Package org.apache.catalina.util

Examples of org.apache.catalina.util.InstanceSupport

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        if (wrapper == null) {
            throw new IllegalStateException("Missing wrapper");
        }

        InstanceSupport support = wrapper.getInstanceSupport();

        // Call the next filter if there is one
        if (pos < n) {
            ApplicationFilterConfig filterConfig = filters[pos++];
            if (!filterConfig.isAsyncSupported()) {
                requestFacade.disableAsyncSupport();
            }
            Filter filter = null;
            try {
                filter = filterConfig.getFilter();
                support.fireInstanceEvent(BEFORE_FILTER_EVENT,
                                          filter, request, response);
               
                if( SecurityUtil.isPackageProtectionEnabled() ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();
                    Object[] filterType = new Object[3];

                    filterType[0] = req;
                    filterType[1] = res;
                    filterType[2] = this;
                    SecurityUtil.doAsPrivilege
                        ("doFilter", filter, classType, filterType, principal);
                } else { 
                    filter.doFilter(request, response, this);
                }

                support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                          filter, request, response);
            } catch (IOException e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (ServletException e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (RuntimeException e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (Throwable e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw new ServletException
                  (sm.getString("filterChain.filter"), e);
            }
            return;
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    // START IASRI 4665318
    void service(ServletRequest request, ServletResponse response,
                 Servlet serv, RequestFacade requestFacade)
             throws IOException, ServletException {

        InstanceSupport supp = getInstanceSupport();

        try {
            supp.fireInstanceEvent(BEFORE_SERVICE_EVENT,
                                   serv, request, response);
            if (!isAsyncSupported()) {
                requestFacade.disableAsyncSupport();
            }
            if ((request instanceof HttpServletRequest) &&
                (response instanceof HttpServletResponse)) {
                   
                if ( SecurityUtil.executeUnderSubjectDoAs() ){
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();

                    Object[] serviceType = new Object[2];
                    serviceType[0] = req;
                    serviceType[1] = res;
                   
                    SecurityUtil.doAsPrivilege("service",
                                               serv,
                                               classTypeUsedInService,
                                               serviceType,
                                               principal);                                                  
                    serviceType = null;
                } else { 
                    serv.service((HttpServletRequest) request,
                                 (HttpServletResponse) response);
                }
            } else {
                serv.service(request, response);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response);
        } catch (IOException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (ServletException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (RuntimeException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (Error e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (Throwable e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw new ServletException
              (sm.getString("filterChain.servlet"), e);
        }
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        // Get the FilterChain Here
        ApplicationFilterFactory factory = ApplicationFilterFactory.getInstance();
        ApplicationFilterChain filterChain = factory.createFilterChain(
            request, wrapper, servlet);

        InstanceSupport support = ((StandardWrapper) wrapper).getInstanceSupport();

        // Call the service() method for the allocated servlet instance
        try {
            String jspFile = wrapper.getJspFile();
            if (jspFile != null) {
                request.setAttribute(Globals.JSP_FILE_ATTR, jspFile);
            }
            support.fireInstanceEvent(
                InstanceEvent.EventType.BEFORE_DISPATCH_EVENT,
                servlet, request, response);
            // for includes/forwards
            /* IASRI 4665318
            if ((servlet != null) && (filterChain != null)) {
            */
            // START IASRI 4665318
            if (servlet != null) {
            // END IASRI 4665318
                // START OF S1AS 4703023               
                requestFacade.incrementDispatchDepth();
                if (requestFacade.isMaxDispatchDepthReached()) {
                    throw new ServletException(sm.getString(
                        "applicationDispatcher.maxDispatchDepthReached",
                        new Object[] { Integer.valueOf(
                            Request.getMaxDispatchDepth())}));
                }
                // END OF S1AS 4703023
                /* IASRI 4665318
                filterChain.doFilter(request, response);
                */
                // START IASRI 4665318
                if (filterChain != null) {
                    filterChain.setRequestFacade(requestFacade);
                    filterChain.setWrapper((StandardWrapper)wrapper);
                    filterChain.doFilter(request, response);
                } else {
                    ((StandardWrapper)wrapper).service(
                        request, response, servlet, requestFacade);
                }
                // END IASRI 4665318
            }
            // Servlet Service Method is called by the FilterChain
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
        } catch (ClientAbortException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            ioException = e;
        } catch (IOException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log(sm.getString("applicationDispatcher.serviceException",
                             wrapper.getName()), e);
            ioException = e;
        } catch (UnavailableException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log(sm.getString("applicationDispatcher.serviceException",
                             wrapper.getName()), e);
            servletException = e;
            wrapper.unavailable(e);
        } catch (ServletException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            Throwable rootCause = StandardWrapper.getRootCause(e);
            if (!(rootCause instanceof ClientAbortException)) {
                log(sm.getString("applicationDispatcher.serviceException",
                    wrapper.getName()), rootCause);
            }
            servletException = e;
        } catch (RuntimeException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log(sm.getString("applicationDispatcher.serviceException",
                             wrapper.getName()), e);
            runtimeException = e;
        // START OF S1AS 4703023
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    // START IASRI 4665318
    void service(ServletRequest request, ServletResponse response,
                 Servlet serv)
             throws IOException, ServletException {

