public Writable call(Class<?> protocol, Writable param, long receivedTime) throws IOException {
try {
Invocation call = (Invocation) param;
if (verbose) log("Call: " + call);
Method method = protocol.getMethod(call.getMethodName(), call.getParameterClasses());
method.setAccessible(true);
int qTime = (int) (System.currentTimeMillis() - receivedTime);
long startNanoTime = System.nanoTime();
Object value = method.invoke(instance, call.getParameters());
long processingMicroTime = (System.nanoTime() - startNanoTime) / 1000;
if (LOG.isDebugEnabled()) {
LOG.debug(
"Served: "
+ call.getMethodName()
+ " queueTime (millisec)= "
+ qTime
+ " procesingTime (microsec)= "
+ processingMicroTime);
}
rpcMetrics.rpcQueueTime.inc(qTime);
rpcMetrics.rpcProcessingTime.inc(processingMicroTime);
MetricsTimeVaryingRate m =
(MetricsTimeVaryingRate) rpcMetrics.registry.get(call.getMethodName());
if (m == null) {
try {
m = new MetricsTimeVaryingRate(call.getMethodName(), rpcMetrics.registry);
} catch (IllegalArgumentException iae) {
// the metrics has been registered; re-fetch the handle
LOG.debug("Error register " + call.getMethodName(), iae);
m = (MetricsTimeVaryingRate) rpcMetrics.registry.get(call.getMethodName());
}
}
// record call time in microseconds
m.inc(processingMicroTime);
if (verbose) log("Return: " + value);
return new ObjectWritable(method.getReturnType(), value);
} catch (InvocationTargetException e) {
Throwable target = e.getTargetException();
if (target instanceof IOException) {
throw (IOException) target;
} else {
IOException ioe = new IOException(target.toString());
ioe.setStackTrace(target.getStackTrace());
throw ioe;
}
} catch (Throwable e) {
if (!(e instanceof IOException)) {
LOG.error("Unexpected throwable object ", e);
}
IOException ioe = new IOException(e.toString());
ioe.setStackTrace(e.getStackTrace());
throw ioe;
}
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
final boolean logDebug = LOG.isDebugEnabled();
long startTime = 0;
if (logDebug) {
startTime = System.currentTimeMillis();
}
ObjectWritable value = null;
try {
value =
(ObjectWritable)
client.call(
new Invocation(method, args), getAddress(), protocol, ticket, rpcTimeout);
} catch (RemoteException re) {
throw re;
} catch (ConnectException ce) {
needCheckDnsUpdate = true;
throw ce;
} catch (NoRouteToHostException nrhe) {
needCheckDnsUpdate = true;
throw nrhe;
} catch (PortUnreachableException pue) {
needCheckDnsUpdate = true;
throw pue;
} catch (UnknownHostException uhe) {
needCheckDnsUpdate = true;
throw uhe;
}
if (logDebug) {
long callTime = System.currentTimeMillis() - startTime;
LOG.debug("Call: " + method.getName() + " " + callTime);
}
return value.get();
}
/**
* Get a proxy connection to a remote server
*
* @param protocol protocol class
* @param clientVersion client version
* @param addr remote address
* @param conf configuration to use
* @param rpcTimeout timeout for each RPC
* @param timeout time in milliseconds before giving up
* @return the proxy
* @throws IOException if the far end through a RemoteException
*/
static <T extends VersionedProtocol> ProtocolProxy<T> waitForProtocolProxy(
Class<T> protocol,
long clientVersion,
InetSocketAddress addr,
Configuration conf,
long timeout,
int rpcTimeout)
throws IOException {
long startTime = System.currentTimeMillis();
UserGroupInformation ugi = null;
try {
ugi = UserGroupInformation.login(conf);
} catch (LoginException le) {
throw new RuntimeException("Couldn't login!");
}
IOException ioe;
while (true) {
try {
return getProtocolProxy(
protocol,
clientVersion,
addr,
ugi,
conf,
NetUtils.getDefaultSocketFactory(conf),
rpcTimeout);
} catch (ConnectException se) { // namenode has not been started
LOG.info("Server at " + addr + " not available yet, Zzzzz...");
ioe = se;
} catch (SocketTimeoutException te) { // namenode is busy
LOG.info("Problem connecting to server: " + addr);
ioe = te;
}
// check if timed out
if (System.currentTimeMillis() - timeout >= startTime) {
throw ioe;
}
// wait for retry
try {
Thread.sleep(1000);
} catch (InterruptedException ie) {
// IGNORE
}
}
}
/*
* (non-Javadoc)
*
* @see
* org.apache.mina.core.service.IoHandlerAdapter#sessionIdle(org.apache.
