Configuring weblogic server console with external server urls, etc

there are obviously various ‘canned’ configuration options in oracle’s weblogic server console for setting up data sources, jms queues, ldap servers etc, etc. What i want however is a way to configure other servers, mostly server urls, etc, in the console as well, and allow web applications running on the web server to access those … Read more

WebLogic embedded LDAP crashes

Our production admin server (WebLogic 10.3.5 running on Solaris 10) crashes from time to time. Logs show tons of these errors (several each minute): <1-Jun-2012 2:28:34 o’clock AM EDT> <Critical> <EmbeddedLDAP> <BEA-000000> <java.lang.NullPointerException at weblogic.socket.DevPollSocketMuxer.cleanupSocket(DevPollSocketMuxer.java:150) at weblogic.socket.DevPollSocketMuxer.cancelIo(DevPollSocketMuxer.java:166) at weblogic.socket.SocketMuxer.deliverExceptionAndCleanup(SocketMuxer.java:836) at weblogic.socket.SocketMuxer.deliverEndOfStream(SocketMuxer.java:760) at weblogic.ldap.MuxableSocketLDAP$LDAPSocket.close(MuxableSocketLDAP.java:128) at com.octetstring.vde.Connection.close(Connection.java:166) at com.octetstring.vde.WorkThread.executeWorkQueueItem(WorkThread.java:89) at weblogic.ldap.LDAPExecuteRequest.run(LDAPExecuteRequest.java:50) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209) at weblogic.work.ExecuteThread.run(ExecuteThread.java:178) … Read more

Exception thrown when trying to access a web service (Weblogic) – java.lang.LinkageError

I’ve installed Adobe LiveCycle for Weblogic 10.3.4, and when I try to access one of the web services it deployed, I’m getting the following exception: Exception – java.lang.LinkageError: loader constraint violation: when resolving interface method “javax.wsdl.Definition.getBinding(Ljavax/xml/namespace/QName;)Ljavax/wsdl/Binding;” the class loader (instance of weblogic/utils/classloaders/ChangeAwareClassLoader) of the current class, org/apache/axis/wsdl/fromJava/Emitter, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for … Read more

Using Plain type listener for WebLogic NodeManager

I have configured our managed servers (on WebLogic 10.3.5) to use SSL with custom identity/trust keystores and all that has been working fine. However, after completing the SSL configuration, we started getting some warning messages saying “Invalid/unknown SSL header was received from peer”. After looking through some articles online, the solution seemed to be setting … Read more

Resetting WebLogic admin password

I have faced an issue in reseting weblogic admin user password. Following are the steps i have executed in sequence.please help to understand why it is not working this way I have 2 managed instances running on two separate computers. Step 1. shutdown the admin server instance ( i did not shutdown the node manager … Read more

Is HTTP session state preserved during application upgrade using Oracle’s Weblogic hot deploy feature?

When performing hot deploy of a new version of a Java web app in Weblogic, does the application server preserve and transfer the HTTP session state from the old version to the newly deployed one? In other words, is there going to be any inconvenience (session lost) for a end-user who is transferred from old … Read more

Apache Location precedence with mod_wl_ohs.so

I’m running Oracle HTTP Server with mod_wl_ohs enabled. I have the following config: # Applications <Location /> SetHandler weblogic-handler WebLogicCluster mt2:7003,mt3:7003 </Location> # Admin Server and EM <Location /console> SetHandler weblogic-handler WebLogicHost mt1 WeblogicPort 7001 </Location> <Location /consolehelp> SetHandler weblogic-handler WebLogicHost mt1 WeblogicPort 7001 </Location> <Location /em> SetHandler weblogic-handler WebLogicHost mt1 WeblogicPort 7001 </Location> I … Read more

WebLogic JDBC – Profile Harvest Frequency Seconds

In the company I’m providing consulting services, when the database is updated by a process outside Weblogic Web Application, the updated data is not refreshed at once. Googling a bit I’ve found the following parameter in JDBC configuration: Profile Harvest Frequency Seconds The number of seconds between when WebLogic Server harvests profile data. When set … Read more

Apache mod_wl encoding issue for URI part

I’m using Apache2 in combination with mod_wl_20.so to loadbalance to 2 weblogic instances. Apache is listening on 7070. This plugin is partialy removing the encoding of my URI of some searches which have spaces in them. This is causing an issue on that webserver. You can see the problem in this piece of logging: ================New … Read more