@SuppressWarnings("unchecked")
public static void main(String[] args) throws IOException, HiveException {
String planFileName = null;
String jobConfFileName = null;
boolean noLog = false;
String files = null;
boolean localtask = false;
try {
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-plan")) {
planFileName = args[++i];
} else if (args[i].equals("-jobconffile")) {
jobConfFileName = args[++i];
} else if (args[i].equals("-nolog")) {
noLog = true;
} else if (args[i].equals("-files")) {
files = args[++i];
} else if (args[i].equals("-localtask")) {
localtask = true;
}
}
} catch (IndexOutOfBoundsException e) {
System.err.println("Missing argument to option");
printUsage();
}
JobConf conf;
if (localtask) {
conf = new JobConf(MapredLocalTask.class);
} else {
conf = new JobConf(ExecDriver.class);
}
if (jobConfFileName != null) {
conf.addResource(new Path(jobConfFileName));
}
if (files != null) {
conf.set("tmpfiles", files);
}
if (UserGroupInformation.isSecurityEnabled()) {
String hadoopAuthToken = System.getenv(UserGroupInformation.HADOOP_TOKEN_FILE_LOCATION);
if (hadoopAuthToken != null) {
conf.set("mapreduce.job.credentials.binary", hadoopAuthToken);
}
}
boolean isSilent = HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVESESSIONSILENT);
String queryId = HiveConf.getVar(conf, HiveConf.ConfVars.HIVEQUERYID, "").trim();
if (queryId.isEmpty()) {
queryId = "unknown-" + System.currentTimeMillis();
}
System.setProperty(HiveConf.ConfVars.HIVEQUERYID.toString(), queryId);
if (noLog) {
// If started from main(), and noLog is on, we should not output
// any logs. To turn the log on, please set -Dtest.silent=false
org.apache.logging.log4j.Logger logger = org.apache.logging.log4j.LogManager.getRootLogger();
NullAppender appender = NullAppender.createNullAppender();
appender.addToLogger(logger.getName(), Level.ERROR);
appender.start();
} else {
setupChildLog4j(conf);
}
Logger LOG = LoggerFactory.getLogger(ExecDriver.class.getName());
LogHelper console = new LogHelper(LOG, isSilent);
if (planFileName == null) {
console.printError("Must specify Plan File Name");
printUsage();
}
// print out the location of the log file for the user so
// that it's easy to find reason for local mode execution failures
for (Appender appender :
((org.apache.logging.log4j.core.Logger) LogManager.getRootLogger())
.getAppenders()
.values()) {
if (appender instanceof FileAppender) {
console.printInfo("Execution log at: " + ((FileAppender) appender).getFileName());
} else if (appender instanceof RollingFileAppender) {
console.printInfo("Execution log at: " + ((RollingFileAppender) appender).getFileName());
}
}
// the plan file should always be in local directory
Path p = new Path(planFileName);
FileSystem fs = FileSystem.getLocal(conf);
InputStream pathData = fs.open(p);
// this is workaround for hadoop-17 - libjars are not added to classpath of the
// child process. so we add it here explicitly
String auxJars = HiveConf.getVar(conf, HiveConf.ConfVars.HIVEAUXJARS);
String addedJars = HiveConf.getVar(conf, HiveConf.ConfVars.HIVEADDEDJARS);
try {
// see also - code in CliDriver.java
ClassLoader loader = conf.getClassLoader();
if (StringUtils.isNotBlank(auxJars)) {
loader = Utilities.addToClassPath(loader, StringUtils.split(auxJars, ","));
}
if (StringUtils.isNotBlank(addedJars)) {
loader = Utilities.addToClassPath(loader, StringUtils.split(addedJars, ","));
}
conf.setClassLoader(loader);
// Also set this to the Thread ContextClassLoader, so new threads will
// inherit
// this class loader, and propagate into newly created Configurations by
// those
// new threads.