* mina.core.session.IoSession, org.apache.mina.core.session.IdleStatus)
*/
public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
if (IdleStatus.BOTH_IDLE.equals(status)) {
Long l = (Long) session.getAttribute("last");
if (l != null && System.currentTimeMillis() - l > 60 * 1000) {
session.close(true);
}
}
}
private synchronized InetSocketAddress getAddress() {
if (needCheckDnsUpdate
&& address != null
&& address.getHostName() != null
&& System.currentTimeMillis() - this.timeLastDnsCheck > MIN_DNS_CHECK_INTERVAL_MSEC) {
try {
InetSocketAddress newAddr = NetUtils.resolveAddress(address);
if (newAddr != null) {
LOG.info("DNS change: " + newAddr);
address = newAddr;
}
} finally {
this.timeLastDnsCheck = System.currentTimeMillis();
}
}
needCheckDnsUpdate = false;
return address;
}
/**
* Queries the tables to extract salient information (feature structure name, reference details)
* for a transgene query
*/
@SuppressWarnings({"unchecked", "unused"})
public List<Record> getAll() {
String query = "select * from fc_mapping";
LOG.debug("Query : " + query);
long startTime = System.currentTimeMillis();
List<Record> results =
this.jdbcTemplate.query(
query, new Object[] {}, (RowMapper) new FCMappingResultSetExtractor());
return results;
}
static {
// Try to load native hadoop library and set fallback flag appropriately
LOG.debug("Trying to load the custom-built native-hadoop library...");
try {
System.loadLibrary("hadoop");
LOG.info("Loaded the native-hadoop library");
nativeCodeLoaded = true;
} catch (Throwable t) {
// Ignore failure to load
LOG.debug("Failed to load native-hadoop with error: " + t);
LOG.debug("java.library.path=" + System.getProperty("java.library.path"));
}
if (!nativeCodeLoaded) {
LOG.warn(
"Unable to load native-hadoop library for your platform... "
+ "using builtin-java classes where applicable");
}
}
/**
* Get the archive entries in classpath as an array of Path
*
* @param conf Configuration that contains the classpath setting
*/
public static Path[] getArchiveClassPaths(Configuration conf) {
String classpath = conf.get("mapred.job.classpath.archives");
if (classpath == null) return null;
ArrayList list =
Collections.list(new StringTokenizer(classpath, System.getProperty("path.separator")));
Path[] paths = new Path[list.size()];
for (int i = 0; i < list.size(); i++) {
paths[i] = new Path((String) list.get(i));
}
return paths;
}
/**
* Add an file path to the current set of classpath entries It adds the file to cache as well.
*
* @param file Path of the file to be added
* @param conf Configuration that contains the classpath setting
*/
public static void addFileToClassPath(Path file, Configuration conf) throws IOException {
String classpath = conf.get("mapred.job.classpath.files");
conf.set(
"mapred.job.classpath.files",
classpath == null
? file.toString()
: classpath + System.getProperty("path.separator") + file.toString());
URI uri = file.makeQualified(file.getFileSystem(conf)).toUri();
addCacheFile(uri, conf);
}
/**
* main() has some simple utility methods.
*
* @param argv Command line parameters.
* @exception Exception if the filesystem does not exist.
*/
public static void main(String[] argv) throws Exception {
StringUtils.startupShutdownMessage(SecondaryNameNode.class, argv, LOG);
Configuration tconf = new Configuration();
if (argv.length >= 1) {
SecondaryNameNode secondary = new SecondaryNameNode(tconf);
int ret = secondary.processArgs(argv);
System.exit(ret);
}
// Create a never ending deamon
Daemon checkpointThread = new Daemon(new SecondaryNameNode(tconf));
checkpointThread.start();
}
private static URI addArchiveToClassPathHelper(Path archive, Configuration conf)
throws IOException {
String classpath = conf.get("mapred.job.classpath.archives");
// the scheme/authority use ':' as separator. put the unqualified path in classpath
String archivePath = archive.toUri().getPath();
conf.set(
"mapred.job.classpath.archives",
classpath == null
? archivePath
: classpath + System.getProperty("path.separator") + archivePath);
return archive.makeQualified(archive.getFileSystem(conf)).toUri();
}
VerProtocolImpl[] getSupportedProtocolVersions(RPC.RpcKind rpcKind, String protocolName) {
VerProtocolImpl[] resultk = new VerProtocolImpl[getProtocolImplMap(rpcKind).size()];
int i = 0;
for (Map.Entry<ProtoNameVer, ProtoClassProtoImpl> pv :
getProtocolImplMap(rpcKind).entrySet()) {
if (pv.getKey().protocol.equals(protocolName)) {
resultk[i++] = new VerProtocolImpl(pv.getKey().version, pv.getValue());
}
}
if (i == 0) {
return null;
}
VerProtocolImpl[] result = new VerProtocolImpl[i];
System.arraycopy(resultk, 0, result, 0, i);
return result;
}
private static long deleteOldTempFiles(File file) {
long size = 0;
if (file.isDirectory()) {
File[] files = file.listFiles();
if (files != null) {
for (int i = 0; i < files.length; i++) {
long modified = files[i].lastModified();
long now = System.currentTimeMillis() - modified;
float elapsedmins = now / (60 * 1000F);
if (elapsedmins > DELETE_WAIT) files[i].delete();
try {
Thread.sleep(10);
} catch (Exception e) {
}
}
return size;
} else return 0;
} else return file.length();
}
//
// The main work loop
//
public void run() {
//
// Poll the Namenode (once every 5 minutes) to find the size of the
// pending edit log.
