StackOverflowError on large file upload

[kmaclean]

Archive file location:/tmp/VF-dir46813.tmp/test6long-20080509-yep.zip
Uploading to http://vs13.pytown.com/speechsubmission/r0_1_4/javaUploadServer.php
Exception in thread "Thread-60" java.lang.StackOverflowError
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(Unknown Source)
	at java.net.SocketOutputStream.write(Unknown Source)
	at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
	at java.io.BufferedOutputStream.flush(Unknown Source)
	at java.io.DataOutputStream.flush(Unknown Source)
	at net.sf.postlet.UploadThread.uploadFile(UploadThread.java:109)
	at net.sf.postlet.UploadThread.upload(UploadThread.java:83)
	at net.sf.postlet.UploadThread.run(UploadThread.java:65)
	at net.sf.postlet.UploadThread.run(UploadThread.java:75)
        at net.sf.postlet.UploadThread.run(UploadThread.java:75)
	at net.sf.postlet.UploadThread.run(UploadThread.java:75)
	at net.sf.postlet.UploadThread.run(UploadThread.java:75)
	at net.sf.postlet.UploadThread.run(UploadThread.java:75)
        ...