Examples with ConnectException java.net.ConnectException used on opensource projects

Example 41 with ConnectException

use of java.net.ConnectException in project intellij-community by JetBrains.

the class SocketLock method tryActivate.

@NotNull
private ActivateStatus tryActivate(int portNumber, @NotNull Collection<String> paths, @NotNull String[] args) {
    log("trying: port=%s", portNumber);
    args = checkForJetBrainsProtocolCommand(args);
    try {
        try (Socket socket = new Socket(InetAddress.getLoopbackAddress(), portNumber)) {
            socket.setSoTimeout(1000);
            boolean result = false;
            @SuppressWarnings("IOResourceOpenedButNotSafelyClosed") DataInputStream in = new DataInputStream(socket.getInputStream());
            while (true) {
                try {
                    String path = in.readUTF();
                    log("read: path=%s", path);
                    if (PATHS_EOT_RESPONSE.equals(path)) {
                        break;
                    } else if (paths.contains(path)) {
                        // don't break - read all input
                        result = true;
                    }
                } catch (IOException e) {
                    log("read: %s", e.getMessage());
                    break;
                }
            }
            if (result) {
                try {
                    String token = FileUtil.loadFile(new File(mySystemPath, TOKEN_FILE));
                    @SuppressWarnings("IOResourceOpenedButNotSafelyClosed") DataOutputStream out = new DataOutputStream(socket.getOutputStream());
                    out.writeUTF(ACTIVATE_COMMAND + token + "\0" + new File(".").getAbsolutePath() + "\0" + StringUtil.join(args, "\0"));
                    out.flush();
                    String response = in.readUTF();
                    log("read: response=%s", response);
                    if (response.equals(OK_RESPONSE)) {
                        if (isShutdownCommand()) {
                            printPID(portNumber);
                        }
                        return ActivateStatus.ACTIVATED;
                    }
                } catch (IOException e) {
                    log(e);
                }
                return ActivateStatus.CANNOT_ACTIVATE;
            }
        }
    } catch (ConnectException e) {
        log("%s (stale port file?)", e.getMessage());
    } catch (IOException e) {
        log(e);
    }
    return ActivateStatus.NO_INSTANCE;
}

Example 42 with ConnectException

use of java.net.ConnectException in project adempiere by adempiere.

the class Worker method run.

/**
	 *  Worker: Read available Online Help Pages
	 */
public void run() {
    if (m_links == null)
        return;
    URL url = null;
    try {
        url = new URL(m_urlString);
    } catch (Exception e) {
        System.err.println("OnlineHelp.Worker.run (url) - " + e);
    }
    if (url == null)
        return;
    //  Read Reference Page
    try {
        URLConnection conn = url.openConnection();
        InputStream is = conn.getInputStream();
        HTMLEditorKit kit = new HTMLEditorKit();
        HTMLDocument doc = (HTMLDocument) kit.createDefaultDocument();
        doc.putProperty("IgnoreCharsetDirective", new Boolean(true));
        kit.read(new InputStreamReader(is), doc, 0);
        //  Get The Links to the Help Pages
        HTMLDocument.Iterator it = doc.getIterator(HTML.Tag.A);
        Object target = null;
        Object href = null;
        while (it != null && it.isValid()) {
            AttributeSet as = it.getAttributes();
            //  key keys
            if (target == null || href == null) {
                Enumeration en = as.getAttributeNames();
                while (en.hasMoreElements()) {
                    Object o = en.nextElement();
                    if (target == null && o.toString().equals("target"))
                        //	javax.swing.text.html.HTML$Attribute
                        target = o;
                    else if (href == null && o.toString().equals("href"))
                        href = o;
                }
            }
            if (target != null && "Online".equals(as.getAttribute(target))) {
                //  Format: /help/<AD_Window_ID>/index.html
                String hrefString = (String) as.getAttribute(href);
                if (hrefString != null) {
                    try {
                        //		System.err.println(hrefString);
                        String AD_Window_ID = hrefString.substring(hrefString.indexOf('/', 1), hrefString.lastIndexOf('/'));
                        m_links.put(AD_Window_ID, hrefString);
                    } catch (Exception e) {
                        System.err.println("OnlineHelp.Worker.run (help) - " + e);
                    }
                }
            }
            it.next();
        }
        is.close();
    } catch (ConnectException e) {
    //	System.err.println("OnlineHelp.Worker.run URL=" + url + " - " + e);
    } catch (UnknownHostException uhe) {
    //	System.err.println("OnlineHelp.Worker.run " + uhe);
    } catch (Exception e) {
        System.err.println("OnlineHelp.Worker.run (e) " + e);
    //	e.printStackTrace();
    } catch (Throwable t) {
        System.err.println("OnlineHelp.Worker.run (t) " + t);
    //	t.printStackTrace();
    }
//	System.out.println("OnlineHelp - Links=" + m_links.size());
}

