websphere

WebSphere Threads servicing SSL connections might be blocked by the closing handshake write

Posted on by Viet Luu

http://www-01.ibm.com/support/docview.wss?uid=swg1PI70332 Exception: [9/4/17 19:58:14:215 AEST] 0000010f ThreadMonitor W CWWSR0605W: Thread “WebContainer : 5” (000001c0) has been active for 645241 milliseconds and may be hung. There is/are 1 thread(s) in total in the server that may be hung. at java.lang.Thread.yield(Native Method) at com.ibm.ws.ssl.channel.impl.SSLUtils.flushCloseDown(SSLUtils.java:243) at com.ibm.ws.ssl.channel.impl.SSLUtils.shutDownSSLEngine(SSLUtils.java:123) at com.ibm.ws.ssl.channel.impl.SSLConnectionLink.cleanup(SSLConnectionLink.java:225) at com.ibm.ws.ssl.channel.impl.SSLConnectionLink.close(SSLConnectionLink.java:169) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.close(HttpInboundLink.java:884) at com.ibm.wsspi.channel.base.InboundApplicationLink.close(InboundApplicationLink.java:58) at com.ibm.ws.webcontainer.channel.WCChannelLink.close(WCChannelLink.java:169) at…

WebSphere ThreadPool Performance Analysis

Posted on by Viet Luu

https://publib.boulder.ibm.com/httpserv/cookbook/WebSphere_Application_Server-WAS_Traditional-Thread_Pools.html Thread pools and their corresponding threads control all execution of the application. The more threads you have, the more requests you can be servicing at once. However, the more threads you have the more they are competing for shared resources such as CPUs and the slower the overall response time may become as these…

Clear all websphere portal dynacache (distributedmap) with one click

Posted on by Viet Luu

http://www-10.lotus.com/ldd/portalwiki.nsf/dx/Clear_all_websphere_portal_dyna_caches_lprdistributedmaprpr_with_one_click Sample code to inject in cachemonitor We can clear all caches with single click by injecting the below small piece of code into the Cache Monitor JSP (WebSphere\wp_profile\installedApps\sivapcCell\Dynamic Cache Monitor.ear\CacheMonitor.war\selectInstance.jsp)   <form name=”clearAll” method=”get” action=”selectInstance.jsp”> <input type=”hidden” name=”clearAll” value=”true”>  <input type=”submit” value=”Clear All” class=”buttons”>  </form> <%  if (request.getParameter(“clearAll”) != null   && request.getParameter(“clearAll”).equals(“true”)) {…

Jython script to create cluster with member WAS8.5

Posted on by Viet Luu

http://www-01.ibm.com/support/knowledgecenter/SSAW57_8.5.5/com.ibm.websphere.nd.doc/ae/rxml_7libcluster.html?cp=SSAW57_8.5.5%2F1-18-3-57 AdminClusterManagement.createClusterMember(clusterName, nodeName, newMemberName) AdminClusterManagement.createFirstClusterMemberWithTemplate(clusterName, nodeName, newMemberName, templateName)