This error is in the server logs after upgrade to 14.5
Exception in thread "main" org.jboss.modules.ModuleLoadException: Error loading module from /opt/ca/wildflycl00/wildfly23/modules/system/layers/base/org/jboss/as/server/main/module.xml
at org.jboss.modules.xml.ModuleXmlParser.parseModuleXml(ModuleXmlParser.java:337)
at org.jboss.modules.xml.ModuleXmlParser.parseModuleXml(ModuleXmlParser.java:293)
at org.jboss.modules.xml.ModuleXmlParser.parseModuleXml(ModuleXmlParser.java:254)
at org.jboss.modules.LocalModuleFinder.parseModuleXmlFile(LocalModuleFinder.java:250)
at org.jboss.modules.LocalModuleFinder.lambda$findModule$1(LocalModuleFinder.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at org.jboss.modules.LocalModuleFinder.findModule(LocalModuleFinder.java:195)
at org.jboss.modules.ModuleLoader.findModule0(ModuleLoader.java:700)
at org.jboss.modules.ModuleLoader.findModule(ModuleLoader.java:693)
at org.jboss.modules.ModuleLoader.loadModuleLocal(ModuleLoader.java:503)
at org.jboss.modules.DelegatingModuleLoader.preloadModule(DelegatingModuleLoader.java:57)
at org.jboss.modules.Module.addPaths(Module.java:1274)
at org.jboss.modules.Module.link(Module.java:1644)
at org.jboss.modules.Module.relinkIfNecessary(Module.java:1672)
at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:303)
at org.jboss.modules.Main.main(Main.java:371)
Caused by: org.jboss.modules.xml.XmlPullParserException: Failed to add resource root 'unnamed' at path 'wildfly-version-7.0.0.Final.jar' (position: END_TAG seen ...esources>\n\n<resource-root path="wildfly-version-7.0.0.Final.jar"/>... @4:56) caused by: java.io.FileNotFoundException: /opt/ca/wildflycl00/wildfly23/modules/system/layers/base/org/jboss/as/server/main/wildfly-version-7.0.0.Final.jar (No such file or directory)
at org.jboss.modules.xml.ModuleXmlParser.parseResourceRoot(ModuleXmlParser.java:1121)
at org.jboss.modules.xml.ModuleXmlParser.parseResources(ModuleXmlParser.java:932)
at org.jboss.modules.xml.ModuleXmlParser.parseModuleContents(ModuleXmlParser.java:697)
at org.jboss.modules.xml.ModuleXmlParser.parseDocument(ModuleXmlParser.java:469)
at org.jboss.modules.xml.ModuleXmlParser.parseModuleXml(ModuleXmlParser.java:335)
... 15 more
Caused by: java.io.FileNotFoundException: /opt/ca/wildflycl00/wildfly23/modules/system/layers/base/org/jboss/as/server/main/wildfly-version-7.0.0.Final.jar (No such file or directory)
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:225)
at java.util.zip.ZipFile.<init>(ZipFile.java:155)
at java.util.jar.JarFile.<init>(JarFile.java:166)
at java.util.jar.JarFile.<init>(JarFile.java:145)
at org.jboss.modules.xml.JDKSpecific.getJarFile(JDKSpecific.java:33)
at org.jboss.modules.xml.ModuleXmlParser$DefaultResourceRootFactory.createResourceLoader(ModuleXmlParser.java:1618)
at org.jboss.modules.LocalModuleFinder.lambda$new$0(LocalModuleFinder.java:103)
at org.jboss.modules.xml.ModuleXmlParser.parseResourceRoot(ModuleXmlParser.java:1119)
Identity Manager 14.5
The original module.xml was copied and named module.xml.bak
In the new module.xml referenced
position: END_TAG seen ...esources>\n\n<resource-root path="wildfly-version-7.0.0.Final.jar"/>
We changed it to the backup so that it would reference: <resource-root path="wildfly-version-15.0.1.Final.jar"/>
This allowed the server to continue to start.