Java Context.stop方法代码示例

import org.apache.catalina.Context; //导入方法依赖的package包/类
public void stopConext() {
	int port = this.getTomcat().getPort();
	Bootstrap b = BootstrapManager.getBoostrap(port);

	if (null == b) {
		return;
	}
	List<Context> cs = b.listContexts();
	
	Context matchedContext = null;
	for (Context c : cs) {
		if (this.nameMatch(c)) {
			try {
				c.stop();
				matchedContext = c;
			} catch (LifecycleException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			break;
		}
	}
	if (matchedContext != null)
		cs.remove(matchedContext);
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
private void doTestBug51376(boolean loadOnStartUp) throws Exception {
    // Test that for a servlet that was added programmatically its
    // loadOnStartup property is honored and its init() and destroy()
    // methods are called.

    // Set up a container
    Tomcat tomcat = getTomcatInstance();

    // No file system docBase required
    Context ctx = tomcat.addContext("", null);

    // Add ServletContainerInitializer
    Bug51376SCI sci = new Bug51376SCI(loadOnStartUp);
    ctx.addServletContainerInitializer(sci, null);

    // Start the context
    tomcat.start();

    // Stop the context
    ctx.stop();

    // Make sure that init() and destroy() were called correctly
    assertTrue(sci.getServlet().isOk());
    assertTrue(loadOnStartUp == sci.getServlet().isInitCalled());
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
@Test
public void testTldListener() throws Exception {
    // Set up a container
    Tomcat tomcat = getTomcatInstance();

    File docBase = new File("test/webapp-3.0");
    Context ctx = tomcat.addContext("", docBase.getAbsolutePath());

    // Start the context
    tomcat.start();

    // Stop the context
    ctx.stop();

    String log = TesterTldListener.getLog();
    Assert.assertTrue(log, log.contains("PASS-01"));
    Assert.assertTrue(log, log.contains("PASS-02"));
    Assert.assertFalse(log, log.contains("FAIL"));
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
/**
 * Invoke the remove method on the deployer.
 */
protected void remove(String contextName) throws Exception {
    // TODO Handle remove also work dir content !
    // Stop the context first to be nicer
    Context context = (Context) host.findChild(contextName);
    if (context != null) {
        if(log.isDebugEnabled())
            log.debug(sm.getString("farmWarDeployer.undeployLocal",
                    contextName));
        context.stop();
        String baseName = context.getBaseName();
        File war = new File(getAppBase(), baseName + ".war");
        File dir = new File(getAppBase(), baseName);
        File xml = new File(configBase, baseName + ".xml");
        if (war.exists()) {
            if (!war.delete()) {
                log.error(sm.getString("farmWarDeployer.deleteFail", war));
            }
        } else if (dir.exists()) {
            undeployDir(dir);
        } else {
            if (!xml.delete()) {
                log.error(sm.getString("farmWarDeployer.deleteFail", xml));
            }
        }
        // Perform new deployment and remove internal HostConfig state
        check(contextName);
    }

}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
/**
 * Stop the web application at the specified context path.
 *
 * @param writer Writer to render to
 * @param cn Name of the application to be stopped
 */
protected void stop(PrintWriter writer, ContextName cn,
        StringManager smClient) {

    if (debug >= 1)
        log("stop: Stopping web application '" + cn + "'");

    if (!validateContextName(cn, writer, smClient)) {
        return;
    }

    String displayPath = cn.getDisplayName();

    try {
        Context context = (Context) host.findChild(cn.getName());
        if (context == null) {
            writer.println(smClient.getString("managerServlet.noContext",
                    RequestUtil.filter(displayPath)));
            return;
        }
        // It isn't possible for the manager to stop itself
        if (context.getName().equals(this.context.getName())) {
            writer.println(smClient.getString("managerServlet.noSelf"));
            return;
        }
        context.stop();
        writer.println(smClient.getString(
                "managerServlet.stopped", displayPath));
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        log("ManagerServlet.stop[" + displayPath + "]", t);
        writer.println(smClient.getString("managerServlet.exception",
                t.toString()));
    }

}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
@Test
public void testTimerThreadLeak() throws Exception {
    Tomcat tomcat = getTomcatInstance();

    // No file system docBase required
    Context ctx = tomcat.addContext("", null);

    if (ctx instanceof StandardContext) {
        ((StandardContext) ctx).setClearReferencesStopThreads(true);
    }

    ExecutorServlet executorServlet = new ExecutorServlet();
    Tomcat.addServlet(ctx, "taskServlet", executorServlet);
    ctx.addServletMapping("/", "taskServlet");

    tomcat.start();

    // This will trigger the timer & thread creation
    getUrl("http://localhost:" + getPort() + "/");

