On Apr 10, 2013, at 4:37 PM, "Aaron Freeman" <aaron.free...@layerz.com> wrote:
> In resin-4.0.35 I am spinning on a typical BufferedInputStream read loop to > read from a multipart stream. It works great, but for some reason a large > percent of the connections hang at some point on the blocked read call. I > thought that the default SocketTimeout setting in Resin would cause that to > eventually throw an exception, but that does not appear to be happening. > Here is a partial thread dump of the blocked call: Some of our internal stream wrappers swallow the exception, log it, and return -1. You're saying it's just blocking, but as a first step I recommend you turn on FINER logging for "com.caucho.vfs", and maybe "com.caucho.server.http" also. Then check the logs for exceptions logged when you would expect the timeout. Thanks, Paul > > at java.net.SocketInputStream.socketRead0 (SocketInputStream.java:-2) > at java.net.SocketInputStream.read (SocketInputStream.java:150) > at java.net.SocketInputStream.read (SocketInputStream.java:121) > at sun.security.ssl.InputRecord.readFully (InputRecord.java:442) > at sun.security.ssl.InputRecord.read (InputRecord.java:480) > -- locked java.lang.Object@0x627eabb3 > at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:927) > at sun.security.ssl.SSLSocketImpl.readDataRecord (SSLSocketImpl.java:884) > at sun.security.ssl.AppInputStream.read (AppInputStream.java:102) > at com.caucho.vfs.SocketStream.read (SocketStream.java:187) > at com.caucho.vfs.ReadStream.read (ReadStream.java:472) > at com.caucho.server.http.ContentLengthStream.read > (ContentLengthStream.java:79) > > .... > > Any ideas why the socketRead0 just hangs and the SocketTimeout never fires? > > Thanks, > > Aaron > > > _______________________________________________ > resin-interest mailing list > resin-interest@caucho.com > http://maillist.caucho.com/mailman/listinfo/resin-interest ======================= Paul Cowan, Software Engineer Caucho Technology co...@caucho.com http://blog.caucho.com http://twitter.com/cauchoresin
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