public static void invokeRequest(Valve pipelineHead, Request request)
throws ServletException, IOException {
pipelineHead.invoke(request, request.getResponse());
// StandardHostValve calls request.getSession(false) on way out, so we will too
request.getSession(false);
request.recycle();
}
private void bz51881(CometEvent event) throws IOException {
String[] tomcatVersion = config.getServletContext().getServerInfo().substring(14).split("\\.");
String minorVersion = tomcatVersion[2];
if (minorVersion.indexOf("-") != -1) {
minorVersion = minorVersion.substring(0, minorVersion.indexOf("-"));
if (Integer.valueOf(minorVersion) == 22) {
minorVersion = "23";
}
}
if (Integer.valueOf(tomcatVersion[0]) == 7 && Integer.valueOf(minorVersion) < 23) {
logger.info(
"Patching Tomcat 7.0.22 and lower bz51881. Expect NPE inside CoyoteAdapter, just ignore them. Upgrade to 7.0.23");
try {
RequestFacade request = RequestFacade.class.cast(event.getHttpServletRequest());
Field coyoteRequest = RequestFacade.class.getDeclaredField("request");
coyoteRequest.setAccessible(true);
Request r = (Request) coyoteRequest.get(request);
r.recycle();
Field mappingData = Request.class.getDeclaredField("mappingData");
mappingData.setAccessible(true);
MappingData m = new MappingData();
m.context = null;
mappingData.set(r, m);
} catch (Throwable t) {
logger.trace("Was unable to recycle internal Tomcat object");
} finally {
try {
event.close();
} catch (IllegalStateException e) {
logger.trace("", e);
}
}
try {
ResponseFacade response = ResponseFacade.class.cast(event.getHttpServletResponse());
Field coyoteResponse = ResponseFacade.class.getDeclaredField("response");
coyoteResponse.setAccessible(true);
Response r = (Response) coyoteResponse.get(response);
r.recycle();
} catch (Throwable t) {
logger.trace("Was unable to recycle internal Tomcat object");
}
} else {
event.close();
}
}