org.apache.tomcat.util.ExceptionUtils Java Examples

The following examples show how to use org.apache.tomcat.util.ExceptionUtils. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: UpgradeServletOutputStream.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
private final void onError(Throwable t) {
    if (listener == null) {
        return;
    }
    ClassLoader oldCL = processor.getUpgradeToken().getContextBind().bind(false, null);
    try {
        listener.onError(t);
    } catch (Throwable t2) {
        ExceptionUtils.handleThrowable(t2);
        log.warn(sm.getString("upgrade.sos.onErrorFail"), t2);
    } finally {
        processor.getUpgradeToken().getContextBind().unbind(false, oldCL);
    }
    try {
        close();
    } catch (IOException ioe) {
        if (log.isDebugEnabled()) {
            log.debug(sm.getString("upgrade.sos.errorCloseFail"), ioe);
        }
    }
}
 
Example #2
Source File: HostManagerServlet.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
 
Example #3
Source File: ApplicationContextFacade.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public <T extends EventListener> T createListener(Class<T> c)
        throws ServletException {
    if (SecurityUtil.isPackageProtectionEnabled()) {
        try {
            return (T) invokeMethod(context, "createListener", 
                                          new Object[]{c});
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            if (t instanceof ServletException) {
                throw (ServletException) t;
            }
            return null;
        }
    } else {
        return context.createListener(c);
    }
}
 
Example #4
Source File: WsSession.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
private void fireEndpointOnClose(CloseReason closeReason) {

        // Fire the onClose event
        InstanceManager instanceManager = webSocketContainer.getInstanceManager();
        Thread t = Thread.currentThread();
        ClassLoader cl = t.getContextClassLoader();
        t.setContextClassLoader(applicationClassLoader);
        try {
            localEndpoint.onClose(this, closeReason);
            if (instanceManager != null) {
                instanceManager.destroyInstance(localEndpoint);
            }
        } catch (Throwable throwable) {
            ExceptionUtils.handleThrowable(throwable);
            localEndpoint.onError(this, throwable);
        } finally {
            t.setContextClassLoader(cl);
        }
    }
 
Example #5
Source File: TesterWsClientAutobahn.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
public static void main(String[] args) throws Exception {

        WebSocketContainer wsc = ContainerProvider.getWebSocketContainer();

        int testCaseCount = getTestCaseCount(wsc);
        System.out.println("There are " + testCaseCount + " test cases");
        for (int testCase = 1; testCase <= testCaseCount; testCase++) {
            if (testCase % 50 == 0) {
                System.out.println(testCase);
            } else {
                System.out.print('.');
            }
            try {
                executeTestCase(wsc, testCase);
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                t.printStackTrace();
            }

        }
        System.out.println("Testing complete");
        updateReports(wsc);
    }
 
Example #6
Source File: ResponseIncludeWrapper.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
@Override
public void addHeader(String name, String value) {
    super.addHeader(name, value);
    String lname = name.toLowerCase(Locale.ENGLISH);
    if (lname.equals(LAST_MODIFIED)) {
        try {
            synchronized(RFC1123_FORMAT) {
                lastModified = RFC1123_FORMAT.parse(value).getTime();
            }
        } catch (Throwable ignore) {
            ExceptionUtils.handleThrowable(ignore);
        }
    } else if (lname.equals(CONTENT_TYPE)) {
        contentType = value;
    }
}
 
Example #7
Source File: StandardManager.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    // Load unloaded sessions, if any
    try {
        load();
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        log.error(sm.getString("standardManager.managerLoad"), t);
    }

    setState(LifecycleState.STARTING);
}
 
Example #8
Source File: ApplicationContextFacade.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
/**
 * Use reflection to invoke the requested method. Cache the method object 
 * to speed up the process
 * @param methodName The method to invoke.
 * @param clazz The class where the method is.
 * @param params The arguments passed to the called method.
 */    
private Object doPrivileged(final String methodName, 
                            final Class<?>[] clazz,
                            Object[] params) {

    try{
        Method method = context.getClass().getMethod(methodName, clazz);
        return executeMethod(method,context,params);
    } catch (Exception ex){
        try {
            handleException(ex);
        } catch (Throwable t){
            ExceptionUtils.handleThrowable(t);
            throw new RuntimeException(t.getMessage());
        }
        return null;
    } finally {
        params = null;
    }
}
 
