Examples with RestClientException org.springframework.web.client.RestClientException used on opensource projects

Example 36 with RestClientException

use of org.springframework.web.client.RestClientException in project perun by CESNET.

the class PerunCLI method call.

private static void call(PerunCommand command, String[] cliArgs) throws ParseException {
    // prepare CLI options
    // first options common to all commands
    Options options = new Options();
    options.addOption(Option.builder(PERUN_URL_OPTION).required(false).hasArg().longOpt(PERUN_URL_VARIABLE).desc("Perun base URL").build());
    options.addOption(Option.builder(PERUN_USER_OPTION).required(false).hasArg().longOpt(PERUN_USER_VARIABLE).desc("HTTP Basic Auth user/password").build());
    options.addOption(Option.builder(DEBUG_OPTION).required(false).hasArg(false).longOpt("debug").desc("debugging output").build());
    options.addOption(Option.builder(HELP_OPTION).required(false).hasArg(false).longOpt("help").desc("print options").build());
    // then options specific to the command
    command.addOptions(options);
    // parse options
    CommandLine commandLine;
    try {
        commandLine = new DefaultParser().parse(options, cliArgs);
    } catch (MissingOptionException ex) {
        printHelp(command, options);
        return;
    }
    if (commandLine.hasOption(HELP_OPTION)) {
        printHelp(command, options);
        return;
    }
    if (commandLine.hasOption(DEBUG_OPTION)) {
        LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
        ch.qos.logback.classic.Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
        rootLogger.setLevel(Level.DEBUG);
    }
    // find URL
    String perunUrl = System.getenv(PERUN_URL_VARIABLE);
    if (commandLine.hasOption(PERUN_URL_OPTION)) {
        perunUrl = commandLine.getOptionValue(PERUN_URL_OPTION);
    }
    if (perunUrl == null)
        perunUrl = "https://perun.cesnet.cz/krb/rpc";
    // find user and password
    String user = System.getenv(PERUN_USER_VARIABLE);
    if (commandLine.hasOption(PERUN_USER_OPTION)) {
        user = commandLine.getOptionValue(PERUN_USER_OPTION);
    }
    PerunRPC perunRPC;
    if (user == null) {
        perunRPC = new PerunRPC(perunUrl, null, null, new KerberosRestTemplate(null, "-"));
    } else {
        int slash = user.indexOf('/');
        if (slash == -1) {
            System.err.println("the username and password must be separated by the '/' character");
            System.exit(1);
        }
        String username = user.substring(0, slash);
        String password = user.substring(slash + 1);
        perunRPC = new PerunRPC(perunUrl, username, password);
    }
    // execute the command
    HttpClientErrorException hce = null;
    try {
        command.executeCommand(new CommandContext(perunRPC, commandLine));
    } catch (HttpClientErrorException e1) {
        // normal RestTemplate throws this exception on status 400
        hce = e1;
    } catch (RestClientException e2) {
        if (e2.getCause() instanceof HttpClientErrorException) {
            // KerberosRestTemplate throws the exception wrapped
            hce = (HttpClientErrorException) e2.getCause();
        } else {
            // something other went wrong
            throw e2;
        }
    }
    if (hce != null) {
        PerunException pe = PerunException.to(hce);
        System.err.println(pe.getMessage());
        System.exit(1);
    }
}

Example 37 with RestClientException

use of org.springframework.web.client.RestClientException in project spring-boot-admin by codecentric.

the class DefaultApplicationRegistratorTest method register_should_return_false_when_failed.

@Test
public void register_should_return_false_when_failed() {
    ApplicationRegistrator registrator = new DefaultApplicationRegistrator(() -> this.application, this.registrationClient, new String[] { "http://sba:8080/instances", "http://sba2:8080/instances" }, true);
    when(this.registrationClient.register(any(), eq(this.application))).thenThrow(new RestClientException("Error"));
    assertThat(registrator.register()).isFalse();
    assertThat(registrator.register()).isFalse();
    assertThat(registrator.getRegisteredId()).isNull();
}

Example 38 with RestClientException

use of org.springframework.web.client.RestClientException in project open-kilda by telstra.

the class TraffExamServiceImpl method initializePools.

