Problem building with ant

Hi all,
For some reason i get the following error message when trying to build any of the code in the j2ee tutorial.
C:\WINDOWS\system32\ntvdm.exe
Error while setting up environment for the application. Choose 'close' to terminate the application
If anyone has any ideas as to why this happens, any help would be much appreciated.
thanks

i'm using windows xp pro. i have actually sorted that problem out by replacing ant 1.3 with ant 1.5
I now have another error message. When i try to run the application client with the foolowing command:
C:\forte4j\j2sdkee1.3\bin>runclient client \examples\ears\SavingsAccountApp.ear -name SavingsAccountClient -textauth
I get the following
Initiating login ...
Username = null
Enter Username:guest
Enter Password:guest123
Binding name:`java:comp/env/ejb/SimpleSavingsAccount`
Application threw an exception:java.lang.NoClassDefFoundError: SavingsAccountHome
Unbinding name:`java:comp/env/ejb/SimpleSavingsAccount`
Not sure why i am getting the exception.

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J2EE Tutorial: Exception when building with ant

I am trying to build the converter example on page 48 of the J2EE tutorial using ant. Ant seems to choke on the following line from the build.xml:
<property environment="myenv" />
The output of the "ant converter" command is:
Buildfile: build.xml
init:
BUILD FAILED
/usr/j2sdkee1.3/j2eetutorial/examples/src/build.xml:18: /usr/j2sdkee1.3/j2eetutorial/examples/src/build.xml:18: java.lang.StringIndexOutOfBoundsException: String index out of range: -1
--- Nested Exception ---
/usr/j2sdkee1.3/j2eetutorial/examples/src/build.xml:18: java.lang.StringIndexOutOfBoundsException: String index out of range: -1
--- Nested Exception ---
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.lang.String.substring(String.java:1525)
at org.apache.tools.ant.taskdefs.Property.loadEnvironment(Property.java:248)
at org.apache.tools.ant.taskdefs.Property.execute(Property.java:172)
at org.apache.tools.ant.Target.execute(Target.java:153)
at org.apache.tools.ant.Project.runTarget(Project.java:898)
at org.apache.tools.ant.Project.executeTarget(Project.java:536)
at org.apache.tools.ant.Project.executeTargets(Project.java:510)
at org.apache.tools.ant.Main.runBuild(Main.java:421)
at org.apache.tools.ant.Main.main(Main.java:149)
Total time: 1 second
My best guess is that the "myenv" line in the build.xml requires some additional attribute. I'm using ant version 1.3. My OS is Solaris (noted for possible environment-related issues).
Thanks in advance!
Eric Smith

On Windows XP Pro, the line
<property environment="myenv" />
in the init target of build.xml for the j2ee tutorial examples triggers a windows error message:
16 bit MS-DOS Subsystem
=======================
C:\WINDOWS\system32\ntvdm.exe
Error while setting up environment for the application. Choose 'Close' to terminate the application.
<<Close>> <<Ignore>>
So it looks as if ant is trying and failing to access the winnt system environment here.
According to Ant Developers Handbook (Sams, October 2002, chapter 4, p. 151), the ant environment property "specifies a prefix, giving access to OS-specific environment variables. This is not supported on all platforms." Until this problem is fixed, it appears that on XP systems anyway, any ant settings in build.xml files that rely on direct access to the system environment will fail. Here is some debug output from the j2ee tutorial examples init target which demonstrates this:
C:\apps\j2sdkee1.3.1\j2eetutorial\examples>ant init
Buildfile: build.xml
init:
[echo] starting init target
[echo] reached marker 1
[echo] reached marker 2
[echo] value of J2EE_HOME is ${myenv.J2EE_HOME}
[echo] finished init target
BUILD SUCCESSFUL
where the task:
<property environment="myenv" />
(which generates the OS error popup noted above) occurs between marker 1 and marker 2. Clearly the value of J2EE_HOME is NOT being successfully read from the system environment here.

Build with ant in a new way

Hello everyone,
I'm not sure if the title is proper, but I have a project to upgrade to weblogic 10, along with the upgrade I'm going to enhance the build files. Currently we have 450 ant file. There are many dependencies and all build files have hardcoded paths such "c:\sourcecode ...". Our application is about 6000000 lOC. Anyway, my job is to replace these paths with properties and change some old ant tasks.
You now imagine what I'm going to go through. Obviously, I need to edit 450 (can build tool for that) and do check in and out. Then test to make sure I didn't missed up with the dependency.
I'm no expert in ANT but we did some evaluation to ANT, Maven, Jam and we found ANT is the best fit for our environment because we have some structuring issues.
While working I have got this idea, however I'm not sure if it's the best, so I hope you can help here and give me your advice.
I will create a utilityBuild.xml. This ant file will contain the entire tasks we perform in all the 450. Rest of 450 ant will perform call to this utilityBuild.xml whenever it needs to do something e.g .
{color:#008000}{color}
<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="appc"/>
Note: UTILITYBUILD = utilityBuild.xml
UtilityBuild.xml has this task as
{color:#008000}{color}
<target name="appc" depends="jar.ejb" >
<java classname="weblogic.appc" fork="yes">
<sysproperty key="weblogic.home" value="${WL_HOME}"/>
<arg line="-compiler javac ${appdir}/${jarfile}"/>
<classpath>
<pathelement path="$classpath"/>
</classpath>
</java>
</target>
The {color:#ff0000}*benefit*{color} of doing this is {color:#ff0000}*if we decide to use wlcompile and wlappc instead of the above we only need to change one place utilityBuild.xml*{color} . I understand that I can make a custom ant task instead of relying on the properties that's passed when calling the child ant task.
{color:#0000ff}*For complete Source file* {color}
UtilityBuild.xml
<project name="SIMIS" basedir=".">

<property environment="env"/>
<property file="gosi.properties"/>
<target name="maketempdir" description="Create ${tempdir} directory">
<echo message="#### S T A R T B U I L D I N G ####"/>
<echo message="Started on ${TODAY} at ${TSTAMP}"/>
<mkdir dir="${tempdir}"/>
<mkdir dir="${tempdir}/META-INF"/>
<copy todir="${tempdir}/META-INF">
<fileset dir="${xmldir}">
<include name="*.xml"/>
</fileset>
</copy>
</target>

<target name="cleantemp" description="Deletes ${build.dir}/** and ${dist.dir}/**." >
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${clientclasses}" includes="**/*EJB.class"/>
<fileset dir="${tempdir}" includes="**/*"/>
</delete>
<delete dir="${tempdir}"/>
<echo message="#### E N D B U I L D I N G ####"/>
</target>

<target name="appc" depends="jar.ejb" >
<java classname="weblogic.appc" fork="yes">
<sysproperty key="weblogic.home" value="${WL_HOME}"/>
<arg line="-compiler javac ${appdir}/${jarfile}"/>
<classpath>
<pathelement path="$classpath"/>
</classpath>
</java>
</target>
<target name="jar.ejb" >
<jar jarfile="${appdir}/${jarfile}"
basedir="${tempdir}" update="yes">
</jar>
</target>
<target name="javac">
<javac srcdir="${sourcedir}" destdir="${destinationdir}" includes="${include}" excludes="${exclude}" classpath="${classpath}" />
</target>
<target name="copy" description="copy contents to directory">
<copy todir="${todir}">
<fileset dir="${fromdir}">
<include name="${include}"/>
<exnclude name="${exclude}"/>
</fileset>
</copy>
</target>
<target name="clean" description="clean contents of directory">
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${cleandir}" includes="${include}" excludes="${exclude}"/>
</delete>
</target>
<target name="delete" description="delete entire directory">
<delete dir="${deletedir}"/>
</target>