Example #9
Source File: CharsetMapper.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
/**
 * Construct a new CharsetMapper using the specified properties resource.
 *
 * @param name Name of a properties resource to be loaded
 *
 * @exception IllegalArgumentException if the specified properties
 *  resource could not be loaded for any reason.
 */
public CharsetMapper(String name) {
    InputStream stream = null;
    try {
        stream = this.getClass().getResourceAsStream(name);
        map.load(stream);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        throw new IllegalArgumentException(t.toString());
    } finally {
        if (stream != null) {
            try {
                stream.close();
            } catch (IOException e) {
            }
        }
    }
}
 
Example #10
Source File: AccessLogValve.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
/**
 * Rename the existing log file to something else. Then open the
 * old log file name up once again. Intended to be called by a JMX
 * agent.
 *
 *
 * @param newFileName The file name to move the log file entry to
 * @return true if a file was rotated with no error
 */
public synchronized boolean rotate(String newFileName) {

    if (currentLogFile != null) {
        File holder = currentLogFile;
        close(false);
        try {
            holder.renameTo(new File(newFileName));
        } catch (Throwable e) {
            ExceptionUtils.handleThrowable(e);
            log.error(sm.getString("accessLogValve.rotateFail"), e);
        }

        /* Make sure date is correct */
        dateStamp = fileDateFormatter.format(
                new Date(System.currentTimeMillis()));

        open();
        return true;
    } else {
        return false;
    }

}
 
Example #11
Source File: AccessLogValve.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
/**
 * Move a current but rotated log file back to the unrotated
 * one. Needed if date stamp inclusion is deferred to rotation
 * time.
 */
private void restore() {
    File newLogFile = getLogFile(false);
    File rotatedLogFile = getLogFile(true);
    if (rotatedLogFile.exists() && !newLogFile.exists() &&
        !rotatedLogFile.equals(newLogFile)) {
        try {
            if (!rotatedLogFile.renameTo(newLogFile)) {
                log.error(sm.getString("accessLogValve.renameFail", rotatedLogFile, newLogFile));
            }
        } catch (Throwable e) {
            ExceptionUtils.handleThrowable(e);
            log.error(sm.getString("accessLogValve.renameFail", rotatedLogFile, newLogFile), e);
        }
    }
}
 
Example #12
Source File: HostManagerServlet.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
 
Example #13
Source File: JIoEndpoint.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
/**
 * Process a new connection from a new client. Wraps the socket so
 * keep-alive and other attributes can be tracked and then passes the socket
 * to the executor for processing.
 *
 * @param socket    The socket associated with the client.
 *
 * @return          <code>true</code> if the socket is passed to the
 *                  executor, <code>false</code> if something went wrong or
 *                  if the endpoint is shutting down. Returning
 *                  <code>false</code> is an indication to close the socket
 *                  immediately.
 */
protected boolean processSocket(Socket socket) {
    // Process the request from this socket
    try {
        SocketWrapper<Socket> wrapper = new SocketWrapper<Socket>(socket);
        wrapper.setKeepAliveLeft(getMaxKeepAliveRequests());
        wrapper.setSecure(isSSLEnabled());
        // During shutdown, executor may be null - avoid NPE
        if (!running) {
            return false;
        }
        getExecutor().execute(new SocketProcessor(wrapper));
    } catch (RejectedExecutionException x) {
        log.warn("Socket processing request was rejected for:"+socket,x);
        return false;
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        // This means we got an OOM or similar creating a thread, or that
        // the pool and its queue are full
        log.error(sm.getString("endpoint.process.fail"), t);
        return false;
    }
    return true;
}
 