@PostConstruct
void initializePools() {
    baseUrl = labEndpoint + "/api/" + topology.getLabId() + "/traffgen/";
    hostsPool = new ConcurrentHashMap<>();
    for (TraffGen traffGen : topology.getActiveTraffGens()) {
        URI controlEndpoint;
        try {
            controlEndpoint = new URI(traffGen.getControlEndpoint());
        } catch (URISyntaxException e) {
            throw new IllegalArgumentException(String.format("Invalid traffGen(%s) REST endpoint address \"%s\": %s", traffGen.getName(), traffGen.getControlEndpoint(), e.getMessage()), e);
        }
        UUID id = UUID.randomUUID();
        Host host = new Host(id, traffGen.getIfaceName(), controlEndpoint, traffGen.getName());
        try {
            restTemplate.headForHeaders(makeHostUri(host).path("endpoint").build());
        } catch (RestClientException ex) {
            throw new IllegalArgumentException(String.format("The traffGen(%s) REST endpoint address \"%s\" can't be reached: %s", traffGen.getName(), traffGen.getControlEndpoint(), ex.getMessage()), ex);
        }
        hostsPool.put(id, host);
    }
    TraffGenConfig config = topology.getTraffGenConfig();
    Inet4Network network;
    try {
        network = new Inet4Network((Inet4Address) Inet4Address.getByName(config.getAddressPoolBase()), config.getAddressPoolPrefixLen());
    } catch (Inet4ValueException | UnknownHostException e) {
        throw new InputMismatchException(String.format("Invalid traffGen address pool \"%s:%s\": %s", config.getAddressPoolBase(), config.getAddressPoolPrefixLen(), e));
    }
    addressPool = new Inet4NetworkPool(network, 30);
}

Example 39 with RestClientException

use of org.springframework.web.client.RestClientException in project webofneeds by researchstudio-sat.

the class AuthEnabledLinkedDataRestClient method readAccessTokens.

public Set<String> readAccessTokens(URI resourceURI, RestTemplate restTemplate, HttpHeaders requestHeaders) {
    assert resourceURI != null : "resource URI must not be null";
    StopWatch sw = new StopWatch();
    sw.start();
    logger.debug("fetching linked data resource: {}", resourceURI);
    // If a RestClientException is thrown here complaining that it can't read a
    // Model with MIME media type text/html,
    // it was probably the wrong resourceURI
    Set<String> result;
    int statusCode;
    HttpHeaders responseHeaders;
    try {
        HttpEntity entity = new HttpEntity(null, requestHeaders);
        ResponseEntity<Set> response = restTemplate.exchange(resourceURI, HttpMethod.GET, entity, Set.class);
        // RestTemplate will automatically follow redirects on HttpGet calls
        statusCode = response.getStatusCode().value();
        responseHeaders = response.getHeaders();
        if (response.getStatusCode().is4xxClientError()) {
            throw new HttpClientErrorException(response.getStatusCode());
        }
        if (response.getStatusCode().is5xxServerError()) {
            throw new HttpServerErrorException(response.getStatusCode());
        }
        result = response.getBody();
    } catch (RestClientException e) {
        // first, let's see if we can answer the request from loaded ontologies:
        if (e instanceof HttpClientErrorException) {
            throw new LinkedDataFetchingException(resourceURI, MessageFormat.format("Caught a HttpClientErrorException exception trying to obtain token from {0}. Underlying error message is: {1}, response Body: {2}", resourceURI, e.getMessage(), ((HttpClientErrorException) e).getResponseBodyAsString()), e, ((HttpClientErrorException) e).getRawStatusCode());
        }
        if (e instanceof HttpServerErrorException) {
            throw new LinkedDataFetchingException(resourceURI, MessageFormat.format("Caught a HttpServerErrorException exception trying to obtain token from {0}. Underlying error message is: {1}, response Body: {2}", resourceURI, e.getMessage(), ((HttpServerErrorException) e).getResponseBodyAsString()), e, ((HttpServerErrorException) e).getRawStatusCode());
        }
        throw new LinkedDataFetchingException(resourceURI, MessageFormat.format("Caught a clientHandler exception trying to obtain token from {0}. Underlying error message is: {1}", resourceURI, e.getMessage()), e);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("fetched auth token from {}", resourceURI);
    }
    sw.stop();
    logger.debug(LogMarkers.TIMING, "fetching {} took {} millis", resourceURI, sw.getLastTaskTimeMillis());
    return result;
}

Example 40 with RestClientException

use of org.springframework.web.client.RestClientException in project webofneeds by researchstudio-sat.

the class LinkedDataRestClient method readResourceData.

