Re: java.net.MalformedURLException from XMLVersionDetector.determineDocVersion?

[Michael Glavassevich]

Hello Jon,

From the error message it looks like the parser is being passed a org.xml.sax.InputSource with all null fields. That would explain the failure.

Jon Wilmoth <[EMAIL PROTECTED]> wrote on 07/21/2004 07:18:04 PM:

> I'm having problems parsing an xml config doc of an
> open source scheduling tool (Quartz).  The document
> (below)is well formed and valid. I'm able to
> successfully validate it using and xml editor (Stylus
> Studio) and with Xerces in a stand-alone command line
> parsing utility.  However, when the document is parsed
> during server startup (Tomcat v5.0.25) I get the
> following exception:
>
> Jul-21-2004 4:04:12:720 PM, PDT [INFO ]
> (org.quartz.xml.JobSchedulingDataProcessor:?) --
> Parsing XML file:
> webapps/chronos/web-inf/ScheduledJobs.xml with
> systemId: null validating: true validating schema:
> file:/C:/dev/java/jakarta/tomcat-5.0.
> 25/work/Catalina/localhost/chronos/loader/org/quartz/xml/job_scheduling_data_1_1.
> xsd
> Jul-21-2004 4:04:12:740 PM, PDT [ERROR]
> (org.quartz.plugins.xml.JobInitializationPlugin:?) --
> Error scheduling jobs: null
> java.net.MalformedURLException
>    at java.net.URL.<init>(URL.java:571)
>    at java.net.URL.<init>(URL.java:434)
>    at java.net.URL.<init>(URL.java:383)
>    at
> org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown
> Source)
>    at
> org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown
> Source)
>    at
> org.apache.xerces.parsers.XML11Configuration.parse(Unknown
> Source)
>    at
> org.apache.xerces.parsers.XML11Configuration.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.quartz.xml.JobSchedulingDataProcessor.
> processFile(JobSchedulingDataProcessor.java:369)
>    at
> org.quartz.xml.JobSchedulingDataProcessor.
> processFileAndScheduleJobs(JobSchedulingDataProcessor.java:394)
>    at
> org.quartz.plugins.xml.JobInitializationPlugin.
> processFile(JobInitializationPlugin.java:347)
>    at
> org.quartz.plugins.xml.JobInitializationPlugin.
> start(JobInitializationPlugin.java:317)
>    at
> org.quartz.core.QuartzScheduler.startPlugins(QuartzScheduler.java:1800)
>    at
> org.quartz.core.QuartzScheduler.start(QuartzScheduler.java:367)
>    at
> org.quartz.impl.StdScheduler.start(StdScheduler.java:149)
>    at
> org.quartz.ee.servlet.QuartzInitializerServlet.
> init(QuartzInitializerServlet.java:126)
>    at
> org.apache.catalina.core.StandardWrapper.
> loadServlet(StandardWrapper.java:1019)
>    at
> org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:862)
>    at
> org.apache.catalina.core.StandardContext.
> loadOnStartup(StandardContext.java:3991)
>    at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4335)
>    at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
>    at
> org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
>    at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
>    at
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
>    at
> org.apache.catalina.core.StandardService.start(StandardService.java:476)
>    at
> org.apache.catalina.core.StandardServer.start(StandardServer.java:2298)
>    at
> org.apache.catalina.startup.Catalina.start(Catalina.java:556)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at
> sun.reflect.DelegatingMethodAccessorImpl.
> invoke(DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:324)
>    at
> org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:284)
>    at
> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:422)
>  
>
>
> What is the root cause for this failure?  What is it
> that Xerces is trying to do that it can't?
>
>
> <?xml version="1.0" encoding="utf-8"?>
> <!DOCTYPE quartz SYSTEM
> "file:///apex/projects/internal/timeentry/extlib/job_scheduling_data_1_0.dtd">
> <quartz>
>  <job>
>   <job-detail>
>    <name>ExpireRoleAssignmentsJob</name>
>    <group>authorization</group>
>  
> <job-class>com.apex.chronos.app.authorization.
> ExpireRoleAssignmentsJob</job-class>
>    <volatility>true</volatility>
>    <durability>false</durability>
>    <recover>false</recover>
>   </job-detail>
>   <trigger>
>    <cron>
>     <name>ExpireRolesCronTrigger</name>
>     <group>authorization-triggers</group>
>     <job-name>ExpireRoleAssignmentsJob</job-name>
>     <job-group>authorization</job-group>
>     <!-- Every day at 11:55pm -->
>     <cron-_expression_>0 55 23 ? * *</cron-_expression_>
>     <time-zone>America/Los_Angeles</time-zone>
>    </cron>
>   </trigger>
>  </job>
> </quartz>
>
>
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Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: [EMAIL PROTECTED]
E-mail: [EMAIL PROTECTED]