Example usage for java.net ConnectException ConnectException

Introduction

In this page you can find the example usage for java.net ConnectException ConnectException.

Prototype

public ConnectException(String msg) 

Source Link

Document

Constructs a new ConnectException with the specified detail message as to why the connect error occurred.

Usage

From source file:org.sakaiproject.antivirus.impl.ClamAVScanner.java

protected int getStreamPortFromAnswer(String answer) throws ConnectException {
    int port = -1;
    if (answer != null && answer.startsWith(STREAM_PORT_STRING)) {
        try {/*from   w ww.ja v a  2 s. c o m*/
            port = Integer.parseInt(answer.substring(STREAM_PORT_STRING.length()));
        } catch (NumberFormatException nfe) {
        }
    }
    if (port <= 0) {
        throw new ConnectException("\"PORT nn\" expected - unable to parse: " + "\"" + answer + "\"");
    }

    return port;
}

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From source file:com.evolveum.icf.dummy.resource.DummyResource.java

public DummyObjectClass getAccountObjectClass() throws ConnectException, FileNotFoundException {
    if (schemaBreakMode == BreakMode.NONE) {
        return accountObjectClass;
    } else if (schemaBreakMode == BreakMode.NETWORK) {
        throw new ConnectException("The schema is not available (simulated error)");
    } else if (schemaBreakMode == BreakMode.IO) {
        throw new FileNotFoundException("The schema file not found (simulated error)");
    } else if (schemaBreakMode == BreakMode.GENERIC) {
        // The connector will react with generic exception
        throw new IllegalArgumentException("Generic error fetching schema (simulated error)");
    } else if (schemaBreakMode == BreakMode.RUNTIME) {
        // The connector will just pass this up
        throw new IllegalStateException("Generic error fetching schema (simulated error)");
    } else if (schemaBreakMode == BreakMode.UNSUPPORTED) {
        throw new UnsupportedOperationException("Schema is not supported (simulated error)");
    } else {/*from   ww  w . j  a v  a2  s.com*/
        // This is a real error. Use this strange thing to make sure it passes up
        throw new RuntimeException("Unknown schema break mode " + schemaBreakMode);
    }

}

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From source file:com.cws.esolutions.security.dao.usermgmt.impl.LDAPUserManager.java

/**
 * @see com.cws.esolutions.security.dao.usermgmt.interfaces.UserManager#removeUserAccount(java.lang.String)
 *///from  www .  java2s.c om
public synchronized boolean removeUserAccount(final String userId) throws UserManagementException {
    final String methodName = LDAPUserManager.CNAME
            + "#removeUserAccount(final String userId) throws UserManagementException";

    if (DEBUG) {
        DEBUGGER.debug(methodName);
        DEBUGGER.debug(userId);
    }

    boolean isComplete = false;
    LDAPConnection ldapConn = null;
    LDAPConnectionPool ldapPool = null;

    try {
        ldapPool = (LDAPConnectionPool) svcBean.getAuthDataSource();

        if (DEBUG) {
            DEBUGGER.debug("LDAPConnectionPool: {}", ldapPool);
        }

        if (ldapPool.isClosed()) {
            throw new ConnectException("Failed to create LDAP connection using the specified information");
        }

        ldapConn = ldapPool.getConnection();

        if (DEBUG) {
            DEBUGGER.debug("LDAPConnection: {}", ldapConn);
        }

        if (!(ldapConn.isConnected())) {
            throw new ConnectException("Failed to create LDAP connection using the specified information");
        }

        DeleteRequest deleteRequest = new DeleteRequest(
                new StringBuilder().append(userAttributes.getUserId() + "=" + userId + ",")
                        .append(repoConfig.getRepositoryUserBase() + "," + repoConfig.getRepositoryBaseDN())
                        .toString());

        if (DEBUG) {
            DEBUGGER.debug("DeleteRequest: {}", deleteRequest);
        }