//
long period = 5 * 60; // 5 minutes
long lastCheckpointTime = 0;
if (checkpointPeriod < period) {
period = checkpointPeriod;
}
while (shouldRun) {
try {
Thread.sleep(1000 * period);
} catch (InterruptedException ie) {
// do nothing
}
if (!shouldRun) {
break;
}
try {
long now = System.currentTimeMillis();
long size = namenode.getEditLogSize();
if (size >= checkpointSize || now >= lastCheckpointTime + 1000 * checkpointPeriod) {
doCheckpoint();
lastCheckpointTime = now;
}
} catch (IOException e) {
LOG.error("Exception in doCheckpoint: ");
LOG.error(StringUtils.stringifyException(e));
e.printStackTrace();
checkpointImage.imageDigest = null;
} catch (Throwable e) {
LOG.error("Throwable Exception in doCheckpoint: ");
LOG.error(StringUtils.stringifyException(e));
e.printStackTrace();
Runtime.getRuntime().exit(-1);
}
}
}
private void logOut(String browserId) throws Exception {
// ttt2 the right way to do it is to go through all the sessions of the current browser, which
// would require a new field and a new index;
// not sure if it's worth it, but this would work: A logs in, forgets to log out, B delets the
// cookies, logs in, A sees B is logged in, then B
// restores the cookies and uses A's account
if (browserId == null) {
return;
}
List<LoginInfo> loginInfos = loginInfoDb.getLoginsForBrowser(browserId);
long expireTarget = System.currentTimeMillis() - Utils.ONE_DAY;
for (LoginInfo loginInfo : loginInfos) {
if (loginInfo.expiresOn <= expireTarget) {
LOG.info(String.format("LoginInfo %s is enough in the past", loginInfo));
} else {
LOG.info(String.format("Logging out: %s", loginInfo));
loginInfoDb.updateExpireTime(browserId, loginInfo.sessionId, expireTarget);
}
}
}
public void testcheckOutputSpecsForbidRecordCompression() throws IOException {
Job job = Job.getInstance(new Configuration(), "testcheckOutputSpecsForbidRecordCompression");
FileSystem fs = FileSystem.getLocal(job.getConfiguration());
Path outputdir = new Path(System.getProperty("test.build.data", "/tmp") + "/output");
fs.delete(outputdir, true);
// Without outputpath, FileOutputFormat.checkoutputspecs will throw
// InvalidJobConfException
FileOutputFormat.setOutputPath(job, outputdir);
// SequenceFileAsBinaryOutputFormat doesn't support record compression
// It should throw an exception when checked by checkOutputSpecs
SequenceFileAsBinaryOutputFormat.setCompressOutput(job, true);
SequenceFileAsBinaryOutputFormat.setOutputCompressionType(job, CompressionType.BLOCK);
try {
new SequenceFileAsBinaryOutputFormat().checkOutputSpecs(job);
} catch (Exception e) {
fail(
"Block compression should be allowed for "
+ "SequenceFileAsBinaryOutputFormat:Caught "
+ e.getClass().getName());
}
SequenceFileAsBinaryOutputFormat.setOutputCompressionType(job, CompressionType.RECORD);
try {
new SequenceFileAsBinaryOutputFormat().checkOutputSpecs(job);
fail("Record compression should not be allowed for " + "SequenceFileAsBinaryOutputFormat");
} catch (InvalidJobConfException ie) {
// expected
} catch (Exception e) {
fail(
"Expected "
+ InvalidJobConfException.class.getName()
+ "but caught "
+ e.getClass().getName());
}
}
/**
* Normally sets the path and a few attributes that the JSPs are likely to need. Also verifies the
* login information. If necessary, just redirects to the login page.
