Re: [Jscheme-devel] Weird behaviour under Java 5

[Ken A. <kan...@bb...>]

We saw this in a 1.5 beta too.  At the time, i thought it was a bug, it still may be.  I think the problem is with how we fill the method table.
It may take me a few days to fix it.

k
At 12:59 PM 10/22/2004 +0300, Tatu Tarvainen wrote:

>Some Java-calls don't seem to work under JDK 1.5.0.
>Using quasi-strings fails, because the StringBuffer append method fails.
>
>This happens with the latest jscheme jar and the CVS version.
>I think the reflective access to the append method fails because in Java
>5 the java.lang.StringBuffer class inherits from a new
>java.lang.AbstractStringBuilder class which is not public and also
>provides the append method.
>
>I'll look into a patch over the weekend.
>
>Here is a capture of the failure:
>---------- clip -----------
>tadex@tatu-dt ~/import $ java -showversion -jar jscheme.jar
>java version "1.5.0"
>Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
>Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode, sharing)
>
>JScheme 7.1 (10/20/04 8:50 AM) http://jscheme.sourceforge.net
>> (define sb (StringBuffer.))
>
>> (.append sb "text")
>
>In openResource(elf/basic.scm):
>java.lang.OutOfMemoryError: Java heap space
>** WARNING: (load) can't open "elf/basic.scm"
>while backtrace loading describe: SchemeException: ERROR: undefined
>variable "backtraceBody"
>In openResource(elf/basic.scm):
>java.lang.OutOfMemoryError: Java heap space
>** WARNING: (load) can't open "elf/basic.scm"
>SchemeException: ERROR: undefined variable "backtraceValueString"
>Error in BacktraceException.printStackTrace:
>java.lang.OutOfMemoryError: Java heap space
>** WARNING: Error during load (lineno 23): jsint.BacktraceException[
>
>
>]
>---------- clip -----------
>The errors just go on and on, until the process is killed.
>
>-- 
>Tatu Tarvainen
>
>
>
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