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Posted to dev@ode.apache.org by Jiang Liu <S3...@student.rmit.edu.au> on 2007/01/20 10:46:37 UTC
urgent Install Ode problem
Hi all, please help me that how to finish ode's install.
I followed the described instruction, but there is a compile error:
............//omit here
[INFO] Building ODE :: Tools / Shell Scripts
[INFO] task-segment: [package]
[INFO] -------------------------------------------------------------------------
---
[INFO] [antrun:run {execution: default}]
[INFO] Executing tasks
stage_executables:
[copy] Copying 4 files to C:\Documents and Settings\Jiang Liu\ode\trunk\too
ls-bin\target\stage\bin
stage_doc:
[copy] Copying 1 file to C:\Documents and Settings\Jiang Liu\ode\trunk\tool
s-bin\target\stage\doc
stage:
tarball:
[tar] Building tar: C:\Documents and Settings\Jiang Liu\ode\trunk\tools-bi
n\target\tarball.tar
[INFO] Executed tasks
[INFO] [site:attach-descriptor]
[INFO] [build-helper:attach-artifact {execution: attach-artifacts}]
[INFO] -------------------------------------------------------------------------
---
[INFO] Building ODE :: Java Concurrent Objects (JACOB) Annotation Processor
[INFO] task-segment: [package]
[INFO] -------------------------------------------------------------------------
---
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] [compiler:compile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] Resource directory does not exist: C:\Documents and Settings\Jiang Liu\od
e\trunk\jacob-ap\src\test\resources
[INFO] [compiler:testCompile]
[INFO] Not compiling test sources
[INFO] [surefire:test]
[INFO] Tests are skipped.
[INFO] [jar:jar]
[INFO] Building jar: C:\Documents and Settings\Jiang Liu\ode\trunk\jacob-ap\targ
et\ode-jacob-ap-2.0-SNAPSHOT.jar
[INFO] -------------------------------------------------------------------------
---
[INFO] Building ODE :: Java Concurrent Objects (JACOB)
[INFO] task-segment: [package]
[INFO] -------------------------------------------------------------------------
---
Downloading: http://people.apache.org/repo/m2-snapshot-repository/org/apache/myf
aces/tobago/maven-apt-plugin/1.0.9/maven-apt-plugin-1.0.9.pom
-----------------------------------------------------
this realm = app0.child-container[org.apache.myfaces.tobago:maven-apt-plugin]
urls[0] = file:/C:/Documents and Settings/Jiang Liu/.m2/repository/org/apache/my
faces/tobago/maven-apt-plugin/1.0.9/maven-apt-plugin-1.0.9.jar
Number of imports: 0
this realm = plexus.core.maven
urls[0] = file:/C:/maven-2.0.4/bin/../lib/commons-cli-1.0.jar
urls[1] = file:/C:/maven-2.0.4/bin/../lib/doxia-sink-api-1.0-alpha-7.jar
urls[2] = file:/C:/maven-2.0.4/bin/../lib/jsch-0.1.24.jar
urls[3] = file:/C:/maven-2.0.4/bin/../lib/maven-artifact-2.0.4.jar
urls[4] = file:/C:/maven-2.0.4/bin/../lib/maven-artifact-manager-2.0.4.jar
urls[5] = file:/C:/maven-2.0.4/bin/../lib/maven-core-2.0.4.jar
urls[6] = file:/C:/maven-2.0.4/bin/../lib/maven-error-diagnostics-2.0.4.jar
urls[7] = file:/C:/maven-2.0.4/bin/../lib/maven-model-2.0.4.jar
urls[8] = file:/C:/maven-2.0.4/bin/../lib/maven-monitor-2.0.4.jar
urls[9] = file:/C:/maven-2.0.4/bin/../lib/maven-plugin-api-2.0.4.jar
urls[10] = file:/C:/maven-2.0.4/bin/../lib/maven-plugin-descriptor-2.0.4.jar
urls[11] = file:/C:/maven-2.0.4/bin/../lib/maven-plugin-parameter-documenter-2.0
.4.jar
urls[12] = file:/C:/maven-2.0.4/bin/../lib/maven-plugin-registry-2.0.4.jar
urls[13] = file:/C:/maven-2.0.4/bin/../lib/maven-profile-2.0.4.jar
urls[14] = file:/C:/maven-2.0.4/bin/../lib/maven-project-2.0.4.jar
urls[15] = file:/C:/maven-2.0.4/bin/../lib/maven-reporting-api-2.0.4.jar
urls[16] = file:/C:/maven-2.0.4/bin/../lib/maven-repository-metadata-2.0.4.jar
urls[17] = file:/C:/maven-2.0.4/bin/../lib/maven-settings-2.0.4.jar
urls[18] = file:/C:/maven-2.0.4/bin/../lib/plexus-interactivity-api-1.0-alpha-4.