        InstanceSupport supp = getInstanceSupport();

        try {
            supp.fireInstanceEvent(BEFORE_SERVICE_EVENT,
                                   serv, request, response);
            if (!isAsyncSupported()) {
                RequestFacadeHelper reqFacHelper =
                    RequestFacadeHelper.getInstance(request);
                if (reqFacHelper != null) {
                    reqFacHelper.disableAsyncSupport();
                }
            }
            if ((request instanceof HttpServletRequest) &&
                (response instanceof HttpServletResponse)) {
                   
                if ( SecurityUtil.executeUnderSubjectDoAs() ){
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();

                    Object[] serviceType = new Object[2];
                    serviceType[0] = req;
                    serviceType[1] = res;
                   
                    SecurityUtil.doAsPrivilege("service",
                                               serv,
                                               classTypeUsedInService,
                                               serviceType,
                                               principal);                                                  
                } else { 
                    serv.service((HttpServletRequest) request,
                                 (HttpServletResponse) response);
                }
            } else {
                serv.service(request, response);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response);
        } catch (IOException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (ServletException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (RuntimeException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (Error e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (Throwable e) {
            // Set response status before firing event, see IT 10022
            ((HttpServletResponse)response).setStatus(
                HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw new ServletException(rb.getString(SERVLET_EXECUTION_EXCEPTION), e);
        }

    }
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        if (wrapper == null) {
            throw new IllegalStateException("Missing wrapper");
        }

        InstanceSupport support = wrapper.getInstanceSupport();

        // Call the next filter if there is one
        if (pos < n) {
            ApplicationFilterConfig filterConfig = filters[pos++];
            if (!filterConfig.isAsyncSupported()) {
                RequestFacadeHelper reqFacHelper = RequestFacadeHelper.getInstance(request);
                if (reqFacHelper != null) {
                    reqFacHelper.disableAsyncSupport();
                }
            }
            Filter filter = null;
            try {
                filter = filterConfig.getFilter();
                support.fireInstanceEvent(BEFORE_FILTER_EVENT,
                                          filter, request, response);
               
                if( SecurityUtil.isPackageProtectionEnabled() ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();
                    Object[] filterType = new Object[3];

                    filterType[0] = req;
                    filterType[1] = res;
                    filterType[2] = this;
                    SecurityUtil.doAsPrivilege
                        ("doFilter", filter, classType, filterType, principal);
                } else { 
                    filter.doFilter(request, response, this);
                }

                support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                          filter, request, response);
            } catch (IOException e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (ServletException e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (RuntimeException e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (Throwable e) {
                if (filter != null)
                    support.fireInstanceEvent(AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw new ServletException
                        (rb.getString(FILTER_EXECUTION_EXCEPTION), e);
            }
            return;
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        // Get the FilterChain Here
        ApplicationFilterFactory factory = ApplicationFilterFactory.getInstance();
        ApplicationFilterChain filterChain = factory.createFilterChain(
            request, wrapper, servlet);

        InstanceSupport support = ((StandardWrapper) wrapper).getInstanceSupport();

