public void contextInitialized(ServletContextEvent event) {
try {
final ServletContext context = event.getServletContext();
// Install the current servlet context, unless its already been set
final WebAppController controller = WebAppController.get();
try {
// Attempt to set the context
controller.setContext(context);
}
catch (IllegalStateException e) {
// context already set ignore
}
// Setup the default install strategy if not already configured
try {
controller.setInstallStrategy(new DefaultInstallStrategy());
}
catch (IllegalStateException e) {
// strategy already set ignore
}
// use the current request to determine the language
LocaleProvider.setProvider(new LocaleProvider() {
public Locale get() {
Locale locale=null;
StaplerRequest req = Stapler.getCurrentRequest();
if(req!=null)
locale = req.getLocale();
if(locale==null)
locale = Locale.getDefault();
return locale;
}
});
// quick check to see if we (seem to) have enough permissions to run. (see #719)
JVM jvm;
try {
jvm = new JVM();
new URLClassLoader(new URL[0],getClass().getClassLoader());
} catch(SecurityException e) {
controller.install(new InsufficientPermissionDetected(e));
return;
}
try {// remove Sun PKCS11 provider if present. See http://wiki.hudson-ci.org/display/HUDSON/Solaris+Issue+6276483
Security.removeProvider("SunPKCS11-Solaris");
} catch (SecurityException e) {
// ignore this error.
}
installLogger();
File dir = getHomeDir(event);
try {
dir = dir.getCanonicalFile();
}
catch (IOException e) {
dir = dir.getAbsoluteFile();
}
final File home = dir;
home.mkdirs();
LOGGER.info("Home directory: " + home);
// check that home exists (as mkdirs could have failed silently), otherwise throw a meaningful error
if (! home.exists()) {
controller.install(new NoHomeDir(home));
return;
}
// make sure that we are using XStream in the "enhanced" (JVM-specific) mode
if(jvm.bestReflectionProvider().getClass()==PureJavaReflectionProvider.class) {
// nope
controller.install(new IncompatibleVMDetected());
return;
}
// JNA is no longer a hard requirement. It's just nice to have. See HUDSON-4820 for more context.
// // make sure JNA works. this can fail if
// // - platform is unsupported
// // - JNA is already loaded in another classloader
// // see http://wiki.hudson-ci.org/display/HUDSON/JNA+is+already+loaded
// // TODO: or shall we instead modify Hudson to work gracefully without JNA?
// try {
// /*
// java.lang.UnsatisfiedLinkError: Native Library /builds/apps/glassfish/domains/hudson-domain/generated/jsp/j2ee-modules/hudson-1.309/loader/com/sun/jna/sunos-sparc/libjnidispatch.so already loaded in another classloader
// at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1743)
// at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1674)
// at java.lang.Runtime.load0(Runtime.java:770)
// at java.lang.System.load(System.java:1005)
// at com.sun.jna.Native.loadNativeLibraryFromJar(Native.java:746)
// at com.sun.jna.Native.loadNativeLibrary(Native.java:680)
// at com.sun.jna.Native.<clinit>(Native.java:108)
// at hudson.util.jna.GNUCLibrary.<clinit>(GNUCLibrary.java:86)
// at hudson.Util.createSymlink(Util.java:970)
// at hudson.model.Run.run(Run.java:1174)
// at hudson.matrix.MatrixBuild.run(MatrixBuild.java:149)
// at hudson.model.ResourceController.execute(ResourceController.java:88)
// at hudson.model.Executor.run(Executor.java:123)
// */
// String.valueOf(Native.POINTER_SIZE); // this meaningless operation forces the classloading and initialization
// } catch (LinkageError e) {
// if (e.getMessage().contains("another classloader"))
// controller.install(new JNADoublyLoaded(e));
// else
// controller.install(new HudsonFailedToLoad(e));
// }
// make sure this is servlet 2.4 container or above
try {
ServletResponse.class.getMethod("setCharacterEncoding",String.class);
} catch (NoSuchMethodException e) {
controller.install(new IncompatibleServletVersionDetected(ServletResponse.class));
return;
}
// make sure that we see Ant 1.7
try {
FileSet.class.getMethod("getDirectoryScanner");
} catch (NoSuchMethodException e) {
controller.install(new IncompatibleAntVersionDetected(FileSet.class));
return;
}
// make sure AWT is functioning, or else JFreeChart won't even load.
if(ChartUtil.awtProblemCause!=null) {
controller.install(new AWTProblem(ChartUtil.awtProblemCause));
return;
}
// some containers (in particular Tomcat) doesn't abort a launch
// even if the temp directory doesn't exist.
// check that and report an error
try {
File f = File.createTempFile("test", "test");
f.delete();
} catch (IOException e) {
controller.install(new NoTempDir(e));
return;
}
// Tomcat breaks XSLT with JDK 5.0 and onward. Check if that's the case, and if so,
// try to correct it
try {
TransformerFactory.newInstance();
// if this works we are all happy
} catch (TransformerFactoryConfigurationError x) {
// no it didn't.
LOGGER.log(Level.WARNING, "XSLT not configured correctly. Hudson will try to fix this. See http://issues.apache.org/bugzilla/show_bug.cgi?id=40895 for more details",x);
System.setProperty(TransformerFactory.class.getName(),"com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");
try {
TransformerFactory.newInstance();
LOGGER.info("XSLT is set to the JAXP RI in JRE");
} catch(TransformerFactoryConfigurationError y) {
LOGGER.log(Level.SEVERE, "Failed to correct the problem.");
}
}
installExpressionFactory(event);
controller.install(new HudsonIsLoading());
new Thread("hudson initialization thread") {
@Override
public void run() {
try {
// Creating of the god object performs most of the booting muck
Hudson hudson = new Hudson(home,context);
// once its done, hook up to stapler and things should be ready to go
controller.install(hudson);
// trigger the loading of changelogs in the background,
// but give the system 10 seconds so that the first page
// can be served quickly
Trigger.timer.schedule(new SafeTimerTask() {
public void doRun() {
User.getUnknown().getBuilds();
}
}, 1000*10);
} catch (Error e) {
LOGGER.log(Level.SEVERE, "Failed to initialize Hudson",e);
controller.install(new HudsonFailedToLoad(e));
throw e;
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "Failed to initialize Hudson",e);
controller.install(new HudsonFailedToLoad(e));
}
}
}.start();
} catch (Error e) {
LOGGER.log(Level.SEVERE, "Failed to initialize Hudson",e);