Examples with XLog org.apache.oozie.util.XLog used on opensource projects

Example 21 with XLog

use of org.apache.oozie.util.XLog in project oozie by apache.

the class JsonRestServlet method service.

/**
 * Dispatches to super after loginfo and intrumentation handling. In case of errors dispatches error response codes
 * and does error logging.
 */
@SuppressWarnings("unchecked")
protected final void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // if (Services.get().isSafeMode() && !request.getMethod().equals("GET") && !allowSafeModeChanges) {
    if (Services.get().getSystemMode() != SYSTEM_MODE.NORMAL && !request.getMethod().equals("GET") && !allowSafeModeChanges) {
        sendErrorResponse(response, HttpServletResponse.SC_SERVICE_UNAVAILABLE, ErrorCode.E0002.toString(), ErrorCode.E0002.getTemplate());
        return;
    }
    Instrumentation.Cron cron = new Instrumentation.Cron();
    requestCron.set(cron);
    try {
        cron.start();
        validateRestUrl(request.getMethod(), getResourceName(request), request.getParameterMap());
        XLog.Info.get().clear();
        String user = getUser(request);
        TOTAL_REQUESTS_SAMPLER_COUNTER.incrementAndGet();
        samplerCounter.incrementAndGet();
        // If trace is enabled then display the request headers
        XLog log = XLog.getLog(getClass());
        if (log.isTraceEnabled()) {
            logHeaderInfo(request);
        }
        super.service(request, response);
    } catch (XServletException ex) {
        XLog log = XLog.getLog(getClass());
        log.warn("URL[{0} {1}] error[{2}], {3}", request.getMethod(), getRequestUrl(request), ex.getErrorCode(), ex.getMessage(), ex);
        request.setAttribute(AUDIT_ERROR_MESSAGE, ex.getMessage());
        request.setAttribute(AUDIT_ERROR_CODE, ex.getErrorCode().toString());
        request.setAttribute(AUDIT_HTTP_STATUS_CODE, ex.getHttpStatusCode());
        incrCounter(INSTR_TOTAL_FAILED_REQUESTS_COUNTER, 1);
        sendErrorResponse(response, ex.getHttpStatusCode(), ex.getErrorCode().toString(), ex.getMessage());
    } catch (AccessControlException ex) {
        XLog log = XLog.getLog(getClass());
        log.error("URL[{0} {1}] error, {2}", request.getMethod(), getRequestUrl(request), ex.getMessage(), ex);
        incrCounter(INSTR_TOTAL_FAILED_REQUESTS_COUNTER, 1);
        sendErrorResponse(response, HttpServletResponse.SC_UNAUTHORIZED, ErrorCode.E1400.toString(), ex.getMessage());
    } catch (IllegalArgumentException ex) {
        XLog log = XLog.getLog(getClass());
        log.warn("URL[{0} {1}] user error, {2}", request.getMethod(), getRequestUrl(request), ex.getMessage(), ex);
        incrCounter(INSTR_TOTAL_FAILED_REQUESTS_COUNTER, 1);
        sendErrorResponse(response, HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E1603.toString(), ex.getMessage());
    } catch (RuntimeException ex) {
        XLog log = XLog.getLog(getClass());
        log.error("URL[{0} {1}] error, {2}", request.getMethod(), getRequestUrl(request), ex.getMessage(), ex);
        incrCounter(INSTR_TOTAL_FAILED_REQUESTS_COUNTER, 1);
        throw ex;
    } finally {
        logAuditInfo(request);
        TOTAL_REQUESTS_SAMPLER_COUNTER.decrementAndGet();
        incrCounter(INSTR_TOTAL_REQUESTS_COUNTER, 1);
        samplerCounter.decrementAndGet();
        XLog.Info.remove();
        cron.stop();
        // TODO
        incrCounter(instrumentationName, 1);
        incrCounter(instrumentationName + "-" + request.getMethod(), 1);
        addCron(instrumentationName, cron);
        addCron(instrumentationName + "-" + request.getMethod(), cron);
        requestCron.remove();
    }
}