Simon Meers <[email protected]> writes:
> Hmm, apparently I spoke too soon -- the Java code connects fine, but as soon
> as you try to do anything with the connection it crashes!
I at least found where it crashes, and how to tell jvm to be a bit
more verbose about the error. In C terms, it crashes during
the GET_ID macro, in the line
if (!((id) = (*(jenv))->GetFieldID((jenv), (class), (field), (sig)))) {\
If you invoke java with -Xcheck:jni, suddenly the JVM is a lot
more friendly about the actual error:
fzidpc73:/tmp# java -Xcheck:jni -Djava.library.path=/usr/lib/jni -classpath
.:/usr/share/java/brlapi.jar test
FATAL ERROR in native method: Instance field not found in JNI get/set field
operations
at org.a11y.BrlAPI.Native.openConnection(Native Method)
at org.a11y.BrlAPI.Brlapi.<init>(Brlapi.java:28)
at test.main(test.java:5)
Aborted
However, this error now seems to happen in openConnection, not
getDriverName. Something with GET_ID is very broken, but
I am not familiar enough with JNI programming to spot the error.
Maybe someone else could take a look? Who wrote this code?
--
CYa,
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