WebLogic - Chronicles of Technology

WebLogic

A collection of 29 posts

Oracle Container Registry Tips

Oracle Container Registry Tips

Oracle offers Container Registry, a large set of containerized Oracle licensed and open-source products. Unfortunately, this product is not the most user-friendly, and instructions on third-party sites do not improve the situation.

Database: Rolling Password Change

Oracle Database

Database: Rolling Password Change

Recently, I've found about great Oralce Database 21c feature: Gradual Password Rollover. Here is the best part it was backported to the Database 19c.

Getting JPS-01050 when starting WebLogic (cannot open wallet)

When starting up WebLogic after a network outage, we received the following exception: oracle.security.jps.JpsException: JPS-01050: Opening of wallet based credential store failed. Reason java.io.IOException at oracle.security.jps.internal.config.OpssCommonStartup.preStart(OpssCommonStartup.java:423) at oracle.security.jps.JpsStartup.preStart(JpsStartup.java:389) at

WLST script to monitor WebLogic status, heap, JDBC, and JMS

Do you want a custom script to send out an email that reports on your Oracle WebLogic Server status, heap, data source, and JMS information? If you want the an equivalent of the output below, all you need is a single crontab entry, a single bash script, and a single

Getting "The payload data size exceeds the configured payload threshold size" in WebLogic

An Oracle SOA Suite 12c composite was consuming files via inbound polling on the FTP Adapter. The file size was larger than 10MB and we got a Payload Size Exceeds Threshold. The payload data size: "" exceeds the configured payload threshold size: "": Option #1: Update the binding

Setting up single and multiple WebLogic NodeManagers in the same machine

If you have multiple Oracle WebLogic Server 12c domains on a single machine, can each domain have its dedicated Node Manager? Can a single Node Manager manage all the domains in this machine? Yes and yes. Multiple Node Managers on a Single Machine If you have multiple domains on your

Regenerating the 'DemoIdentity' certificate in WebLogic 12c

I recently encountered an Oracle WebLogic 12c environment that was installed 5 years ago, and whoever set it up at the time settled on using the included demo certificate created with the installation. Unfortunately, this demo cert expires after 5 years and now they are unable to start up their

WebLogic managed server RUNNING but with 'Failed' health

On Oracle SOA Suite 12c (and technically Oracle WebLogic Server 12c), I noticed that a couple of managed servers were in a RUNNING state but the health was reporting Failed. What could cause this particular scenario? In this domain, the TLOGs were persisted in the database and the Persistent Store

OutOfMemoryError when running bsu.sh

I was trying to apply a CPU (Critical Patch Update) on an older version of Oracle WebLogic Server, namely 11g (10.3.6). This is done through the bsu utility. I received the following OutOfMemory exception when trying to apply the patch: oracle@weblogicdev:/u01/oracle/middleware/utils/bsu>

Speeding up WLST

Speeding up WLST

Back in Java 7 days, when your WebLogic domain runs like a snail on a sunny meadow, you knew that you forgot to fix your random source. It is not quite a safe solution, plus it doesn't work for Java 8. One of the recent installations quite annoyed

DefaultDomain in SOA Studio 12.2.1.4

DefaultDomain in SOA Studio 12.2.1.4

I always struggle to configure internal WebLogic 12.2.x server and domain. Finally, Oracle Support helped me to complete the SOA/BPM Studio 12.2.1.4 configuration.

Using "utils.dbping" to test JDBC database connectivity

Using "utils.dbping" to test JDBC database connectivity

Recently I ran into a problem with an Oracle WebLogic Server data source. We were getting an IO Error: Connection reset in the console and logs when we try to start up the data source. I could connect to the target database using a client tool such as Oracle SQL

Sending test UMS notification fails due to missing JMS queue

I recently ran into a problem sending test email notifications from the Human Workflow Engine in Oracle SOA Suite 12.2. In the EM Console, if you navigate to SOA > soa-infra (soa_server1) > Service Engines > Human Workflow > Notification Management, you can click on the "Send

Quickest way to decrypt passwords in Oracle WebLogic Server 12c

There are lots of scripts online that show you how to decrypt WebLogic passwords. Some work on different versions of the product but not others. Here's the simplest, most straightforward approach to decrypting passwords in Oracle WebLogic Server 12c. This has been tested on Oracle WebLogic Server 12.

Filtering WebLogic log messages

There is a ton of documentation online on how to create WebLogic log filters. In this blog post, I describe how to easily filter out a repeating error that appears to be harmless. What harm is there keeping these entries in the log file? Why are we filtering them out

blowfish-cbc is not supported in FtpAdapter? Not true

We added a new JNDI to the FtpAdapter in Oracle SOA Suite 12.2.1.0.0, and upon execution of the SOA composite, received the error "blowfish-cbc is not supported". Blowfish is a cipher, and this generally should be configured within the adapter itself. Oracle Doc ID

Demo certificates in BPM 12c domain

Demo certificates in BPM 12c domain

We have found anotehr SSL hiccup in the BPM domain environment settings.

Secure Oracle HTTP Server 12c scripts

Secure Oracle HTTP Server 12c scripts

I always use custom certificates for the WebLogic servers and all the components. However, you may face connection issues with the custom NodEManager security configuration.

Start OHS 12c no questions asked

Start OHS 12c no questions asked

By default, when you start domain component, such as Oracle HTTP Server instance, script prompts you for the NodeManager password. It is good security-wise, not so great for the automation.

Deployment exception because operation cannot be performed until the WebLogic server is restarted

Problem: I tried to create a datasource on Oracle WebLogic 12.1.3, but encountered the following error on the WebLogic Admin Console: The full error stack in AdminServer.log: ####<Sep 26, 2019 10:25:07 AM MDT> <Error> <Console> <soahost1> <

Force shutdown in stopWebLogic.sh

The WebLogic stop scripts stopWebLogic.sh and stopManagedWebLogic.sh do not "force" a shutdown when being called. This means that you could be waiting indefinitely until all transactions are completed. It is probably best to configure these scripts to force=true. This only takes effect when you manually

WebLogic AdminServer startup hanging at "Initializing self-tuning thread pool"

Starting up the AdminServer on Oracle WebLogic Server 11g hung indefinitely at the log entry "Initializing self-tuning thread pool". There was planned maintenance on the network, so we suspect it may (or may not) have been related to that. This is the snippet from the output of startWebLogic.

Modify startManagedWebLogic.sh after unpacking to 2nd host

After packing a WebLogic domain on the first host and unpacking it on the second host, I noticed an interesting behavior. After this was done, I attempted to start up a managed server on the second host on the command line via the startManagedWebLogic.sh script. For example: nohup $DOMAIN_

BEA-000362 and Consensus Leasing in WebLogic

If you start up a WebLogic managed server using the startManagedWebLogic.sh script, you may see the following exception in the logs: <Apr 14, 2019 2:34:42,929 PM EDT> <Critical> <ConsensusLeasing> <BEA-000001> <Server must be started by Node Manager

Getting activation error on GridLink data source in WebLogic 12.2.1.3

Problem: When creating a GridLink data source in Oracle WebLogic Server 12.2.1.3, you may receive an activation error. An error occurred during activation of changes, please see the log for details. [Deployer:149189]An attempt was made to execute the "activate" operation on an application