Hi there! I am new in the ML and also a new maven user.. I've hope anybody
here will kindly help me with a problem is letting me get crazy... :)
I will try to briefly describe it here:
I have a modular project in which, for every single module, I use
jaxb2-maven-plugin to compile XSD files with xjc. Now, suppose the modules
are compiled in the order A-->B. For A everything works fine (i.e. I get the
*XsdImpl.java), but for B I get the following:
/[INFO]
------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:jaxb2-maven-plugin:1.2:xjc
(model) on project B: DTD factory class
org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from
DTDDVFactory. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
goal org.codehaus.mojo:jaxb2-maven-plugin:1.2:xjc (model) on project B: DTD
factory class org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend
from DTDDVFactory
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
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:597)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException: DTD factory class
org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from
DTDDVFactory.
at org.codehaus.mojo.jaxb2.XjcMojo.execute(XjcMojo.java:352)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 19 more
Caused by: org.apache.xerces.impl.dv.DVFactoryException: DTD factory class
org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from
DTDDVFactory.
at org.apache.xerces.impl.dv.DTDDVFactory.getInstance(Unknown
Source)
at org.apache.xerces.impl.dv.DTDDVFactory.getInstance(Unknown
Source)
at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.<init>(Unknown
Source)
at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.<init>(Unknown
Source)
at org.apache.xerces.impl.xs.traversers.XSDHandler.<init>(Unknown
Source)
at org.apache.xerces.impl.xs.traversers.XSDHandler.<init>(Unknown
Source)
at org.apache.xerces.impl.xs.XMLSchemaLoader.<init>(Unknown Source)
at org.apache.xerces.impl.xs.XMLSchemaLoader.<init>(Unknown Source)
at org.apache.xerces.impl.xs.XMLSchemaValidator.<init>(Unknown
Source)
at
org.apache.xerces.jaxp.validation.XMLSchemaValidatorComponentManager.<init>(Unknown
Source)
at
org.apache.xerces.jaxp.validation.ValidatorHandlerImpl.<init>(Unknown
Source)
at
org.apache.xerces.jaxp.validation.AbstractXMLSchema.newValidatorHandler(Unknown
Source)
at com.sun.tools.xjc.SchemaCache.newValidator(SchemaCache.java:47)
at
com.sun.tools.xjc.reader.xmlschema.bindinfo.AnnotationParserFactoryImpl$1$1.startElement(AnnotationParserFactoryImpl.java:136)
at
com.sun.xml.xsom.impl.parser.state.NGCCRuntime.startElement(NGCCRuntime.java:214)
at
org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:527)
at
com.sun.tools.xjc.reader.ExtensionBindingChecker.startElement(ExtensionBindingChecker.java:271)
at
org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:527)
at
com.sun.tools.xjc.reader.xmlschema.parser.IncorrectNamespaceURIChecker.startElement(IncorrectNamespaceURIChecker.java:97)
at
org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:527)
at
com.sun.tools.xjc.reader.xmlschema.parser.CustomizationContextChecker.startElement(CustomizationContextChecker.java:172)
at
org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:527)
at
com.sun.tools.xjc.ModelLoader$SpeculationChecker.startElement(ModelLoader.java:427)
at
org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:527)
at
com.sun.tools.xjc.reader.internalizer.VersionChecker.startElement(VersionChecker.java:78)
at
org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:527)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
Source)
at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
Source)
at org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:333)
at com.sun.xml.xsom.parser.JAXPParser.parse(JAXPParser.java:79)
at com.sun.tools.xjc.ModelLoader$2.parse(ModelLoader.java:451)
at
com.sun.tools.xjc.ModelLoader$XMLSchemaParser.parse(ModelLoader.java:237)
at
com.sun.xml.xsom.impl.parser.NGCCRuntimeEx.parseEntity(NGCCRuntimeEx.java:298)
at
com.sun.xml.xsom.impl.parser.ParserContext.parse(ParserContext.java:87)
at com.sun.xml.xsom.parser.XSOMParser.parse(XSOMParser.java:147)
at
com.sun.tools.xjc.ModelLoader.createXSOMSpeculative(ModelLoader.java:468)
at com.sun.tools.xjc.ModelLoader.loadXMLSchema(ModelLoader.java:338)
at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:145)
at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:91)
at com.sun.tools.xjc.Driver.run(Driver.java:287)
at org.codehaus.mojo.jaxb2.XjcMojo.execute(XjcMojo.java:301)
... 21 more
[ERROR]
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
/
Both the modules use the same configuration for the plugin. In each of their
poms there is something like this:
/<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jaxb2-maven-plugin</artifactId>
<executions>
<execution>
<id>model</id>
<goals>
<goal>xjc</goal>
</goals>
<configuration>
<extension>true</extension>
<clearOutputDir>false</clearOutputDir>
<bindingDirectory>${basedir}/src/main/resources/xsd</bindingDirectory>
<outputDirectory>${basedir}/src/main/generated</outputDirectory>
<schemaDirectory>${basedir}/src/main/generated/xsd</schemaDirectory>
<schemaFiles>base.xsd</schemaFiles>
<staleFile>${project.build.directory}/generated-sources/jaxb/.staleFlag-model</staleFile>
</configuration>
</execution>
</executions>
</plugin>
/
The error comes always for the second module (it doesn't matter whether A or
B). I've spent a lot of time trying to figure out what happens behind the
scenes but unfortunately without success... For example, I would like to
understand what happens upon the first execution here:
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
Source)
--->>> at org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:333)
I would guess another class is used instead of
org.apache.xerces.jaxp.SAXParserImpl, but somehow
org.apache.xerces.jaxp.SAXParserImpl is selected the 2nd time.. Do you know
how could I proof this? Or did anybody experience the same issue already?
Thanks in advance a lot for any hint/help! Bye
--
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