OJVM

CSPU on MS Windows conflicts with OJVM for 19.32

Several of you mailed me already, and I tried to sort this out internally at first. We ask you to patch monthly, and it is amazing to see that some of you are ready to do this. It just gets a bit frustrating when you run into an issue such as this one where the CSPU on MS Windows conflicts with OJVM for 19.32.

CSPU on MS Windows conflicts with OJVM for 19.32

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What happened?

This blog post is meant more to avoid frustration than to solve the issue. As of now, I am not sure if there is a MOS …

Does OJVM patching fail again with ORA-1403 in 19.31?

Posted on May 15, 2026 by Mike.Dietrich JVM Patch Recommendation 8

Some of you had been trapped by ORA-1403 during patching to Oracle Database 19.30. I blogged about this in February this year, and I had to update the blog post a few times until we collected all the issues. The root cause got fixed and included in Release Update 19.31. But over the past days I received a good number of messages about the issue being there in 19.31 again. So, does OJVM patching fail again with ORA-1403 in 19.31?. Yes, and no.

Does OJVM patching fail again with ORA-1403 in 19.31?

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Why do some see the error again?

First of …

April 2026 Release Updates (RUs) 19.31 and 23.26.2 are delayed

Posted on April 23, 2026 by Mike.Dietrich Patch Recommendation 69

Yesterday, I delivered a full-day workshop for ora2know in Düsseldorf. And we discussed the most recent RUs as well, especially since “Database Patching” consumed a significant part of the day content-wise. I learned that the RUs have now a target date of April 28 for Linux, and May 12 for other ports. Which means that the April 2026 Release Updates (RUs) 19.31 and 23.26.2 are delayed.

April 2026 Release Updates (RUs) 19.31 and 23.26.2 are delayed

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Why are the April 2026 Release Updates (RUs) 19.31 and 23.26.2 delayed?

I don’t know the reason, and there is (as far as I can see) no official …

OJVM patching fails with ORA-1403 in 19.30 if JAVAVM is not installed

Posted on February 12, 2026 by Mike.Dietrich Flaws and Pitfalls JVM Patch Recommendation 107

Thanks to all the people (Jeff, Daniele, Lothar and others) who alerted me about this topic. Some of you had even created their own fix already. So, this is about an issue which happens only if you have no JAVAVM installed in your database or PDB but you still apply the OJVM Bundle on to of the Oracle Database 19.30 Release Update. You may find then: OJVM patching fails with ORA-1403 in 19.30 if JAVAVM is not installed.

OJVM patching fails with ORA-1403 in 19.30 if JVM is not installed

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When does this happen?

This issue happens when you apply the OJVM bundle together with …

DST Time Zone Patches missing in 23ai Release Updates

Posted on April 14, 2025 by Mike.Dietrich Patch Recommendation Time Zone - DST 8

We work right now with a number of customers going live or being live on Oracle Database 23ai already. And tomorrow will be the release date for the quarterly Release Update, in this case for Oracle Database 23.8.0. But you should be aware of one thing: DST Time Zone Patches missing in 23ai Release Updates.

DST Time Zone Patches missing in 23ai Release Updates

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Time Zone patches and RUs?

In January 2023 I blogged about the inclusion of DST Time Zone patches in Release Updates. But later I learned that this applied only to Oracle Database 19c, and not to 21c. I …

Why isn’t the newest JDK in this Oracle Release Update?

Posted on June 20, 2024 by Mike.Dietrich Best Practice 7

Quick blog post only since I received this question 3x this week in various ways from customers. Why isn’t the newest JDK in this Oracle Release Update? Let me try to answer and explain it.

Photo by Jan Kronies on Unsplash

JDK in the Oracle Home

Actually, when you look at your Oracle Home, you will find a subdirectory:

/u01/app/oracle/product/19/jdk
$ tree -L 1
.
├── bin
├── COPYRIGHT
├── include
├── javafx-src.zip
├── jmc.txt
├── jre
├── jvisualvm.txt
├── legal
├── lib
├── LICENSE
├── README.html
├── release
├── THIRDPARTYLICENSEREADME-JAVAFX.txt
└── THIRDPARTYLICENSEREADME.txt

And in the bin directory, there is …

A patch (RU, OJVM, 32-bit) is not available yet – where will I find information?