        LDAPResult ldapResult = ldapConn.delete(deleteRequest);

        if (DEBUG) {
            DEBUGGER.debug("LDAPResult: {}", ldapResult);
        }

        if (ldapResult.getResultCode() == ResultCode.SUCCESS) {
            isComplete = true;
        }
    } catch (LDAPException lx) {
        throw new UserManagementException(lx.getMessage(), lx);
    } catch (ConnectException cx) {
        throw new UserManagementException(cx.getMessage(), cx);
    } finally {
        if ((ldapPool != null) && ((ldapConn != null) && (ldapConn.isConnected()))) {
            ldapConn.close();
            ldapPool.releaseConnection(ldapConn);
        }
    }

    return isComplete;
}

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From source file:com.mgmtp.perfload.core.console.LtConsole.java

private void connectToDaemons() throws ConnectException {
    LOG.info("Connecting to daemons...");

    boolean connected = true;
    for (Client client : clients.values()) {
        LOG.info("Connecting to daemon {}", client.getClientId());
        client.connect();/* w  w w . j a v a 2 s . c  o m*/
        if (!client.isConnected()) {
            connected = false;
            LOG.error("Could not connect to daemon: {}", client.getClientId());
        }
    }

    if (!connected) {
        // set to null so the shutdown hook will not try to abort and disconnect
        doneLatch = null;
        throw new ConnectException("Could not connect to at least one daemon.");
    }
}

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From source file:org.apache.hama.util.BSPNetUtils.java

/**
 * Like {@link NetUtils#connect(Socket, SocketAddress, int)} but also takes a
 * local address and port to bind the socket to.
 * /*from  w w  w .j  a v a2  s . co m*/
 * @param socket
 * @param endpoint the remote address
 * @param localAddr the local address to bind the socket to
 * @param timeout timeout in milliseconds
 */
public static void connect(Socket socket, SocketAddress endpoint, SocketAddress localAddr, int timeout)
        throws IOException {
    if (socket == null || endpoint == null || timeout < 0) {
        throw new IllegalArgumentException("Illegal argument for connect()");
    }

    SocketChannel ch = socket.getChannel();

    if (localAddr != null) {
        socket.bind(localAddr);
    }

    if (ch == null) {
        // let the default implementation handle it.
        socket.connect(endpoint, timeout);
    } else {
        SocketIOWithTimeout.connect(ch, endpoint, timeout);
    }

    // There is a very rare case allowed by the TCP specification, such that
    // if we are trying to connect to an endpoint on the local machine,
    // and we end up choosing an ephemeral port equal to the destination port,
    // we will actually end up getting connected to ourself (ie any data we
    // send just comes right back). This is only possible if the target
    // daemon is down, so we'll treat it like connection refused.
    if (socket.getLocalPort() == socket.getPort() && socket.getLocalAddress().equals(socket.getInetAddress())) {
        LOG.info("Detected a loopback TCP socket, disconnecting it");
        socket.close();
        throw new ConnectException("Localhost targeted connection resulted in a loopback. "
                + "No daemon is listening on the target port.");
    }
}

---

From source file:net.NetUtils.java

/**
 * This is a drop-in replacement for /*  w  w w  .  j av a 2s .c  om*/
 * {@link Socket#connect(SocketAddress, int)}.
 * In the case of normal sockets that don't have associated channels, this 
 * just invokes <code>socket.connect(endpoint, timeout)</code>. If 
 * <code>socket.getChannel()</code> returns a non-null channel,
 * connect is implemented using Hadoop's selectors. This is done mainly
 * to avoid Sun's connect implementation from creating thread-local 
 * selectors, since Hadoop does not have control on when these are closed
 * and could end up taking all the available file descriptors.
 * 
 * @see java.net.Socket#connect(java.net.SocketAddress, int)
 * 
 * @param socket
 * @param endpoint 
 * @param timeout - timeout in milliseconds
 */
public static void connect(Socket socket, SocketAddress endpoint, int timeout) throws IOException {
    if (socket == null || endpoint == null || timeout < 0) {
        throw new IllegalArgumentException("Illegal argument for connect()");
    }

    SocketChannel ch = socket.getChannel();

    if (ch == null) {
        // let the default implementation handle it.
        socket.connect(endpoint, timeout);
    } else {
        SocketIOWithTimeout.connect(ch, endpoint, timeout);
    }

    // There is a very rare case allowed by the TCP specification, such that
    // if we are trying to connect to an endpoint on the local machine,
    // and we end up choosing an ephemeral port equal to the destination port,
    // we will actually end up getting connected to ourself (ie any data we
    // send just comes right back). This is only possible if the target
    // daemon is down, so we'll treat it like connection refused.
    if (socket.getLocalPort() == socket.getPort() && socket.getLocalAddress().equals(socket.getInetAddress())) {
        LOG.info("Detected a loopback TCP socket, disconnecting it");
        socket.close();
        throw new ConnectException("Localhost targeted connection resulted in a loopback. "
                + "No daemon is listening on the target port.");
    }
}

