stop using mmap for zip I/O

[Christos Zoulas]

On Feb 27,  9:51am, sean.coffey at oracle.com (=?windows-1252?Q?Se=E1n_Coffey?=) wrote:
-- Subject: Re: stop using mmap for zip I/O

| The sun.zip.disableMemoryMapping=true property helps with ZipFile class 
| only. There are other related issues in the ZipInput/Output streams. 
| Some code areas don't have synchronization and there are opportunities 
| for the underlying native zip resources to be freed which Java code then 
| tries to reference causing various SEGV. I've one or two areas of code 
| identified for tightening up and hope to get to it in coming weeks. 
| (long standing action item)

Absolutely, there are unchecked lengths that are used to copy buffers...

| > So we catch the signal, right?  Maybe there's something I'm missing...
| We don't catch/detect such SEGV's. Would it make sense, is it possible ?

It is SIGBUS...

christos