jar
urls[19] = file:/C:/maven-2.0.4/bin/../lib/wagon-file-1.0-alpha-7.jar
urls[20] = file:/C:/maven-2.0.4/bin/../lib/wagon-http-lightweight-1.0-alpha-6.ja
r
urls[21] = file:/C:/maven-2.0.4/bin/../lib/wagon-provider-api-1.0-alpha-6.jar
urls[22] = file:/C:/maven-2.0.4/bin/../lib/wagon-ssh-1.0-alpha-7.jar
urls[23] = file:/C:/maven-2.0.4/bin/../lib/wagon-ssh-external-1.0-alpha-6.jar
Number of imports: 0
this realm = plexus.core
urls[0] = file:/C:/maven-2.0.4/bin/../core/plexus-container-default-1.0-alpha-9.
jar
urls[1] = file:/C:/maven-2.0.4/bin/../core/plexus-utils-1.1.jar
Number of imports: 0
-----------------------------------------------------
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Internal error in the plugin manager executing goal 'org.apache.myfaces.t
obago:maven-apt-plugin:1.0.9:execute': Unable to find the mojo 'org.apache.myfac
es.tobago:maven-apt-plugin:1.0.9:execute' in the plugin 'org.apache.myfaces.toba
go:maven-apt-plugin'
org/codehaus/plexus/compiler/util/scan/SourceInclusionScanner
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the pl
ugin manager executing goal 'org.apache.myfaces.tobago:maven-apt-plugin:1.0.9:ex
ecute': Unable to find the mojo 'org.apache.myfaces.tobago:maven-apt-plugin:1.0.
9:execute' in the plugin 'org.apache.myfaces.tobago:maven-apt-plugin'
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
ultLifecycleExecutor.java:538)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi
fecycle(DefaultLifecycleExecutor.java:475)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau
ltLifecycleExecutor.java:454)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan
dleFailures(DefaultLifecycleExecutor.java:306)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen
ts(DefaultLifecycleExecutor.java:273)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi
fecycleExecutor.java:140)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
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 org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.plugin.PluginManagerException: Unable to find the mo
jo 'org.apache.myfaces.tobago:maven-apt-plugin:1.0.9:execute' in the plugin 'org
.apache.myfaces.tobago:maven-apt-plugin'
at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(Defaul
tPluginManager.java:533)
at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi
nManager.java:390)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
ultLifecycleExecutor.java:534)
... 16 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupExc
eption: Unable to lookup component 'org.apache.maven.plugin.Mojoorg.apache.myfac
es.tobago:maven-apt-plugin:1.0.9:execute', it could not be created
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContai
ner.java:335)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContai
ner.java:440)
at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(Defaul
tPluginManager.java:524)
... 18 more
Caused by: org.codehaus.plexus.component.factory.ComponentInstantiationException
: Could not instanciate component: role: 'null', implementation: 'org.apache.myf
aces.maven.plugin.AptMojo'
at org.codehaus.plexus.component.factory.java.JavaComponentFactory.makeE
xception(JavaComponentFactory.java:77)
at org.codehaus.plexus.component.factory.java.JavaComponentFactory.newIn
stance(JavaComponentFactory.java:62)
at org.codehaus.plexus.DefaultPlexusContainer.createComponentInstance(De
faultPlexusContainer.java:1464)
at org.codehaus.plexus.component.manager.AbstractComponentManager.create
ComponentInstance(AbstractComponentManager.java:93)
at org.codehaus.plexus.component.manager.PerLookupComponentManager.getCo
mponent(PerLookupComponentManager.java:48)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContai
ner.java:331)
... 20 more
Caused by: java.lang.NoClassDefFoundError: org/codehaus/plexus/compiler/util/sca
n/SourceInclusionScanner
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
at java.lang.Class.getConstructor0(Class.java:2671)
at java.lang.Class.newInstance0(Class.java:321)
at java.lang.Class.newInstance(Class.java:303)
at org.codehaus.plexus.component.factory.java.JavaComponentFactory.newIn
stance(JavaComponentFactory.java:44)
... 24 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 14 seconds
[INFO] Finished at: Sat Jan 20 20:42:33 EST 2007
[INFO] Final Memory: 11M/20M
[INFO] ------------------------------------------------------------------------
where could i find this "mojo 'org.apache.myfac
es.tobago:maven-apt-plugin:1.0.9:execute'" that i could continue the installation?
