Sorry for not trying everything.I change the jdbc driver to oracle official under jdk
1.4.Problem solved.
----- Original Message -----
From: "roy huang" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, April 09, 2004 12:06 PM
Subject: Re: is databasereader's bug?
> Hi,all:
> After some hacking way work,I believe it is not the code's error,it is database
> connection's problem.
> In DatabaseReader.java,get blob stream in serialize(Response) like that:
> byte[] buffer = new byte[8096];
> int length = -1;
>
> while ((length = is.read(buffer)) > -1) {
> out.write(buffer, 0, length);
> }
> is.close();
> out.flush();
>
> 1.I make the buffer big enough to cache the whole file like
> byte[] buffer = new byte[8096000];
> the first time it read the whole file into buffer,works fine.but the second time
> it just can't,and the same wrong.
> 2.I print the exception in generate()
> try {
> Response response = ObjectModelHelper.getResponse(objectModel);
> this.serialize(response);
> } catch (IOException ioe) {
> System.out.println(ioe.toString());
> ...
> and the message is:
> java.io.IOException: [DataDirect][Oracle JDBC Driver]Object has been closed.
> and the recycle() run.
> the same jdbc driver in otherplace doing the same thing is fine,so I guest it may be
> database management,but I'm not sure is tomcat or cocoon.
>
> WDYT?
>
> Roy Huang
