Java Code Examples for com.alibaba.dubbo.common.utils.NetUtils#getLocalHost()

The following examples show how to use com.alibaba.dubbo.common.utils.NetUtils#getLocalHost() . 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: FileGroup.java From dubbox with Apache License 2.0

6 votes

public Peer join(URL url, ChannelHandler handler) throws RemotingException {
    Peer peer = super.join(url, handler);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            if (full.equals(line)) {
                return peer;
            }
        }
        IOUtils.appendLines(file, new String[] {full});
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
    return peer;
}

Example 2

Source File: FileGroup.java From dubbox with Apache License 2.0

6 votes

public Peer join(URL url, ChannelHandler handler) throws RemotingException {
    Peer peer = super.join(url, handler);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            if (full.equals(line)) {
                return peer;
            }
        }
        IOUtils.appendLines(file, new String[] {full});
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
    return peer;
}

Example 3

Source File: FileGroup.java From dubbox-hystrix with Apache License 2.0

6 votes

public Peer join(URL url, ChannelHandler handler) throws RemotingException {
    Peer peer = super.join(url, handler);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            if (full.equals(line)) {
                return peer;
            }
        }
        IOUtils.appendLines(file, new String[] {full});
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
    return peer;
}

Example 4

Source File: FileExchangeGroup.java From dubbox with Apache License 2.0

6 votes

public ExchangePeer joinExchange(URL url, ExchangeHandler handler) throws RemotingException {
    ExchangePeer peer = super.join(url, handler);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            if (full.equals(line)) {
                return peer;
            }
        }
        IOUtils.appendLines(file, new String[] {full});
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
    return peer;
}

Example 5

Source File: RegistryProtocol.java From dubbo3 with Apache License 2.0

6 votes

private <T> Invoker<T> doRefer(Cluster cluster, Registry registry, Class<T> type, URL url) {
    RegistryDirectory<T> directory = new RegistryDirectory<T>(type, url);
    directory.setRegistry(registry);
    directory.setProtocol(protocol);
    URL subscribeUrl = new URL(Constants.CONSUMER_PROTOCOL, NetUtils.getLocalHost(), 0, type.getName(), directory.getUrl().getParameters());
    if (! Constants.ANY_VALUE.equals(url.getServiceInterface())
            && url.getParameter(Constants.REGISTER_KEY, true)) {
        registry.register(subscribeUrl.addParameters(Constants.CATEGORY_KEY, Constants.CONSUMERS_CATEGORY,
                Constants.CHECK_KEY, String.valueOf(false)));
    }
    directory.subscribe(subscribeUrl.addParameter(Constants.CATEGORY_KEY, 
            Constants.PROVIDERS_CATEGORY 
            + "," + Constants.CONFIGURATORS_CATEGORY 
            + "," + Constants.ROUTERS_CATEGORY));
    return cluster.join(directory);
}

Example 6

Source File: Envs.java From dubbox with Apache License 2.0

6 votes

public void index(Map<String, Object> context) throws Exception {
    Map<String, String> properties = new TreeMap<String, String>();
    StringBuilder msg = new StringBuilder();
    msg.append("Version: ");
    msg.append(Version.getVersion(Envs.class, "2.2.0"));
    properties.put("Registry", msg.toString());
    String address = NetUtils.getLocalHost();
    properties.put("Host", NetUtils.getHostName(address) + "/" + address);
    properties.put("Java", System.getProperty("java.runtime.name") + " " + System.getProperty("java.runtime.version"));
    properties.put("OS", System.getProperty("os.name") + " "
            + System.getProperty("os.version"));
    properties.put("CPU", System.getProperty("os.arch", "") + ", "
            + String.valueOf(Runtime.getRuntime().availableProcessors()) + " cores");
    properties.put("Locale", Locale.getDefault().toString() + "/"
            + System.getProperty("file.encoding"));
    properties.put("Uptime", formatUptime(ManagementFactory.getRuntimeMXBean().getUptime()) 
            + " From " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS Z").format(new Date(ManagementFactory.getRuntimeMXBean().getStartTime())) 
            + " To " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS Z").format(new Date()));
    context.put("properties", properties);
}