cheers!!
-----------------------------
Jiang Liu
Student Number: 3075163
CS/Yallara Name: ljiang
Re: urgent Install Ode problem
Posted by Alex Boisvert <bo...@intalio.com>.
Hi Jiang,
My guess is either 1) one of the repository was down, or 2) your connection
was broken during the build.
Can you clean and retry a full build? Sometimes you have to give Maven2 a
second chance, or a third, or ...
alex
On 1/20/07, Jiang Liu <S3...@student.rmit.edu.au> wrote:
>
> Hi all, please help me that how to finish ode's install.
>
> I followed the described instruction, but there is a compile error:
>
> ............//omit here
> [INFO] Building ODE :: Tools / Shell Scripts
> [INFO] task-segment: [package]
> [INFO]
> -------------------------------------------------------------------------
> ---
> [INFO] [antrun:run {execution: default}]
> [INFO] Executing tasks
>
> stage_executables:
> [copy] Copying 4 files to C:\Documents and Settings\Jiang
> Liu\ode\trunk\too
> ls-bin\target\stage\bin
>
> stage_doc:
> [copy] Copying 1 file to C:\Documents and Settings\Jiang
> Liu\ode\trunk\tool
> s-bin\target\stage\doc
>
> stage:
>
> tarball:
> [tar] Building tar: C:\Documents and Settings\Jiang
> Liu\ode\trunk\tools-bi
> n\target\tarball.tar
> [INFO] Executed tasks
> [INFO] [site:attach-descriptor]
> [INFO] [build-helper:attach-artifact {execution: attach-artifacts}]
> [INFO]
> -------------------------------------------------------------------------
> ---
> [INFO] Building ODE :: Java Concurrent Objects (JACOB) Annotation
> Processor
> [INFO] task-segment: [package]
> [INFO]
> -------------------------------------------------------------------------
> ---
> [INFO] [resources:resources]
> [INFO] Using default encoding to copy filtered resources.
> [INFO] Copying 1 resource
> [INFO] [compiler:compile]
> [INFO] Nothing to compile - all classes are up to date
> [INFO] [resources:testResources]
> [INFO] Using default encoding to copy filtered resources.
> [INFO] Resource directory does not exist: C:\Documents and Settings\Jiang
> Liu\od
> e\trunk\jacob-ap\src\test\resources
> [INFO] [compiler:testCompile]
> [INFO] Not compiling test sources
> [INFO] [surefire:test]
> [INFO] Tests are skipped.