Example #14
Source File: TesterWsClientAutobahn.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
public static void main(String[] args) throws Exception {

        WebSocketContainer wsc = ContainerProvider.getWebSocketContainer();

        int testCaseCount = getTestCaseCount(wsc);
        System.out.println("There are " + testCaseCount + " test cases");
        for (int testCase = 1; testCase <= testCaseCount; testCase++) {
            if (testCase % 50 == 0) {
                System.out.println(testCase);
            } else {
                System.out.print('.');
            }
            try {
                executeTestCase(wsc, testCase);
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                t.printStackTrace();
            }

        }
        System.out.println("Testing complete");
        updateReports(wsc);
    }
 
Example #15
Source File: ApplicationContextFacade.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public <T extends Filter> T createFilter(Class<T> c)
throws ServletException {
    if (SecurityUtil.isPackageProtectionEnabled()) {
        try {
            return (T) invokeMethod(context, "createFilter",
                                          new Object[]{c});
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            if (t instanceof ServletException) {
                throw (ServletException) t;
            }
            return null;
        }
    } else {
        return context.createFilter(c);
    }
}
 
Example #16
Source File: JIoEndpoint.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
/**
 * Configure the socket.
 */
protected boolean setSocketOptions(Socket socket) {
    try {
        // 1: Set socket options: timeout, linger, etc
        socketProperties.setProperties(socket);
    } catch (SocketException s) {
        //error here is common if the client has reset the connection
        if (log.isDebugEnabled()) {
            log.debug(sm.getString("endpoint.err.unexpected"), s);
        }
        // Close the socket
        return false;
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        log.error(sm.getString("endpoint.err.unexpected"), t);
        // Close the socket
        return false;
    }
    return true;
}
 
Example #17
Source File: ApplicationContextFacade.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public <T extends Filter> T createFilter(Class<T> c)
throws ServletException {
    if (SecurityUtil.isPackageProtectionEnabled()) {
        try {
            return (T) invokeMethod(context, "createFilter", 
                                          new Object[]{c});
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            if (t instanceof ServletException) {
                throw (ServletException) t;
            }
            return null;
        }
    } else {
        return context.createFilter(c);
    }
}
 
Example #18
Source File: PojoEndpointBase.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
@Override
public final void onError(Session session, Throwable throwable) {

    if (methodMapping.getOnError() == null) {
        log.error(sm.getString("pojoEndpointBase.onError",
                pojo.getClass().getName()), throwable);
    } else {
        try {
            methodMapping.getOnError().invoke(
                    pojo,
                    methodMapping.getOnErrorArgs(pathParameters, session,
                            throwable));
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            log.error(sm.getString("pojoEndpointBase.onErrorFail",
                    pojo.getClass().getName()), t);
        }
    }
}
 
Example #19
Source File: ApplicationContextFacade.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up
/**
 * @deprecated As of Java Servlet API 2.1, with no direct replacement.
 */
@Override
@Deprecated
public Servlet getServlet(String name)
    throws ServletException {
    if (SecurityUtil.isPackageProtectionEnabled()) {
        try {
            return (Servlet) invokeMethod(context, "getServlet", 
                                          new Object[]{name});
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            if (t instanceof ServletException) {
                throw (ServletException) t;
            }
            return null;
        }
    } else {
        return context.getServlet(name);
    }
}
 
Example #20
Source File: StandardWrapper.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
/**
 * @return <code>true</code> if the specified class name represents a
 * container provided servlet class that should be loaded by the
 * server class loader.
 *
 * @param classname Name of the class to be checked
 *
 * @deprecated Unused. Will be removed in Tomcat 9
 */
@Deprecated
protected boolean isContainerProvidedServlet(String classname) {

    if (classname.startsWith("org.apache.catalina.")) {
        return true;
    }
    try {
        Class<?> clazz =
            this.getClass().getClassLoader().loadClass(classname);
        return (ContainerServlet.class.isAssignableFrom(clazz));
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        return false;
    }