Example 7

Source File: FileGroup.java From dubbox with Apache License 2.0

6 votes

@Override
public void leave(URL url) throws RemotingException {
    super.leave(url);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        List<String> saves = new ArrayList<String>();
        for (String line : lines) {
            if (full.equals(line)) {
                return;
            }
            saves.add(line);
        }
        IOUtils.appendLines(file, saves.toArray(new String[0]));
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
}

Example 8

Source File: RegistryDirectory.java From dubbo3 with Apache License 2.0

5 votes

public List<Invoker<T>> doList(Invocation invocation) {
    if (forbidden) {
        throw new RpcException(RpcException.FORBIDDEN_EXCEPTION, "Forbid consumer " + NetUtils.getLocalHost() + " access service " + getInterface().getName() + " from registry " + getUrl().getAddress() + " use dubbo version " + Version.getVersion() + ", Please check registry access list (whitelist/blacklist).");
    }
    List<Invoker<T>> invokers = null;
    Map<String, List<Invoker<T>>> localMethodInvokerMap = this.methodInvokerMap; // local reference
    if (localMethodInvokerMap != null && localMethodInvokerMap.size() > 0) {
        String methodName = RpcUtils.getMethodName(invocation);
        Object[] args = RpcUtils.getArguments(invocation);
        if (args != null && args.length > 0 && args[0] != null
                && (args[0] instanceof String || args[0].getClass().isEnum())) {
            invokers = localMethodInvokerMap.get(methodName + "." + args[0]); // 可根据第一个参数枚举路由
        }
        if (invokers == null) {
            invokers = localMethodInvokerMap.get(methodName);
        }
        if (invokers == null) {
            invokers = localMethodInvokerMap.get(Constants.ANY_VALUE);
        }
        if (invokers == null) {
            Iterator<List<Invoker<T>>> iterator = localMethodInvokerMap.values().iterator();
            if (iterator.hasNext()) {
                invokers = iterator.next();
            }
        }
    }
    return invokers == null ? new ArrayList<>(0) : invokers;
}

Example 9

Source File: RegistryDirectory.java From dubbox with Apache License 2.0

5 votes

public List<Invoker<T>> doList(Invocation invocation) {
    if (forbidden) {
        throw new RpcException(RpcException.FORBIDDEN_EXCEPTION, "Forbid consumer " +  NetUtils.getLocalHost() + " access service " + getInterface().getName() + " from registry " + getUrl().getAddress() + " use dubbo version " + Version.getVersion() + ", Please check registry access list (whitelist/blacklist).");
    }
    List<Invoker<T>> invokers = null;
    Map<String, List<Invoker<T>>> localMethodInvokerMap = this.methodInvokerMap; // local reference
    if (localMethodInvokerMap != null && localMethodInvokerMap.size() > 0) {
        String methodName = RpcUtils.getMethodName(invocation);
        Object[] args = RpcUtils.getArguments(invocation);
        if(args != null && args.length > 0 && args[0] != null
                && (args[0] instanceof String || args[0].getClass().isEnum())) {
            invokers = localMethodInvokerMap.get(methodName + "." + args[0]); // 可根据第一个参数枚举路由
        }
        if(invokers == null) {
            invokers = localMethodInvokerMap.get(methodName);
        }
        if(invokers == null) {
            invokers = localMethodInvokerMap.get(Constants.ANY_VALUE);
        }
        if(invokers == null) {
            Iterator<List<Invoker<T>>> iterator = localMethodInvokerMap.values().iterator();
            if (iterator.hasNext()) {
                invokers = iterator.next();
            }
        }
    }
    return invokers == null ? new ArrayList<Invoker<T>>(0) : invokers;
}

Example 10

Source File: FailfastClusterInvoker.java From dubbox-hystrix with Apache License 2.0

5 votes

public Result doInvoke(Invocation invocation, List<Invoker<T>> invokers, LoadBalance loadbalance) throws RpcException {
    checkInvokers(invokers, invocation);
    Invoker<T> invoker = select(loadbalance, invocation, invokers, null);
    try {
        return invoker.invoke(invocation);
    } catch (Throwable e) {
        if (e instanceof RpcException && ((RpcException)e).isBiz()) { // biz exception.
            throw (RpcException) e;
        }
        throw new RpcException(e instanceof RpcException ? ((RpcException)e).getCode() : 0, "Failfast invoke providers " + invoker.getUrl() + " " + loadbalance.getClass().getSimpleName() + " select from all providers " + invokers + " for service " + getInterface().getName() + " method " + invocation.getMethodName() + " on consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion() + ", but no luck to perform the invocation. Last error is: " + e.getMessage(), e.getCause() != null ? e.getCause() : e);
    }
}

