Weblogic thread stuck

We ae running WebLogic server version 9.2 and get the follwoing exception quite
regularly which bring down the server. Can anyone tell me what cause the
exception and we I can do to prevent this happening.

<Error> <WebLogicServer> <BEA-000337> <[STUCK]
ExecuteThread: '16' for queue: 'weblogic.kernel.Default (self-tuning)' has been
busy for "617" seconds working on the request "Http Request:
/kp/thirdpartyitem", which is more than the configured time
(StuckThreadMaxTime) of "600" seconds. Stack trace:
	java.net.SocketInputStream.socketRead0(Native Method)
	java.net.SocketInputStream.read(SocketInputStream.java:129)
	java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
	java.io.BufferedInputStream.read(BufferedInputStream.java:235)
	weblogic.net.http.MessageHeader.isHTTP(MessageHeader.java:220)
	weblogic.net.http.MessageHeader.parseHeader(MessageHeader.java:143)
	weblogic.net.http.HttpClient.parseHTTP(HttpClient.java:420)
	weblogic.net.http.HttpURLConnection.getInputStream(HttpURLConnection.java:345)
	weblogic.net.http.SOAPHttpURLConnection.getInputStream(SOAPHttpURLConnection.ja
va:31)
	fusionsoft.bespoke.nwbl.utils.GeneralUtils.readHttpResponse(GeneralUtils.java:6
19)
	fusionsoft.bespoke.nwbl.utils.GeneralUtils.readHtmlPage(GeneralUtils.java:597)
	fusionsoft.bespoke.nwbl.utils.GeneralUtils.readXmlPage(GeneralUtils.java:546)
	fusionsoft.bespoke.nwbl.utils.NwblXMLUtils.loadCmsConfig(NwblXMLUtils.java:248)

	fusionsoft.bespoke.nwbl.utils.NwblXMLUtils.commonResponseXML(NwblXMLUtils.java:
82)
	fusionsoft.bespoke.nwbl.thirdparty.query.ThirdPartyItemServlet.processRequest(T
hirdPartyItemServlet.java:85)
	fusionsoft.bespoke.nwbl.utils.LoggedNwblServlet.doGet(LoggedNwblServlet.java:41
)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecur
ityHelper.java:225)
	weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.j
ava:127)
	weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
	weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
	weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebA
ppServletContext.java:3214)
	weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.j
ava:321)
	weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
	weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletCont
ext.java:1983)
	weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.jav
a:1890)
	weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1344)
	weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)