}
 
Example #21
Source File: AsyncContextImpl.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
@Override
public void fireOnComplete() {
    if (log.isDebugEnabled()) {
        log.debug(sm.getString("asyncContextImpl.fireOnComplete"));
    }
    List<AsyncListenerWrapper> listenersCopy = new ArrayList<>();
    listenersCopy.addAll(listeners);

    ClassLoader oldCL = context.bind(Globals.IS_SECURITY_ENABLED, null);
    try {
        for (AsyncListenerWrapper listener : listenersCopy) {
            try {
                listener.fireOnComplete(event);
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                log.warn(sm.getString("asyncContextImpl.onCompleteError",
                        listener.getClass().getName()), t);
            }
        }
    } finally {
        context.fireRequestDestroyEvent(request.getRequest());
        clearServletRequestResponse();
        this.context.decrementInProgressAsyncCount();
        context.unbind(Globals.IS_SECURITY_ENABLED, oldCL);
    }
}
 
Example #22
Source File: StandardManager.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    // Load unloaded sessions, if any
    try {
        load();
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        log.error(sm.getString("standardManager.managerLoad"), t);
    }

    setState(LifecycleState.STARTING);
}
 
Example #23
Source File: StandardWrapper.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
/**
 * Return <code>true</code> if the specified class name represents a
 * container provided servlet class that should be loaded by the
 * server class loader.
 *
 * @param classname Name of the class to be checked
 */
protected boolean isContainerProvidedServlet(String classname) {

    if (classname.startsWith("org.apache.catalina.")) {
        return (true);
    }
    try {
        Class<?> clazz =
            this.getClass().getClassLoader().loadClass(classname);
        return (ContainerServlet.class.isAssignableFrom(clazz));
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        return (false);
    }

}
 
Example #24
Source File: UpgradeServletOutputStream.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up
private void flushInternal(boolean block, boolean updateFlushing) throws IOException {
    try {
        synchronized (writeLock) {
            if (updateFlushing) {
                flushing = socketWrapper.flush(block);
                if (flushing) {
                    socketWrapper.registerWriteInterest();
                }
            } else {
                socketWrapper.flush(block);
            }
        }
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        onError(t);
        if (t instanceof IOException) {
            throw (IOException) t;
        } else {
            throw new IOException(t);
        }
    }
}
 
Example #25
Source File: WebappLoader.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up
private String getClasspath( ClassLoader loader ) {
    try {
        Method m=loader.getClass().getMethod("getClasspath", new Class[] {});
        if( log.isTraceEnabled())
            log.trace("getClasspath " + m );
        if( m==null ) return null;
        Object o=m.invoke( loader, new Object[] {} );
        if( log.isDebugEnabled() )
            log.debug("gotClasspath " + o);
        if( o instanceof String )
            return (String)o;
        return null;
    } catch( Exception ex ) {
        Throwable t = ExceptionUtils.unwrapInvocationTargetException(ex);
        ExceptionUtils.handleThrowable(t);
        if (log.isDebugEnabled())
            log.debug("getClasspath ", ex);
    }
    return null;
}
 
Example #26
Source File: DefaultInstanceManager.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up
protected Class<?> loadClass(String className, ClassLoader classLoader)
        throws ClassNotFoundException {
    if (className.startsWith("org.apache.catalina")) {
        return containerClassLoader.loadClass(className);
    }
    try {
        Class<?> clazz = containerClassLoader.loadClass(className);
        if (ContainerServlet.class.isAssignableFrom(clazz)) {
            return clazz;
        }
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }
    return classLoader.loadClass(className);
}
 
