Examples with InstanceManager org.apache.tomcat.InstanceManager used on opensource projects

Example 11 with InstanceManager

use of org.apache.tomcat.InstanceManager in project tomcat by apache.

the class WsSession method fireEndpointOnClose.

private void fireEndpointOnClose(CloseReason closeReason) {
    // Fire the onClose event
    Throwable throwable = null;
    InstanceManager instanceManager = getInstanceManager();
    Thread t = Thread.currentThread();
    ClassLoader cl = t.getContextClassLoader();
    t.setContextClassLoader(applicationClassLoader);
    try {
        localEndpoint.onClose(this, closeReason);
    } catch (Throwable t1) {
        ExceptionUtils.handleThrowable(t1);
        throwable = t1;
    } finally {
        if (instanceManager != null) {
            try {
                instanceManager.destroyInstance(localEndpoint);
            } catch (Throwable t2) {
                ExceptionUtils.handleThrowable(t2);
                if (throwable == null) {
                    throwable = t2;
                }
            }
        }
        t.setContextClassLoader(cl);
    }
    if (throwable != null) {
        fireEndpointOnError(throwable);
    }
}

Example 12 with InstanceManager

use of org.apache.tomcat.InstanceManager in project tomcat by apache.

the class WsRemoteEndpointImplBase method setEncoders.

protected void setEncoders(EndpointConfig endpointConfig) throws DeploymentException {
    encoderEntries.clear();
    for (Class<? extends Encoder> encoderClazz : endpointConfig.getEncoders()) {
        Encoder instance;
        InstanceManager instanceManager = wsSession.getInstanceManager();
        try {
            if (instanceManager == null) {
                instance = encoderClazz.getConstructor().newInstance();
            } else {
                instance = (Encoder) instanceManager.newInstance(encoderClazz);
            }
            instance.init(endpointConfig);
        } catch (ReflectiveOperationException | NamingException e) {
            throw new DeploymentException(sm.getString("wsRemoteEndpoint.invalidEncoder", encoderClazz.getName()), e);
        }
        EncoderEntry entry = new EncoderEntry(Util.getEncoderType(encoderClazz), instance);
        encoderEntries.add(entry);
    }
}

Example 13 with InstanceManager

use of org.apache.tomcat.InstanceManager in project tomcat by apache.

the class JspServletWrapper method getServlet.

public Servlet getServlet() throws ServletException {
    /*
         * DCL on 'reload' requires that 'reload' be volatile
         * (this also forces a read memory barrier, ensuring the new servlet
         * object is read consistently).
         *
         * When running in non development mode with a checkInterval it is
         * possible (see BZ 62603) for a race condition to cause failures
         * if a Servlet or tag is reloaded while a compile check is running
         */
    if (getReloadInternal() || theServlet == null) {
        synchronized (this) {
            // of different pages, but not the same page.
            if (getReloadInternal() || theServlet == null) {
                // This is to maintain the original protocol.
                destroy();
                final Servlet servlet;
                try {
                    InstanceManager instanceManager = InstanceManagerFactory.getInstanceManager(config);
                    servlet = (Servlet) instanceManager.newInstance(ctxt.getFQCN(), ctxt.getJspLoader());
                } catch (Exception e) {
                    Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
                    ExceptionUtils.handleThrowable(t);
                    throw new JasperException(t);
                }
                servlet.init(config);
                if (theServlet != null) {
                    ctxt.getRuntimeContext().incrementJspReloadCount();
                }
                theServlet = servlet;
                reload = false;
            // Volatile 'reload' forces in order write of 'theServlet' and new servlet object
            }
        }
    }
    return theServlet;
}

Example 14 with InstanceManager

use of org.apache.tomcat.InstanceManager in project tomcat by apache.

the class TestDefaultInstanceManager method testConcurrency.

/*
     * Performance test. Comment out @Ignore to run the test.
     */
@Ignore
@Test
public void testConcurrency() throws Exception {
    // Create a populated InstanceManager
    Tomcat tomcat = getTomcatInstance();
    Context ctx = tomcat.addContext(null, "", null);
    tomcat.start();
    InstanceManager im = ctx.getInstanceManager();
    for (int i = 1; i < 9; i++) {
        doTestConcurrency(im, i);
    }
}

Example 15 with InstanceManager

use of org.apache.tomcat.InstanceManager in project tomcat by apache.

the class Request method upgrade.

@SuppressWarnings("unchecked")
@Override
public <T extends HttpUpgradeHandler> T upgrade(Class<T> httpUpgradeHandlerClass) throws java.io.IOException, ServletException {
    T handler;
    InstanceManager instanceManager = null;
    try {
        // need injection
        if (InternalHttpUpgradeHandler.class.isAssignableFrom(httpUpgradeHandlerClass)) {
            handler = httpUpgradeHandlerClass.getConstructor().newInstance();
        } else {
            instanceManager = getContext().getInstanceManager();
            handler = (T) instanceManager.newInstance(httpUpgradeHandlerClass);
        }
    } catch (ReflectiveOperationException | NamingException | IllegalArgumentException | SecurityException e) {
        throw new ServletException(e);
    }
    UpgradeToken upgradeToken = new UpgradeToken(handler, getContext(), instanceManager, getUpgradeProtocolName(httpUpgradeHandlerClass));
    coyoteRequest.action(ActionCode.UPGRADE, upgradeToken);
    // Output required by RFC2616. Protocol specific headers should have
    // already been set.
    response.setStatus(HttpServletResponse.SC_SWITCHING_PROTOCOLS);
    return handler;
}