    // Stop the context
    ctx.stop();

    // If the thread still exists, we have a thread/memory leak
    try {
        Thread.sleep(1000);
    } catch (InterruptedException ie) {
        // ignore
    }

    Assert.assertTrue(executorServlet.tpe.isShutdown());
    Assert.assertTrue(executorServlet.tpe.isTerminated());
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
@Test
public void testTimerThreadLeak() throws Exception {
    Tomcat tomcat = getTomcatInstance();

    // No file system docBase required
    Context ctx = tomcat.addContext("", null);

    if (ctx instanceof StandardContext) {
        ((StandardContext) ctx).setClearReferencesStopTimerThreads(true);
    }

    Tomcat.addServlet(ctx, "taskServlet", new TaskServlet());
    ctx.addServletMapping("/", "taskServlet");

    tomcat.start();

    // This will trigger the timer & thread creation
    getUrl("http://localhost:" + getPort() + "/");

    // Stop the context
    ctx.stop();

    Thread[] threads = getThreads();
    for (Thread thread : threads) {
        if (thread != null && thread.isAlive() &&
                TaskServlet.TIMER_THREAD_NAME.equals(thread.getName())) {
            thread.join(5000);
            if (thread.isAlive()) {
                fail("Timer thread still running");
            }
        }
    }
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
/**
 * Invoke the remove method on the deployer.
 */
protected void remove(String contextName) throws Exception {
	// TODO Handle remove also work dir content !
	// Stop the context first to be nicer
	Context context = (Context) host.findChild(contextName);
	if (context != null) {
		if (log.isDebugEnabled())
			log.debug(sm.getString("farmWarDeployer.undeployLocal", contextName));
		context.stop();
		String baseName = context.getBaseName();
		File war = new File(getAppBase(), baseName + ".war");
		File dir = new File(getAppBase(), baseName);
		File xml = new File(configBase, baseName + ".xml");
		if (war.exists()) {
			if (!war.delete()) {
				log.error(sm.getString("farmWarDeployer.deleteFail", war));
			}
		} else if (dir.exists()) {
			undeployDir(dir);
		} else {
			if (!xml.delete()) {
				log.error(sm.getString("farmWarDeployer.deleteFail", xml));
			}
		}
		// Perform new deployment and remove internal HostConfig state
		check(contextName);
	}

}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
/**
 * Stop the web application at the specified context path.
 *
 * @param writer
 *            Writer to render to
 * @param cn
 *            Name of the application to be stopped
 */
protected void stop(PrintWriter writer, ContextName cn, StringManager smClient) {

	if (debug >= 1)
		log("stop: Stopping web application '" + cn + "'");

	if (!validateContextName(cn, writer, smClient)) {
		return;
	}

	String displayPath = cn.getDisplayName();

	try {
		Context context = (Context) host.findChild(cn.getName());
		if (context == null) {
			writer.println(smClient.getString("managerServlet.noContext", RequestUtil.filter(displayPath)));
			return;
		}
		// It isn't possible for the manager to stop itself
		if (context.getName().equals(this.context.getName())) {
			writer.println(smClient.getString("managerServlet.noSelf"));
			return;
		}
		context.stop();
		writer.println(smClient.getString("managerServlet.stopped", displayPath));
	} catch (Throwable t) {
		ExceptionUtils.handleThrowable(t);
		log("ManagerServlet.stop[" + displayPath + "]", t);
		writer.println(smClient.getString("managerServlet.exception", t.toString()));
	}

}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
@Test
public void testThreadLocalLeak1() throws Exception {

    Tomcat tomcat = getTomcatInstance();
    // Need to make sure we see a leak for the right reasons
    tomcat.getServer().addLifecycleListener(
            new JreMemoryLeakPreventionListener());

    // No file system docBase required
    Context ctx = tomcat.addContext("", null);

    Tomcat.addServlet(ctx, "leakServlet1",
            "org.apache.tomcat.unittest.TesterLeakingServlet1");
    ctx.addServletMapping("/leak1", "leakServlet1");

    tomcat.start();

    Executor executor = tomcat.getConnector().getProtocolHandler().getExecutor();
    ((ThreadPoolExecutor) executor).setThreadRenewalDelay(-1);

    // Configure logging filter to check leak message appears
    LogValidationFilter f = new LogValidationFilter(
            "The web application [] created a ThreadLocal with key of");
    LogManager.getLogManager().getLogger(
            "org.apache.catalina.loader.WebappClassLoaderBase").setFilter(f);