> [INFO] [jar:jar]
> [INFO] Building jar: C:\Documents and Settings\Jiang
> Liu\ode\trunk\jacob-ap\targ
> et\ode-jacob-ap-2.0-SNAPSHOT.jar
> [INFO]
> -------------------------------------------------------------------------
> ---
> [INFO] Building ODE :: Java Concurrent Objects (JACOB)
> [INFO] task-segment: [package]
> [INFO]
> -------------------------------------------------------------------------
> ---
> Downloading:
> http://people.apache.org/repo/m2-snapshot-repository/org/apache/myf
> aces/tobago/maven-apt-plugin/1.0.9/maven-apt-plugin-1.0.9.pom
> -----------------------------------------------------
> this realm = app0.child-container[
> org.apache.myfaces.tobago:maven-apt-plugin]
> urls[0] = file:/C:/Documents and Settings/Jiang
> Liu/.m2/repository/org/apache/my
> faces/tobago/maven-apt-plugin/1.0.9/maven-apt-plugin-1.0.9.jar
> Number of imports: 0
>
>
> this realm = plexus.core.maven
> urls[0] = file:/C:/maven-2.0.4/bin/../lib/commons-cli-1.0.jar
> urls[1] = file:/C:/maven-2.0.4/bin/../lib/doxia-sink-api-1.0-alpha-7.jar
> urls[2] = file:/C:/maven-2.0.4/bin/../lib/jsch-0.1.24.jar
> urls[3] = file:/C:/maven-2.0.4/bin/../lib/maven-artifact-2.0.4.jar
> urls[4] = file:/C:/maven-2.0.4/bin/../lib/maven-artifact-manager-2.0.4.jar
> urls[5] = file:/C:/maven-2.0.4/bin/../lib/maven-core-2.0.4.jar
> urls[6] = file:/C:/maven-2.0.4/bin/../lib/maven-
> error-diagnostics-2.0.4.jar
> urls[7] = file:/C:/maven-2.0.4/bin/../lib/maven-model-2.0.4.jar
> urls[8] = file:/C:/maven-2.0.4/bin/../lib/maven-monitor-2.0.4.jar
> urls[9] = file:/C:/maven-2.0.4/bin/../lib/maven-plugin-api-2.0.4.jar
> urls[10] = file:/C:/maven-2.0.4/bin/../lib/maven-
> plugin-descriptor-2.0.4.jar
> urls[11] = file:/C:/maven-2.0.4/bin/../lib/maven-
> plugin-parameter-documenter-2.0
> .4.jar
> urls[12] = file:/C:/maven-2.0.4/bin/../lib/maven-plugin-registry-2.0.4.jar
> urls[13] = file:/C:/maven-2.0.4/bin/../lib/maven-profile-2.0.4.jar
> urls[14] = file:/C:/maven-2.0.4/bin/../lib/maven-project-2.0.4.jar
> urls[15] = file:/C:/maven-2.0.4/bin/../lib/maven-reporting-api-2.0.4.jar
> urls[16] = file:/C:/maven-2.0.4/bin/../lib/maven-
> repository-metadata-2.0.4.jar
> urls[17] = file:/C:/maven-2.0.4/bin/../lib/maven-settings-2.0.4.jar
> urls[18] = file:/C:/maven-2.0.4/bin/../lib/plexus-
> interactivity-api-1.0-alpha-4.
> jar
> urls[19] = file:/C:/maven-2.0.4/bin/../lib/wagon-file-1.0-alpha-7.jar
> urls[20] = file:/C:/maven-2.0.4/bin/../lib/wagon-
> http-lightweight-1.0-alpha-6.ja
> r
> urls[21] = file:/C:/maven-2.0.4/bin/../lib/wagon-
> provider-api-1.0-alpha-6.jar
> urls[22] = file:/C:/maven-2.0.4/bin/../lib/wagon-ssh-1.0-alpha-7.jar
> urls[23] = file:/C:/maven-2.0.4/bin/../lib/wagon-
> ssh-external-1.0-alpha-6.jar
> Number of imports: 0
>
>
> this realm = plexus.core
> urls[0] = file:/C:/maven-2.0.4/bin/../core/plexus-
> container-default-1.0-alpha-9.
> jar
> urls[1] = file:/C:/maven-2.0.4/bin/../core/plexus-utils-1.1.jar
> Number of imports: 0
> -----------------------------------------------------
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Internal error in the plugin manager executing goal '
> org.apache.myfaces.t
> obago:maven-apt-plugin:1.0.9:execute': Unable to find the mojo '
> org.apache.myfac
> es.tobago:maven-apt-plugin:1.0.9:execute' in the plugin '
> org.apache.myfaces.toba
> go:maven-apt-plugin'
> org/codehaus/plexus/compiler/util/scan/SourceInclusionScanner
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in
> the pl
> ugin manager executing goal '
> org.apache.myfaces.tobago:maven-apt-plugin:1.0.9:ex
> ecute': Unable to find the mojo '
> org.apache.myfaces.tobago:maven-apt-plugin:1.0.
