3440104 - How to define the solrVersion property in the manifest.json [SOLR version 9 upgrade]

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One would like to upgrade the Solr 9. One can check the current version of Solr it in the Solr Admin Console:

After following the documentation about upgrading the Solr version - Upgrading Solr 8 to Solr 9 | SAP Help, the version was not upgraded on the CCv2 environment. Furthermore, below error may occurs:

javax.servlet.ServletException: javax.servlet.UnavailableException: Error processing the request. CoreContainer is either not initialized or shutting down.
     at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:162)
javax.servlet.ServletException: javax.servlet.UnavailableException: Error processing the request. CoreContainer is either not initialized or shutting down.
     at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:772) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[jetty-io-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[jetty-io-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[jetty-util-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) ~[jetty-util-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[jetty-util-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[jetty-util-9.4.53.v20231009.jar:9.4.53.v20231009]
     at java.lang.Thread.run(Thread.java:840) [?:?]
     at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626) ~[jetty-servlet-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[jetty-servlet-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.InetAccessHandler.handle(InetAccessHandler.java:177) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]
     at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146) ~[jetty-server-9.4.53.v20231009.jar:9.4.53.v20231009]

     ... 21 more

solrVersion, solr 9 upgrade, manifest.json, solr 9, , KBA , CEC-SCC-CLA-BUI , Build Process , How To