Posted on March 7, 2023 by Mike.Dietrich Patch Recommendation Release Schedule 2

A longer while ago I wrote a blog post about the topic that a patch (RU, OJVM, 32-bit) is not available yet – where will I find information? But I wrote it too specific. And it is even hard for me to find my older blog post. Since several of you mailed me the past weeks with a variety of questions regarding patch availability I decided to write down my thoughts – but this time in a more generic way. And I hope it is helpful.

Photo by Vasily Koloda on Unsplash

Why are patches missing?

At first, I …

Patching all my environments with the October 2022 Bundle Patches

Posted on November 9, 2022 by Mike.Dietrich Patch Recommendation 56

Oh yes, it is patching time (again). And this time I somehow missed the slot since the quarterly critical patch updates got released right during Oracle Cloud World. Since I didn’t want to stretch the hotel WiFi too much – and since I wouldn’t have had enough time to install and write-up this blog post, I do it now with a week of delay. So as usual every quarter, follow me for patching all my environments with the October 2022 Bundle Patches.

Patching all of my environments with the October 2022 Bundle Patches

Photo by Olga Guryanova on Unsplash

As usual, an important annotation upfront: I patch in-place due to …

Simple database installation with applyRU and applyOneOffs

Posted on May 17, 2022 by Mike.Dietrich Installation Patch Recommendation 33

Some of you may remember my blog post from April 22, 2021 about issues I saw with the unattended installation using applyRU and applyOneOffs switches. The installation failed with a strange jox error when I passed on the OJVM bundle to my installation queue. But there is relief – finally, after almost one year. So let me give you some background, and of course show you the workaround for the Simple database installation with applyRU and applyOneOffs.

Simple database installation with applyRU and applyOneOffs

Photo by Xan Griffin on Unsplash

What has happened?

A longer while ago, we introduced the very convenient ability to install patches …

Patching all my environments with the April 2022 Patch Bundles

Posted on April 25, 2022 by Mike.Dietrich Patch Recommendation 37

Easter time is patching time. And since I was hiking and biking every day the last week up in the Northern Italian mountains, this blog post is coming with a slight delay. But better late than never. Time to show you my usual exercise, this time Patching all my environments with the April 2022 Patch Bundles.

Patching all my environments with the April 2022 Patch Bundles

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As usual, an important annotation upfront: I patch in-place due to space issues. But in reality, you please patch always out-of-place with a separate home. Please see this blog post about how to apply the RU …

Upgrading a PDB with JVM may result in ORA-7445 joevm_invokevirtual

Posted on September 29, 2021 by Mike.Dietrich Flaws and Pitfalls JVM 3

As you know, this blog is also my brain dump about Oracle topics. Since this one happened yesterday, mostly at night with the help of my team mates and the Java team, I’d like to write it down into this blog post: Upgrading a PDB with Java may result in ORA-7445 joevm_invokevirtual() as it is still fresh and may affect you as well. If you don’t have PDBs, if you don’t have Java (or JVM) in it or if you upgraded already to Oracle Database 19c, you can stop reading now.

Upgrading a PDB with Java may result in ORA-7445 joevm_invokevirtual

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What

Oracle 19c Installation with 19.11.0 RU, OJVM and some other fixes

Posted on April 22, 2021 by Mike.Dietrich Installation Oracle Database 19c Patch Recommendation 40

In an previous blog post we showed how to install and patch in one single action. And as I use this technique all the time when I setup new homes, would like to show you an Oracle 19c Installation with 19.11.0 RU, OJVM and some other fixes. The purpose of this blog post is mainly to demonstrate again how you can install and patch in one action. But also to help you avoiding a pitfall when you apply the OJVM RU from April 2021.

Oracle 19c Installation with 19.11.0 RU, OJVM and some other fixes

Photo by Sammy Williams on Unsplash

What do we need?

At first, let us …

Do you need the Mitigation Patch in CDB$ROOT and all PDBS?

Posted on January 25, 2021 by Mike.Dietrich JVM Patch Recommendation 10

Thanks to Axel Delin for asking this very reasonable question on the blog. Do you need the Mitigation Patch in CDB$ROOT and all PDBS? Background for this question is that Axel can’t remove JVM but doesn’t use it. A typical case we cover in our slides and presentations as well. And in this case, the Mitigation Patch will become your friend. Please note: If you DON’T have JAVAVM in your database, you won’t need to pay attention and instead could stop reading now.

