users@jersey.java.net

Client Problems

From: Markus KARG <markus.karg_at_gmx.net>
Date: Mon, 28 Jul 2008 10:54:43 +0200

This is a bit off-topic, but maybe somebody knows the answer:

To test my JAX-RS resource I am using simple HttpUrlConnection. It works
pretty well. For performance tests I wanted to stress my server, so I
added ten threads, and each runs thousands iterations. In each
iteration, I create a URL, HttpUrlConnection, connect it, disconnect it.
After several iterations, I get the following stack trace:

java.net.BindException: Address already in use: connect
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    at java.net.Socket.connect(Socket.java:519)
    at java.net.Socket.connect(Socket.java:469)
    at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
    at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
    at sun.net.www.http.HttpClient.New(HttpClient.java:306)
    at sun.net.www.http.HttpClient.New(HttpClient.java:323)
    at
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:790)
    at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:731)
    at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:656)

Has anybody an idea what my fault is and how to solve it?

Thanks
Markus

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