If this ant script works (it does):
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
<!-- Making envirmoment variables available through env -->
<property environment="env" />
<!-- Define all properties for use in this ANT build file -->
<property name="name.project" value="csmFrontEnd" />
<property name="path.source" value="src/java" />
<property name="path.target" value="target" />
<property name="path.classes" value="target/classes" />
<property name="path.maven_repo" value="${env.HOME}/.maven/
repository" />
<property name="build.compiler" value="javac1.4" />
<property name="name.dbschema" value="${path.target}/schema/$
{name.project}.schema.sql" />
<!-- Define the classpath for use in this Ant build file -->
<path id="classpath">
<pathelement path="${path.classes}" />
<pathelement location="${path.maven_repo}/hibernate/jars/
hibernate-2.1.8.jar" />
<pathelement location="${path.maven_repo}/dom4j/jars/
dom4j-1.6.jar" />
<pathelement location="${path.maven_repo}/commons-logging/jars/
commons-logging-1.0.4.jar" />
<pathelement location="${path.maven_repo}/commons-collections/
jars/commons-collections-2.1.1.jar" />
<pathelement location="${path.maven_repo}/ppw-libraries/jars/ppw-
persistence-II-1.2.0-3.1.jar" />
<pathelement location="${path.maven_repo}/ppw-libraries/jars/ppw-
bean-V-1.0.0-1.0.jar" />
<pathelement location="${path.maven_repo}/ppw-libraries/jars/ppw-
exception-I-1.0.0-2.0.jar" />
</path>
<target name="hibernate.ddl" description="Hibernate hbm2ddl schema
generation">
<echo message="Using selected libraries from Maven repository: $
{path.maven_repo}" />
<property name="cp" refid="classpath"/>
<echo message="Classpath: ${cp}"/>
<echo message="Source: ${path.source}" />
<taskdef name="schemaexport"
classname="net.sf.hibernate.tool.hbm2ddl.SchemaExportTask"
classpathref="classpath" />
<mkdir dir="${path.target}/schema" />
<schemaexport config="${path.source}/hibernate.cfg.xml"
quiet="no"
text="yes"
drop="no"
delimiter=";"
output="${name.dbschema}">
</schemaexport>
</target>
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
Why then does this maven script fail with a NullPointerException? Any
ideas?
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
<goal name="hbm2ddl:prepare-filesystem"
description="Create the directory structure needed for SQL
database schema (DDL) generation from Hibernate .hbm files">
<u:available file="${maven.hbm2ddl.config.path}">
<mkdir dir="${maven.hbm2ddl.build.dest}" />
</u:available>
</goal>
<goal name="hbm2ddl:copy-hibernate-files">
<!-- copy all xml files for inclusion in war -->
<u:available file="${maven.hbm2ddl.config.path}">
<echo message="Copying Hibernate files to ${maven.build.dest}" />
<copy todir="${maven.build.dest}">
<fileset dir="${maven.src.dir}/java">
<include name="**/hibernate.cfg.xml" />
<include name="**/*.hbm.xml" />
</fileset>
</copy>
</u:available>
</goal>
<!-- Schema generation -->
<goal name="hbm2ddl:generate"
description="Generate SQL database schema (DDL) from
Hibernate .hbm files"
prereqs="java:compile,hbm2ddl:copy-hibernate-
files,hbm2ddl:prepare-filesystem">
<echo>Generate SQL database schema (DDL) from Hibernate .hbm
files</echo>
<echo>Hibernate config file: ${maven.hbm2ddl.config.path}</echo>
<echo>Destination file: ${maven.hbm2ddl.dbschema.path}</echo>
<u:available file="${maven.hbm2ddl.config.path}">
<ant:taskdef name="schemaexport"
classname="net.sf.hibernate.tool.hbm2ddl.SchemaExportTask">
<classpath>
<pathelement path="${maven.build.dest}"/>