Example #27
Source File: AsyncContextImpl.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up
public void setStarted(Context context, ServletRequest request,
        ServletResponse response, boolean originalRequestResponse) {

    synchronized (asyncContextLock) {
        this.request.getCoyoteRequest().action(
                ActionCode.ASYNC_START, this);

        this.context = context;
        this.servletRequest = request;
        this.servletResponse = response;
        this.hasOriginalRequestAndResponse = originalRequestResponse;
        this.event = new AsyncEvent(this, request, response);

        List<AsyncListenerWrapper> listenersCopy =
            new ArrayList<AsyncListenerWrapper>();
        listenersCopy.addAll(listeners);
        listeners.clear();
        for (AsyncListenerWrapper listener : listenersCopy) {
            try {
                listener.fireOnStartAsync(event);
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                log.warn("onStartAsync() failed for listener of type [" +
                        listener.getClass().getName() + "]", t);
            }
        }
    }
}
 
Example #28
Source File: AprEndpoint.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up
/**
 * Process given socket. This is called when the socket has been
 * accepted.
 */
protected boolean processSocketWithOptions(long socket) {
    try {
        // During shutdown, executor may be null - avoid NPE
        if (running) {
            if (log.isDebugEnabled()) {
                log.debug(sm.getString("endpoint.debug.socket",
                        Long.valueOf(socket)));
            }
            AprSocketWrapper wrapper =
                    new AprSocketWrapper(Long.valueOf(socket));
            wrapper.setKeepAliveLeft(getMaxKeepAliveRequests());
            wrapper.setSecure(isSSLEnabled());
            connections.put(Long.valueOf(socket), wrapper);

            // todo 为了方便测试,修改为单线程
            //getExecutor().execute(new SocketWithOptionsProcessor(wrapper));

            new SocketWithOptionsProcessor(wrapper).run();
        }
    } catch (RejectedExecutionException x) {
        log.warn("Socket processing request was rejected for:"+socket,x);
        return false;
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        // This means we got an OOM or similar creating a thread, or that
        // the pool and its queue are full
        log.error(sm.getString("endpoint.process.fail"), t);
        return false;
    }
    return true;
}
 
Example #29
Source File: DeltaManager.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up
/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    // Load unloaded sessions, if any
    try {
        if (cluster == null) {
            log.error(sm.getString("deltaManager.noCluster", getName()));
            return;
        } else {
            if (log.isInfoEnabled()) {
                String type = "unknown" ;
                if( cluster.getContainer() instanceof Host){
                    type = "Host" ;
                } else if( cluster.getContainer() instanceof Engine){
                    type = "Engine" ;
                }
                log.info(sm.getString("deltaManager.registerCluster",
                        getName(), type, cluster.getClusterName()));
            }
        }
        if (log.isInfoEnabled()) {
            log.info(sm.getString("deltaManager.startClustering", getName()));
        }

        getAllClusterSessions();

    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        log.error(sm.getString("deltaManager.managerLoad"), t);
    }

    setState(LifecycleState.STARTING);
}
 
Example #30
Source File: DeltaManager.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up
/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    // Load unloaded sessions, if any
    try {
        if (cluster == null) {
            log.error(sm.getString("deltaManager.noCluster", getName()));
            return;
        } else {
            if (log.isInfoEnabled()) {
                String type = "unknown" ;
                if( cluster.getContainer() instanceof Host){
                    type = "Host" ;
                } else if( cluster.getContainer() instanceof Engine){
                    type = "Engine" ;
                }
                log.info(sm.getString("deltaManager.registerCluster", getName(), type, cluster.getClusterName()));
            }
        }
        if (log.isInfoEnabled()) log.info(sm.getString("deltaManager.startClustering", getName()));

        getAllClusterSessions();

    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
        log.error(sm.getString("deltaManager.managerLoad"), t);
    }
    
    setState(LifecycleState.STARTING);
}