*
* @param target
* @param request
* @param httpServletResponse
* @param secured
* @return true if the request is already handled so the .jsp shouldn't get called
* @throws Exception
*/
private boolean prepareForJspGet(
String target, Request request, HttpServletResponse httpServletResponse, boolean secured)
throws Exception {
LoginInfo.SessionInfo sessionInfo = UserHelpers.getSessionInfo(request);
LOG.info(
String.format(
"hndl - %s ; %s; %s ; %s",
target,
request.getPathInfo(),
request.getMethod(),
secured ? "secured" : "not secured"));
String path = request.getUri().getDecodedPath();
boolean redirectToLogin = path.equals(PATH_LOGOUT);
LoginInfo loginInfo = null;
if (sessionInfo.isNull()) {
redirectToLogin = true;
LOG.info("Null session info. Logging in again.");
} else {
loginInfo =
loginInfoDb.get(
sessionInfo.browserId,
sessionInfo.sessionId); // ttt2 use a cache, to avoid going to DB
if (loginInfo == null || loginInfo.expiresOn < System.currentTimeMillis()) {
LOG.info("Session has expired. Logging in again. Info: " + loginInfo);
redirectToLogin = true;
}
}
if (!path.equals(PATH_LOGIN) && !path.equals(PATH_SIGNUP) && !path.equals(PATH_ERROR)) {
if (redirectToLogin) {
// ttt2 perhaps store URI, to return to it after login
logOut(sessionInfo.browserId);
addLoginParams(request, loginInfo);
httpServletResponse.sendRedirect(PATH_LOGIN);
return true;
}
User user = userDb.get(loginInfo.userId);
if (user == null) {
WebUtils.redirectToError("Unknown user", request, httpServletResponse);
return true;
}
if (!user.active) {
WebUtils.redirectToError("Account is not active", request, httpServletResponse);
return true;
}
request.setAttribute(VAR_FEED_DB, feedDb);
request.setAttribute(VAR_USER_DB, userDb);
request.setAttribute(VAR_ARTICLE_DB, articleDb);
request.setAttribute(VAR_READ_ARTICLES_COLL_DB, readArticlesCollDb);
request.setAttribute(VAR_USER, user);
request.setAttribute(VAR_LOGIN_INFO, loginInfo);
MultiMap<String> params = new MultiMap<>();
params.put(PARAM_PATH, path);
request.setParameters(params);
}
if (path.equals(PATH_LOGIN)) {
addLoginParams(request, loginInfo);
}
return false;
}
public void testFormat() throws Exception {
JobConf job = new JobConf(conf);
FileSystem fs = FileSystem.getLocal(conf);
Path dir = new Path(System.getProperty("test.build.data", ".") + "/mapred");
Path file = new Path(dir, "test.seq");
Reporter reporter = Reporter.NULL;
int seed = new Random().nextInt();
// LOG.info("seed = "+seed);
Random random = new Random(seed);
fs.delete(dir, true);
FileInputFormat.setInputPaths(job, dir);
// for a variety of lengths
for (int length = 0; length < MAX_LENGTH; length += random.nextInt(MAX_LENGTH / 10) + 1) {
// LOG.info("creating; entries = " + length);
// create a file with length entries
SequenceFile.Writer writer =
SequenceFile.createWriter(fs, conf, file, IntWritable.class, BytesWritable.class);
try {
for (int i = 0; i < length; i++) {
IntWritable key = new IntWritable(i);
byte[] data = new byte[random.nextInt(10)];
random.nextBytes(data);
BytesWritable value = new BytesWritable(data);
writer.append(key, value);
}
} finally {
writer.close();
}
// try splitting the file in a variety of sizes
InputFormat<IntWritable, BytesWritable> format =
new SequenceFileInputFormat<IntWritable, BytesWritable>();
IntWritable key = new IntWritable();
BytesWritable value = new BytesWritable();
for (int i = 0; i < 3; i++) {
int numSplits = random.nextInt(MAX_LENGTH / (SequenceFile.SYNC_INTERVAL / 20)) + 1;
// LOG.info("splitting: requesting = " + numSplits);
InputSplit[] splits = format.getSplits(job, numSplits);
// LOG.info("splitting: got = " + splits.length);
// check each split
BitSet bits = new BitSet(length);
for (int j = 0; j < splits.length; j++) {
RecordReader<IntWritable, BytesWritable> reader =
format.getRecordReader(splits[j], job, reporter);
try {
int count = 0;
while (reader.next(key, value)) {
// if (bits.get(key.get())) {
// LOG.info("splits["+j+"]="+splits[j]+" : " +
// key.get());
// LOG.info("@"+reader.getPos());
// }
assertFalse("Key in multiple partitions.", bits.get(key.get()));
bits.set(key.get());
count++;
}
// LOG.info("splits["+j+"]="+splits[j]+" count=" +
// count);
} finally {
reader.close();
}
}
assertEquals("Some keys in no partition.", length, bits.cardinality());
}
}
}
public void testBinary() throws IOException, InterruptedException {
Configuration conf = new Configuration();
Job job = new Job(conf);
Path outdir = new Path(System.getProperty("test.build.data", "/tmp"), "outseq");
Random r = new Random();
long seed = r.nextLong();
r.setSeed(seed);
FileOutputFormat.setOutputPath(job, outdir);
SequenceFileAsBinaryOutputFormat.setSequenceFileOutputKeyClass(job, IntWritable.class);
SequenceFileAsBinaryOutputFormat.setSequenceFileOutputValueClass(job, DoubleWritable.class);
