Custom undertow filter unable to forward requst
kzivkovic Sep 4, 2018 6:51 AMI configured custom filter in standalone.xml like this (bold lines):
<subsystem xmlns="urn:jboss:domain:undertow:3.1">
<buffer-cache name="default"/>
<server name="default-server">
<http-listener name="default" socket-binding="http" redirect-socket="https" enable-http2="true"/>
<https-listener name="https" socket-binding="https" security-realm="ApplicationRealm" enable-http2="true"/>
<host name="default-host" alias="localhost">
<location name="/" handler="welcome-content"/>
<filter-ref name="server-header"/>
<filter-ref name="x-powered-by-header"/>
<filter-ref name="request-dumper"/>
</host>
</server>
<servlet-container name="default">
<jsp-config/>
<websockets/>
</servlet-container>
<handlers>
<file name="welcome-content" path="${jboss.home.dir}/welcome-content"/>
</handlers>
<filters>
<response-header name="server-header" header-name="Server" header-value="WildFly/10"/>
<response-header name="x-powered-by-header" header-name="X-Powered-By" header-value="Undertow/1"/>
<filter name="request-dumper" class-name="si.mycomp.requestDumpingHandler.DfsRequestDumpingHandler" module="si.telekom.requestDumpingHandler">
<param name="timeLimit" value="0.1"/>
</filter>
</filters>
</subsystem>
In custom httphandler I want just to dump request to server.log and than forward request further like this:
I created custom module for this.
Here is excerpt from class:
package si.mycomp.requestDumpingHandler;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.stream.Collectors;
import io.undertow.UndertowLogger;
import io.undertow.server.ExchangeCompletionListener;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
public class DfsRequestDumpingHandler implements HttpHandler {
private static final UndertowLogger log = UndertowLogger.REQUEST_LOGGER;
private HttpHandler next;
private String param1;
private String timeLimit;
float responseTimeLimit;
String requestStr;
public DfsRequestDumpingHandler(HttpHandler next) {
this.next = next;
}
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
//ServletRequestContext context = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
//HttpServletRequest request = (HttpServletRequest) context.getServletRequest();
exchange.startBlocking();
if (exchange.isInIoThread()) {
exchange.dispatch(this);
return;
}
InputStream inputStream = exchange.getInputStream();
// inputStream.mark(2);
final String reqString = toString(inputStream).trim();
inputStream.mark(0);
PostExchangeListener mylistener = new PostExchangeListener(reqString, exchange.getRequestStartTime());
next.handleRequest(exchange);
}
...
I am getting this error if module is enabled, it seems there is problem inside: next.handleRequest(exchange); line - what could be wrong?
12:28:01,195 SEVERE [com.sun.xml.ws.transport.http.HttpAdapter] (default task-1) Couldn't create SOAP message due to exception: XML reader error: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]: com.sun.xml.ws.protocol.soap.MessageCreationException: Couldn't create SOAP message due to exception: XML reader error: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]
at com.sun.xml.ws.encoding.SOAPBindingCodec.decode(SOAPBindingCodec.java:365)
at com.sun.xml.ws.transport.http.HttpAdapter.decodePacket(HttpAdapter.java:277)
at com.sun.xml.ws.transport.http.HttpAdapter.access$500(HttpAdapter.java:93)
at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:457)
at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:244)
at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:135)
at com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doGet(WSServletDelegate.java:129)
at com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doPost(WSServletDelegate.java:160)
at com.sun.xml.ws.transport.http.servlet.WSServlet.doPost(WSServlet.java:75)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
at io.undertow.servlet.handlers.ServletInitialHandler.handleRequest(ServletInitialHandler.java:197)
at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:39)
at io.undertow.server.handlers.HttpContinueReadHandler.handleRequest(HttpContinueReadHandler.java:65)
at io.undertow.server.handlers.PathHandler.handleRequest(PathHandler.java:94)
at org.wildfly.extension.undertow.Host$OptionsHandler.handleRequest(Host.java:295)
at io.undertow.server.handlers.HttpContinueReadHandler.handleRequest(HttpContinueReadHandler.java:65)
at si.mycomp.requestDumpingHandler.DfsRequestDumpingHandler.handleRequest(DfsRequestDumpingHandler.java:48)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:805)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.sun.xml.ws.streaming.XMLStreamReaderException: XML reader error: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]
at com.sun.xml.ws.streaming.XMLStreamReaderUtil.wrapException(XMLStreamReaderUtil.java:267)
at com.sun.xml.ws.streaming.XMLStreamReaderUtil.next(XMLStreamReaderUtil.java:95)
at com.sun.xml.ws.streaming.XMLStreamReaderUtil.nextContent(XMLStreamReaderUtil.java:110)
at com.sun.xml.ws.streaming.XMLStreamReaderUtil.nextElementContent(XMLStreamReaderUtil.java:100)
at com.sun.xml.ws.encoding.StreamSOAPCodec.decode(StreamSOAPCodec.java:175)
at com.sun.xml.ws.encoding.StreamSOAPCodec.decode(StreamSOAPCodec.java:303)
at com.sun.xml.ws.encoding.StreamSOAPCodec.decode(StreamSOAPCodec.java:129)
at com.sun.xml.ws.encoding.SOAPBindingCodec.decode(SOAPBindingCodec.java:360)
... 52 more
Caused by: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]
at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:661)
at com.ctc.wstx.sr.BasicStreamReader.handleEOF(BasicStreamReader.java:2134)
at com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2040)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069)
at com.sun.xml.ws.util.xml.XMLStreamReaderFilter.next(XMLStreamReaderFilter.java:92)
at com.sun.xml.ws.streaming.XMLStreamReaderUtil.next(XMLStreamReaderUtil.java:76)
... 58 more