I set my webdefault.xml file to tell DefaultServlet to set
useFileMappedBuffer to false. Jetty seems to be locking the file anyway,
which makes development difficult.
I traced through the Jetty source code, and discovered this in
org.eclipse.jetty.server.ResourceCache:
public ResourceCache(ResourceCache parent, ResourceFactory factory,
MimeTypes mimeTypes,boolean useFileMappedBuffer,boolean etags)
{
_factory = factory;
_cache=new ConcurrentHashMap<String,Content>();
_cachedSize=new AtomicInteger();
_cachedFiles=new AtomicInteger();
_mimeTypes=mimeTypes;
_parent=parent;
_etagSupported=etags;
}
Note that useFileMappedBuffer is a parameter, but it never gets used.
This appears to be the place where the value is getting lost.
I'm using Jetty 9.0.0.M4.
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