[Yanel-dev] System property org.xml.sax.driver not specified

[Michael Wechner]

Hi

I have just noted that Yanel throws the following exception for certain 
requests.

2438794 2008-01-28 01:57:52,581 [http-9290-Processor22] ERROR 
org.wyona.yanel.impl.resources.BasicXMLResource.getXMLView():283  - 
org.xml.sax.SAXException: System property org.xml.sax.driver not 
specified (/, Name: Yanel Website, ID: yanel-website, Mount-Point: 
/yanel-website/, Reverse Proxy Host Name: yanel.wyona.org, Reverse Proxy 
Port is set to default 80 (resp. -1), Reverse Proxy SSL Port is set to 
default 443 (resp. -1), Reverse Proxy Prefix: /ulysses/yanel-website)
org.xml.sax.SAXException: System property org.xml.sax.driver not specified
        at 
org.xml.sax.helpers.XMLReaderFactory.createXMLReader(XMLReaderFactory.java:90)
        at 
org.wyona.yanel.impl.resources.BasicXMLResource.getXMLView(BasicXMLResource.java:227)
        at 
org.wyona.yanel.impl.resources.XMLResource.getView(XMLResource.java:108)
        at 
org.wyona.yanel.impl.resources.XMLResource.getView(XMLResource.java:98)
        at 
org.wyona.yanel.servlet.YanelServlet.getContent(YanelServlet.java:470)
        at org.wyona.yanel.servlet.YanelServlet.doGet(YanelServlet.java:268)
        at 
org.wyona.yanel.servlet.YanelServlet.service(YanelServlet.java:212)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)        
at 
org.wyona.yanel.servlet.communication.YanelFilter.doFilter(YanelFilter.java:41)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)        
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:141)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
        at 
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
        at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:534)
2438796 2008-01-28 01:57:52,583 [http-9290-Processor22] ERROR 
org.wyona.yanel.servlet.YanelServlet.getContent():579  - 
org.xml.sax.SAXException: System property org.xml.sax.driver not specified
java.lang.Exception: org.xml.sax.SAXException: System property 
org.xml.sax.driver not specified
        at 
org.wyona.yanel.impl.resources.BasicXMLResource.getXMLView(BasicXMLResource.java:284)
        at 
org.wyona.yanel.impl.resources.XMLResource.getView(XMLResource.java:108)
        at 
org.wyona.yanel.impl.resources.XMLResource.getView(XMLResource.java:98)
        at 
org.wyona.yanel.servlet.YanelServlet.getContent(YanelServlet.java:470)
        at org.wyona.yanel.servlet.YanelServlet.doGet(YanelServlet.java:268)
        at 
org.wyona.yanel.servlet.YanelServlet.service(YanelServlet.java:212)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)        
at 
org.wyona.yanel.servlet.communication.YanelFilter.doFilter(YanelFilter.java:41)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)        
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:141)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
        at 
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
        at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:534)
Caused by: org.xml.sax.SAXException: System property org.xml.sax.driver 
not specified
        at 
org.xml.sax.helpers.XMLReaderFactory.createXMLReader(XMLReaderFactory.java:90)
        at 
org.wyona.yanel.impl.resources.BasicXMLResource.getXMLView(BasicXMLResource.java:227)
        ... 35 more


Any idea what might be actually causing this. Has this anything to do 
with the recent changes within the BasicXMLResource?

Thanks

Michi

-- 
Michael Wechner
Wyona      -   Open Source Content Management - Yanel, Yulup
http://www.wyona.com
michael.wechner at wyona.com, michi at apache.org
+41 44 272 91 61