[jdom-interest] will use StringBuffer instead of String (was RE: [jdom-interest] org.jdom.Namespace not implementing Serializable?)

Humphrey Sheil Humphrey.Sheil at Kadius.com
Fri Jul 21 02:21:22 PDT 2000

[changed subject]

Oops.  I should have mentioned that we'll use StringBuffer in the meantime
to work around this RMI limitation, i.e. pass around a StringBuffer and only
create a Document in the layer that will publish the XML directly to disk.


-----Original Message-----
From: Humphrey Sheil 
Sent: 21 July 2000 09:14
To: 'Jools Enticknap'
Cc: 'jdom-interest at jdom.org'
Subject: RE: [jdom-interest] org.jdom.Namespace not implementing


I should have traversed the entire object graph to find this.

I was hoping to avoid having to serialize the Document to a string.  The JDK
has imposed a hard 64k limit on the serialized form of a string (in
java.io.DataOutputStream), since it uses the first two bytes of the
underlying array to store the size of the array.  Any bigger and a
UTFDataFormatException will be thrown.


-----Original Message-----
From: Jools Enticknap [mailto:jools at jools.org]
Sent: 20 July 2000 19:32
To: Humphrey Sheil
Cc: 'jdom-interest at jdom.org'
Subject: Re: [jdom-interest] org.jdom.Namespace not implementing

> 1.  Should Namespace be Serializable?  I don't think so - the javadoc says
> that it is not just a namespace - it is also a factory for creating them.

It's still an issue, there was a discussion about it, check the archives.

> 2.  Anybody got any idea why RMI tries to serialize Namespace in the first
> place when I'm only trying to pass around an instance of a Document
> contains no references to Namespace)?

A Document contains references to Element, which in turn has references to
Namespace. For the object to be serialized all the objects it references
to must also be serializable.
Can I suggest that you serialize the document into a String and then send
that over the wire. The client can then create a JDOM object from the
String using the SAXBuilder class.


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