SequenceFileAsBinaryOutputFormat.setCompressOutput(job, true);
SequenceFileAsBinaryOutputFormat.setOutputCompressionType(job, CompressionType.BLOCK);
BytesWritable bkey = new BytesWritable();
BytesWritable bval = new BytesWritable();
TaskAttemptContext context =
MapReduceTestUtil.createDummyMapTaskAttemptContext(job.getConfiguration());
OutputFormat<BytesWritable, BytesWritable> outputFormat =
new SequenceFileAsBinaryOutputFormat();
OutputCommitter committer = outputFormat.getOutputCommitter(context);
committer.setupJob(job);
RecordWriter<BytesWritable, BytesWritable> writer = outputFormat.getRecordWriter(context);
IntWritable iwritable = new IntWritable();
DoubleWritable dwritable = new DoubleWritable();
DataOutputBuffer outbuf = new DataOutputBuffer();
LOG.info("Creating data by SequenceFileAsBinaryOutputFormat");
try {
for (int i = 0; i < RECORDS; ++i) {
iwritable = new IntWritable(r.nextInt());
iwritable.write(outbuf);
bkey.set(outbuf.getData(), 0, outbuf.getLength());
outbuf.reset();
dwritable = new DoubleWritable(r.nextDouble());
dwritable.write(outbuf);
bval.set(outbuf.getData(), 0, outbuf.getLength());
outbuf.reset();
writer.write(bkey, bval);
}
} finally {
writer.close(context);
}
committer.commitTask(context);
committer.commitJob(job);
InputFormat<IntWritable, DoubleWritable> iformat =
new SequenceFileInputFormat<IntWritable, DoubleWritable>();
int count = 0;
r.setSeed(seed);
SequenceFileInputFormat.setInputPaths(job, outdir);
LOG.info("Reading data by SequenceFileInputFormat");
for (InputSplit split : iformat.getSplits(job)) {
RecordReader<IntWritable, DoubleWritable> reader = iformat.createRecordReader(split, context);
MapContext<IntWritable, DoubleWritable, BytesWritable, BytesWritable> mcontext =
new MapContextImpl<IntWritable, DoubleWritable, BytesWritable, BytesWritable>(
job.getConfiguration(),
context.getTaskAttemptID(),
reader,
null,
null,
MapReduceTestUtil.createDummyReporter(),
split);
reader.initialize(split, mcontext);
try {
int sourceInt;
double sourceDouble;
while (reader.nextKeyValue()) {
sourceInt = r.nextInt();
sourceDouble = r.nextDouble();
iwritable = reader.getCurrentKey();
dwritable = reader.getCurrentValue();
assertEquals(
"Keys don't match: " + "*" + iwritable.get() + ":" + sourceInt + "*",
sourceInt,
iwritable.get());
assertTrue(
"Vals don't match: " + "*" + dwritable.get() + ":" + sourceDouble + "*",
Double.compare(dwritable.get(), sourceDouble) == 0);
++count;
}
} finally {
reader.close();
}
}
assertEquals("Some records not found", RECORDS, count);
}
@Override
public final void run() {
try {
// before preparing the job localize
// all the archives
TaskAttemptID taskid = t.getTaskID();
LocalDirAllocator lDirAlloc = new LocalDirAllocator("mapred.local.dir");
File jobCacheDir = null;
if (conf.getJar() != null) {
jobCacheDir = new File(new Path(conf.getJar()).getParent().toString());
}
File workDir =
new File(
lDirAlloc
.getLocalPathToRead(
TaskTracker.getJobCacheSubdir()
+ Path.SEPARATOR
+ t.getJobID()
+ Path.SEPARATOR
+ t.getTaskID()
+ Path.SEPARATOR
+ MRConstants.WORKDIR,
conf)
.toString());
URI[] archives = DistributedCache.getCacheArchives(conf);
URI[] files = DistributedCache.getCacheFiles(conf);
FileStatus fileStatus;
FileSystem fileSystem;
Path localPath;
String baseDir;
if ((archives != null) || (files != null)) {
if (archives != null) {
String[] archivesTimestamps = DistributedCache.getArchiveTimestamps(conf);
Path[] p = new Path[archives.length];
for (int i = 0; i < archives.length; i++) {
fileSystem = FileSystem.get(archives[i], conf);
fileStatus = fileSystem.getFileStatus(new Path(archives[i].getPath()));
String cacheId = DistributedCache.makeRelative(archives[i], conf);
String cachePath = TaskTracker.getCacheSubdir() + Path.SEPARATOR + cacheId;
if (lDirAlloc.ifExists(cachePath, conf)) {
localPath = lDirAlloc.getLocalPathToRead(cachePath, conf);
} else {
localPath = lDirAlloc.getLocalPathForWrite(cachePath, fileStatus.getLen(), conf);
}
baseDir = localPath.toString().replace(cacheId, "");
p[i] =
DistributedCache.getLocalCache(
archives[i],
conf,
new Path(baseDir),
fileStatus,
true,
Long.parseLong(archivesTimestamps[i]),
new Path(workDir.getAbsolutePath()),
false);
}
DistributedCache.setLocalArchives(conf, stringifyPathArray(p));
}
if ((files != null)) {
String[] fileTimestamps = DistributedCache.getFileTimestamps(conf);
Path[] p = new Path[files.length];
for (int i = 0; i < files.length; i++) {
fileSystem = FileSystem.get(files[i], conf);
fileStatus = fileSystem.getFileStatus(new Path(files[i].getPath()));
String cacheId = DistributedCache.makeRelative(files[i], conf);
String cachePath = TaskTracker.getCacheSubdir() + Path.SEPARATOR + cacheId;
if (lDirAlloc.ifExists(cachePath, conf)) {