Example 43 with ConnectException

use of java.net.ConnectException in project lucene-solr by apache.

the class HttpShardHandler method submit.

@Override
public void submit(final ShardRequest sreq, final String shard, final ModifiableSolrParams params) {
    // do this outside of the callable for thread safety reasons
    final List<String> urls = getURLs(shard);
    Callable<ShardResponse> task = () -> {
        ShardResponse srsp = new ShardResponse();
        if (sreq.nodeName != null) {
            srsp.setNodeName(sreq.nodeName);
        }
        srsp.setShardRequest(sreq);
        srsp.setShard(shard);
        SimpleSolrResponse ssr = new SimpleSolrResponse();
        srsp.setSolrResponse(ssr);
        long startTime = System.nanoTime();
        try {
            // use default (currently javabin)
            params.remove(CommonParams.WT);
            params.remove(CommonParams.VERSION);
            QueryRequest req = makeQueryRequest(sreq, params, shard);
            req.setMethod(SolrRequest.METHOD.POST);
            // if there are no shards available for a slice, urls.size()==0
            if (urls.size() == 0) {
                // all of the servers for a shard are down.
                throw new SolrException(SolrException.ErrorCode.SERVICE_UNAVAILABLE, "no servers hosting shard: " + shard);
            }
            if (urls.size() <= 1) {
                String url = urls.get(0);
                srsp.setShardAddress(url);
                try (SolrClient client = new Builder(url).withHttpClient(httpClient).build()) {
                    ssr.nl = client.request(req);
                }
            } else {
                LBHttpSolrClient.Rsp rsp = httpShardHandlerFactory.makeLoadBalancedRequest(req, urls);
                ssr.nl = rsp.getResponse();
                srsp.setShardAddress(rsp.getServer());
            }
        } catch (ConnectException cex) {
            //????
            srsp.setException(cex);
        } catch (Exception th) {
            srsp.setException(th);
            if (th instanceof SolrException) {
                srsp.setResponseCode(((SolrException) th).code());
            } else {
                srsp.setResponseCode(-1);
            }
        }
        ssr.elapsedTime = TimeUnit.MILLISECONDS.convert(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
        return transfomResponse(sreq, srsp, shard);
    };
    try {
        if (shard != null) {
            MDC.put("ShardRequest.shards", shard);
        }
        if (urls != null && !urls.isEmpty()) {
            MDC.put("ShardRequest.urlList", urls.toString());
        }
        pending.add(completionService.submit(task));
    } finally {
        MDC.remove("ShardRequest.shards");
        MDC.remove("ShardRequest.urlList");
    }
}

Example 44 with ConnectException

use of java.net.ConnectException in project ignite by apache.

the class RestExecutor method sendRequest.

