• Issue number: #38
• Primary method: net.splitcells.website.server.Server.serveToHttpAt

Task Description

If multiple ProjectsRenderer are created and each used by a dedicated thread, then these ProjectsRenderers still have problems with each other's thread.

The basis for the webserver thread safety was created here.

Tasks

• [ ] First complete this ticket.
• [ ] Multithreaded webserver sometimes has random errors, when optimization problems are submitted via the editors.
  • [ ] The Whole XML class needs to be removed, as it is not thread safe.
  • [ ] Try improving the multithreaded webserver by trying an experimental handler fix for the multipart-bodies of forms: Use end handler and body handler by nesting these.
  • [ ] Only expect multipart, if the request is not read yet: if (!routingContext.request().isEnded()) { routingContext.request().setExpectMultipart(true);}. See Multipart Exception.

Multipart Exception

19:43:16.303 [vert.x-eventloop-thread-0] DEBUG io.vertx.ext.web.RoutingContext -- RoutingContext failure (500)
java.lang.IllegalStateException: Request has already been read
	at io.vertx.core.http.impl.Http1xServerRequest.checkEnded(Http1xServerRequest.java:671)
	at io.vertx.core.http.impl.Http1xServerRequest.setExpectMultipart(Http1xServerRequest.java:477)
	at io.vertx.core.http.impl.HttpServerRequestWrapper.setExpectMultipart(HttpServerRequestWrapper.java:254)
	at net.splitcells.website.server.Server$2$2.lambda$start$6(Server.java:177)
	at io.vertx.ext.web.impl.BlockingHandlerDecorator.lambda$handle$0(BlockingHandlerDecorator.java:48)
	at io.vertx.core.impl.ContextBase.lambda$null$0(ContextBase.java:137)
	at io.vertx.core.impl.ContextInternal.dispatch(ContextInternal.java:264)
	at io.vertx.core.impl.ContextBase.lambda$executeBlocking$1(ContextBase.java:135)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.base/java.lang.Thread.run(Thread.java:1583)
```