> 9:execute' in the plugin 'org.apache.myfaces.tobago:maven-apt-plugin'
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
> ultLifecycleExecutor.java:538)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi
> fecycle(DefaultLifecycleExecutor.java:475)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal
> (Defau
> ltLifecycleExecutor.java:454)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan
> dleFailures(DefaultLifecycleExecutor.java:306)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen
> ts(DefaultLifecycleExecutor.java:273)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute
> (DefaultLi
> fecycleExecutor.java:140)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
> 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 org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java
> :315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at org.codehaus.classworlds.Launcher.mainWithExitCode(
> Launcher.java:430)
>
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Caused by: org.apache.maven.plugin.PluginManagerException: Unable to find
> the mo
> jo 'org.apache.myfaces.tobago:maven-apt-plugin:1.0.9:execute' in the
> plugin 'org
> .apache.myfaces.tobago:maven-apt-plugin'
> at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo
> (Defaul
> tPluginManager.java:533)
> at org.apache.maven.plugin.DefaultPluginManager.executeMojo
> (DefaultPlugi
> nManager.java:390)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
> ultLifecycleExecutor.java:534)
> ... 16 more
> Caused by:
> org.codehaus.plexus.component.repository.exception.ComponentLookupExc
> eption: Unable to lookup component '
> org.apache.maven.plugin.Mojoorg.apache.myfac
> es.tobago:maven-apt-plugin:1.0.9:execute', it could not be created
> at org.codehaus.plexus.DefaultPlexusContainer.lookup
> (DefaultPlexusContai
> ner.java:335)
> at org.codehaus.plexus.DefaultPlexusContainer.lookup
> (DefaultPlexusContai
> ner.java:440)
> at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo
> (Defaul
> tPluginManager.java:524)
> ... 18 more
> Caused by:
> org.codehaus.plexus.component.factory.ComponentInstantiationException
> : Could not instanciate component: role: 'null', implementation: '
> org.apache.myf
> aces.maven.plugin.AptMojo'
> at
> org.codehaus.plexus.component.factory.java.JavaComponentFactory.makeE
> xception(JavaComponentFactory.java:77)
> at
> org.codehaus.plexus.component.factory.java.JavaComponentFactory.newIn
> stance(JavaComponentFactory.java:62)
> at
> org.codehaus.plexus.DefaultPlexusContainer.createComponentInstance(De
> faultPlexusContainer.java:1464)
> at
> org.codehaus.plexus.component.manager.AbstractComponentManager.create
> ComponentInstance(AbstractComponentManager.java:93)
> at
> org.codehaus.plexus.component.manager.PerLookupComponentManager.getCo
> mponent(PerLookupComponentManager.java:48)
> at org.codehaus.plexus.DefaultPlexusContainer.lookup
> (DefaultPlexusContai
> ner.java:331)
> ... 20 more
> Caused by: java.lang.NoClassDefFoundError:
> org/codehaus/plexus/compiler/util/sca
> n/SourceInclusionScanner
> at java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
> at java.lang.Class.getConstructor0(Class.java:2671)
> at java.lang.Class.newInstance0(Class.java:321)
> at java.lang.Class.newInstance(Class.java:303)
> at
> org.codehaus.plexus.component.factory.java.JavaComponentFactory.newIn
> stance(JavaComponentFactory.java:44)
> ... 24 more
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 14 seconds
> [INFO] Finished at: Sat Jan 20 20:42:33 EST 2007
> [INFO] Final Memory: 11M/20M
> [INFO]
> ------------------------------------------------------------------------
>
>
> where could i find this "mojo 'org.apache.myfac
> es.tobago:maven-apt-plugin:1.0.9:execute'" that i could continue the
> installation?
>
> cheers!!
> -----------------------------
> Jiang Liu
> Student Number: 3075163
> CS/Yallara Name: ljiang
>