27 articles IBM

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

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 XD Health Management

http://setgetweb.com/p/WAS60/XD/health.html Overview Health policies Policy types Reactions Reaction modes Guided activities The health controller Configuring the health controller using scripting Locating the health controller Define health policies Age-based condition Excessive request timeout condition Excessive response time condition Memory condition: excessive memory usage Memory condition: memory leak Storm drain condition Workload condition Default health policies Managing…

WebSphere ThreadPool Performance Analysis

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…

What is WebSphere Health Management?

http://www-01.ibm.com/support/docview.wss?uid=swg21662005 Health Management is part of WebSphere Virtual Enterprise environment, which is integrated in WebSphere Application Server 8.5. Intelligent Management provides a health management feature to monitor the status of your application servers, as well as sense and respond to problem areas before an outage occurs. You can manage the health of your application serving…

How to Generate and Analyse WebSphere Thread Dump?

BOOKMARK Link: https://geekflare.com/generate-and-analyse-websphere-thread-dump/ wsadmin>set jvm [$AdminControl completeObjectName type=JVM,process=server1,*] WebSphere:name=JVM,process=server1,platform=proxy,node=localhostNode01,j2eeType=JVM,J2EEServer=server1,version=8.5.5.0,type=JVM,mbeanIdentifier=JVM,cell=localhostCell01,spec=1.0 wsadmin>$AdminControl invoke $jvm dumpThreads # kill -3 $PID

Clear all websphere portal dynacache (distributedmap) with one click

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

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)