Photo by Mick Truyts on Unsplash

Mitigation Patch

You can read more about the Mitigation Patch, and …

Patching all my environments with the January 2021 OJVM Bundles

Posted on January 22, 2021 by Mike.Dietrich JVM Patch Recommendation 10

You may have read my blog post from the other day about patching my environments with the January 2021 Release Updates. But as I installed now Java in all my databases for testing purposes, I will quickly demonstrate how Patching all my environments with the January 2021 OJVM Bundles works.

Patching all my environments with the January 2021 OJVM Bundles

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Security Alert January 2021

Let me start with the Security Alert for January 2021. And don’t forget to take a look at the Oracle Database Server Risk Matrix for January 2021. This time, the is a 4.8 risk score issue with …

OJVM datapatch fails with ORA-29532 – but the root cause is noncdb_to_pdb.sql

Posted on April 20, 2020 by Mike.Dietrich Flaws and Pitfalls JVM 2

Kudos to Robert Ortel who brought this nice misbehavior to my attention. And even though it looks like this would be an OJVM issue, it is caused by noncdb_to_pdb,sql, the script which is used to convert a non-CDB to a PDB. When you apply an OJVM patch, OJVM datapatch fails with ORA-29532 – but the root cause is noncdb_to_pdb.sql.

OJVM datapatch fails with ORA-29532 - but the root cause is noncdb_to_pdb.sql

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It’s a bit tricky

First things first. This is not a blog post to blame OJVM. The problem just happens because datapatch for an OJVM patch touches data in the dictionary which hasn’t …

OJVM and the Mitigation Patch – Things to know in 2020

Posted on March 31, 2020 by Mike.Dietrich JVM 10

Today my headline sounds a bit like “Little Red Riding Hood and the Big Bad Wolf” – but there is a reason why I’d like to write about about OJVM and the Mitigation Patch – Things to know in 2020. We are working with a customer right now where preupgrade.jar gave a warning about the existence of the Mitigation patch in an 11.2.0.4 home – despite the fact that JAVAVM is not configured in this database. And this looked strange to us.

Photo by Šárka Jonášová on Unsplash

Mitigation Patch?

A quick search on my blog shows me that …

Issues with seed databases, patch bundles and OJVM in 19c

Posted on February 18, 2020 by Mike.Dietrich Flaws and Pitfalls JVM 15

I really rely on people telling me about issues they saw. And in this case, it happened twice within a few days. At OOW London, a customer came after my talk and told me about invalid objects and an incredible long recompilation time. In fact, he had to apply an OJVM patch in order to solve this. When I returned home, Jure commented on the blog about a very similar issue. I spent some time on the weekend to check it out. And I realized: There are issues with prebuilt seed databases and OJVM in 19c.

Issues with seed databases, patch bundles and OJVM in 19c

Photo by Max

Do you need to apply OJVM patches to Grid Infrastructure?

Posted on January 24, 2020 by Mike.Dietrich ASM / RAC / GI Patch Recommendation 19

From time to time, when I discuss OJVM patching with customers, I hear the following question: Do you need to apply OJVM patches to Grid Infrastructure? I’m carrying around this topic since months actually.

Do you need to apply OJVM patches to Grid Infrastructure?

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A quick MOS check

Well, you’d assume this is something MOS does give you an answer within fractions of a second. But nope. I found a lot but unfortunately not what I was looking for. What I found instead where community discussions where applying OJVM patches to a 12.1.0.2 GI installation corrupted the inventory. Hence, there seems to be some …

Do you need STARTUP UPGRADE for OJVM?

Posted on January 23, 2020 by Mike.Dietrich JVM Patch Recommendation 10

Actually I carry around this topic with me since the October 2019 workshop in Dubai. We’ve had one of these OJVM Patching discussions I’d like to escape usually. Anyhow, during this session, it dawned me that the STARTUP UPGRADE requirement in the OJVM readme may be not correct anymore. So the question will be: Do you need STARTUP UPGRADE for OJVM?

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A little bit of history

You will find a good amount of blog posts about OJVM here. OJVM stands for Oracle Java Virtual Machine. It is a very powerful thing and allows you …

Patching all my environments with the January 2020 Patch Bundles

Posted on January 22, 2020 by Mike.Dietrich Patch Recommendation 40

I was traveling last week and had not enough time to download and apply the January 2020 Release Updates and PSUs. Yes, I’m one week late. But nevertheless, I’d like to check whether patching my databases with the January 2020 RUs will work fine.