Thread.currentThread().setContextClassLoader(loader);
} catch (Exception e) {
throw new HiveException(e.getMessage(), e);
}
int ret;
if (localtask) {
memoryMXBean = ManagementFactory.getMemoryMXBean();
MapredLocalWork plan = Utilities.deserializePlan(pathData, MapredLocalWork.class, conf);
MapredLocalTask ed = new MapredLocalTask(plan, conf, isSilent);
ret = ed.executeInProcess(new DriverContext());
} else {
MapredWork plan = Utilities.deserializePlan(pathData, MapredWork.class, conf);
ExecDriver ed = new ExecDriver(plan, conf, isSilent);
ret = ed.execute(new DriverContext());
}
if (ret != 0) {
System.exit(ret);
}
}
public void configure(JobConf job) {
memoryMXBean = ManagementFactory.getMemoryMXBean();
l4j.info("maximum memory = " + memoryMXBean.getHeapMemoryUsage().getMax());
try {
l4j.info(
"conf classpath = " + Arrays.asList(((URLClassLoader) job.getClassLoader()).getURLs()));
l4j.info(
"thread classpath = "
+ Arrays.asList(
((URLClassLoader) Thread.currentThread().getContextClassLoader()).getURLs()));
} catch (Exception e) {
l4j.info("cannot get classpath: " + e.getMessage());
}
try {
jc = job;
int estCountBucketSize = jc.getInt("hive.exec.estdistinct.bucketsize.log", 15);
int estCountBufferSize = jc.getInt("hive.exec.estdistinct.buffsize.log", 8);
GenericUDAFCardinalityEstimation.initParams(estCountBucketSize, estCountBufferSize);
boolean isChangSizeZero2Null =
jc.getBoolean(
HiveConf.ConfVars.HIVE_UDTF_EXPLODE_CHANGE_ZERO_SIZE_2_NULL.varname,
HiveConf.ConfVars.HIVE_UDTF_EXPLODE_CHANGE_ZERO_SIZE_2_NULL.defaultBoolVal);
boolean isChangeNull2Null =
jc.getBoolean(
HiveConf.ConfVars.HIVE_UDTF_EXPLODE_CHANGE_NULL_2_NULL.varname,
HiveConf.ConfVars.HIVE_UDTF_EXPLODE_CHANGE_NULL_2_NULL.defaultBoolVal);
GenericUDTFExplode.isChangSizeZero2Null = isChangSizeZero2Null;
GenericUDTFExplode.isChangNull2Null = isChangeNull2Null;
GenericUDTFPosExplode.isChangSizeZero2Null = isChangSizeZero2Null;
GenericUDTFPosExplode.isChangNull2Null = isChangeNull2Null;
mapredWork mrwork = Utilities.getMapRedWork(job);
mo = new MapOperator();
mo.setConf(mrwork);
mo.setChildren(job);
l4j.info(mo.dump(0));
mo.initialize(jc, null);
localWork = mrwork.getMapLocalWork();
if (localWork == null) {
return;
}
fetchOperators = new HashMap<String, FetchOperator>();
for (Map.Entry<String, fetchWork> entry : localWork.getAliasToFetchWork().entrySet()) {
fetchOperators.put(entry.getKey(), new FetchOperator(entry.getValue(), job));
l4j.info("fetchoperator for " + entry.getKey() + " created");
}
for (Map.Entry<String, FetchOperator> entry : fetchOperators.entrySet()) {
Operator<? extends Serializable> forwardOp = localWork.getAliasToWork().get(entry.getKey());
forwardOp.initialize(
jc, new ObjectInspector[] {entry.getValue().getOutputObjectInspector()});
l4j.info("fetchoperator for " + entry.getKey() + " initialized");
}
} catch (Throwable e) {
abort = true;
if (e instanceof OutOfMemoryError) {
throw (OutOfMemoryError) e;
} else {
throw new RuntimeException("Map operator initialization failed", e);
}
}
}
