I think the implication is that it is simply not safe to do what I have done, which is attempt to use a Tcl list to iterate over Java objects. You must use Java iteration mechanisms instead (e.g. java.util.Enumeration). Jiang Wu wrote: > The problem is that the code assumes > > set dataList [makeTclList $content] > > sets the variable 'dataList' to the "TclList object" returned by your > MakeTclList command. Suppose that the Tcl interpreter makes a copy of the > list returned by MakeTclList using its string form. Then your original list > would be free'ed by the interpreter. This results in the Java objects > inside the list to also be free'ed. Later on, TclBlend will not be able to > map "java0x3" to any real Java object, resulting in the 'invalid command > name' error. > > I have encountered this error in my use of TclBlend. One of my earlier > email demonstrates this behavior: > > -----Original Message----- > From: Jiang Wu [mailto:[EMAIL PROTECTED]] > Sent: Friday, June 23, 2000 10:28 AM > To: [EMAIL PROTECTED] > Subject: [Tcl Java] A Tcl or TclBlend problem? > > This problem may be related to Dr Wes Munsil's problem on "invalid command > name". Here is the problem script: > > set x [java::new String foo] > after 1000 "$x toString" > unset x > update > > You will get an error "invalid command name". > > -- Jiang Wu > [EMAIL PROTECTED] > > ---------------------------------------------------------------- > The TclJava mailing list is sponsored by Scriptics Corporation. > To subscribe: send mail to [EMAIL PROTECTED] > with the word SUBSCRIBE as the subject. > To unsubscribe: send mail to [EMAIL PROTECTED] > with the word UNSUBSCRIBE as the subject. > To send to the list, send email to '[EMAIL PROTECTED]'. > An archive is available at http://www.mail-archive.com/tcljava@scriptics.com ---------------------------------------------------------------- The TclJava mailing list is sponsored by Scriptics Corporation. To subscribe: send mail to [EMAIL PROTECTED] with the word SUBSCRIBE as the subject. To unsubscribe: send mail to [EMAIL PROTECTED] with the word UNSUBSCRIBE as the subject. To send to the list, send email to '[EMAIL PROTECTED]'. An archive is available at http://www.mail-archive.com/tcljava@scriptics.com
