in core/src/main/java/hudson/WebAppMain.java [130:314]
public void contextInitialized(ServletContextEvent event) {
// Nicer console log formatting when using mvn jetty:run.
if (Main.isDevelopmentMode && System.getProperty("java.util.logging.config.file") == null) {
try {
Formatter formatter = (Formatter) Class.forName("io.jenkins.lib.support_log_formatter.SupportLogFormatter").newInstance();
for (Handler h : java.util.logging.Logger.getLogger("").getHandlers()) {
if (h instanceof ConsoleHandler) {
((ConsoleHandler) h).setFormatter(formatter);
}
}
} catch (ClassNotFoundException x) {
// ignore
} catch (Exception x) {
LOGGER.log(Level.WARNING, null, x);
}
}
JenkinsJVMAccess._setJenkinsJVM(true);
final ServletContext context = event.getServletContext();
File home=null;
try {
// use the current request to determine the language
LocaleProvider.setProvider(new LocaleProvider() {
public Locale get() {
return Functions.getCurrentLocale();
}
});
// 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) {
throw new InsufficientPermissionDetected(e);
}
try {// remove Sun PKCS11 provider if present. See http://wiki.jenkins-ci.org/display/JENKINS/Solaris+Issue+6276483
Security.removeProvider("SunPKCS11-Solaris");
} catch (SecurityException e) {
// ignore this error.
}
installLogger();
final FileAndDescription describedHomeDir = getHomeDir(event);
home = describedHomeDir.file.getAbsoluteFile();
home.mkdirs();
LOGGER.info("Jenkins home directory: "+ home +" found at: " + describedHomeDir.description);
// check that home exists (as mkdirs could have failed silently), otherwise throw a meaningful error
if (!home.exists())
throw new NoHomeDir(home);
recordBootAttempt(home);
// make sure that we are using XStream in the "enhanced" (JVM-specific) mode
if(jvm.bestReflectionProvider().getClass()==PureJavaReflectionProvider.class) {
throw new IncompatibleVMDetected(); // nope
}
// 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.jenkins-ci.org/display/JENKINS/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"))
// context.setAttribute(APP,new JNADoublyLoaded(e));
// else
// context.setAttribute(APP,new HudsonFailedToLoad(e));
// }
// make sure this is servlet 2.4 container or above
try {
ServletResponse.class.getMethod("setCharacterEncoding",String.class);
} catch (NoSuchMethodException e) {
throw new IncompatibleServletVersionDetected(ServletResponse.class);
}
// make sure that we see Ant 1.7
try {
FileSet.class.getMethod("getDirectoryScanner");
} catch (NoSuchMethodException e) {
throw new IncompatibleAntVersionDetected(FileSet.class);
}
// make sure AWT is functioning, or else JFreeChart won't even load.
if(ChartUtil.awtProblemCause!=null) {
throw new AWTProblem(ChartUtil.awtProblemCause);
}
// 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) {
throw new NoTempDir(e);
}
// 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(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(SEVERE, "Failed to correct the problem.");
}
}
installExpressionFactory(event);
context.setAttribute(APP,new HudsonIsLoading());
if (SystemProperties.getBoolean(FORCE_SESSION_TRACKING_BY_COOKIE_PROP, true)) {
context.setSessionTrackingModes(EnumSet.of(SessionTrackingMode.COOKIE));
}
final File _home = home;
initThread = new Thread("Jenkins initialization thread") {
@Override
public void run() {
boolean success = false;
try {
Jenkins instance = new Hudson(_home, context);
// one last check to make sure everything is in order before we go live
if (Thread.interrupted())
throw new InterruptedException();
context.setAttribute(APP, instance);
BootFailure.getBootFailureFile(_home).delete();
// at this point we are open for business and serving requests normally
LOGGER.info("Jenkins is fully up and running");
success = true;
} catch (Error e) {
new HudsonFailedToLoad(e).publish(context,_home);
throw e;
} catch (Exception e) {
new HudsonFailedToLoad(e).publish(context,_home);
} finally {
Jenkins instance = Jenkins.getInstanceOrNull();
if(!success && instance!=null)
instance.cleanUp();
}
}
};
initThread.start();
} catch (BootFailure e) {
e.publish(context, home);
} catch (Error | RuntimeException e) {
LOGGER.log(SEVERE, "Failed to initialize Jenkins",e);
throw e;
}
}