Program: 110125
Project: 110125
Buggy source:
@Override public Response act(final Request req) throws IOException {
  final Href href=new RqHref.Base(req).href();
  final Iterator<String> token=href.param("String_Node_Str").iterator();
  String key="String_Node_Str";
  final Inbox inbox;
  while (token.hasNext()) {
    key=token.next();
  }
  if (key.isEmpty()) {
    inbox=new RqAlias(this.base,req).alias().inbox();
  }
 else   if (this.tokens.containsKey(key)) {
    final Pair<Date,Inbox> cached=this.tokens.get(key);
    final long diff=(new Date()).getTime() - (cached.getLeft()).getTime();
    if ((TimeUnit.MILLISECONDS.toDays(diff)) <= 2) {
      inbox=cached.getRight();
    }
 else {
      this.tokens.remove(key);
      inbox=new RqAlias(this.base,req).alias().inbox();
    }
  }
 else {
    inbox=new RqAlias(this.base,req).alias().inbox();
    this.tokens.put(key,Pair.of(new Date(),inbox));
  }
  final long number=inbox.start();
  final Bout bout=inbox.bout(number);
  final StringBuilder msg=new StringBuilder(String.format("String_Node_Str",number));
  this.rename(bout,msg,href);
  this.invite(bout,msg,href);
  final Iterator<String> post=href.param("String_Node_Str").iterator();
  while (post.hasNext()) {
    try {
      bout.messages().post(post.next());
    }
 catch (    final Messages.BrokenPostException ex) {
      this.discard(bout);
      throw new RsFailure(ex);
    }
    msg.append("String_Node_Str");
  }
  throw new RsForward(new RsFlash(msg.toString()),new RqHref.Smart(new RqHref.Base(req)).home().path("String_Node_Str").path(Long.toString(number)));
}

Fixed version (ground truth):
@Override public Response act(final Request req) throws IOException {
  final Href href=new RqHref.Base(req).href();
  final Iterator<String> token=href.param("String_Node_Str").iterator();
  String key="String_Node_Str";
  long diff=0;
  final Inbox inbox;
  while (token.hasNext()) {
    key=token.next();
  }
  if (key.isEmpty()) {
    inbox=new RqAlias(this.base,req).alias().inbox();
  }
 else   if (this.tokens.containsKey(key)) {
    final Pair<Date,Inbox> cached=this.tokens.get(key);
    diff=(new Date()).getTime() - (cached.getLeft()).getTime();
    if ((TimeUnit.MILLISECONDS.toDays(diff)) <= 2) {
      inbox=cached.getRight();
    }
 else {
      this.tokens.remove(key);
      inbox=new RqAlias(this.base,req).alias().inbox();
    }
  }
 else {
    inbox=new RqAlias(this.base,req).alias().inbox();
    this.tokens.put(key,Pair.of(new Date(),inbox));
  }
  diff=(new Date()).getTime() - lastChecked.getTime();
  if ((TimeUnit.MILLISECONDS.toHours(diff)) >= 1) {
    lastChecked=new Date();
    clearCache();
  }
  final long number=inbox.start();
  final Bout bout=inbox.bout(number);
  final StringBuilder msg=new StringBuilder(String.format("String_Node_Str",number));
  this.rename(bout,msg,href);
  this.invite(bout,msg,href);
  final Iterator<String> post=href.param("String_Node_Str").iterator();
  while (post.hasNext()) {
    try {
      bout.messages().post(post.next());
    }
 catch (    final Messages.BrokenPostException ex) {
      this.discard(bout);
      throw new RsFailure(ex);
    }
    msg.append("String_Node_Str");
  }
  throw new RsForward(new RsFlash(msg.toString()),new RqHref.Smart(new RqHref.Base(req)).home().path("String_Node_Str").path(Long.toString(number)));
}