Jetty Error: I' starting my web aap and all of sudden Getting this Error

Question

I'm using Ant build tool. Do you any any idea How to resolve this issue looks like it is not working because of this website: https://eclipse.dev/jetty/configure_10_0.dtd Error message:

2024-02-14 13:56:53.815:INFO:oejs.Server:main: jetty-9.4.43.v20210629; built: 2021-08-10T13:32:34.286Z; git: unknown; jvm 17+35-2724 2024-02-14 13:56:56.912:WARN:oejw.WebAppContext:main: Failed startup of context o.e.j.w.WebAppContext@276438c9{/deploymentcenter,file:///D:/workdir/devunits/2312_Sept_Basleline/src/deploymentcenter/webapp/com.dc.webapp/src/main/WebContent/,STOPPED}{D:\workdir\devunits\2312_Sept_Basleline\src\deploymentcenter\webapp\com.dc.webapp\src\main\WebContent} java.io.IOException: Server returned HTTP response code: 503 for URL: https://eclipse.dev/jetty/configure_10_0.dtd at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1997) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1589) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:677) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(XMLEntityManager.java:1399) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:1365) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:257) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1152) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:1040) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:943) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:542) at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:889) at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:825) at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1224) at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:637) at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:326) at org.eclipse.jetty.xml.XmlParser.parse(XmlParser.java:244) at org.eclipse.jetty.webapp.Descriptor.parse(Descriptor.java:53) at org.eclipse.jetty.webapp.WebDescriptor.parse(WebDescriptor.java:213) at org.eclipse.jetty.webapp.MetaData.setDefaults(MetaData.java:167) at org.eclipse.jetty.webapp.WebXmlConfiguration.preConfigure(WebXmlConfiguration.java:48) at org.eclipse.jetty.webapp.WebAppContext.preConfigure(WebAppContext.java:488) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:523) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169) at org.eclipse.jetty.server.Server.start(Server.java:423) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97) at org.eclipse.jetty.server.Server.doStart(Server.java:387) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73) at net.sourceforge.eclipsejetty.starter.jetty9.Jetty9Adapter.start(Jetty9Adapter.java:68) at net.sourceforge.eclipsejetty.starter.common.AbstractJettyLauncherMain.launch(AbstractJettyLauncherMain.java:84) at net.sourceforge.eclipsejetty.starter.jetty9.Jetty9LauncherMain.main(Jetty9LauncherMain.java:42) 2024-02-14 13:56:56.957:INFO:oejs.AbstractConnector:main: Started ServerConnector@6895a785{HTTP/1.1, (http/1.1)}{0.0.0.0:9092

I went to this website and looks like it is not running: https://eclipse.dev/jetty/configure_10_0.dtd

Answer 1

Jetty 9.4.43.v20210629 is at End of Community Support and is a version that is vulnerable.

You have a configuration that is using a DTD at the XML System ID of https://eclipse.dev/jetty/configure_10_0.dtd which means two things.

1. You have a configuration for Jetty 10 (or newer)
2. You have a configuration using the new eclipse.dev hostname (this is a new hostname from 2023)

To address this, you must upgrade your version of Jetty.

The current supported version of Jetty is Jetty 12, and its ee8 environment can be used to run webapps that still use the javax.servlet namespace.