我们有一个 JAX-WS RI 客户端——它在无状态 bean 中初始化并被重用——有时当我们调用它时，它会在内部向服务发出许多重复的 http 请求。
这是对日志相关部分的一瞥：
[#|2013-07-29T16:50:15.030-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 386 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:15.031-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Request message processed in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 385 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:15.032-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Request message processed in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 383 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:15.032-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 384 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:15.033-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 382 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:15.034-0400||com.sun.xml.ws.transport.DeferredTransportPipe|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.ws.transport.DeferredTransportPipe ] Instance [ 380 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:15.034-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Request message processed in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 381 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.314-0400||com.sun.xml.ws.transport.DeferredTransportPipe|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.ws.transport.DeferredTransportPipe ] Instance [ 380 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.315-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Response message received in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 381 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.316-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 382 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.317-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Response message received in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 383 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.318-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 384 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.319-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Response message received in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 385 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.320-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 386 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.323-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Request message processed in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 385 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.323-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 386 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.324-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 384 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.325-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Request message processed in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 383 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.326-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 382 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.327-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Request message processed in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 381 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.328-0400||com.sun.xml.ws.transport.DeferredTransportPipe|_ThreadID=120;_ThreadName=Thread-2;|Request message received in Tube [ com.sun.xml.ws.transport.DeferredTransportPipe ] Instance [ 380 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.412-0400||com.sun.xml.ws.transport.DeferredTransportPipe|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.ws.transport.DeferredTransportPipe ] Instance [ 380 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.413-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Response message received in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 381 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.414-0400||com.sun.xml.xwss.XWSSClientTube|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.xwss.XWSSClientTube ] Instance [ 382 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.415-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Response message received in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 383 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.416-0400||com.sun.xml.ws.protocol.soap.ClientMUTube|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.ws.protocol.soap.ClientMUTube ] Instance [ 384 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.417-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Response message received in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 385 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]:
[#|2013-07-29T16:50:22.418-0400||com.sun.xml.ws.handler.ClientLogicalHandlerTube|_ThreadID=120;_ThreadName=Thread-2;|Response message processed in Tube [ com.sun.xml.ws.handler.ClientLogicalHandlerTube ] Instance [ 386 ] Engine [ Metro/2.1.1-b09 (branches/2.1-6834; 2011-07-16T17:14:48+0000) JAXWS-RI/2.2.5-promoted-b04 JAXWS/2.2: Stub for https://www.mywebservice.com/blahblah ] Thread [ http-thread-pool-9680(4) ]: