NullPointerException during export or validate of toplink map file

Question

Hi,
I'm working on an Oracle/Toplink 10.1.3 project (similar to say SR Demo). I'm trying to write ant scripts
to build and deploy everything.
All is working except for one step. When you build the model in JDeveloper, it creates a data map XML file. E.g. in the
SR DEmo it produces SRMap.xml from SRMap.mwp.
There is a good document explaining the steps here...
http://www.oracle.com/technology/products/ias/toplink/doc/1013/main/_html/mw008.htm
When I implemented these steps in the build.xml file, I get a NullPointerException during the validate or export.
I tried implementing the steps in SR DEmo's build.xml file and seem to get the same problem. Here's what I'm doing...
I created a new file, toplink-ant-lib.xml
<?xml version="1.0"?>
<antlib>
<taskdef name="mappings.export" classname="oracle.toplink.workbench.ant.taskdefs.ExportDeploymentXMLTask"/>
<taskdef name="mappings.validate" classname="oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask"/>
<taskdef name="session.validate" classname="oracle.toplink.workbench.ant.taskdefs.SessionValidateTask"/>
<typedef name="ignoreerror" classname="oracle.toplink.workbench.ant.typedefs.IgnoreError"/>
<typedef name="ignoreerrorset" classname="oracle.toplink.workbench.ant.typedefs.IgnoreErrorSet"/>
<typedef name="loginspec" classname="oracle.toplink.workbench.ant.typedefs.LoginSpec"/>
</antlib>
I then added the following targets to build.xml in the SR Demo...
<target name="init">
<property file="build.properties"/>
<property name = "toplink.mwp.dir" value = "${srdemo.home}/DataModel/toplink/SRMap"/>
<property name = "toplink.sessions.dir" value = "${srdemo.home}/DataModel/src/META-INF"/>
<path id = "database.classpath">
<pathelement path = "${toplink.home}/jlib/dms.jar"/>
<pathelement path = "${toplink.home}/jlib/OracleThinJDBC.jar"/>
</path>
<path id = "toplink.classpath">
<pathelement path = "${toplink.home}/jlib/toplink.jar"/>
<pathelement path = "${j2ee.lib}/ejb.jar"/>
<pathelement path = "${jdeveloper.home}/lib/xmlparserv2.jar"/>
<pathelement path = "${toplink.home}/jlib/antlr.jar"/>
</path>
<path id = "mw.classpath">
<pathelement path = "${toplink.home}/jlib/tlmwcore.jar"/>
<pathelement path = "${toplink.home}/jlib/toplinkmw.jar"/>
</path>
<path id = "mwplatforms.classpath">
<pathelement path = "${toplink.home}/config"/>
</path>
<typedef file = "toplink-ant-lib.xml"
classpathref = "mw.classpath"
uri = "toplinklib" />
</target>
<!-- ===================================================== -->
<!-- Define task parameter -->
<!-- ===================================================== -->
<target name="parameter.definition" depends="init">
<toplink:ignoreerrorset id = "ignoreErrors">
<toplink:ignoreerror code = "0233" />
</toplink:ignoreerrorset>
<toplink:loginspec id = "loginSpec"
url = "jdbc:cloudscape:stagedb;create=true"
driverclass = "COM.cloudscape.core.JDBCDriver"
user = "scott"
password="tiger" />
</target>
<!-- ==================================================== -->
<!-- Validate the MW Project -->
<!-- ===================================================== -->
<target name="validate.project" depends="parameter.definition">
<toplink:mappings.validate
projectfile = "${toplink.mwp.dir}/SRMap.mwp"
reportfile = "${toplink.mwp.dir}/problem-report.html"
reportformat = "html"
property = "mw-valid"
classpathref = "mwplatforms.classpath" >
<toplink:classpath refid = "mw.classpath" />
<toplink:classpath refid = "toplink.classpath" />
<toplink:ignoreerrorset refid = "ignoreErrors"/>
</toplink:mappings.validate>
</target>
I've left out the actual export target as the validate seems to throw the same exception. Here's what I get when I switch on verbose
[toplink:mappings.validate] An error occured while validating project: java.lang
.NullPointerException
BUILD FAILED
C:\apps\JDeveloper\jdev\samples\SRDemoSample\BuildAndDeploy\build.xml:147: An er
ror occured while validating project: java.lang.NullPointerException
at oracle.toplink.workbench.ant.taskdefs.ProjectTask.execute(ProjectTask
.java:69)
at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
ppingsValidateTask.java:51)
at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
ppingsValidateTask.java:36)
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.executeTarget(Project.java:1214)
at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
at org.apache.tools.ant.Main.runBuild(Main.java:673)
at org.apache.tools.ant.Main.startAnt(Main.java:188)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
Caused by: An error occured while validating project: java.lang.NullPointerExcep
tion
at oracle.toplink.workbench.ant.ProjectValidator.execute(ProjectValidato
r.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.execute(
ProjectTask.java:214)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.access$1
00(ProjectTask.java:154)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask.execute(ProjectTask
.java:65)
... 12 more
Caused by: java.lang.NullPointerException
at oracle.toplink.workbench.mappingsmodel.mapping.relational.MWCollectio
nMapping.legacy50PostPostProjectBuild(MWCollectionMapping.java:517)
at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjec
tBuild(MWModel.java:503)
at oracle.toplink.workbench.mappingsmodel.descriptor.MWMappingDescriptor
.legacy50PostPostProjectBuild(MWMappingDescriptor.java:1081)
at oracle.toplink.workbench.mappingsmodel.descriptor.relational.MWTableD
escriptor.legacy50PostPostProjectBuild(MWTableDescriptor.java:1376)
at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjec
tBuild(MWModel.java:503)
at oracle.toplink.workbench.mappingsmodel.project.MWProject.legacy50Post
ProjectBuild(MWProject.java:1337)
at oracle.toplink.workbench.mappingsio.ProjectReader.readLegacyProject(P
rojectReader.java:246)
at oracle.toplink.workbench.mappingsio.ProjectReader.read(ProjectReader.
java:102)
at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOMa
nager.java:59)
at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOMa
nager.java:55)
at oracle.toplink.workbench.ant.ProjectValidator.execute(ProjectValidato
r.java:40)
... 19 more
--- Nested Exception ---
An error occured while validating project: java.lang.NullPointerException
at oracle.toplink.workbench.ant.ProjectValidator.execute(ProjectValidato
r.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.execute(
ProjectTask.java:214)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.access$1
00(ProjectTask.java:154)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask.execute(ProjectTask
.java:65)
at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
ppingsValidateTask.java:51)
at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
ppingsValidateTask.java:36)
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.executeTarget(Project.java:1214)
at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
at org.apache.tools.ant.Main.runBuild(Main.java:673)
at org.apache.tools.ant.Main.startAnt(Main.java:188)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
Caused by: java.lang.NullPointerException
at oracle.toplink.workbench.mappingsmodel.mapping.relational.MWCollectio
nMapping.legacy50PostPostProjectBuild(MWCollectionMapping.java:517)
at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjec
tBuild(MWModel.java:503)
at oracle.toplink.workbench.mappingsmodel.descriptor.MWMappingDescriptor
.legacy50PostPostProjectBuild(MWMappingDescriptor.java:1081)
at oracle.toplink.workbench.mappingsmodel.descriptor.relational.MWTableD
escriptor.legacy50PostPostProjectBuild(MWTableDescriptor.java:1376)
at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjec
tBuild(MWModel.java:503)
at oracle.toplink.workbench.mappingsmodel.project.MWProject.legacy50Post
ProjectBuild(MWProject.java:1337)
at oracle.toplink.workbench.mappingsio.ProjectReader.readLegacyProject(P
rojectReader.java:246)
at oracle.toplink.workbench.mappingsio.ProjectReader.read(ProjectReader.
java:102)
at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOMa
nager.java:59)
at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOMa
nager.java:55)
at oracle.toplink.workbench.ant.ProjectValidator.execute(ProjectValidato
r.java:40)
... 19 more
--- Nested Exception ---
java.lang.NullPointerException
at oracle.toplink.workbench.mappingsmodel.mapping.relational.MWCollectio
nMapping.legacy50PostPostProjectBuild(MWCollectionMapping.java:517)
at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjec
tBuild(MWModel.java:503)
at oracle.toplink.workbench.mappingsmodel.descriptor.MWMappingDescriptor
.legacy50PostPostProjectBuild(MWMappingDescriptor.java:1081)
at oracle.toplink.workbench.mappingsmodel.descriptor.relational.MWTableD
escriptor.legacy50PostPostProjectBuild(MWTableDescriptor.java:1376)
at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjec
tBuild(MWModel.java:503)
at oracle.toplink.workbench.mappingsmodel.project.MWProject.legacy50Post
ProjectBuild(MWProject.java:1337)
at oracle.toplink.workbench.mappingsio.ProjectReader.readLegacyProject(P
rojectReader.java:246)
at oracle.toplink.workbench.mappingsio.ProjectReader.read(ProjectReader.
java:102)
at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOMa
nager.java:59)
at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOMa
nager.java:55)
at oracle.toplink.workbench.ant.ProjectValidator.execute(ProjectValidato
r.java:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.execute(
ProjectTask.java:214)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.access$1
00(ProjectTask.java:154)
at oracle.toplink.workbench.ant.taskdefs.ProjectTask.execute(ProjectTask
.java:65)
at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
ppingsValidateTask.java:51)
at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
ppingsValidateTask.java:36)
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.executeTarget(Project.java:1214)
at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
at org.apache.tools.ant.Main.runBuild(Main.java:673)
at org.apache.tools.ant.Main.startAnt(Main.java:188)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
Total time: 6 seconds
C:\apps\JDeveloper\jdev\samples\SRDemoSample\BuildAndDeploy>
The problem seems similar to the one described in the toplink forums here...
NullPointerException while trying to export project in workbench
I tried opening SRMap.mwp in Toplink Workbench, and I get an exception on load...
oracle.toplink.workbench.framework.OpenException: java.lang.NullPointerException
     at oracle.toplink.workbench.mappingsplugin.MappingsPlugin.open(MappingsPlugin.java:290)
     at oracle.toplink.workbench.framework.internal.FrameworkApplication.open(FrameworkApplication.java:687)
     at oracle.toplink.workbench.framework.internal.FrameworkNodeManager.openCallback(FrameworkNodeManager.java:341)
     at oracle.toplink.workbench.framework.internal.RunnableProjectLoader.run2(RunnableProjectLoader.java:76)
     at oracle.toplink.workbench.framework.internal.RunnableProjectLoader.run(RunnableProjectLoader.java:63)
     at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
     at oracle.toplink.workbench.mappingsmodel.mapping.relational.MWCollectionMapping.legacy50PostPostProjectBuild(MWCollectionMapping.java:517)
     at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjectBuild(MWModel.java:503)
     at oracle.toplink.workbench.mappingsmodel.descriptor.MWMappingDescriptor.legacy50PostPostProjectBuild(MWMappingDescriptor.java:1081)
     at oracle.toplink.workbench.mappingsmodel.descriptor.relational.MWTableDescriptor.legacy50PostPostProjectBuild(MWTableDescriptor.java:1376)
     at oracle.toplink.workbench.mappingsmodel.MWModel.legacy50PostPostProjectBuild(MWModel.java:503)
     at oracle.toplink.workbench.mappingsmodel.project.MWProject.legacy50PostProjectBuild(MWProject.java:1337)
     at oracle.toplink.workbench.mappingsio.ProjectReader.readLegacyProject(ProjectReader.java:246)
     at oracle.toplink.workbench.mappingsio.ProjectReader.read(ProjectReader.java:102)
     at oracle.toplink.workbench.mappingsio.ProjectIOManager.read(ProjectIOManager.java:59)
     at oracle.toplink.workbench.mappingsplugin.MappingsPlugin.open(MappingsPlugin.java:286)
     ... 5 more
That's using Toplink Workbench 10g Release 3 (10.1.3.0.0)
I'm using 10.1.3 JDeveloper with the latest (SU3) patch.
Any ideas would be apprecated!!!
Kind regards,
Ciaran.

Answer 1

Hi Karen,
Thanks for the response.
So are you saying we cannot build/deploy our project outside of the JDeveloper IDE?
What we were trying to do is to automate the build and deployment using ant scripts. Then we could run say nightly checkout/build/deploy script to a test machine as part of a continious integration process.
We can build all the code and even remote deploy it fine using ant, however we cannot build this data map XML file outside of the JDeveloper environment. I guess a workaround would be to check-in the generated XML file into our source code control. This sounds risky to me and also, our SCC system sets non checked-out files to be read-only and JDeveloper gives an error if it cannot write to that file.
Any ideas?
Cheers,
Ciaran.