        // Call the service() method for the allocated servlet instance
        String servletServiceExceptionMsg =
                MessageFormat.format(rb.getString(SERVLET_SERVICE_EXCEPTION),
                                     wrapper.getName());
        RequestFacadeHelper reqFacHelper = RequestFacadeHelper.getInstance(request);
        try {
            String jspFile = wrapper.getJspFile();
            if (jspFile != null) {
                request.setAttribute(Globals.JSP_FILE_ATTR, jspFile);
            }
            support.fireInstanceEvent(
                InstanceEvent.EventType.BEFORE_DISPATCH_EVENT,
                servlet, request, response);
            // for includes/forwards
            /* IASRI 4665318
            if ((servlet != null) && (filterChain != null)) {
            */
            // START IASRI 4665318
            if (servlet != null) {
            // END IASRI 4665318
                // START OF S1AS 4703023
                if (reqFacHelper != null) {
                    reqFacHelper.incrementDispatchDepth();
                    if (reqFacHelper.isMaxDispatchDepthReached()) {
                        String msg = MessageFormat.format(MAX_DISPATCH_DEPTH_REACHED,
                                                          new Object[]{Integer.valueOf(Request.getMaxDispatchDepth())});
                        throw new ServletException(msg);
                    }
                }
                // END OF S1AS 4703023
                /* IASRI 4665318
                filterChain.doFilter(request, response);
                */
                // START IASRI 4665318
                if (filterChain != null) {
                    filterChain.setWrapper((StandardWrapper)wrapper);
                    filterChain.doFilter(request, response);
                } else {
                    ((StandardWrapper)wrapper).service(
                        request, response, servlet);
                }
                // END IASRI 4665318
            }
            // Servlet Service Method is called by the FilterChain
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
        } catch (ClientAbortException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            ioException = e;
        } catch (IOException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log.log(Level.WARNING, servletServiceExceptionMsg, e);
            ioException = e;
        } catch (UnavailableException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log.log(Level.WARNING, servletServiceExceptionMsg, e);
            servletException = e;
            wrapper.unavailable(e);
        } catch (ServletException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            Throwable rootCause = StandardWrapper.getRootCause(e);
            if (!(rootCause instanceof ClientAbortException)) {
                log.log(Level.WARNING, servletServiceExceptionMsg, rootCause);
            }
            servletException = e;
        } catch (RuntimeException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log.log(Level.WARNING, servletServiceExceptionMsg, e);
            runtimeException = e;
        // START OF S1AS 4703023
        } finally {
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        this.queryString = queryString;
        this.name = name;
        if (wrapper instanceof StandardWrapper)
            this.support = ((StandardWrapper) wrapper).getInstanceSupport();
        else
            this.support = new InstanceSupport(wrapper);

        if ( log.isDebugEnabled() )
            log.debug("servletPath=" + this.servletPath + ", pathInfo=" +
                this.pathInfo + ", queryString=" + queryString +
                ", name=" + this.name);
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    // START IASRI 4665318
    void service(ServletRequest request, ServletResponse response,
                 Servlet serv)
             throws IOException, ServletException {

        InstanceSupport supp = getInstanceSupport();

        try {
            supp.fireInstanceEvent(BEFORE_SERVICE_EVENT,
                                   serv, request, response);
            if (!isAsyncSupported()) {
                RequestFacadeHelper reqFacHelper =
                    RequestFacadeHelper.getInstance(request);
                if (reqFacHelper != null) {
                    reqFacHelper.disableAsyncSupport();
                }
            }
            if ((request instanceof HttpServletRequest) &&
                (response instanceof HttpServletResponse)) {
                   
                if ( SecurityUtil.executeUnderSubjectDoAs() ){
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();

                    Object[] serviceType = new Object[2];
                    serviceType[0] = req;
                    serviceType[1] = res;
                   
