Re: Read timeout doesn't seem to work

Hi Gary,

Per the javadoc for setTimeout


On Mon, Nov 17, 2014 at 11:37 AM, Gary Mulder <[email protected]>
wrote:

> Hi guys,
>
> I seem to have HTTP requests hanging on reading from the network, even
> though I've set HTTPPluginControl setTimeout to 500ms. Due to the
> non-functional failure testing I am doing, the System Under Test (SUT) will
> sometimes take extended amounts of times (> 30 secs) to complete sending
> responses to Grinder HTTP requests, if at all.
>
> Grinder is correctly throwing a TimeoutException when it can't connect at
> all to the SUT, but it seems to simply hang if the connection is
> successful, but the socket read never completes. A thread dump of the
> Grinder worker indicates that the Grinder http threads are Runnable (see
> below).
>
> I found an old bug (http://sourceforge.net/p/grinder/bugs/148/) that
> seems to describe what I am seeing, but it dates from 2009.
>
> 2014-11-17 16:13:54,399 INFO  go-agent2-0 : The Grinder version 3.11
>
> 2014-11-17 16:13:54,410 INFO  go-agent2-0 : Java(TM) SE Runtime
> Environment 1.7.0_65-b17: Java HotSpot(TM) 64-Bit Server VM (24.65-b04,
> mixed mode) on Linux amd64 3.2.0-4-amd64
>
>
> [...]
>
>
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.65-b04 mixed mode):
>
>
> "SocketTimeout" daemon prio=10 tid=0x00007fec7d36c000 nid=0x1440 waiting
> on condition [0x00007fec58fbe000]
>
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
>
> at java.lang.Thread.sleep(Native Method)
>
> at HTTPClient.SocketTimeout.run(StreamDemultiplexor.java:924)
>
>
> "Timer-0" daemon prio=10 tid=0x00007fec7da7a800 nid=0x143e in
> Object.wait() [0x00007fec590bf000]
>
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
>
> at java.lang.Object.wait(Native Method)
>
> - waiting on <0x0000000585a9b5e8> (a java.util.TaskQueue)
>
> at java.util.TimerThread.mainLoop(Timer.java:552)
>
> - locked <0x0000000585a9b5e8> (a java.util.TaskQueue)
>
> at java.util.TimerThread.run(Timer.java:505)
>
>
> "Thread-1" daemon prio=10 tid=0x0000000001097800 nid=0x143d in
> Object.wait() [0x00007fec591c0000]
>
>    java.lang.Thread.State: WAITING (on object monitor)
>
> at java.lang.Object.wait(Native Method)
>
> - waiting on <0x00000005857d5868> (a java.lang.ref.ReferenceQueue$Lock)
>
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
>
> - locked <0x00000005857d5868> (a java.lang.ref.ReferenceQueue$Lock)
>
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
>
> at
> extra166y.CustomConcurrentHashMap$ReclamationThread.run(CustomConcurrentHashMap.java:1754)
>
>
> "thread 4" daemon prio=10 tid=0x00007fec7d8b4800 nid=0x143c runnable
> [0x00007fec592c0000]
>
>    java.lang.Thread.State: RUNNABLE
>
> at java.net.SocketInputStream.socketRead0(Native Method)
>
> at java.net.SocketInputStream.read(SocketInputStream.java:152)
>
> at java.net.SocketInputStream.read(SocketInputStream.java:122)
>
> [...]
>
>
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