Example 11

Source File: AbstractClusterInvoker.java From dubbox-hystrix with Apache License 2.0

5 votes

protected void checkInvokers(List<Invoker<T>> invokers, Invocation invocation) {
    if (invokers == null || invokers.size() == 0) {
        throw new RpcException("Failed to invoke the method "
                + invocation.getMethodName() + " in the service " + getInterface().getName() 
                + ". No provider available for the service " + directory.getUrl().getServiceKey()
                + " from registry " + directory.getUrl().getAddress() 
                + " on the consumer " + NetUtils.getLocalHost()
                + " using the dubbo version " + Version.getVersion()
                + ". Please check if the providers have been started and registered.");
    }
}

Example 12

Source File: RpcContext.java From dubbox with Apache License 2.0

5 votes

/**
 * get local host.
 * 
 * @return local host
 */
public String getLocalHost() {
    String host = localAddress == null ? null : 
        localAddress.getAddress() == null ? localAddress.getHostName() 
                : NetUtils.filterLocalHost(localAddress.getAddress().getHostAddress());
    if (host == null || host.length() == 0) {
        return NetUtils.getLocalHost();
    }
    return host;
}

Example 13

Source File: NettyClient.java From dubbo-remoting-netty4 with Apache License 2.0

4 votes

protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try{
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);
        
        if (ret && future.isSuccess()) {
            Channel newChannel = future.channel();

            try {
                // 关闭旧的连接
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close().syncUninterruptibly();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close().syncUninterruptibly();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.cause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.cause().getMessage(), future.cause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    }finally{
        if (! isConnected()) {
            future.cancel(true);
        }
    }
}

Example 14

Source File: NettyClient.java From dubbo3 with Apache License 2.0

4 votes

protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try{
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);
        
        if (ret && future.isSuccess()) {
            Channel newChannel = future.getChannel();
            newChannel.setInterestOps(Channel.OP_READ_WRITE);
            try {
                // 关闭旧的连接
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.getCause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.getCause().getMessage(), future.getCause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    }finally{
        if (! isConnected()) {
            future.cancel();
        }
    }
}

Example 15

Source File: NettyClient.java From dubbo-remoting-netty4 with Apache License 2.0

4 votes

protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try{
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);
        
        if (ret && future.isSuccess()) {
            Channel newChannel = future.channel();

            try {
                // 关闭旧的连接
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close().syncUninterruptibly();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close().syncUninterruptibly();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.cause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.cause().getMessage(), future.cause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    }finally{
        if (! isConnected()) {
            future.cancel(true);
        }
    }
}

Example 16

Source File: SystemPageHandler.java From dubbox with Apache License 2.0

4 votes

public Page handle(URL url) {
    List<List<String>> rows = new ArrayList<List<String>>();
    List<String> row;
    
    row = new ArrayList<String>();
    row.add("Version");
    row.add(Version.getVersion(SystemPageHandler.class, "2.0.0"));
    rows.add(row);

    row = new ArrayList<String>();
    row.add("Host");
    String address = NetUtils.getLocalHost();
    row.add(NetUtils.getHostName(address) + "/" + address);
    rows.add(row);
    
    row = new ArrayList<String>();
    row.add("OS");
    row.add(System.getProperty("os.name") + " " + System.getProperty("os.version"));
    rows.add(row);
    
    row = new ArrayList<String>();
    row.add("JVM");
    row.add(System.getProperty("java.runtime.name") + " " + System.getProperty("java.runtime.version") + ",<br/>" + System.getProperty("java.vm.name") + " " + System.getProperty("java.vm.version") + " " + System.getProperty("java.vm.info", ""));
    rows.add(row);
    
    row = new ArrayList<String>();
    row.add("CPU");
    row.add(System.getProperty("os.arch", "") + ", " + String.valueOf(Runtime.getRuntime().availableProcessors()) + " cores");
    rows.add(row);
    
    row = new ArrayList<String>();
    row.add("Locale");
    row.add(Locale.getDefault().toString() + "/" + System.getProperty("file.encoding"));
    rows.add(row);
    
    row = new ArrayList<String>();
    row.add("Uptime");
    row.add(formatUptime(ManagementFactory.getRuntimeMXBean().getUptime()));
    rows.add(row);

    row = new ArrayList<String>();
    row.add("Time");
    row.add(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS Z").format(new Date()));
    rows.add(row);
    
    return new Page("System", "System", new String[] {
            "Property", "Value" }, rows);
}