protected DatasetResponseWithStatusCodeAndHeaders readResourceData(URI resourceURI, RestTemplate restTemplate, HttpHeaders requestHeaders) {
    assert resourceURI != null : "resource URI must not be null";
    StopWatch sw = new StopWatch();
    sw.start();
    logger.debug("fetching linked data resource: {}", resourceURI);
    // If a RestClientException is thrown here complaining that it can't read a
    // Model with MIME media type text/html,
    // it was probably the wrong resourceURI
    Dataset result;
    int statusCode;
    HttpHeaders responseHeaders;
    try {
        HttpEntity entity = new HttpEntity(null, requestHeaders);
        ResponseEntity<Dataset> response = restTemplate.exchange(resourceURI, HttpMethod.GET, entity, Dataset.class);
        // RestTemplate will automatically follow redirects on HttpGet calls
        statusCode = response.getStatusCode().value();
        responseHeaders = response.getHeaders();
        if (response.getStatusCode().is4xxClientError()) {
            throw new HttpClientErrorException(response.getStatusCode());
        }
        if (response.getStatusCode().is5xxServerError()) {
            throw new HttpServerErrorException(response.getStatusCode());
        }
        result = response.getBody();
    } catch (RestClientException e) {
        // first, let's see if we can answer the request from loaded ontologies:
        logger.debug("Could not fetch {} from the Web, searching fallback in included resources", resourceURI);
        if (e instanceof HttpClientErrorException.NotFound) {
            Optional<Model> fallbackResult = IncludedWonOntologies.get(resourceURI);
            if (fallbackResult.isPresent()) {
                logger.debug("Found fallback resource for {}, returning as result", resourceURI);
                // we want the application to get a (possibly updated) version of this resource
                // eventually, but we
                // also want to avoid to keep making failing requests. We return the fallback
                // result and use
                // a caching period of one hour.
                Dataset dataset = DatasetFactory.createGeneral();
                dataset.setDefaultModel(fallbackResult.get());
                HttpHeaders headers = new HttpHeaders();
                headers.add(HttpHeaders.CACHE_CONTROL, "max-age=" + FALLBACK_CACHE_MAX_AGE_SECONDS);
                return new DatasetResponseWithStatusCodeAndHeaders(dataset, 200, headers);
            }
        }
        if (e instanceof HttpClientErrorException.Forbidden) {
            List<String> wwwAuthenticateHeaders = ((HttpClientErrorException.Forbidden) e).getResponseHeaders().get(HttpHeaders.WWW_AUTHENTICATE);
            if (wwwAuthenticateHeaders != null && !wwwAuthenticateHeaders.isEmpty()) {
                String headerValue = wwwAuthenticateHeaders.get(0);
                throw new LinkedDataFetchingException.ForbiddenAuthMethodProvided(resourceURI, String.format("Access to %s was denied (forbidden), but WWW-Authenticate Header indicates how to authorize", resourceURI), e, headerValue);
            } else {
                throw new LinkedDataFetchingException.Forbidden(resourceURI, String.format("Access to %s was denied (forbidden)", resourceURI), e);
            }
        }
        if (e instanceof HttpClientErrorException.Unauthorized) {
            List<String> wwwAuthenticateHeaders = ((HttpClientErrorException.Forbidden) e).getResponseHeaders().get(HttpHeaders.WWW_AUTHENTICATE);
            if (wwwAuthenticateHeaders != null && !wwwAuthenticateHeaders.isEmpty()) {
                String headerValue = wwwAuthenticateHeaders.get(0);
                throw new LinkedDataFetchingException.UnauthorizedAuthMethodProvided(resourceURI, String.format("Access to %s was denied (unauthorized, possibly due to an invalid token), but WWW-Authenticate Header indicates how to authorize", resourceURI), e, headerValue);
            } else {
                throw new LinkedDataFetchingException.Unauthorized(resourceURI, String.format("Access to %s was denied (unauthorized, possibly due to an invalid token)", resourceURI), e);
            }
        }
        if (e instanceof HttpClientErrorException) {
            throw new LinkedDataFetchingException(resourceURI, MessageFormat.format("Caught a HttpClientErrorException exception, for {0}. Underlying error message is: {1}, response Body: {2}", resourceURI, e.getMessage(), ((HttpClientErrorException) e).getResponseBodyAsString()), e, ((HttpClientErrorException) e).getRawStatusCode());
        }
        if (e instanceof HttpServerErrorException) {
            throw new LinkedDataFetchingException(resourceURI, MessageFormat.format("Caught a HttpServerErrorException exception, for {0}. Underlying error message is: {1}, response Body: {2}", resourceURI, e.getMessage(), ((HttpServerErrorException) e).getResponseBodyAsString()), e, ((HttpServerErrorException) e).getRawStatusCode());
        }
        throw new LinkedDataFetchingException(resourceURI, MessageFormat.format("Caught a clientHandler exception, " + "which may indicate that the URI that was accessed isn''t a" + " linked data URI, please check {0}. Underlying error message is: {1}", resourceURI, e.getMessage()), e);
    }
    if (logger.isDebugEnabled()) {
        if (result == null) {
            logger.debug("fetching resulted in null dataset for resource {}", resourceURI);
        } else if (result.getDefaultModel() == null) {
            logger.debug("fetched dataset with empty default model for resource {}", resourceURI);
        } else {
            logger.debug("fetched dataset with {} statements in default model for resource {}", result.getDefaultModel().size(), resourceURI);
        }
    }
    sw.stop();
    logger.debug(LogMarkers.TIMING, "fetching {} took {} millis", resourceURI, sw.getLastTaskTimeMillis());
    return new DatasetResponseWithStatusCodeAndHeaders(result, statusCode, responseHeaders);
}