---

From source file:com.evolveum.icf.dummy.resource.DummyResource.java

public Collection<DummyAccount> listAccounts() throws ConnectException, FileNotFoundException {
    if (getBreakMode == BreakMode.NONE) {
        return accounts.values();
    } else if (schemaBreakMode == BreakMode.NETWORK) {
        throw new ConnectException("Network error (simulated error)");
    } else if (schemaBreakMode == BreakMode.IO) {
        throw new FileNotFoundException("IO error (simulated error)");
    } else if (schemaBreakMode == BreakMode.GENERIC) {
        // The connector will react with generic exception
        throw new IllegalArgumentException("Generic error (simulated error)");
    } else if (schemaBreakMode == BreakMode.RUNTIME) {
        // The connector will just pass this up
        throw new IllegalStateException("Generic error (simulated error)");
    } else if (schemaBreakMode == BreakMode.UNSUPPORTED) {
        throw new UnsupportedOperationException("Not supported (simulated error)");
    } else {/*from  w  w w  . j  a  v a  2 s . c  o  m*/
        // This is a real error. Use this strange thing to make sure it passes up
        throw new RuntimeException("Unknown schema break mode " + schemaBreakMode);
    }
}

---

From source file:phex.bootstrap.GWebCacheConnection.java

/**
 * Opens a connection to the request url and checks the response code.
 * 3xx are automatically redirected./*from w ww .  j  av a  2s .  c o  m*/
 * 400 - 599 response codes will throw a ConnectException.
 *
 * @throws IOException if an IO error occurs
 */
private void openConnection(URL requestURL) throws IOException {
    HttpClient client = HttpClientFactory.createHttpClient();

    if (ProxyPrefs.UseHttp.get().booleanValue() && !StringUtils.isEmpty(ProxyPrefs.HttpHost.get())) {
        client.getHostConfiguration().setProxy(ProxyPrefs.HttpHost.get(), ProxyPrefs.HttpPort.get().intValue());
    }

    method = new GetMethod(requestURL.toExternalForm());
    method.setFollowRedirects(false);
    method.addRequestHeader("Cache-Control", "no-cache");
    // be HTTP/1.1 compliant
    method.addRequestHeader(HTTPHeaderNames.CONNECTION, "close");

    logger.debug("Open GWebCache connection to {}.", requestURL);
    int responseCode = client.executeMethod(method);
    logger.debug("GWebCache {} returned response code: {}", requestURL, responseCode);

    // we only accept the status codes 2xx all others fail...
    if (responseCode < 200 || responseCode > 299) {
        throw new ConnectException("GWebCache service not available, response code: " + responseCode);
    }

    InputStream bodyStream = method.getResponseBodyAsStream();
    if (bodyStream != null) {
        // ensure we never read a body size larger then 100K to reduce misuse 
        reader = new BufferedReader(
                new InputStreamReader(new LengthLimitedInputStream(bodyStream, MAX_LENGTH)));
    } else {
        throw new ConnectException("Empty response.");
    }
}

---

From source file:phex.gwebcache.GWebCacheConnection.java

/**
 * Opens a connection to the request url and checks the response code.
 * 3xx are automaticly redirected.//www.  jav a2  s .  c  o  m
 * 400 - 599 response codes will throw a ConnectException.
 */
private void openConnection(URL requestURL) throws IOException {
    HttpClient client = new HttpClient();
    client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(0, false));
    if (ProxyPrefs.UseHttp.get().booleanValue() && !StringUtils.isEmpty(ProxyPrefs.HttpHost.get())) {
        client.getHostConfiguration().setProxy(ProxyPrefs.HttpHost.get(), ProxyPrefs.HttpPort.get().intValue());
    }

    method = new GetMethod(requestURL.toExternalForm());
    method.setFollowRedirects(false);
    method.addRequestHeader("Cache-Control", "no-cache");
    // be HTTP/1.1 complient
    method.addRequestHeader(HTTPHeaderNames.USER_AGENT, Environment.getPhexVendor());
    method.addRequestHeader(HTTPHeaderNames.CONNECTION, "close");

