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Posted to jaxme-dev@ws.apache.org by "Jochen Wiedmann (JIRA)" <ja...@ws.apache.org> on 2006/01/06 00:03:20 UTC

[jira] Geschlossen: (JAXME-79) NullPointerException when generating classes from DTD

     [ http://issues.apache.org/jira/browse/JAXME-79?page=all ]
     
Jochen Wiedmann closed JAXME-79:
--------------------------------

    Resolution: Fixed
     Assign To: Jochen Wiedmann

Fixed in the 0.5 branch and in HEAD.

Unfortunately, you will nevertheless be unhappy: First of all, you need an attribute like

    package="org.apache.jakarta.tapestry.dtd"

in your build.xml's xjc task. However, the more important problem is that your schema is using nested groups with multiplicity > 1. See JAXME-61 for details.


> NullPointerException when generating classes from DTD
> -----------------------------------------------------
>
>          Key: JAXME-79
>          URL: http://issues.apache.org/jira/browse/JAXME-79
>      Project: JaxMe
>         Type: Bug
>   Components: JaxMe Core
>     Versions: 0.5
>     Reporter: Hugo Palma
>     Assignee: Jochen Wiedmann
>  Attachments: Tapestry_4_0.dtd
>
> I'm using the xjc ant task to generate the java classes for a DTD file but i'm getting this error when running the task:
> C:\java\projectos\TapestryPlugin\src\main\dtd\Tapestry_4_0.dtd: java.lang.NullPointerException
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1031)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> 	at org.apache.tools.ant.Task.perform(Task.java:364)
> 	at org.apache.tools.ant.Target.execute(Target.java:341)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:668)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:187)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> 	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:585)
> 	at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:17)
> Caused by: java.lang.NullPointerException
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createAttribute(DTDParser.java:617)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createElement(DTDParser.java:737)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:761)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:779)
> 	at org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader.parse(JAXBSchemaReader.java:129)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:125)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:154)
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1004)
> 	... 17 more
> --- Nested Exception ---
> java.lang.NullPointerException
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createAttribute(DTDParser.java:617)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createElement(DTDParser.java:737)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:761)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:779)
> 	at org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader.parse(JAXBSchemaReader.java:129)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:125)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:154)
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1004)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> 	at org.apache.tools.ant.Task.perform(Task.java:364)
> 	at org.apache.tools.ant.Target.execute(Target.java:341)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:668)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:187)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> 	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:585)
> 	at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:17)
> C:\java\projectos\TapestryPlugin\jaxme.xml:14: C:\java\projectos\TapestryPlugin\src\main\dtd\Tapestry_4_0.dtd: java.lang.NullPointerException
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1031)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> 	at org.apache.tools.ant.Task.perform(Task.java:364)
> 	at org.apache.tools.ant.Target.execute(Target.java:341)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:668)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:187)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> 	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:585)
> 	at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:17)
> Caused by: java.lang.NullPointerException
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createAttribute(DTDParser.java:617)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createElement(DTDParser.java:737)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:761)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:779)
> 	at org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader.parse(JAXBSchemaReader.java:129)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:125)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:154)
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1004)
> 	... 17 more
> --- Nested Exception ---
> java.lang.NullPointerException
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createAttribute(DTDParser.java:617)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createElement(DTDParser.java:737)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:761)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:779)
> 	at org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader.parse(JAXBSchemaReader.java:129)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:125)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:154)
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1004)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> 	at org.apache.tools.ant.Task.perform(Task.java:364)
> 	at org.apache.tools.ant.Target.execute(Target.java:341)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:668)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:187)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> 	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:585)
> 	at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:17)
> C:\java\projectos\TapestryPlugin\jaxme.xml:14: C:\java\projectos\TapestryPlugin\src\main\dtd\Tapestry_4_0.dtd: java.lang.NullPointerException
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1031)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> 	at org.apache.tools.ant.Task.perform(Task.java:364)
> 	at org.apache.tools.ant.Target.execute(Target.java:341)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:668)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:187)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> 	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:585)
> 	at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:17)
> Caused by: java.lang.NullPointerException
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createAttribute(DTDParser.java:617)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createElement(DTDParser.java:737)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:761)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:779)
> 	at org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader.parse(JAXBSchemaReader.java:129)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:125)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:154)
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1004)
> 	... 17 more
> --- Nested Exception ---
> java.lang.NullPointerException
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createAttribute(DTDParser.java:617)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.createElement(DTDParser.java:737)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:761)
> 	at org.apache.ws.jaxme.xs.util.DTDParser.parse(DTDParser.java:779)
> 	at org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader.parse(JAXBSchemaReader.java:129)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:125)
> 	at org.apache.ws.jaxme.generator.impl.GeneratorImpl.generate(GeneratorImpl.java:154)
> 	at org.apache.ws.jaxme.generator.XJCTask.execute(XJCTask.java:1004)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> 	at org.apache.tools.ant.Task.perform(Task.java:364)
> 	at org.apache.tools.ant.Target.execute(Target.java:341)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:668)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:187)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> 	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:585)
> 	at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:17)
> I've configured the ant task like this:
> <target name="generate.java">
>         <xjc schema="src/main/dtd/Tapestry_4_0.dtd" target="${output.dir}">
>             <dtd/>
>         </xjc>
> </target>
> I'm attaching the DTD file.
> Thanks.

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