WebLogic Portal Hangs When Using ICEfaces J2EE Ajax Project

(Doc ID 1072353.1)

Last updated on JULY 10, 2017

Applies to:

Oracle WebLogic Portal - Version 9.2.0 and later
Information in this document applies to any platform.

Symptoms

When using ICEfaces J2EE AJAX project version 1.7.2 with WebLogic Portal you could observe server hang issues followed by the following error messages:

<1266340822070> <[STUCK] ExecuteThread: '70' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "608" seconds working on the request "weblogic.servlet.internal.ServletRequestImpl@2b19989[
POST /block/ping HTTP/1.1
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-gb,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Referer: https://www.xyz.com/appmanager/xyz/main
Content-Length: 72
Cookie: __utma=155023481.241872651.1258711949.1258711949.1258711949.1; JSESSIONID=0hqVL6RQRy6FHnLdQ96flPLCkJ9nN3vLPhGM2CCJhPTggD8152sP!1748386442; ice.sessions=; updates=; ice.lease=1266340270686; bconn=k2HwJcV7obMgOopUoET2JQ:1:acquired
Pragma: no-cache
Cache-Control: no-cache

]", which is more than the configured time (StuckThreadMaxTime) of "600" seconds. Stack trace:
Thread-1189 "[STUCK] ExecuteThread: '70' for queue: 'weblogic.kernel.Default (self-tuning)'" {
-- Waiting for notification on: edu.emory.mathcs.backport.java.util.concurrent.Semaphore$NonfairSync@2b270a7[fat lock]
java.lang.Object.wait(Object.java:485)
edu.emory.mathcs.backport.java.util.concurrent.Semaphore$NonfairSync.acquire(Semaphore.java:242)
edu.emory.mathcs.backport.java.util.concurrent.Semaphore.acquire(Semaphore.java:474)
com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet$ThreadBlockingRequestResponse.blockUntilRespond(ThreadBlockingAdaptingServlet.java:45)
com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:18)
com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)
com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:55)
com.icesoft.faces.webapp.http.servlet.SessionVerifier.service(SessionVerifier.java:21)
com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:16)
com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:147)



When you run into this issue you have to restart the application server.

This issue only occurs in a clustered environment. It can happen on any one of the managed servers but usually not simultanously.

Cause

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