localPath = lDirAlloc.getLocalPathToRead(cachePath, conf);
} else {
localPath = lDirAlloc.getLocalPathForWrite(cachePath, fileStatus.getLen(), conf);
}
baseDir = localPath.toString().replace(cacheId, "");
p[i] =
DistributedCache.getLocalCache(
files[i],
conf,
new Path(baseDir),
fileStatus,
false,
Long.parseLong(fileTimestamps[i]),
new Path(workDir.getAbsolutePath()),
false);
}
DistributedCache.setLocalFiles(conf, stringifyPathArray(p));
}
Path localTaskFile = new Path(t.getJobFile());
FileSystem localFs = FileSystem.getLocal(conf);
localFs.delete(localTaskFile, true);
OutputStream out = localFs.create(localTaskFile);
try {
conf.writeXml(out);
} finally {
out.close();
}
}
if (!prepare()) {
return;
}
String sep = System.getProperty("path.separator");
StringBuffer classPath = new StringBuffer();
// start with same classpath as parent process
classPath.append(System.getProperty("java.class.path"));
classPath.append(sep);
if (!workDir.mkdirs()) {
if (!workDir.isDirectory()) {
LOG.fatal("Mkdirs failed to create " + workDir.toString());
}
}
String jar = conf.getJar();
if (jar != null) {
// if jar exists, it into workDir
File[] libs = new File(jobCacheDir, "lib").listFiles();
if (libs != null) {
for (int i = 0; i < libs.length; i++) {
classPath.append(sep); // add libs from jar to classpath
classPath.append(libs[i]);
}
}
classPath.append(sep);
classPath.append(new File(jobCacheDir, "classes"));
classPath.append(sep);
classPath.append(jobCacheDir);
}
// include the user specified classpath
// archive paths
Path[] archiveClasspaths = DistributedCache.getArchiveClassPaths(conf);
if (archiveClasspaths != null && archives != null) {
Path[] localArchives = DistributedCache.getLocalCacheArchives(conf);
if (localArchives != null) {
for (int i = 0; i < archives.length; i++) {
for (int j = 0; j < archiveClasspaths.length; j++) {
if (archives[i].getPath().equals(archiveClasspaths[j].toString())) {
classPath.append(sep);
classPath.append(localArchives[i].toString());
}
}
}
}
}
// file paths
Path[] fileClasspaths = DistributedCache.getFileClassPaths(conf);
if (fileClasspaths != null && files != null) {
Path[] localFiles = DistributedCache.getLocalCacheFiles(conf);
if (localFiles != null) {
for (int i = 0; i < files.length; i++) {
for (int j = 0; j < fileClasspaths.length; j++) {
if (files[i].getPath().equals(fileClasspaths[j].toString())) {
classPath.append(sep);
classPath.append(localFiles[i].toString());
}
}
}
}
}
classPath.append(sep);
classPath.append(workDir);
// Build exec child jmv args.
Vector<String> vargs = new Vector<String>(8);
File jvm = // use same jvm as parent
new File(new File(System.getProperty("java.home"), "bin"), "java");
vargs.add(jvm.toString());
// Add child (task) java-vm options.
//
// The following symbols if present in mapred.child.java.opts value are
// replaced:
// + @taskid@ is interpolated with value of TaskID.
// Other occurrences of @ will not be altered.
//
// Example with multiple arguments and substitutions, showing
// jvm GC logging, and start of a passwordless JVM JMX agent so can
// connect with jconsole and the likes to watch child memory, threads
// and get thread dumps.
//
// <property>
// <name>mapred.child.java.opts</name>
// <value>-verbose:gc -Xloggc:/tmp/@[email protected] \
// -Dcom.sun.management.jmxremote.authenticate=false \
// -Dcom.sun.management.jmxremote.ssl=false \
// </value>
// </property>
//
String javaOpts = conf.get("mapred.child.java.opts", "-Xmx200m");
javaOpts = javaOpts.replace("@taskid@", taskid.toString());
String[] javaOptsSplit = javaOpts.split(" ");
// Add java.library.path; necessary for loading native libraries.
//
// 1. To support native-hadoop library i.e. libhadoop.so, we add the
// parent processes' java.library.path to the child.
// 2. We also add the 'cwd' of the task to it's java.library.path to help
// users distribute native libraries via the DistributedCache.
// 3. The user can also specify extra paths to be added to the
// java.library.path via mapred.child.java.opts.
//
String libraryPath = System.getProperty("java.library.path");
if (libraryPath == null) {
libraryPath = workDir.getAbsolutePath();
} else {
libraryPath += sep + workDir;
}
boolean hasUserLDPath = false;
for (int i = 0; i < javaOptsSplit.length; i++) {
if (javaOptsSplit[i].startsWith("-Djava.library.path=")) {
javaOptsSplit[i] += sep + libraryPath;
hasUserLDPath = true;
break;
}
}
if (!hasUserLDPath) {
vargs.add("-Djava.library.path=" + libraryPath);
}
for (int i = 0; i < javaOptsSplit.length; i++) {
vargs.add(javaOptsSplit[i]);
}
// add java.io.tmpdir given by mapred.child.tmp
String tmp = conf.get("mapred.child.tmp", "./tmp");
Path tmpDir = new Path(tmp);
// if temp directory path is not absolute
// prepend it with workDir.