    NLogger.debug(GWebCacheConnection.class, "Open GWebCache connection to " + requestURL + ".");
    int responseCode = client.executeMethod(method);
    NLogger.debug(GWebCacheConnection.class,
            "GWebCache " + requestURL + " returned response code: " + responseCode);

    // we only accept the status codes 2xx all others fail...
    if (responseCode < 200 || responseCode > 299) {
        throw new ConnectException("GWebCache service not available, response code: " + responseCode);
    }

    InputStream bodyStream = method.getResponseBodyAsStream();
    if (bodyStream != null) {
        reader = new BufferedReader(new InputStreamReader(bodyStream));
    } else {
        throw new ConnectException("Empty response.");
    }
}

---

From source file:com.cws.esolutions.security.dao.usermgmt.impl.LDAPUserManager.java

/**
 * @see com.cws.esolutions.security.dao.usermgmt.interfaces.UserManager#searchUsers(java.lang.String)
 *//*from   w ww. java2s  .com*/
public synchronized List<String[]> searchUsers(final String searchData) throws UserManagementException {
    final String methodName = LDAPUserManager.CNAME
            + "#searchUsers(final String searchData) throws UserManagementException";

    if (DEBUG) {
        DEBUGGER.debug(methodName);
        DEBUGGER.debug("Value: {}", searchData);
    }

    List<String[]> results = null;
    LDAPConnection ldapConn = null;
    LDAPConnectionPool ldapPool = null;

    try {
        ldapPool = (LDAPConnectionPool) svcBean.getAuthDataSource();

        if (DEBUG) {
            DEBUGGER.debug("LDAPConnectionPool: {}", ldapPool);
        }

        if (ldapPool.isClosed()) {
            throw new ConnectException("Failed to create LDAP connection using the specified information");
        }

        ldapConn = ldapPool.getConnection();

        if (DEBUG) {
            DEBUGGER.debug("LDAPConnection: {}", ldapConn);
        }

        if (!(ldapConn.isConnected())) {
            throw new ConnectException("Failed to create LDAP connection using the specified information");
        }

        Filter searchFilter = Filter.create("(&(objectClass=" + repoConfig.getBaseObject() + ")" + "(|("
                + userAttributes.getCommonName() + "=" + searchData + ")" + "(" + userAttributes.getUserId()
                + "=" + searchData + ")" + "(" + userAttributes.getEmailAddr() + "=" + searchData + ")" + "("
                + userAttributes.getGivenName() + "=" + searchData + ")" + "(" + userAttributes.getSurname()
                + "=" + searchData + ")" + "(" + userAttributes.getDisplayName() + "=" + searchData + ")))");

        if (DEBUG) {
            DEBUGGER.debug("searchFilter: {}", searchFilter);
        }

        SearchRequest searchReq = new SearchRequest(
                repoConfig.getRepositoryUserBase() + "," + repoConfig.getRepositoryBaseDN(), SearchScope.SUB,
                searchFilter, userAttributes.getCommonName(), userAttributes.getUserId());

        if (DEBUG) {
            DEBUGGER.debug("searchRequest: {}", searchReq);
        }

        SearchResult searchResult = ldapConn.search(searchReq);

        if (DEBUG) {
            DEBUGGER.debug("searchResult: {}", searchResult);
        }

        if (searchResult.getResultCode() == ResultCode.SUCCESS) {
            results = new ArrayList<String[]>();

            for (SearchResultEntry entry : searchResult.getSearchEntries()) {
                String[] userData = new String[] { entry.getAttributeValue(userAttributes.getCommonName()),
                        entry.getAttributeValue(userAttributes.getUserId()) };

                if (DEBUG) {
                    DEBUGGER.debug("Data: {}", (Object) userData);
                }

                results.add(userData);
            }
        } else {
            throw new UserManagementException("No users were located with the search data provided");
        }
    } catch (LDAPException lx) {
        throw new UserManagementException(lx.getMessage(), lx);
    } catch (ConnectException cx) {
        throw new UserManagementException(cx.getMessage(), cx);
    } finally {
        if ((ldapPool != null) && ((ldapConn != null) && (ldapConn.isConnected()))) {
            ldapConn.close();
            ldapPool.releaseConnection(ldapConn);
        }
    }

    return results;
}

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