Hans Schneider created WICKET-6454:
--------------------------------------
Summary: WicketApplication behind a proxy with restrictive
internet access can not initialized
Key: WICKET-6454
URL: https://issues.apache.org/jira/browse/WICKET-6454
Project: Wicket
Issue Type: Improvement
Components: wicket
Affects Versions: 7.6.0
Environment: WicketApplication behind a proxy with restrictive
internet access
Reporter: Hans Schneider
I have a Application with a Wicket frontend developed and on my developer
workstation with internet access starts the application successul. In a
production server with restricte internet access the application can not start
because the following exception.
{code}
ERROR org.apache.wicket.util.file.WebXmlFile getFilterPath Error reading
servlet/filter path from web.xml
java.net.UnknownHostException: java.sun.com
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
~[na:1.7.0_79]
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
~[na:1.7.0_79]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
~[na:1.7.0_79]
at java.net.Socket.connect(Socket.java:579) ~[na:1.7.0_79]
at java.net.Socket.connect(Socket.java:528) ~[na:1.7.0_79]
at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[na:na]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) ~[na:na]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) ~[na:na]
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) ~[na:na]
at sun.net.www.http.HttpClient.New(HttpClient.java:308) ~[na:na]
at sun.net.www.http.HttpClient.New(HttpClient.java:326) ~[na:na]
at
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:997)
~[na:na]
at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:933)
~[na:na]
at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:851)
~[na:na]
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1301)
~[na:na]
at
org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:986)
~[na:na]
at
org.apache.xerces.impl.XMLEntityManager.startEntity(XMLEntityManager.java:897)
~[na:na]
at
org.apache.xerces.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:864)
~[na:na]
at
org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:241)
~[na:na]
at
org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(XMLDocumentScannerImpl.java:1001)
~[na:na]
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:324)
~[na:na]
at
org.apache.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:845)
~[na:na]
at
org.apache.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:768)
~[na:na]
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:108)
~[na:na]
at org.apache.xerces.parsers.DOMParser.parse(DOMParser.java:230)
~[na:na]
at
org.apache.xerces.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:285)
~[na:na]
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
~[na:1.7.0_79]
at
org.apache.wicket.util.file.WebXmlFile.getFilterPath(WebXmlFile.java:206)
[wicket-util-7.6.0.jar:7.6.0]
at
org.apache.wicket.util.file.WebXmlFile.getFilterPath(WebXmlFile.java:88)
[wicket-util-7.6.0.jar:7.6.0]
at
org.apache.wicket.util.file.WebXmlFile.getUniqueFilterPath(WebXmlFile.java:67)
[wicket-util-7.6.0.jar:7.6.0]
{code}
Would not it be a good idea if there was a possibility in the future to disable
the validation of the XML?
I have found a link on how the improvement could be implemented in the Class
org.apache.wicket.util.file.WebXmlFile and Method
{code}
public final Set<String> getFilterPath(final boolean isServlet, final String
filterName,
final InputStream is) throws ParserConfigurationException,
SAXException, IOException
{code}
https://stackoverflow.com/questions/4002885/unknown-host-exception-while-parsing-an-xml-file
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