<path refid="maven.dependency.classpath"/>
</classpath>
</ant:taskdef>
<echo>Task defined</echo>
<ant:schemaexport config="${maven.hbm2ddl.config.path}"
quiet="no"
text="yes"
drop="no"
delimiter=";"
output="${maven.hbm2ddl.dbschema.path}">
</ant:schemaexport>
</u:available>
</goal>
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
[EMAIL PROTECTED]:csmFrontEnd>maven hbm2ddl:generate
__ __
| \/ |__ _Apache__ ___
| |\/| / _` \ V / -_) ' \ ~ intelligent projects ~
|_| |_\__,_|\_/\___|_||_| v. 1.0.2
build:start:
java:prepare-filesystem:
java:compile:
[echo] Compiling to /Volumes/Users/jand/Documents/eclipse/
workspace/csmFrontEnd/target/classes
hbm2ddl:copy-hibernate-files:
[echo] Copying Hibernate files to /Volumes/Users/jand/Documents/
eclipse/workspace/csmFrontEnd/target/classes
hbm2ddl:prepare-filesystem:
hbm2ddl:generate:
[echo] Generate SQL database schema (DDL) from Hibernate .hbm files
[echo] Hibernate config file: /Volumes/Users/jand/Documents/
eclipse/workspace/csmFrontEnd/src/java/hibernate.cfg.xml
[echo] Destination file: /Volumes/Users/jand/Documents/eclipse/
workspace/csmFrontEnd/target/schema/csmFrontEnd.schema.sql
[echo] Task defined
BUILD FAILED
File...... /Volumes/Users/jand/Documents/eclipse/workspace/ppw-
project-settings/maven.xml
Element... ant:schemaexport
Line...... 308
Column.... 65
java.lang.NullPointerException
Total time: 7 seconds
Finished at: Fri May 12 17:06:02 CEST 2006
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
Position 308/65 is the closing '>' of the schemaexport tag.
The root cause exception:
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
java.lang.NullPointerException
at net.sf.hibernate.cfg.Configuration.addResource
(Configuration.java:333)
at net.sf.hibernate.cfg.Configuration.doConfigure
(Configuration.java:1027)
at net.sf.hibernate.cfg.Configuration.doConfigure
(Configuration.java:983)
at net.sf.hibernate.cfg.Configuration.configure
(Configuration.java:945)
at
net.sf.hibernate.tool.hbm2ddl.SchemaExportTask.getConfiguration
(SchemaExportTask.java:186)
at net.sf.hibernate.tool.hbm2ddl.SchemaExportTask.execute
(SchemaExportTask.java:135)
at org.apache.tools.ant.Task.perform(Task.java:341)
at org.apache.commons.jelly.tags.ant.AntTag.doTag
(AntTag.java:185)
at org.apache.commons.jelly.impl.TagScript.run
(TagScript.java:279)
at org.apache.commons.jelly.impl.ScriptBlock.run
(ScriptBlock.java:135)
at org.apache.commons.jelly.TagSupport.invokeBody
(TagSupport.java:233)
at org.apache.commons.jelly.tags.util.AvailableTag.doTag
(AvailableTag.java:110)
at org.apache.commons.jelly.impl.TagScript.run
(TagScript.java:279)
at org.apache.commons.jelly.impl.ScriptBlock.run
(ScriptBlock.java:135)
at org.apache.maven.jelly.tags.werkz.MavenGoalTag.runBodyTag
(MavenGoalTag.java:79)
at org.apache.maven.jelly.tags.werkz.MavenGoalTag
$MavenGoalAction.performAction(MavenGoalTag.java:110)
at com.werken.werkz.Goal.fire(Goal.java:639)
at com.werken.werkz.Goal.attain(Goal.java:575)
at org.apache.maven.plugin.PluginManager.attainGoals
(PluginManager.java:671)
at org.apache.maven.MavenSession.attainGoals
(MavenSession.java:263)
at org.apache.maven.cli.App.doMain(App.java:488)
at org.apache.maven.cli.App.main(App.java:1239)
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.werken.forehead.Forehead.run(Forehead.java:551)
at com.werken.forehead.Forehead.main(Forehead.java:581)
=++++++++++++++++++++++++++++++++++++++++++++++++++++=
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