Merge pull request #4520 from EnterpriseDB/efm/redhat-java-workaround

Adding warning message about openjdk 11 issue on redhat
EnterpriseDB · Sep 8, 2023 · ae63998 · ae63998 · github-actions · Sep 8, 2023
2 parents 24a9087 + 350c8bd
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diff --git a/product_docs/docs/efm/4/13_troubleshooting.mdx b/product_docs/docs/efm/4/13_troubleshooting.mdx
@@ -1,6 +1,6 @@
 ---
 title: "Troubleshooting"
-redirects: 
+redirects:
  - ../efm_user/13_troubleshooting
 legacyRedirectsGenerated:
   # This list is generated by a script. If you need add entries, use the `legacyRedirects` key.
@@ -47,3 +47,9 @@ openjdk version "1.8.0_191"
 OpenJDK Runtime Environment (build 1.8.0_191-b12)
 OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode)
 ```
+!!! Note
+    There is a temporary issue with OpenJDK version 11 on RHEL and its derivatives. When starting Failover Manager, you may see an error like the following:
+
+    `java.lang.Error: java.io.FileNotFoundException: /usr/lib/jvm/java-11-openjdk-11.0.20.0.8-2.el8.x86_64/lib/tzdb.dat (No such file or directory)`
+
+    If so, the workaround is to manually install the missing package using the command `sudo dnf install tzdata-java`
diff --git a/product_docs/docs/efm/4/installing/prerequisites.mdx b/product_docs/docs/efm/4/installing/prerequisites.mdx
@@ -17,6 +17,13 @@ Before configuring a Failover Manager cluster, you must satisfy the prerequisite
 
 Before using Failover Manager, you must first install Java (version 1.8 or later). Failover Manager is tested with OpenJDK, and we strongly recommend installing that version of Java. [Installation instructions for Java](https://openjdk.java.net/install/) are platform specific.
 
+!!! Note
+    There is a temporary issue with OpenJDK version 11 on RHEL and its derivatives. When starting Failover Manager, you may see an error like the following:
+
+    `java.lang.Error: java.io.FileNotFoundException: /usr/lib/jvm/java-11-openjdk-11.0.20.0.8-2.el8.x86_64/lib/tzdb.dat (No such file or directory)`
+
+    If so, the workaround is to manually install the missing package using the command `sudo dnf install tzdata-java`
+
 ## Provide an SMTP server
 
 You can receive notifications from Failover Manager as specified by a user-defined notification script, by email, or both.