weblogic.xml.process.XMLProcessingException: Error: For EJB modules, deployment plan overrides are not supported with DTD based deployment descriptors. The EJB module prbeans.jar is attempting to apply a deployment plan to DTD based descriptors. Please update your EJB deployment descriptors to be schema
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Issue while creating datasource on Weblogic Server
In Weblogic Sometimes when you try add datasource to cluster group it fails with following error, which might be due to process limit on database side. WLS Console Error ============== Caused by: java.lang.Throwable: Substituted for the exception oracle.net.ns.NetException which lacks
Continue readingWhat is Kerberos?
Three parties are involved in Kerberos Based Authentication – Client, Server and a Kerberos Distribution Centre. The diagram below clearly demonstrates how the interactions between the three parties happen. 1 – Client requests for a TGT (Ticket to Get Tickets)
Continue readingSilent Installation of WebLogic Server
The below post describes about the Silent Installation of Oracle WebLogic Server 11g. Silent mode installation allows you to define an installation configuration file called silent.xml, based upon which the required components are installed. This does not provide any configuration
Continue readingNot able to configure Error Page?
Customers have often reported issues that they are not able to configure error page even though the do the configuration in the web.xml correctly web.xml <?xml version=’1.0′ encoding=’UTF-8′?> <web-app xmlns=”http://java.sun.com/xml/ns/j2ee” xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”> <display-name>TestApplication</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <error-page> <error-code>404</error-code> <location>/error.jsp</location> </error-page> <error-page>
Continue readingEnabling and Disabling Weblogic Admin Console
Disabling and Enabling Admin Console Many at times for most of our administration work including the changes (deployments, start/stop of servers, etc) or configurations (JMS, creation/deletion/editing of our servers, etc) we use our weblogic admin console. But, for security reasons
Continue readingDifferent Out Of Memory Issues
* Exception in thread “CompilerThread1” java.lang.OutOfMemoryError: requested 793020 bytes for Chunk::new. Out of swap space? Out of memory while reading in symbol table of /apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl ( 0) 0xc8461230 [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 1) 0xc80a5fec [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 2) 0xc7f00420 [/apps/bea/weblogic92/jdk1.5.0.18/opt/java1.5/jre/lib/PA_RISC2.0/server/libjvm.sl] ( 3) 0xc7f00ca0
Continue readingIntegrate YourKit Java Profiler with a standalone Weblogic Server
YourKit Java Profiler is a CPU and memory profiler that makes it easy to solve wide range of CPU- and memory-related performance problems. It features automatic leak detection, powerful tools for the analysis of memory distribution, an object heap browser,
Continue readingComparison Between Cluster Multicast Messaging and Unicast Messaging Mode
When servers are in a cluster, these member servers communicate with each other by sending heartbeats and indicating that they are alive. For this communication between the servers, either unicast or multicast messaging is used. This is chosen from the
Continue readingCreating wlfullclient.jar For Client Applications
Prior to the release of weblogic server 10.0, weblogic.jar file could be bundled with the client applications to use some advanced features like: – Enhanced JDBC and WLS specific JMX interfaces – WLS t3 and iiop client (For information on
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