Examples with ServiceUnavailableException javax.ws.rs.ServiceUnavailableException used on opensource projects

Example 26 with ServiceUnavailableException

use of javax.ws.rs.ServiceUnavailableException in project cdap by caskdata.

the class RuntimeMonitor method run.

@Override
protected void run() {
    runThread = Thread.currentThread();
    try {
        while (!stopped) {
            try {
                if (topicsToRequest.isEmpty()) {
                    initializeTopics();
                }
                HttpResponse response = restClient.execute(HttpRequest.builder(HttpMethod.POST, clientConfig.resolveURL("runtime/metadata")).withBody(GSON.toJson(topicsToRequest)).build());
                if (response.getResponseCode() == HttpURLConnection.HTTP_UNAVAILABLE) {
                    throw new ServiceUnavailableException(response.getResponseBodyAsString());
                }
                Map<String, List<MonitorMessage>> monitorResponses = GSON.fromJson(response.getResponseBodyAsString(StandardCharsets.UTF_8), MAP_STRING_MESSAGE_TYPE);
                processResponse(monitorResponses);
            } catch (Exception e) {
                OUTAGE_LOG.warn("Failed to fetch monitoring data from program {}, run {}. Will be retried in next iteration.", programId.getProgram(), programId.getRun(), e);
            }
            Thread.sleep(pollTimeMillis);
        }
    } catch (InterruptedException e) {
    // Interruption means stopping the service.
    }
}

Example 27 with ServiceUnavailableException

use of javax.ws.rs.ServiceUnavailableException in project cdap by caskdata.

the class RuntimeMonitor method initializeTopics.

private void initializeTopics() throws Exception {
    Set<String> topicsToMonitor = new HashSet<>();
    topicsToMonitor.addAll(Arrays.asList(cConf.get(Constants.RuntimeMonitor.TOPICS).split(",")));
    HttpResponse response = restClient.execute(HttpMethod.POST, clientConfig.resolveURL("runtime/monitor/topics"), GSON.toJson(topicsToMonitor), Collections.emptyMap(), null);
    if (response.getResponseCode() == HttpURLConnection.HTTP_UNAVAILABLE) {
        throw new ServiceUnavailableException(response.getResponseBodyAsString());
    }
    Map<String, String> configToTopic = GSON.fromJson(response.getResponseBodyAsString(StandardCharsets.UTF_8), MAP_STRING_STRING_TYPE);
    // TODO initialize from offset table for a given programId
    for (Map.Entry<String, String> entry : configToTopic.entrySet()) {
        topicsToRequest.put(entry.getKey(), new MonitorConsumeRequest(entry.getValue(), entry.getKey(), null, limit));
    }
}

Example 28 with ServiceUnavailableException

use of javax.ws.rs.ServiceUnavailableException in project incubator-pulsar by apache.

the class BaseResource method getApiException.

public PulsarAdminException getApiException(Throwable e) {
    if (e instanceof PulsarAdminException) {
        return (PulsarAdminException) e;
    } else if (e instanceof ServiceUnavailableException) {
        if (e.getCause() instanceof java.net.ConnectException) {
            return new ConnectException(e.getCause());
        } else {
            ServerErrorException see = (ServerErrorException) e;
            int statusCode = see.getResponse().getStatus();
            String httpError = getReasonFromServer(see);
            return new PulsarAdminException(e, httpError, statusCode);
        }
    } else if (e instanceof WebApplicationException) {
        // Handle 5xx exceptions
        if (e instanceof ServerErrorException) {
            ServerErrorException see = (ServerErrorException) e;
            int statusCode = see.getResponse().getStatus();
            String httpError = getReasonFromServer(see);
            return new ServerSideErrorException(see, httpError, httpError, statusCode);
        } else if (e instanceof ClientErrorException) {
            // Handle 4xx exceptions
            ClientErrorException cee = (ClientErrorException) e;
            int statusCode = cee.getResponse().getStatus();
            String httpError = getReasonFromServer(cee);
            switch(statusCode) {
                case 401:
                case 403:
                    return new NotAuthorizedException(cee, httpError, statusCode);
                case 404:
                    return new NotFoundException(cee, httpError, statusCode);
                case 405:
                    return new NotAllowedException(cee, httpError, statusCode);
                case 409:
                    return new ConflictException(cee, httpError, statusCode);
                case 412:
                    return new PreconditionFailedException(cee, httpError, statusCode);
                default:
                    return new PulsarAdminException(httpError, cee, httpError, statusCode);
            }
        } else {
            WebApplicationException wae = (WebApplicationException) e;
            int statusCode = wae.getResponse().getStatus();
            String httpError = getReasonFromServer(wae);
            return new PulsarAdminException(httpError, wae, httpError, statusCode);
        }
    } else {
        return new PulsarAdminException(e);
    }
}

Example 29 with ServiceUnavailableException

use of javax.ws.rs.ServiceUnavailableException in project dataverse by IQSS.

the class Access method tabularDatafileMetadataDDI.

