[izpack-devel] Uninstaller bug

[Marc Eppelmann]

Hi Marius,

It seems that there is a Bug left from my last implemented Feature. I will 
review and fix it this weekend.

PS: But why runs the uninstaller in GUI-Mode, even if the Installer was 
started in non-GUI Mode?

Cheers 
Marc

Am Wednesday 09 May 2007 schrieb Marius Nicolae:
> Hi,
>
> I was trying to build a command line installer/uninstaller using IzPack.
>
> The install part can be automated with  an xml file. The uninstall
> part can be resolved by adding the -c flag to the uninstaller.
>
> The problem:
> If I run the installer without a GUI (using an .xml file as a
> parameter), the uninstaller encounters a null pointer exception.
>
> I've attached a screenshot of the error message.
>
> NOTE: To reproduce the error do the following:
> 1. Run the sample that comes with IzPack, save the xml script for
> automated installation then uninstalled the sample.
> 2. Run the installer with the xml script as a parameter. This should
> install the sample again.
> 3. Run the uninstaller from Sample Installation/Uninstaller
>
> Can we get around this in any way?
>
> Best regards,
> Marius Nicolae
>
> PS: this is a copy of the log file. The error is displayed here also.
> [myHome] represents my home folder
>
> 2007-05-09T13:30:26.934 Phase 1: JarFile: [myHome]/Sample
> Installation/Uninstaller/uninstaller.jar
> 2007-05-09T13:30:26.987 Phase 1: Extracted 119 files into /tmp/izpack9522.d
> 2007-05-09T13:30:26.988 Phase 1: Spawning phase 2:
>         /usr/lib/jvm/java-1.5.0-sun-1.5.0_update8/jre/bin/java
>         -classpath
>         /tmp/izpack9522.d
>         -Dself.mod.base=/tmp/izpack9522
>         -Dself.mod.jar=[myHome]/Sample
> Installation/Uninstaller/uninstaller.jar
> -Dself.mod.class=com.izforge.izpack.uninstaller.Uninstaller
> -Dself.mod.method=uninstall
>         -Dself.mod.phase=2
>         com.izforge.izpack.uninstaller.SelfModifier
> 2007-05-09T13:30:26.993 Phase 1: Exit
> 2007-05-09T13:30:28.186 Phase 2: Spawning phase 3:
>         /usr/lib/jvm/java-1.5.0-sun-1.5.0_update8/jre/bin/java
>         -classpath
>         /tmp/izpack9522.d
>         -Dself.mod.base=/tmp/izpack9522
>         -Dself.mod.jar=[myHome]/Sample
> Installation/Uninstaller/uninstaller.jar
> -Dself.mod.class=com.izforge.izpack.uninstaller.Uninstaller
> -Dself.mod.method=uninstall
>         -Dself.mod.phase=3
>         com.izforge.izpack.uninstaller.SelfModifier
> 2007-05-09T13:30:28.274 Phase 3: Invoking method:
> com.izforge.izpack.uninstaller.Uninstaller.uninstall(String[] args)
> 2007-05-09T13:30:28.514 Phase 3: Method returned, waiting for other threads
> java.lang.NullPointerException
>         at
> java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2213)
> at
> java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:
>2226) at
> java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.
>java:2694) at
> java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:761) at
> java.io.ObjectInputStream.<init>(ObjectInputStream.java:277) at
> com.izforge.izpack.uninstaller.Destroyer.getRootScript(Destroyer.java:223)
> at com.izforge.izpack.uninstaller.Destroyer.run(Destroyer.java:119)
> 2007-05-09T13:32:04.024 Phase 2: deleteing sandbox
> 2007-05-09T13:32:04.048 Phase 2: Phase 3 return value = 0