                    SecurityUtil.doAsPrivilege("service",
                                               serv,
                                               classTypeUsedInService,
                                               serviceType,
                                               principal);                                                  
                } else { 
                    serv.service((HttpServletRequest) request,
                                 (HttpServletResponse) response);
                }
            } else {
                serv.service(request, response);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response);
        } catch (IOException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (ServletException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (RuntimeException e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (Error e) {
            // Set response status before firing event, see IT 10022
            if (response instanceof HttpServletResponse) {
                ((HttpServletResponse)response).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw e;
        } catch (Throwable e) {
            // Set response status before firing event, see IT 10022
            ((HttpServletResponse)response).setStatus(
                HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            supp.fireInstanceEvent(AFTER_SERVICE_EVENT,
                                   serv, request, response, e);
            throw new ServletException(rb.getString(SERVLET_EXECUTION_EXCEPTION), e);
        }

    }
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        this.queryString = queryString;
        this.name = name;
        if (wrapper instanceof StandardWrapper)
            this.support = ((StandardWrapper) wrapper).getInstanceSupport();
        else
            this.support = new InstanceSupport(wrapper);

    }
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        // Get the FilterChain Here
        ApplicationFilterFactory factory = ApplicationFilterFactory.getInstance();
        ApplicationFilterChain filterChain = factory.createFilterChain(
            request, wrapper, servlet);

        InstanceSupport support = ((StandardWrapper) wrapper).getInstanceSupport();

        // Call the service() method for the allocated servlet instance
        String servletServiceExceptionMsg =
                MessageFormat.format(rb.getString(SERVLET_SERVICE_EXCEPTION),
                                     wrapper.getName());
        RequestFacadeHelper reqFacHelper = RequestFacadeHelper.getInstance(request);
        try {
            String jspFile = wrapper.getJspFile();
            if (jspFile != null) {
                request.setAttribute(Globals.JSP_FILE_ATTR, jspFile);
            }
            support.fireInstanceEvent(
                InstanceEvent.EventType.BEFORE_DISPATCH_EVENT,
                servlet, request, response);
            // for includes/forwards
            /* IASRI 4665318
            if ((servlet != null) && (filterChain != null)) {
            */
            // START IASRI 4665318
            if (servlet != null) {
            // END IASRI 4665318
                // START OF S1AS 4703023
                if (reqFacHelper != null) {
                    reqFacHelper.incrementDispatchDepth();
                    if (reqFacHelper.isMaxDispatchDepthReached()) {
                        String msg = MessageFormat.format(MAX_DISPATCH_DEPTH_REACHED,
                                                          new Object[]{Integer.valueOf(Request.getMaxDispatchDepth())});
                        throw new ServletException(msg);
                    }
                }
                // END OF S1AS 4703023
                /* IASRI 4665318
                filterChain.doFilter(request, response);
                */
                // START IASRI 4665318
                if (filterChain != null) {
                    filterChain.setWrapper((StandardWrapper)wrapper);
                    filterChain.doFilter(request, response);
                } else {
                    ((StandardWrapper)wrapper).service(
                        request, response, servlet);
                }
                // END IASRI 4665318
            }
            // Servlet Service Method is called by the FilterChain
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
        } catch (ClientAbortException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            ioException = e;
        } catch (IOException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log.log(Level.WARNING, servletServiceExceptionMsg, e);
            ioException = e;
        } catch (UnavailableException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log.log(Level.WARNING, servletServiceExceptionMsg, e);
            servletException = e;
            wrapper.unavailable(e);
        } catch (ServletException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            Throwable rootCause = StandardWrapper.getRootCause(e);
            if (!(rootCause instanceof ClientAbortException)) {
                log.log(Level.WARNING, servletServiceExceptionMsg, rootCause);
            }
            servletException = e;
        } catch (RuntimeException e) {
            support.fireInstanceEvent(AFTER_DISPATCH_EVENT,
                                      servlet, request, response);
            log.log(Level.WARNING, servletServiceExceptionMsg, e);
            runtimeException = e;
        // START OF S1AS 4703023
        } finally {
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TOP

Related Classes of org.apache.catalina.util.InstanceSupport

  • org.apache.catalina.core.ApplicationDispatcher
  • org.apache.catalina.core.ApplicationFilterChain
  • org.apache.catalina.core.StandardWrapper
  • org.apache.catalina.InstanceEvent
  • org.apache.catalina.InstanceListener
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