/* 
     * This has been moved here, under /api/access, from the /api/meta hierarchy
     * which we are going to retire.
     */
@Path("datafile/{fileId}/metadata/ddi")
@GET
@Produces({ "text/xml" })
public String tabularDatafileMetadataDDI(@PathParam("fileId") String fileId, @QueryParam("fileMetadataId") Long fileMetadataId, @QueryParam("exclude") String exclude, @QueryParam("include") String include, @Context HttpHeaders header, @Context HttpServletResponse response) throws NotFoundException, ServiceUnavailableException /*, PermissionDeniedException, AuthorizationRequiredException*/
{
    String retValue = "";
    DataFile dataFile = null;
    dataFile = findDataFileOrDieWrapper(fileId);
    if (!dataFile.isTabularData()) {
        throw new BadRequestException("tabular data required");
    }
    if (dataFile.isRestricted() || FileUtil.isActivelyEmbargoed(dataFile)) {
        boolean hasPermissionToDownloadFile = false;
        DataverseRequest dataverseRequest;
        try {
            dataverseRequest = createDataverseRequest(findUserOrDie());
        } catch (WrappedResponse ex) {
            throw new BadRequestException("cannot find user");
        }
        if (dataverseRequest != null && dataverseRequest.getUser() instanceof GuestUser) {
            // We must be in the UI. Try to get a non-GuestUser from the session.
            dataverseRequest = dvRequestService.getDataverseRequest();
        }
        hasPermissionToDownloadFile = permissionService.requestOn(dataverseRequest, dataFile).has(Permission.DownloadFile);
        if (!hasPermissionToDownloadFile) {
            throw new BadRequestException("no permission to download file");
        }
    }
    response.setHeader("Content-disposition", "attachment; filename=\"dataverse_files.zip\"");
    FileMetadata fm = null;
    if (fileMetadataId == null) {
        fm = dataFile.getFileMetadata();
    } else {
        fm = dataFileService.findFileMetadata(fileMetadataId);
    }
    String fileName = fm.getLabel().replaceAll("\\.tab$", "-ddi.xml");
    response.setHeader("Content-disposition", "attachment; filename=\"" + fileName + "\"");
    response.setHeader("Content-Type", "application/xml; name=\"" + fileName + "\"");
    ByteArrayOutputStream outStream = null;
    outStream = new ByteArrayOutputStream();
    Long dataFileId = dataFile.getId();
    try {
        ddiExportService.exportDataFile(dataFileId, outStream, exclude, include, fileMetadataId);
        retValue = outStream.toString();
    } catch (Exception e) {
        // We return Service Unavailable.
        throw new ServiceUnavailableException();
    }
    return retValue;
}

Example 30 with ServiceUnavailableException

use of javax.ws.rs.ServiceUnavailableException in project dataverse by IQSS.

the class Meta method dataset.

@Deprecated
@Path("dataset/{datasetId}")
@GET
@Produces({ "application/xml" })
public String dataset(@PathParam("datasetId") Long datasetId, @QueryParam("exclude") String exclude, @QueryParam("include") String include, @Context HttpHeaders header, @Context HttpServletResponse response) throws NotFoundException /*, ServiceUnavailableException, PermissionDeniedException, AuthorizationRequiredException*/
{
    Dataset dataset = datasetService.find(datasetId);
    if (dataset == null) {
        throw new NotFoundException();
    }
    String retValue = "";
    ByteArrayOutputStream outStream = null;
    outStream = new ByteArrayOutputStream();
    try {
        ddiExportService.exportDataset(datasetId, outStream, exclude, include);
        retValue = outStream.toString();
    } catch (Exception e) {
        // metadata record requested. We simply return an empty string.
        throw new ServiceUnavailableException();
    }
    return retValue;
}