@Override
public void checkRecycled(org.apache.coyote.Request req, org.apache.coyote.Response res) {
Request request = (Request) req.getNote(ADAPTER_NOTES);
Response response = (Response) res.getNote(ADAPTER_NOTES);
String messageKey = null;
if (request != null && request.getHost() != null) {
messageKey = "coyoteAdapter.checkRecycled.request";
} else if (response != null && response.getContentWritten() != 0) {
messageKey = "coyoteAdapter.checkRecycled.response";
}
if (messageKey != null) {
// Log this request, as it has probably skipped the access log.
// The log() method will take care of recycling.
log(req, res, 0L);
if (connector.getState().isAvailable()) {
if (log.isInfoEnabled()) {
log.info(sm.getString(messageKey), new RecycleRequiredException());
}
} else {
// There may be some aborted requests.
// When connector shuts down, the request and response will not
// be reused, so there is no issue to warn about here.
if (log.isDebugEnabled()) {
log.debug(sm.getString(messageKey), new RecycleRequiredException());
}
}
}
}
public long getContentWritten() {
if (response == null) {
throw new IllegalStateException(sm.getString("responseFacade.nullResponse"));
}
return response.getContentWritten();
}
/**
* Prints out an error report.
*
* @param request The request being processed
* @param response The response being generated
* @param throwable The exception that occurred (which possibly wraps a root cause exception
*/
protected void report(Request request, Response response, Throwable throwable) {
// Do nothing on non-HTTP responses
int statusCode = response.getStatus();
// Do nothing on a 1xx, 2xx and 3xx status
// Do nothing if anything has been written already
if (statusCode < 400 || response.getContentWritten() > 0 || !response.isError()) {
return;
}
String message = RequestUtil.filter(response.getMessage());
if (message == null) {
if (throwable != null) {
String exceptionMessage = throwable.getMessage();
if (exceptionMessage != null && exceptionMessage.length() > 0) {
message = RequestUtil.filter((new Scanner(exceptionMessage)).nextLine());
}
}
if (message == null) {
message = "";
}
}
// Do nothing if there is no report for the specified status code
String report = null;
try {
report = sm.getString("http." + statusCode);
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
}
if (report == null) {
return;
}
StringBuilder sb = new StringBuilder();
sb.append("<html><head><title>");
sb.append(ServerInfo.getServerInfo()).append(" - ");
sb.append(sm.getString("errorReportValve.errorReport"));
sb.append("</title>");
sb.append("<style><!--");
sb.append(org.apache.catalina.util.TomcatCSS.TOMCAT_CSS);
sb.append("--></style> ");
sb.append("</head><body>");
sb.append("<h1>");
sb.append(sm.getString("errorReportValve.statusHeader", "" + statusCode, message))
.append("</h1>");
sb.append("<HR size=\"1\" noshade=\"noshade\">");
sb.append("<p><b>type</b> ");
if (throwable != null) {
sb.append(sm.getString("errorReportValve.exceptionReport"));
} else {
sb.append(sm.getString("errorReportValve.statusReport"));
}
sb.append("</p>");
sb.append("<p><b>");
sb.append(sm.getString("errorReportValve.message"));
sb.append("</b> <u>");
sb.append(message).append("</u></p>");
sb.append("<p><b>");
sb.append(sm.getString("errorReportValve.description"));
sb.append("</b> <u>");
sb.append(report);
sb.append("</u></p>");
if (throwable != null) {
String stackTrace = getPartialServletStackTrace(throwable);
sb.append("<p><b>");
sb.append(sm.getString("errorReportValve.exception"));
sb.append("</b> <pre>");
sb.append(RequestUtil.filter(stackTrace));
sb.append("</pre></p>");
int loops = 0;
Throwable rootCause = throwable.getCause();
while (rootCause != null && (loops < 10)) {
stackTrace = getPartialServletStackTrace(rootCause);
sb.append("<p><b>");
sb.append(sm.getString("errorReportValve.rootCause"));
sb.append("</b> <pre>");
sb.append(RequestUtil.filter(stackTrace));
sb.append("</pre></p>");
// In case root cause is somehow heavily nested
rootCause = rootCause.getCause();
loops++;
}
sb.append("<p><b>");
sb.append(sm.getString("errorReportValve.note"));
sb.append("</b> <u>");
sb.append(sm.getString("errorReportValve.rootCauseInLogs", ServerInfo.getServerInfo()));
sb.append("</u></p>");
}
sb.append("<HR size=\"1\" noshade=\"noshade\">");
sb.append("<h3>").append(ServerInfo.getServerInfo()).append("</h3>");
sb.append("</body></html>");
try {
try {
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
if (container.getLogger().isDebugEnabled()) {
container.getLogger().debug("status.setContentType", t);
}
}
Writer writer = response.getReporter();
if (writer != null) {
// If writer is null, it's an indication that the response has
// been hard committed already, which should never happen
writer.write(sb.toString());
}
} catch (IOException e) {
// Ignore
} catch (IllegalStateException e) {
// Ignore
}
}