Example 17

Source File: NettyClient.java From dubbo-2.6.5 with Apache License 2.0

4 votes

@Override
protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try {
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);

        if (ret && future.isSuccess()) {
            Channel newChannel = future.getChannel();
            newChannel.setInterestOps(Channel.OP_READ_WRITE);
            try {
                // Close old channel
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.getCause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.getCause().getMessage(), future.getCause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    } finally {
        if (!isConnected()) {
            future.cancel();
        }
    }
}

Example 18

Source File: NettyClient.java From dubbo-2.6.5 with Apache License 2.0

4 votes

@Override
    protected void doConnect() throws Throwable {
        long start = System.currentTimeMillis();
        ChannelFuture future = bootstrap.connect(getConnectAddress());
        try {
//            同步等待连接
            boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);

            if (ret && future.isSuccess()) {
                Channel newChannel = future.channel();
                try {
                    // Close old channel
                    Channel oldChannel = NettyClient.this.channel; // copy reference
                    if (oldChannel != null) {
                        try {
                            if (logger.isInfoEnabled()) {
                                logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                            }
                            oldChannel.close();
                        } finally {
                            NettyChannel.removeChannelIfDisconnected(oldChannel);
                        }
                    }
                } finally {
                    if (NettyClient.this.isClosed()) {
                        try {
                            if (logger.isInfoEnabled()) {
                                logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                            }
                            newChannel.close();
                        } finally {
                            NettyClient.this.channel = null;
                            NettyChannel.removeChannelIfDisconnected(newChannel);
                        }
                    } else {
                        NettyClient.this.channel = newChannel;
                    }
                }
            } else if (future.cause() != null) {
                throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                        + getRemoteAddress() + ", error message is:" + future.cause().getMessage(), future.cause());
            } else {
                throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                        + getRemoteAddress() + " client-side timeout "
                        + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                        + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
            }
        } finally {
            if (!isConnected()) {
                //future.cancel(true);
            }
        }
    }

Example 19

Source File: SimpleRegistryService.java From dubbox-hystrix with Apache License 2.0

4 votes

public SimpleRegistryService() {
    super(new URL("dubbo", NetUtils.getLocalHost(), 0, RegistryService.class.getName(), "file", "N/A"));
}

Example 20

Source File: SystemController.java From dubbox with Apache License 2.0

3 votes

@RequestMapping(method = RequestMethod.GET)
public String system(Model model) {
	List<String[]> rows = new ArrayList<String[]>();

	rows.add(new String[] { "Version", "2.8.4" });

	String address = NetUtils.getLocalHost();
	rows.add(new String[] { "Host", NetUtils.getHostName(address) + "/" + address });

	rows.add(new String[] { "OS", System.getProperty("os.name") + " " + System.getProperty("os.version") });

	rows.add(new String[] { "JVM",
			System.getProperty("java.runtime.name") + " " + System.getProperty("java.runtime.version") + ",<br/>"
					+ System.getProperty("java.vm.name") + " " + System.getProperty("java.vm.version") + " "
					+ System.getProperty("java.vm.info", "") });

	rows.add(new String[] { "CPU", System.getProperty("os.arch", "") + ", "
			+ String.valueOf(Runtime.getRuntime().availableProcessors()) + " cores" });

	rows.add(new String[] { "Locale", Locale.getDefault().toString() + "/" + System.getProperty("file.encoding") });

	rows.add(new String[] { "Uptime", formatUptime(ManagementFactory.getRuntimeMXBean().getUptime()) });

	rows.add(new String[] { "Time", formatter.format(new Date()) });

	model.addAttribute("rows", rows);
	return "system";
}