Patching all my environments with the January 2020 Patch Bundles

Wörthsee near Munich in January 2020 – Water temperature is 3.4°C

Security Alert January 2020

My usual approach is to start with the Security Alerts for January 2020. It leads me to the January 2020 Critical Patch Advisory. As I’m a database guy, this is the line I’m interested in: Oracle Database Server, versions 11.2.0.4, …

Does OJVM patching require a specific Database Release Update?

Posted on December 12, 2018 by Mike.Dietrich JVM 0

This question came up several times in the past days: Does OJVM patching require a specific Database Release Update? People mentioned that there’s a significant difference between the OJVM Patch Readme between Oracle 12.2.01 and Oracle 18.4.0.

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What’s the point?

In the OJVM (Oracle Java Virtual Machine) Patch Readme for Oracle Database 12.2.0.1 a sentence clarified that you can combine different states of OJVM and Database patch bundle with each other. Your database home could have been patched with the April 2018 Update, whereas you decided to apply the October 2018 OJVM patch.

The …

Oracle 18.3.0 on premises includes 1.4GB patches?

Posted on July 27, 2018 by Mike.Dietrich Oracle Database 18c 13

Oracle Database 18.3.0 on premises is available for download on Linux since July 23, 2018. The other ports will follow soon. And via twitter I received a question why Oracle 18.3.0 on premises includes 1.4GB patches?

Oracle 18.3.0 on premises includes 1.4GB patches?

When you unzip the downloaded database image:

then you may discover the following folder .patch_storage of 1.4GB size:

[oracle@localhost .patch_storage]$ ls -lrt
total 40
drwxr-xr-x. 4 oracle dba 4096 Jul 18 19:39 28090523_Jul_14_2018_00_03_50
drwxr-xr-x. 4 oracle dba 4096 Jul 18 19:40 28090553_Jul_11_2018_19_20_31
drwxr-xr-x. 4 oracle dba 4096 Jul 18 19:41 27923415_Jul_15_2018_10_33_22
drwxr-xr-x. 8 oracle dba 4096

Are OJVM patches included in the Oracle 12.2 RU / RUR?

Posted on October 20, 2017 by Mike.Dietrich JVM Patch Recommendation 0

I have received this question multiple times in the past days, especially when I presented at the Slovenian Oracle User Group Conference about the new Release and Patching Mode but also via emaill: Are OJVM patches included in the Oracle 12.2 RU / RUR? Let me clarify this in the below blog post.

Are OJVM patches included in the Oracle 12.2 RU / RUR?

At first I did check MOS Note: 1929745.1 – Oracle Recommended Patches — “Oracle JavaVM Component Database PSU and RU” (OJVM PSU and OJVM RU) Patches.But besides having RU mentioned in the Note’s title and …

JAVAVM and XML Clean Up in Oracle Database 11.2-19c

Posted on August 7, 2017 by Mike.Dietrich JVM Removal 25

JAVAVM and XML clean up in Oracle Database 11.2-19c is a tough topic. Many have suffered from the rolling patch upgrade issues with the OJVM (Oracle Java Virtual Machine) even though most of the issues have been cured with the recent patches.

Please see my previous blog posts starting here:

And please see also this very important MOS Note: 2217053.1 – RAC Rolling Install Process for the “Oracle JavaVM Component Database …

The OJVM Patching Saga – and how to solve it – Part V

Posted on February 16, 2017 by Mike.Dietrich JVM Patch Recommendation 5

MOS Note released explaining patching without STARTUP UPGRADE mode

An important note regarding OJVM rolling patching has been published on MyOracle Support:

MOS Note: 2217053.1
RAC Rolling Install Process for the “Oracle JavaVM Component Database PSU” (OJVM PSU) Patches

“Beginning with the Jan2017 OJVM PSU patchset for 11.2.0.4 and

OJVM

What happened?

Why do some see the error again?

Why are the April 2026 Release Updates (RUs) 19.31 and 23.26.2 delayed?

When does this happen?

Time Zone patches and RUs?

JDK in the Oracle Home

Why are patches missing?

What has happened?

What

What do we need?

Mitigation Patch

Security Alert January 2021

It’s a bit tricky

Mitigation Patch?

A quick MOS check

A little bit of history

Security Alert January 2020

What’s the point?

Oracle 18.3.0 on premises includes 1.4GB patches?

Are OJVM patches included in the Oracle 12.2 RU / RUR?

Related Posts on “The OJVM Patching Saga – and how to solve it“:

MOS Note released explaining patching without STARTUP UPGRADE mode

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