if (!tmpDir.isAbsolute()) {
tmpDir = new Path(workDir.toString(), tmp);
}
FileSystem localFs = FileSystem.getLocal(conf);
if (!localFs.mkdirs(tmpDir) && !localFs.getFileStatus(tmpDir).isDir()) {
throw new IOException("Mkdirs failed to create " + tmpDir.toString());
}
vargs.add("-Djava.io.tmpdir=" + tmpDir.toString());
// Add classpath.
vargs.add("-classpath");
vargs.add(classPath.toString());
// Setup the log4j prop
long logSize = TaskLog.getTaskLogLength(conf);
vargs.add(
"-Dhadoop.log.dir=" + new File(System.getProperty("hadoop.log.dir")).getAbsolutePath());
vargs.add("-Dhadoop.root.logger=INFO,TLA");
vargs.add("-Dhadoop.tasklog.taskid=" + taskid);
vargs.add("-Dhadoop.tasklog.totalLogFileSize=" + logSize);
if (conf.getProfileEnabled()) {
if (conf.getProfileTaskRange(t.isMapTask()).isIncluded(t.getPartition())) {
File prof = TaskLog.getTaskLogFile(taskid, TaskLog.LogName.PROFILE);
vargs.add(String.format(conf.getProfileParams(), prof.toString()));
}
}
// Add main class and its arguments
vargs.add(Child.class.getName()); // main of Child
// pass umbilical address
InetSocketAddress address = tracker.getTaskTrackerReportAddress();
vargs.add(address.getAddress().getHostAddress());
vargs.add(Integer.toString(address.getPort()));
vargs.add(taskid.toString()); // pass task identifier
String pidFile = null;
if (tracker.isTaskMemoryManagerEnabled()) {
pidFile =
lDirAlloc
.getLocalPathForWrite(
(TaskTracker.getPidFilesSubdir() + Path.SEPARATOR + taskid), this.conf)
.toString();
}
// set memory limit using ulimit if feasible and necessary ...
String[] ulimitCmd = Shell.getUlimitMemoryCommand(conf);
List<String> setup = null;
if (ulimitCmd != null) {
setup = new ArrayList<String>();
for (String arg : ulimitCmd) {
setup.add(arg);
}
}
// Set up the redirection of the task's stdout and stderr streams
File stdout = TaskLog.getTaskLogFile(taskid, TaskLog.LogName.STDOUT);
File stderr = TaskLog.getTaskLogFile(taskid, TaskLog.LogName.STDERR);
stdout.getParentFile().mkdirs();
tracker.getTaskTrackerInstrumentation().reportTaskLaunch(taskid, stdout, stderr);
Map<String, String> env = new HashMap<String, String>();
StringBuffer ldLibraryPath = new StringBuffer();
ldLibraryPath.append(workDir.toString());
String oldLdLibraryPath = null;
oldLdLibraryPath = System.getenv("LD_LIBRARY_PATH");
if (oldLdLibraryPath != null) {
ldLibraryPath.append(sep);
ldLibraryPath.append(oldLdLibraryPath);
}
env.put("LD_LIBRARY_PATH", ldLibraryPath.toString());
jvmManager.launchJvm(
this,
jvmManager.constructJvmEnv(
setup, vargs, stdout, stderr, logSize, workDir, env, pidFile, conf));
synchronized (lock) {
while (!done) {
lock.wait();
}
}
tracker.getTaskTrackerInstrumentation().reportTaskEnd(t.getTaskID());
if (exitCodeSet) {
if (!killed && exitCode != 0) {
if (exitCode == 65) {
tracker.getTaskTrackerInstrumentation().taskFailedPing(t.getTaskID());
}
throw new IOException("Task process exit with nonzero status of " + exitCode + ".");
}
}
} catch (FSError e) {
LOG.fatal("FSError", e);
try {
tracker.fsError(t.getTaskID(), e.getMessage());
} catch (IOException ie) {
LOG.fatal(t.getTaskID() + " reporting FSError", ie);
}
} catch (Throwable throwable) {
LOG.warn(t.getTaskID() + " Child Error", throwable);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
throwable.printStackTrace(new PrintStream(baos));
try {
tracker.reportDiagnosticInfo(t.getTaskID(), baos.toString());
} catch (IOException e) {
LOG.warn(t.getTaskID() + " Reporting Diagnostics", e);
}
} finally {
try {
URI[] archives = DistributedCache.getCacheArchives(conf);
URI[] files = DistributedCache.getCacheFiles(conf);
if (archives != null) {
for (int i = 0; i < archives.length; i++) {
DistributedCache.releaseCache(archives[i], conf);
}
}
if (files != null) {
for (int i = 0; i < files.length; i++) {
DistributedCache.releaseCache(files[i], conf);
}
}
} catch (IOException ie) {
LOG.warn("Error releasing caches : Cache files might not have been cleaned up");
}
tracker.reportTaskFinished(t.getTaskID(), false);
if (t.isMapTask()) {
tracker.addFreeMapSlot();
} else {
tracker.addFreeReduceSlot();
}
}
}
/**
* Service.