    // Need to force loading of all web application classes via the web
    // application class loader
    loadClass("TesterCounter",
            (WebappClassLoaderBase) ctx.getLoader().getClassLoader());
    loadClass("TesterLeakingServlet1",
            (WebappClassLoaderBase) ctx.getLoader().getClassLoader());

    // This will trigger the ThreadLocal creation
    int rc = getUrl("http://localhost:" + getPort() + "/leak1",
            new ByteChunk(), null);

    // Make sure request is OK
    Assert.assertEquals(HttpServletResponse.SC_OK, rc);

    // Destroy the context
    ctx.stop();
    tomcat.getHost().removeChild(ctx);
    ctx = null;

    // Make sure we have a memory leak
    String[] leaks = ((StandardHost) tomcat.getHost())
            .findReloadedContextMemoryLeaks();
    Assert.assertNotNull(leaks);
    Assert.assertTrue(leaks.length > 0);

    // Make sure the message was logged
    Assert.assertEquals(1, f.getMessageCount());
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
@Test
public void testThreadLocalLeak2() throws Exception {

    Tomcat tomcat = getTomcatInstance();
    // Need to make sure we see a leak for the right reasons
    tomcat.getServer().addLifecycleListener(
            new JreMemoryLeakPreventionListener());

    // No file system docBase required
    Context ctx = tomcat.addContext("", null);

    Tomcat.addServlet(ctx, "leakServlet2",
            "org.apache.tomcat.unittest.TesterLeakingServlet2");
    ctx.addServletMapping("/leak2", "leakServlet2");

    tomcat.start();

    Executor executor = tomcat.getConnector().getProtocolHandler().getExecutor();
    ((ThreadPoolExecutor) executor).setThreadRenewalDelay(-1);

    // Configure logging filter to check leak message appears
    LogValidationFilter f = new LogValidationFilter(
            "The web application [] created a ThreadLocal with key of");
    LogManager.getLogManager().getLogger(
            "org.apache.catalina.loader.WebappClassLoaderBase").setFilter(f);

    // Need to force loading of all web application classes via the web
    // application class loader
    loadClass("TesterCounter",
            (WebappClassLoaderBase) ctx.getLoader().getClassLoader());
    loadClass("TesterThreadScopedHolder",
            (WebappClassLoaderBase) ctx.getLoader().getClassLoader());
    loadClass("TesterLeakingServlet2",
            (WebappClassLoaderBase) ctx.getLoader().getClassLoader());

    // This will trigger the ThreadLocal creation
    int rc = getUrl("http://localhost:" + getPort() + "/leak2",
            new ByteChunk(), null);

    // Make sure request is OK
    Assert.assertEquals(HttpServletResponse.SC_OK, rc);

    // Destroy the context
    ctx.stop();
    tomcat.getHost().removeChild(ctx);
    ctx = null;

    // Make sure we have a memory leak
    String[] leaks = ((StandardHost) tomcat.getHost())
            .findReloadedContextMemoryLeaks();
    Assert.assertNotNull(leaks);
    Assert.assertTrue(leaks.length > 0);

    // Make sure the message was logged
    Assert.assertEquals(1, f.getMessageCount());
}
 

import org.apache.catalina.Context; //导入方法依赖的package包/类
@Test
public void testBug54239() throws Exception {
    Tomcat tomcat = getTomcatInstance();

    File appDir = new File("test/webapp-3.0");
    Context ctx = tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
    tomcat.start();

    ServletContext context = ctx.getServletContext();

    ELInterpreter interpreter =
            ELInterpreterFactory.getELInterpreter(context);
    Assert.assertNotNull(interpreter);
    Assert.assertTrue(interpreter instanceof DefaultELInterpreter);

    context.removeAttribute(ELInterpreter.class.getName());

    context.setAttribute(ELInterpreter.class.getName(),
            SimpleELInterpreter.class.getName());
    interpreter = ELInterpreterFactory.getELInterpreter(context);
    Assert.assertNotNull(interpreter);
    Assert.assertTrue(interpreter instanceof SimpleELInterpreter);

    context.removeAttribute(ELInterpreter.class.getName());

    SimpleELInterpreter simpleInterpreter = new SimpleELInterpreter();
    context.setAttribute(ELInterpreter.class.getName(), simpleInterpreter);
    interpreter = ELInterpreterFactory.getELInterpreter(context);
    Assert.assertNotNull(interpreter);
    Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
    Assert.assertTrue(interpreter == simpleInterpreter);

    context.removeAttribute(ELInterpreter.class.getName());

    ctx.stop();
    ctx.addApplicationListener(Bug54239Listener.class.getName());
    ctx.start();

    interpreter = ELInterpreterFactory.getELInterpreter(ctx.getServletContext());
    Assert.assertNotNull(interpreter);
    Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
}