I know jython works with MS jview, how does it solve the boot.class.path?
Below is the related-conversation in ibm.software.vame.
-Brian
"Patrick Mueller" <pat...@ot...> wrote in message
news:9m3r1e$rug$1...@ne......
> Our classes.zip needs to be on the -bp. Don't bother putting it on
the -cp.
> Our jclMax is only 3M unzipped, is jython really 6M? Also, our
classes.zip
> file is not compressed. I believe it actually works compressed as well,
at
> least on most OSes.
>
> wrt: "import java", perhaps the jython code is sniffing our JCL looking
for
> some Sun thing, and then getting confused. What does it do on a Win32
box?
>
> --
> ----------------------------------------------------
> Pat...@ot...
> ----------------------------------------------------
>
You are right, jclMax is about 3M, jython is 6M.
A quick grep in jython source reveals:
> private void findAllPackages(Properties registry) {
> String paths = registry.getProperty(
> "python.packages.paths",
> "java.class.path,sun.boot.class.path");
> ...
Is there an equivalent property in OTI VM to let others know about its
bootclass.path?
-Brian
>
> "Brian Zhou" <bri...@te...> wrote in message
> news:9m3fc3$22ic$1...@ne......
> > Hi all,
> >
> > About two months ago I experimented with jython on WinCE/iPaq and had
some
> > success, now VAME (IBM visual age micro edition) has released 1.4 (==
> 1.3.0
> > jvm), so I tried the new version.
> >
> > Good news is I don't have to copy Sun's rt.jar, and pystone shows an
> > improvement from 48 to 52. But adding \vame1.4\lib\jclMax\classes.zip to
> the
> > classpath option does not work, I have to work around by using a 9M
> > extracted .class tree.
> >
> > Here's the updated instruction:
> >
> > 1. download from http://www.embedded.oti.com/ "runtime for ARM PocketPC"
> and
> > "custom config"
> > 2. install the runtime, extract the zip file and copy to pocketpc under
> > \vame1.4
> > 3. install the "custom config", copy lib\jclMax to pocketpc \vame1.4\lib
> > 4. download jython2.1a3 from http://www.jython.org , copy \jython-2.1a3
to
> > pocketpc \jython-2.1a3
> > 5. extract lib\jclMax\classes.zip and copy all subdir/files to pocketpc
> > \vame1.4\lib\classes
> > 6. create a shortcut RunJython.lnk using the following 4 lines concated
> (on
> > a single line seperated by " ") on your desktop PC and copy it to your
> > pocketpc (-cp:classpath, -bp:bootstrap):
> > 132#"\vame1.4\j9.exe"
> > "-bp:\vame1.4\lib\jclMax\classes.zip"
> > "-cp:\vame1.4\lib\classes;\jython-2.1a3\jython.jar"
> > "org.python.util.jython"
> >
> > Here's the part I hope someone can give me some insight, I want to know
> why
> > classes.zip cannot be in classpath:
> >
> > 1. If I leave the classpath as "-cp:\jython-2.1a3\jython.jar", I can
> launch
> > jython fine, do all the python stuff, while "import java" shows "no
module
> > named java"
> > 2. If I use
> "-cp:\vame1.4\lib\jclMax\classes.zip;\jython-2.1a3\jython.jar",
> > I got error message:
> > *sys-package-mgr*: processing new jar, '\vame1.4\lib\jclMax\classes.zip'
> > java.lang.IndexOutOfBoundsException
> >
> > Stack trace:
> > java/lang/Throwable.<init>()V
> > java/lang/Throwable.<init>(Ljava/lang/String;)V
> > java/lang/IndexOutOfBoundsException.<init>(Ljava/lang/String;)V
> > java/util/zip/ZipInputStream.read([BII)I
> > java/util/zip/ZipInputStream.skip(J)J
> > java/io/DataInputStream.skipBytes(I)I
> > org/python/core/PackageManager.checkAccess(Ljava/io/InputStream;)I
> >
> >
>
org/python/core/CachedJarsPackageManager.addZipEntry(Ljava/util/Hashtable;Lj
> > ava/util/zip/ZipEntry;Ljava/util/zip/ZipInputStream;)V
> >
> >
>
org/python/core/CachedJarsPackageManager.getZipPackages(Ljava/io/InputStream
> > ;)Ljava/util/Hashtable;
> >
> >
>
org/python/core/CachedJarsPackageManager.addJarToPackages(Ljava/net/URL;Ljav
> > a/io/File;Z)V
> >
> >
>
org/python/core/CachedJarsPackageManager.addJarToPackages(Ljava/io/File;Z)V
> > org/python/core/PathPackageManager.addClassPath(Ljava/lang/String;)V
> >
> >
org/python/core/SysPackageManager.findAllPackages(Ljava/util/Properties;)V
> >
> >
>
org/python/core/SysPackageManager.<init>(Ljava/io/File;Ljava/util/Properties
> > ;)V
> > org/python/core/PySystemState.initPackages(Ljava/util/Properties;)V
> >
> >
>
org/python/core/PySystemState.initialize(Ljava/util/Properties;Ljava/util/Pr
> > operties;[Ljava/lang/String;Ljava/lang/ClassLoader;)V
> >
> >
>
org/python/core/PySystemState.initialize(Ljava/util/Properties;Ljava/util/Pr
> > operties;[Ljava/lang/String;)V
> > org/python/util/jython.main([Ljava/lang/String;)V
> >
> > 3. As mentioned, extract classes.zip to directory and add directory
to -cp
> > works fine.
> > 4. I also tried to jar classes/ directory into a classes.jar but that
> caused
> > jython to complain "skip bad jar"
> >
> > Anyone has any idea the cause, or what to do further? I mean it works ok
> > right now, except I have to live with this 9M .class tree on a handheld.
> >
> > Thanks for any help or suggestions,
> >
> > -Brian
> >
> >
> >
> >
>
>
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