Package org.apache.oozie.service

Examples of org.apache.oozie.service.ServiceException

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                    CONF_CALCULATOR_IMPL, null);
            calcImpl = calcClazz == null ? new SLACalculatorMemory() : (SLACalculator) calcClazz.newInstance();
            calcImpl.init(conf);
            eventHandler = Services.get().get(EventHandlerService.class);
            if (eventHandler == null) {
                throw new ServiceException(ErrorCode.E0103, "EventHandlerService", "Add it under config "
                        + Services.CONF_SERVICE_EXT_CLASSES + " or declare it BEFORE SLAService");
            }
            LOG = XLog.getLog(getClass());
            java.util.Set<String> appTypes = eventHandler.getAppTypes();
            appTypes.add("workflow_action");
            eventHandler.setAppTypes(appTypes);

            Runnable slaThread = new SLAWorker(calcImpl);
            // schedule runnable by default every 30 sec
            services.get(SchedulerService.class).schedule(slaThread, 10, 30, SchedulerService.Unit.SEC);
            slaEnabled = true;
            LOG.info("SLAService initialized with impl [{0}] capacity [{1}]", calcImpl.getClass().getName(),
                    conf.get(SLAService.CONF_CAPACITY));
        }
        catch (Exception ex) {
            throw new ServiceException(ErrorCode.E0102, ex.getMessage(), ex);
        }
    }
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    public void register(Class<? extends ActionExecutor> klass) throws ServiceException {
        XLog log = XLog.getLog(getClass());
        ActionExecutor executor = (ActionExecutor) ReflectionUtils.newInstance(klass, services.getConf());
        log.trace("Registering action type [{0}] class [{1}]", executor.getType(), klass);
        if (executors.containsKey(executor.getType())) {
            throw new ServiceException(ErrorCode.E0150, XLog.format(
                    "Action executor for action type [{0}] already registered", executor.getType()));
        }
        ActionExecutor.enableInit();
        executor.initActionType();
        ActionExecutor.disableInit();
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        if (kerberosAuthOn) {
            try {
                String keytabFile = serviceConf.get(KERBEROS_KEYTAB,
                                                    System.getProperty("user.home") + "/oozie.keytab").trim();
                if (keytabFile.length() == 0) {
                    throw new ServiceException(ErrorCode.E0026, KERBEROS_KEYTAB);
                }
                String principal = serviceConf.get(KERBEROS_PRINCIPAL, "oozie/localhost@LOCALHOST");
                if (principal.length() == 0) {
                    throw new ServiceException(ErrorCode.E0026, KERBEROS_PRINCIPAL);
                }
                Configuration conf = new Configuration();
                conf.set("hadoop.security.authentication", "kerberos");
                UserGroupInformation.setConfiguration(conf);
                UserGroupInformation.loginUserFromKeytab(principal, keytabFile);
                XLog.getLog(getClass()).info("Got Kerberos ticket, keytab [{0}], Oozie principal principal [{1}]",
                                             keytabFile, principal);
            }
            catch (ServiceException ex) {
                throw ex;
            }
            catch (Exception ex) {
                throw new ServiceException(ErrorCode.E0100, getClass().getName(), ex.getMessage(), ex);
            }
        }
        else {
            Configuration conf = new Configuration();
            conf.set("hadoop.security.authentication", "simple");
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Related Classes of org.apache.oozie.service.ServiceException

  • org.apache.oozie.service.ActionService
  • org.apache.oozie.service.KerberosHadoopAccessorService
  • org.apache.oozie.service.SchemaService
  • org.apache.oozie.sla.service.SLAService
  • org.apache.oozie.sla.SLACalculatorMemory
  • org.apache.oozie.util.ZKUtils
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