgnoreCase("null") && !job.combiner.equalsIgnoreCase("none")) {
hj.setCombinerClass((Class<? extends Reducer>) Class.forName(job.combiner, true, child));
}
hj.setOutputKeyClass(Class.forName(job.outputKey, true, child));
hj.setOutputValueClass(Class.forName(job.outputValue, true, child));
hj.setJobName(job.jobtitle);
currJobName = job.jobtitle;
} catch (Error e) { // (messing about with class loaders = lots of chances for errors!)
throw new RuntimeException(e.getMessage(), e);
}
if (bTestMode || bLocalMode) {
hj.submit();
currThreadId = null;
Logger.getRootLogger().addAppender(this);
currLocalJobId = hj.getJobID().toString();
currLocalJobErrs.setLength(0);
while (!hj.isComplete()) {
Thread.sleep(1000);
}
Logger.getRootLogger().removeAppender(this);
if (hj.isSuccessful()) {
if (this.currLocalJobErrs.length() > 0) {
return "local_done: " + this.currLocalJobErrs.toString();
} else {
return "local_done";
}
} else {
return "Error: " + this.currLocalJobErrs.toString();
}
} else {
hj.submit();
String jobId = hj.getJobID().toString();
return jobId;
}
} catch (Exception e) {
e.printStackTrace();
Thread.currentThread().setContextClassLoader(savedClassLoader);
return "Error: " + InfiniteHadoopUtils.createExceptionMessage(e);
} finally {
Thread.currentThread().setContextClassLoader(savedClassLoader);
}
}
From source file:com.inmobi.conduit.distcp.tools.mapred.TestCopyOutputFormat.java
License:Apache License
@Test public void testSetCommitDirectory() { try {// www .j av a 2 s . c om Job job = new Job(new Configuration()); Assert.assertEquals(null, CopyOutputFormat.getCommitDirectory(job)); job.getConfiguration().set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, ""); Assert.assertEquals(null, CopyOutputFormat.getCommitDirectory(job)); Path directory = new Path("/tmp/test"); CopyOutputFormat.setCommitDirectory(job, directory); Assert.assertEquals(directory, CopyOutputFormat.getCommitDirectory(job)); Assert.assertEquals(directory.toString(), job.getConfiguration().get(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH)); } catch (IOException e) { LOG.error("Exception encountered while running test", e); Assert.fail("Failed while testing for set Commit Directory"); } }
From source file:com.inmobi.conduit.distcp.tools.mapred.TestCopyOutputFormat.java
License:Apache License
@Test public void testSetWorkingDirectory() { try {/*from w w w .j a v a 2s. c o m*/ Job job = new Job(new Configuration()); Assert.assertEquals(null, CopyOutputFormat.getWorkingDirectory(job)); job.getConfiguration().set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, ""); Assert.assertEquals(null, CopyOutputFormat.getWorkingDirectory(job)); Path directory = new Path("/tmp/test"); CopyOutputFormat.setWorkingDirectory(job, directory); Assert.assertEquals(directory, CopyOutputFormat.getWorkingDirectory(job)); Assert.assertEquals(directory.toString(), job.getConfiguration().get(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH)); } catch (IOException e) { LOG.error("Exception encountered while running test", e); Assert.fail("Failed while testing for set Working Directory"); } }
From source file:com.inmobi.conduit.distcp.tools.mapred.TestCopyOutputFormat.java
License:Apache License
@Test public void testCheckOutputSpecs() { try {//from w w w . java 2s . c om OutputFormat outputFormat = new CopyOutputFormat(); Configuration conf = new Configuration(); Job job = new Job(conf); JobID jobID = new JobID("200707121733", 1); try { JobContext context = Mockito.mock(JobContext.class); Mockito.when(context.getConfiguration()).thenReturn(job.getConfiguration()); Mockito.when(context.getJobID()).thenReturn(jobID); outputFormat.checkOutputSpecs(context); Assert.fail("No checking for invalid work/commit path"); } catch (IllegalStateException ignore) { } CopyOutputFormat.setWorkingDirectory(job, new Path("/tmp/work")); try { JobContext context = Mockito.mock(JobContext.class); Mockito.when(context.getConfiguration()).thenReturn(job.getConfiguration()); Mockito.when(context.getJobID()).thenReturn(jobID); outputFormat.checkOutputSpecs(context); Assert.fail("No checking for invalid commit path"); } catch (IllegalStateException ignore) { } job.getConfiguration().set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, ""); CopyOutputFormat.setCommitDirectory(job, new Path("/tmp/commit")); try { JobContext context = Mockito.mock(JobContext.class); Mockito.when(context.getConfiguration()).thenReturn(job.getConfiguration()); Mockito.when(context.getJobID()).thenReturn(jobID); outputFormat.checkOutputSpecs(context); Assert.fail("No checking for invalid work path"); } catch (IllegalStateException ignore) { } CopyOutputFormat.setWorkingDirectory(job, new Path("/tmp/work")); CopyOutputFormat.setCommitDirectory(job, new Path("/tmp/commit")); try { JobContext context = Mockito.mock(JobContext.class); Mockito.when(context.getConfiguration()).thenReturn(job.getConfiguration()); Mockito.when(context.getJobID()).thenReturn(jobID); outputFormat.checkOutputSpecs(context); } catch (IllegalStateException ignore) { ignore.printStackTrace(); Assert.fail("Output spec check failed."); } } catch (IOException e) { LOG.error("Exception encountered while testing checkoutput specs", e); Assert.fail("Checkoutput Spec failure"); } catch (InterruptedException e) { LOG.error("Exception encountered while testing checkoutput specs", e); Assert.fail("Checkoutput Spec failure"); } }