Hi, thank you for the helpful hints, now my WAR compiles.
However when I launch it by:
1) First running once on Win 10 / Java 11:
java -jar jetty-home-10.0.6\start.jar jetty.home=jetty-home-10.0.6
jetty.base=jetty.base
--add-module=http,servlet,webapp,deploy,resources,websocket
2) Then running
@SET JETTY_HOME=%~dp0\jetty-home-10.0.6
@SET JETTY_BASE=%~dp0\jetty.base
java -Djdbc.drivers=org.postgresql.Driver -jar %JETTY_HOME%\start.jar
jetty.home=%JETTY_HOME% jetty.base=%JETTY_BASE%
Then Jetty 10 starts fine initially:
2021-09-03 17:59:51.475:INFO :oejsh.ContextHandler:main: Started
o.e.j.w.WebAppContext@42a9e5d1
{/en,file:///C:/Users/U299FAV/src/slova/webapp/target/words-4.0/,AVAILABLE}{C:\Users\U299FAV\src\slova\jetty.base/../webapp/target/words-4.0.war}
2021-09-03 17:59:51.485:INFO :oejsh.ContextHandler:main: Started
o.e.j.s.h.ContextHandler@2c1b9e4b{/,null,AVAILABLE}
2021-09-03 17:59:51.507:INFO :oejs.AbstractConnector:main: Started
ServerConnector@7e027a05{HTTP/1.1, (http/1.1)}{0.0.0.0:8080}
2021-09-03 17:59:51.518:INFO :oejs.Server:main: Started
Server@624ea235{STARTING}[10.0.6,sto=5000]
@4326ms
But when I try accessing the following path (I put the XML file under
jetty.base\webapps):
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN"
"http://www.eclipse.org/jetty/configure_9_0.dtd";>
<Configure class="org.eclipse.jetty.webapp.WebAppContext">
<Set name="contextPath">/ru</Set>
<Set name="war"><SystemProperty
name="jetty.base"/>/../webapp/target/words-4.0.war</Set>
</Configure>
Then Jetty 10 reports the error:
2021-09-03 18:00:00.583:WARN :oejshC.ru:qtp1072410641-16: unavailable
java.lang.RuntimeException: java.lang.NoSuchMethodException:
de.afarber.WordsListener.<init>()
at
org.eclipse.jetty.websocket.server.JettyWebSocketServlet$CustomizedWebSocketServletFactory.register(JettyWebSocketServlet.java:218)
at de.afarber.WordsServlet.configure(WordsServlet.java:646)
at
org.eclipse.jetty.websocket.server.JettyWebSocketServlet.init(JettyWebSocketServlet.java:168)
at de.afarber.WordsServlet.init(WordsServlet.java:652)
at javax.servlet.GenericServlet.init(GenericServlet.java:180)
at
org.eclipse.jetty.servlet.ServletHolder$Wrapper.init(ServletHolder.java:1305)
at
org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:633)
at
org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:486)
at
org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:731)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:580)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1372)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1294)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:192)
at
org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:51)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
at org.eclipse.jetty.server.Server.handle(Server.java:562)
at
org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:406)
at
org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:663)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:398)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:319)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
at
org.eclipse.jetty.io.SocketChannelEndPoint$1.run(SocketChannelEndPoint.java:101)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:894)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1038)
at java.base/java.lang.Thread.run(Thread.java:834)
My WordsListener.java looks like:
import org.eclipse.jetty.util.ajax.JSON;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.WebSocketListener;
import org.eclipse.jetty.websocket.api.WriteCallback;
public class WordsListener implements WebSocketListener {
public WordsListener(WordsInterface servlet, String databaseUrl) {
mServlet = servlet;
mDatabaseUrl = databaseUrl;
}
@Override
public void onWebSocketConnect(Session session) {
mSession = session;
InetSocketAddress address = (InetSocketAddress)
session.getRemoteAddress();
// use getHostString(), because it does not perform DNS resolving
mAddress = address.getHostString() + ":" + address.getPort();
LOG.info("onWebSocketConnect: address={} session={}", mAddress,
mSession);
}
@Override
public void onWebSocketClose(int statusCode, String reason) {
LOG.info("onWebSocketClose: mUid={} address={} statusCode={}
reason={}", mUid, mAddress, statusCode, reason);
remove(false);
}
}
And in my servlet I have:
import org.eclipse.jetty.websocket.api.WriteCallback;
import org.eclipse.jetty.websocket.server.JettyWebSocketServlet;
import org.eclipse.jetty.websocket.server.JettyWebSocketServletFactory;
public class WordsServlet extends JettyWebSocketServlet {
@Override
public void configure(JettyWebSocketServletFactory factory) {
mLanguage = System.getenv("COUNTRY");
mBundle = ResourceBundle.getBundle("strings",
LOCALES.get(mLanguage));
factory.setIdleTimeout(Duration.ofSeconds(IDLE_TIMEOUT_SECONDS));
factory.setMaxBinaryMessageSize(0);
factory.setMaxTextMessageSize(64 * 1024);
factory.register(WordsListener.class);
factory.setCreator(new WordsCreator(this,
mBundle.getString(STR_DATABASE_URL)));
}
@Override
public void init() throws ServletException {
super.init();
try {
Class.forName("org.postgresql.Driver");
} catch (ClassNotFoundException ex) {
throw new ServletException(ex);
}
}
And my WordsCreator.java
import org.eclipse.jetty.websocket.server.JettyServerUpgradeRequest;
import org.eclipse.jetty.websocket.server.JettyServerUpgradeResponse;
import org.eclipse.jetty.websocket.server.JettyWebSocketCreator;
public class WordsCreator implements JettyWebSocketCreator {
private final WordsInterface mServlet;
private final String mDatabaseUrl;
public WordsCreator(WordsInterface servlet, String databaseUrl) {
mServlet = servlet;
mDatabaseUrl = databaseUrl;
}
@Override
public Object createWebSocket(JettyServerUpgradeRequest req,
JettyServerUpgradeResponse resp) {
return new WordsListener(mServlet, mDatabaseUrl);
}
}
Please help me :-)
Regards
Alex
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