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Hi,
I get /javax.xml.parsers.FactoryConfigurationError: Provider
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl could
not be instantiated: java.lang.NullPointerException/ when I call an Ant
script from maven using maven-antrun-plugin. I have tried using fork =
true as well as false, but same result. Maven version is 2.0.7 and JDK
version is 1.5.0_06. I don't understand why Ant is not finding this
class, which is actually present in jre/lib/rt.jar. I get the following
output while running with -X option:
[INFO] [antrun:run {execution: default}]
[INFO] Executing tasks
[DEBUG] getProperty(ns=null, name=ant.reuse.loader, user=false)
[DEBUG] getProperty(ns=null, name=ant.executor.class, user=false)
[DEBUG] getProperty(ns=null, name=ant.file, user=false)
test:
[echo] Generating Java classes from SDO Types
5 INFO [main] openjpa.MetaData - Parsing XML Schema "META-INF/po.xsd"
[java] javax.xml.parsers.FactoryConfigurationError: Provider
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl could
not be instantiated: java.lang.NullPointerException
[java] at
javax.xml.parsers.DocumentBuilderFactory.newInstance(DocumentBuilderFactory.java:104)
[java] at
org.eclipse.xsd.util.DefaultJAXPConfiguration.createDocumentBuilder(DefaultJAXPConfiguration.java:94)
[java] at
org.eclipse.xsd.util.XSDResourceImpl.getDocument(XSDResourceImpl.java:334)
[java] at
org.eclipse.xsd.util.XSDResourceImpl.getDocument(XSDResourceImpl.java:372)
[java] at
org.eclipse.xsd.util.XSDResourceImpl.doLoad(XSDResourceImpl.java:680)
[java] at
org.eclipse.xsd.util.XSDResourceImpl.load(XSDResourceImpl.java:617)
[java] at
org.apache.tuscany.sdo.helper.XSDHelperImpl.define(XSDHelperImpl.java:197)
[java] at
org.apache.tuscany.sdo.helper.XSDHelperImpl.define(XSDHelperImpl.java:188)
[java] at
org.apache.openjpa.sdo.SDO2POJOGenerator.findTypes(SDO2POJOGenerator.java:126)
[java] at
org.apache.openjpa.sdo.SDO2POJOGenerator.run(SDO2POJOGenerator.java:246)
[java] at
org.apache.openjpa.sdo.SDO2POJOGenerator.main(SDO2POJOGenerator.java:282)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
[java] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[java] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:585)
[java] at
org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:202)
[java] at
org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:134)
[java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:710)
[java] at
org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:178)
[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:84)
[java] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
[java] at org.apache.tools.ant.Task.perform(Task.java:364)
[java] at org.apache.tools.ant.Target.execute(Target.java:341)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:369)
[java] at
org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
[java] at
org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:37)
[java] at
org.apache.tools.ant.Project.executeTargets(Project.java:1068)
[java] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:382)
[java] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
[java] at org.apache.tools.ant.Task.perform(Task.java:364)
[java] at org.apache.tools.ant.Target.execute(Target.java:341)
[java] at
org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks(AbstractAntMojo.java:108)
[java] at
org.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:83)
[java] at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
[java] at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
[java] at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
[java] at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
[java] at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
[java] at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
[java] at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
[java] at
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
[java] at
org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
[java] at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
[java] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[java] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:585)
[java] at
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
[java] at
org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
[java] at
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
[java] at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Thanks,
Sahoo
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