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Re: [cross-project-issues-dev] Need help with pack200
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This class file is corrupted.
Once recompiled it works fine. It might have been committed as an ascii
file.
I opened https://bugs.eclipse.org/bugs/show_bug.cgi?id=147510 to track it
down.
The simplest solution would be to remove the contents of the output folder
from the CVS server and also add a .cvsignore file in the root of this
project.
HTH,
Olivier
Andrew Niefer/Ottawa/IBM@IBMCA
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2006-06-13 15:46
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Re: [cross-project-issues-dev] Need help with pack200
Hubert,
There is something wrong with some of the class files in the
org.eclipse.tptp.platform.examples.isv jar.
Specifically ExportToXML.class, ExportViewerGeneratorSamplePlugin.class
and Messages.class in archive/ExportViewerGeneratorSample/bin.
When you try running pack200.exe directly on the jar, you end up with
something like the following:
C:\Dev\test\packer>pack200 -r ExportToXML.jar
Exception in thread "main" java.io.IOException: Bad constant pool tag 13
at
com.sun.java.util.jar.pack.ClassReader.readConstantPool(ClassReader.java:232)
at
com.sun.java.util.jar.pack.ClassReader.read(ClassReader.java:123)
at
com.sun.java.util.jar.pack.PackerImpl$DoPack.readClass(PackerImpl.java:490)
at
com.sun.java.util.jar.pack.PackerImpl$DoPack.run(PackerImpl.java:464)
at com.sun.java.util.jar.pack.PackerImpl.pack(PackerImpl.java:73)
at com.sun.java.util.jar.pack.Driver.main(Driver.java:261)
I don't know enough about class files to say exactly what is wrong, but
perhaps you should try recompiling those class files.
-Andrew
Hubert H Leung/Toronto/IBM@IBMCA
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06/13/2006 10:32 AM
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Re: [cross-project-issues-dev] Need help with pack200
Hi Andrew,
Thank you for your reply. Your suggestion of unzipping the files and only
condition the jar files in the zip file really worked. I have
successfully created a conditioned (repacked) zip files with proper file
permissions. The idea is not to let the pack200 program touch files other
than jar files or class files. However, if I pack the feature and plugin
jar files when I prepare the update site, and users download the plugins
through the updater, which unpacks the jar files, the execute permissions
of files in the plugins will still be lost. The change of file
permissions seems to be a limitation of pack200.
As for the error returned when repacking the
org.eclipse.tptp.platform.examples.isv plugin, I couldn't get more
detailed error messages. I am now excluding that plugin from the repack
process.
You can see our build scripts at dev.eclipse.org:/home/tptp, under module
platform/org.eclipse.hyades.releng.builder.
Files related to pack200 include
/org.eclipse.hyades.releng.builder/master/runtime/customTargets.xml and
/org.eclipse.hyades.releng.builder/master/bash/pack200.sh
Thanks again for your helpful input!
_________________________
Hubert Leung
IBM Toronto Lab
hkyleung@xxxxxxxxxx
905-413-3382
Andrew Niefer/Ottawa/IBM@IBMCA
Sent by: cross-project-issues-dev-bounces@xxxxxxxxxxx
06/12/2006 03:12 PM
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Re: [cross-project-issues-dev] Need help with pack200
Hubert,
If you are talking about the permissions on files in the zip (as opposed
to permissions on files inside jars), then one workaround would be to
extract the zip to a temporary directory and run the jarprocessor on the
directory instead of on the zip, then rezip the directory. I don't see
how there should be any difference between postAssemble and postPackage as
far as permissions go so this is a bit of a mystery.
The return code of 1 is what was returned from pack200.exe, I have not
been able to find any documention on it either. I would suggest manually
running the command that failed and see if pack200 wrote any error message
to the screen that may be helpful. Although it might be hard to stop the
processor before it deletes that temporary file. You could also run the
command manually on org.eclipse.tptp.platform.examples.isv. I wouldn't
think that any nested examples plugins should make a difference.
Are your releng scripts in CVS that I can get them to try and debug this a
bit?
-Andrew
Hubert H Leung/Toronto/IBM@IBMCA
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06/11/2006 05:54 PM
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[cross-project-issues-dev] Need help with pack200
I face two problems with pack200 when trying to compress the packages for
TPTP. If someone has a similar experience but has a solution, please help
me out. Please also let me know if you think I'm doing something wrong.
The first problem is about file permissions. From the documentation of
pack200, you can find this quote: "By default, the packer does not change
the order of JAR elements. Also, the modification time and deflation hint
of each JAR element is passed unchanged. (Any other ZIP-archive
information, such as extra attributes giving Unix file permissions, are
lost.)"
I learned about this limitation the hard way. I condition the jar files
(at least for TPTP) in the postAssemble step of the PDE build, after PDE
creates all the feature zip files, but before we slice and dice the
features into zipfiles for download. Since the same feature can end up in
more than one package (such as runtime, sdk, etc.), doing the conditioning
before the packaging step can avoid conditioning the same jar file several
times. However, if I do this, the file mode of all files and directories
in the final zip files become 000. That is, all read, write and execute
permissions are gone. I noticed WTP does the conditioning in the
postPackage step, which is equivalent to doing the conditioning on the
final zip files. I tried that too, and the result was that the read and
write permissions flags are set, but all execute flags are lost. There
are some operating system specific files which I took special care to make
sure the execute permission is set, but that's gone after pack200.
The second problem I found was an error returned when repacking (or
packing) some of our jar files. For example:
[exec] Extracting
eclipse/plugins/org.eclipse.tptp.platform.examples.isv_4.2.0.v200606061039.jar
[exec] Running Repack on
/public/TPTP/4.2.0/TPTP-4.2.0-200606110100/temp_tptp.platform.sdk-TPTP-4.2.0-200606110100.zip/eclipse/plugins/org.eclipse.tptp.platform.examples.isv_4.2.0.v200606061039.jar
[exec] Error: 1 was returned from command:
/opt/ibm/jdk1.5.0_06/jre/bin/pack200 -r
/public/TPTP/4.2.0/TPTP-4.2.0-200606110100/temp_tptp.platform.sdk-TPTP-4.2.0-200606110100.zip/temp_org.eclipse.tptp.platform.examples.isv_4.2.0.v200606061039.jar
/public/TPTP/4.2.0/TPTP-4.2.0-200606110100/temp_tptp.platform.sdk-TPTP-4.2.0-200606110100.zip/temp.org.eclipse.tptp.platform.examples.isv_4.2.0.v200606061039.jar/org.eclipse.tptp.platform.examples.isv_4.2.0.v200606061039.jar
[exec] Adding
eclipse/plugins/org.eclipse.tptp.platform.examples.isv_4.2.0.v200606061039.jar
to
/public/TPTP/4.2.0/TPTP-4.2.0-200606110100/tptp.platform.sdk-TPTP-4.2.0-200606110100.zip.temp
I could not find any documentation on this error code. A possible reason
of the error is that this plugin contains some examples plugins, which
contain a MANIFEST.MF file for each example, and the packer is somehow
confused.
_________________________
Hubert Leung
IBM Toronto Lab
hkyleung@xxxxxxxxxx
905-413-3382_______________________________________________
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