16 articles WAS 8.5

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…

What is WebSphere Health Management?

Posted on by Viet Luu

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?

Posted on by Viet Luu

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

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)

CWWIM1999E An exception occurred during processing: Listener refused the connection with the following error:

Posted on by Viet Luu

[8/9/16 9:33:39:643 AEST] 000194a3 LTPAServerObj E SECJ0373E: Cannot create credential for the user <null> due to failed validation of the LTPA token. The exception is com.ibm.websphere.wim.exception.WIMSystemException: CWWIM1999E An exception occurred during processing: Listener refused the connection with the following error: ORA-12520, TNS:listener could not find available handler for requested type of server at com.ibm.ws.wim.dao.AbstractDAO.getDirectAccessConnection(AbstractDAO.java:390) at…

Secure and HttpOnly flags for session cookie Websphere 7, 8.*

Posted on by Viet Luu

http://stackoverflow.com/questions/9193112/secure-and-httponly-flags-for-session-cookie-websphere-7 To set Secure flag to JSESSIONID cookie (same for WebSphere 7.x and 8.x): log in log in WebSphere admin console Navigate to Server > Server types > WebSphere application servers Click on server name (default is server1) Click on link Web Container settings > Web Container Click on link Session Management Click on link…