<target name="deploy"
description="Deploy ear to WebLogic on ${wls.hostname}:${wls.port}.">
<wldeploy
user="${wls.username}"
password="${wls.password}"
adminurl="t3://${wls.hostname}:${wls.port}"
debug="true"
action="deploy"
source="${appdir}/${jarfile}"
failonerror="${failondeploy}"/>
</target>
</project>
CMN_Core_Session.xml (one of the 450 files)
<project name="default" default="build">

<property file="../gosi.properties"/>
<property name="srcdir" value="${SOURCE_CODE}/gosi/core"/>
<property name="xmldir" value="${SOURCE_CODE}/gosi/core/projects/session"/>
<property name="jarfile" value="CMN_Session.jar"/>

<target name="build" description="Builds components.">

<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="maketempdir"/>

<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="javac">
<property name="sourcedir" value="${srcdir}"/>
<property name="destinationdir" value="${clientclasses}"/>
<property name="include" value="**/*Session.java,**/*SessionHome.java"/>
<property name="exclude" value="**/*MaintainDateChangeSession.java,**/*MaintainDateChangeSessionEJB.java,**/*MaintainDateChangeSessionHome.java,**/*MaintainHolidaysSession.java,**/*MaintainHolidaysSessionEJB.java,**/*MaintainHolidaysSessionHome.java,**/*StartupUtilitySession.java,**/*StartupUtilitySessionEJB.java,**/*StartupUtilitySessionHome.java,**/UserSession.java"/>
</ant>

<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="javac">
<property name="sourcedir" value="${srcdir}"/>
<property name="destinationdir" value="${tempdir}"/>
<property name="include" value="**/*Session.java,**/*SessionHome.java,**/*SessionEJB.java"/>
<property name="exclude" value="**/*MaintainDateChangeSession.java,**/*MaintainDateChangeSessionEJB.java,**/*MaintainDateChangeSessionHome.java,**/*MaintainHolidaysSession.java,**/*MaintainHolidaysSessionEJB.java,**/*MaintainHolidaysSessionHome.java,**/*StartupUtilitySession.java,**/*StartupUtilitySessionEJB.java,**/*StartupUtilitySessionHome.java,**/UserSession.java"/>
</ant>

<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="appc"/>

<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="cleantemp"/>
</ant>
</target>

<target name="deploy" description="Deploy the components">
<ant inheritAll="true" dir="${ROOT}" antfile="${UTILITYBUILD}" target="deploy"/>
</ant>
</target>
</project>
gosiProperties file
### Build Files Properties File ###
-- Configure the global properties for the ant build files
-- You may need to change this section to match your machine
BEA_HOME=C:/bea
SIMIS_DOMAIN=${BEA_HOME}/gosiprojects/server/simis
WL_HOME=${BEA_HOME}/wlserver_10.0/server
JAVA_HOME=${BEA_HOME}/jdk150_06
SOURCE_CODE=C:/sourcecode
ROOT=${SOURCE_CODE}/build_files
UTILITYBUILD=UtilityBuild.xml
-- Here we set the JARs directory and server and client classes
appdir=${SIMIS_DOMAIN}/applications
tempdir=${SIMIS_DOMAIN}/classes
clientclasses=${SIMIS_DOMAIN}/clientclasses
serverclasses=${SIMIS_DOMAIN}/serverclasses
web-inf=${appdir}/GOSI/WEB-INF/classes
startup=${appdir}/StartUp/WEB-INF/classes
-- Set the ClassPath for the ant tool
classpath=${JAVA_HOME}/lib/tools.jar;${WL_HOME}/lib/weblogic.jar;${WL_HOME};${SIMIS_DOMAIN}/APP-INF/lib/CMN_DMS_WS_RequestClient.jar;
Thanks and regards
Edited by: Nawaf on Mar 9, 2008 8:18 AM

Any idea, I'm looking for your opinion, what do you think of the above

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Hi,
I try to build my application using Ant. Here is the fragment
from build.xml:
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