internal static void StartupShutdownMessage(Type clazz, string[] args, LogAdapter
Log)
{
string hostname = NetUtils.GetHostname();
string classname = clazz.Name;
Log.Info(ToStartupShutdownString("STARTUP_MSG: ", new string[] { "Starting " + classname
, " host = " + hostname, " args = " + Arrays.AsList(args), " version = " + VersionInfo
.GetVersion(), " classpath = " + Runtime.GetProperty("java.class.path"), " build = "
+ VersionInfo.GetUrl() + " -r " + VersionInfo.GetRevision() + "; compiled by '"
+ VersionInfo.GetUser() + "' on " + VersionInfo.GetDate(), " java = " + Runtime
.GetProperty("java.version") }));
if (SystemUtils.IsOsUnix)
{
try
{
SignalLogger.Instance.Register(Log);
}
catch (Exception t)
{
Log.Warn("failed to register any UNIX signal loggers: ", t);
}
}
ShutdownHookManager.Get().AddShutdownHook(new _Runnable_673(Log, classname, hostname
), ShutdownHookPriority);
}
/// <exception cref="System.Exception"/>
public virtual void Run(string[] args)
{
string usage = "RunJar jarFile [mainClass] args...";
if (args.Length < 1)
{
System.Console.Error.WriteLine(usage);
System.Environment.Exit(-1);
}
int firstArg = 0;
string fileName = args[firstArg++];
FilePath file = new FilePath(fileName);
if (!file.Exists() || !file.IsFile())
{
System.Console.Error.WriteLine("Not a valid JAR: " + file.GetCanonicalPath());
System.Environment.Exit(-1);
}
string mainClassName = null;
JarFile jarFile;
try
{
jarFile = new JarFile(fileName);
}
catch (IOException io)
{
throw Extensions.InitCause(new IOException("Error opening job jar: " + fileName
), io);
}
Manifest manifest = jarFile.GetManifest();
if (manifest != null)
{
mainClassName = manifest.GetMainAttributes().GetValue("Main-Class");
}
jarFile.Close();
if (mainClassName == null)
{
if (args.Length < 2)
{
System.Console.Error.WriteLine(usage);
System.Environment.Exit(-1);
}
mainClassName = args[firstArg++];
}
mainClassName = mainClassName.ReplaceAll("/", ".");
FilePath tmpDir = new FilePath(Runtime.GetProperty("java.io.tmpdir"));
EnsureDirectory(tmpDir);
FilePath workDir;
try
{
workDir = FilePath.CreateTempFile("hadoop-unjar", string.Empty, tmpDir);
}
catch (IOException ioe)
{
// If user has insufficient perms to write to tmpDir, default
// "Permission denied" message doesn't specify a filename.
System.Console.Error.WriteLine("Error creating temp dir in java.io.tmpdir " + tmpDir
+ " due to " + ioe.Message);
System.Environment.Exit(-1);
return;
}
if (!workDir.Delete())
{
System.Console.Error.WriteLine("Delete failed for " + workDir);
System.Environment.Exit(-1);
}
EnsureDirectory(workDir);
ShutdownHookManager.Get().AddShutdownHook(new _Runnable_201(workDir), ShutdownHookPriority
);
UnJar(file, workDir);
ClassLoader loader = CreateClassLoader(file, workDir);
Thread.CurrentThread().SetContextClassLoader(loader);
Type mainClass = Runtime.GetType(mainClassName, true, loader);
MethodInfo main = mainClass.GetMethod("main", new Type[] { System.Array.CreateInstance
(typeof(string), 0).GetType() });
string[] newArgs = Collections.ToArray(Arrays.AsList(args).SubList(firstArg
, args.Length), new string[0]);
try
{
main.Invoke(null, new object[] { newArgs });
}
catch (TargetInvocationException e)
{
throw e.InnerException;
}
}