/** */
private RestResult sendRequest(boolean demo, String path, Map<String, Object> params, String mtd, Map<String, Object> headers, String body) throws IOException {
    if (demo && AgentClusterDemo.getDemoUrl() == null) {
        try {
            AgentClusterDemo.tryStart().await();
        } catch (InterruptedException ignore) {
            throw new IllegalStateException("Failed to execute request because of embedded node for demo mode is not started yet.");
        }
    }
    String url = demo ? AgentClusterDemo.getDemoUrl() : nodeUrl;
    HttpUrl.Builder urlBuilder = HttpUrl.parse(url).newBuilder();
    if (path != null)
        urlBuilder.addPathSegment(path);
    final Request.Builder reqBuilder = new Request.Builder();
    if (headers != null) {
        for (Map.Entry<String, Object> entry : headers.entrySet()) if (entry.getValue() != null)
            reqBuilder.addHeader(entry.getKey(), entry.getValue().toString());
    }
    if ("GET".equalsIgnoreCase(mtd)) {
        if (params != null) {
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                if (entry.getValue() != null)
                    urlBuilder.addQueryParameter(entry.getKey(), entry.getValue().toString());
            }
        }
    } else if ("POST".equalsIgnoreCase(mtd)) {
        if (body != null) {
            MediaType contentType = MediaType.parse("text/plain");
            reqBuilder.post(RequestBody.create(contentType, body));
        } else {
            FormBody.Builder formBody = new FormBody.Builder();
            if (params != null) {
                for (Map.Entry<String, Object> entry : params.entrySet()) {
                    if (entry.getValue() != null)
                        formBody.add(entry.getKey(), entry.getValue().toString());
                }
            }
            reqBuilder.post(formBody.build());
        }
    } else
        throw new IllegalArgumentException("Unknown HTTP-method: " + mtd);
    reqBuilder.url(urlBuilder.build());
    try (Response resp = httpClient.newCall(reqBuilder.build()).execute()) {
        String content = resp.body().string();
        if (resp.isSuccessful()) {
            JsonNode node = mapper.readTree(content);
            int status = node.get("successStatus").asInt();
            switch(status) {
                case STATUS_SUCCESS:
                    return RestResult.success(node.get("response").toString());
                default:
                    return RestResult.fail(status, node.get("error").asText());
            }
        }
        if (resp.code() == 401)
            return RestResult.fail(STATUS_AUTH_FAILED, "Failed to authenticate in grid. Please check agent\'s login and password or node port.");
        return RestResult.fail(STATUS_FAILED, "Failed connect to node and execute REST command.");
    } catch (ConnectException ignore) {
        throw new ConnectException("Failed connect to node and execute REST command [url=" + urlBuilder + "]");
    }
}

Example 45 with ConnectException

use of java.net.ConnectException in project lucene-solr by apache.

the class LBHttpSolrClient method doRequest.

protected Exception doRequest(HttpSolrClient client, Req req, Rsp rsp, boolean isNonRetryable, boolean isZombie, String zombieKey) throws SolrServerException, IOException {
    Exception ex = null;
    try {
        rsp.server = client.getBaseURL();
        rsp.rsp = client.request(req.getRequest(), (String) null);
        if (isZombie) {
            zombieServers.remove(zombieKey);
        }
    } catch (SolrException e) {
        // unless it's an update - then we only retry on connect exception
        if (!isNonRetryable && RETRY_CODES.contains(e.code())) {
            ex = (!isZombie) ? addZombie(client, e) : e;
        } else {
            // Server is alive but the request was likely malformed or invalid
            if (isZombie) {
                zombieServers.remove(zombieKey);
            }
            throw e;
        }
    } catch (SocketException e) {
        if (!isNonRetryable || e instanceof ConnectException) {
            ex = (!isZombie) ? addZombie(client, e) : e;
        } else {
            throw e;
        }
    } catch (SocketTimeoutException e) {
        if (!isNonRetryable) {
            ex = (!isZombie) ? addZombie(client, e) : e;
        } else {
            throw e;
        }
    } catch (SolrServerException e) {
        Throwable rootCause = e.getRootCause();
        if (!isNonRetryable && rootCause instanceof IOException) {
            ex = (!isZombie) ? addZombie(client, e) : e;
        } else if (isNonRetryable && rootCause instanceof ConnectException) {
            ex = (!isZombie) ? addZombie(client, e) : e;
        } else {
            throw e;
        }
    } catch (Exception e) {
        throw new SolrServerException(e);
    }
    return ex;
}