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Regarding web.xml

 
Viswa
Greenhorn
Posts: 16
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Hi,
I'm trying to create a custom tag. tld file and taglib java file both are fine. there is no prob.
If i try to start the server(tomcat 4.X.X), it shows exception. This error related to Header the header is,

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">

<web-app>
<display-name>Welcome to Tomcat</display-name>
<description>
Welcome to Tomcat
</description>

.
.
.
</web-app>
the exception is,

ContextConfig[/OBA] Parse error in application web.xml
java.net.UnknownHostException: java.sun.com
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:143)
at java.net.Socket.connect(Socket.java:425)
at java.net.Socket.connect(Socket.java:375)
at sun.net.NetworkClient.doConnect(NetworkClient.java:139)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:366)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:582)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:292)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:253)
at sun.net.www.http.HttpClient.New(HttpClient.java:321)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:301)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConne
ction.java:463)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection
.java:454)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLCon
nection.java:556)
at java.net.URL.openStream(URL.java:955)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown So
urce)
at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(Unknown Source
)
at org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(Unknown Sourc
e)
at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(
Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Un
known Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at org.apache.catalina.startup.ContextConfig.applicationConfig(ContextCo
nfig.java:282)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:63
9)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfi
g.java:243)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:166)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3
587)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase
.java:821)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:80
7)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)

at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDe
ployer.java:700)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.jav
a:252)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source
)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(
Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent
Dispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Un
known Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDep
loyer.java:385)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:819)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.j
ava:442)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:399
)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java
:358)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:166)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)

at org.apache.catalina.core.StandardHost.start(StandardHost.java:754)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:363
)
at org.apache.catalina.core.StandardService.start(StandardService.java:4
97)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:219
0)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)

ContextConfig[/OBA]: Pipline Configuration:
ContextConfig[/OBA]: org.apache.catalina.core.StandardContextValve/1.0
ContextConfig[/OBA]: ======================
ContextConfig[/OBA]: Marking this application unavailable due to previous error(
s)

Thanks in advance.

Viswa
 
Nathaniel Stoddard
Ranch Hand
Posts: 1258
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Are you still having this problem? It looks like the parser may have croaked when it couldn't download the DTD for the XML file. Maybe it was just a temporary DNS black-hole.
 
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