*
* @param o the o
* @param session the session
*/
void service(IoBuffer o, IoSession session) {
try {
// System.out.println(o.remaining() + "/" + o.capacity());
session.setAttribute("last", System.currentTimeMillis());
SimpleIoBuffer in = (SimpleIoBuffer) session.getAttribute("buf");
if (in == null) {
in = SimpleIoBuffer.create(4096);
session.setAttribute("buf", in);
}
byte[] data = new byte[o.remaining()];
o.get(data);
in.append(data);
// log.debug("recv: " + data.length + ", " +
// session.getRemoteAddress());
while (in.length() > 5) {
in.mark();
/**
* Byte 1: head of the package<br>
* bit 7-6: "01", indicator of MDC<br>
* bit 5: encrypt indicator, "0": no; "1": encrypted<br>
* bit 4: zip indicator, "0": no, "1": ziped<br>
* bit 0-3: reserved<br>
* Byte 2-5: length of data<br>
* Byte[…]: data array<br>
*/
byte head = in.read();
/** test the head indicator, if not correct close it */
if ((head & 0xC0) != 0x40) {
log.info("flag is not correct! flag:" + head + ",from: " + session.getRemoteAddress());
session.close(true);
return;
}
int len = in.getInt();
if (len <= 0 || len > MAX_SIZE) {
log.error(
"mdcconnector.Wrong lendth: "
+ len
+ "/"
+ MAX_SIZE
+ " - "
+ session.getRemoteAddress());
session.close(true);
break;
}
if (in.length() < len) {
in.reset();
break;
} else {
// do it
// log.info("stub.package.size: " + len);
byte[] b = new byte[len];
in.read(b);
if (TConn.DEBUG) {
log.debug("recv: " + Bean.toString(b));
}
/** test the zip flag */
if ((head & 0x10) > 0) {
b = Zip.unzip(b);
}
final TConn d = (TConn) session.getAttribute("conn");
if (d != null) {
/** test the encrypted flag */
if ((head & 0x20) > 0) {
b = DES.decode(b, d.deskey);
}
final byte[] bb = b;
/** test if the packet is for mdc or app */
new WorkerTask() {
@Override
public void onExecute() {
d.process(bb);
}
}.schedule(0);
session.setAttribute("last", System.currentTimeMillis());
}
}
}
} catch (Throwable e) {
log.error("closing stub: " + session.getRemoteAddress(), e);
session.close(true);
}
}
public TempFile(File file) {
this.file = file;
created = System.currentTimeMillis();
}
public boolean getOld() {
long now = System.currentTimeMillis() - created;
float elapsedmins = now / (60 * 1000F);
return elapsedmins > DELETE_WAIT;
}
private void handleLoginPost(
Request request, HttpServletResponse httpServletResponse, boolean secured) throws Exception {
String userId = request.getParameter(PARAM_USER_ID);
String password = request.getParameter(PARAM_PASSWORD);
String rememberAccountStr = request.getParameter(PARAM_REMEMBER_ACCOUNT);
boolean rememberAccount = Boolean.parseBoolean(rememberAccountStr);
LoginInfo.SessionInfo sessionInfo = UserHelpers.getSessionInfo(request);
logOut(sessionInfo.browserId);
User user = userDb.get(userId);
if (user == null) {
WebUtils.redirectToError("User " + userId + " not found", request, httpServletResponse);
return;
}
if (!user.checkPassword(password)) {
WebUtils.redirectToError("Invalid password", request, httpServletResponse);
return;
}
if (!user.active) {
WebUtils.redirectToError(
"Account for User " + userId + " needs to be activated", request, httpServletResponse);
return;
}
LOG.info("Logged in user " + userId);
sessionInfo.sessionId = null;
if (sessionInfo.browserId == null) {
sessionInfo.browserId = getRandomId();
} else {
for (LoginInfo loginInfo : loginInfoDb.getLoginsForBrowser(sessionInfo.browserId)) {
if (userId.equals(loginInfo.userId)) {
sessionInfo.sessionId = loginInfo.sessionId;
break;
}
}
}
long expireOn = System.currentTimeMillis() + Config.getConfig().loginExpireInterval;
if (sessionInfo.sessionId == null) {
sessionInfo.sessionId = getRandomId();
Config config = Config.getConfig();
loginInfoDb.add(
new LoginInfo(
sessionInfo.browserId,
sessionInfo.sessionId,
userId,
expireOn,
rememberAccount,
config.defaultStyle,
config.defaultItemsPerPage,
config.defaultFeedDateFormat));
LOG.info(String.format("Logging in in a new session. User: %s", user));
} else {
loginInfoDb.updateExpireTime(sessionInfo.browserId, sessionInfo.sessionId, expireOn);
LOG.info(String.format("Logging in in an existing session. User: %s", user));
}
WebUtils.saveCookies(
httpServletResponse, secured, sessionInfo.browserId, sessionInfo.sessionId);
httpServletResponse.sendRedirect("/");
}