@mozzy have you tried to check the logs for any clues in the error logs? The value of the class tag for the extension in the config.xml file seems wrong to me because it contains no moduleId
FYI you should be using @MODULE_PACKAGE@ and not ${MODULE_PACKAGE} in the config.xml which would mean you don’t have to explicitly include the module id as I had mentioned before.
java.lang.NoClassDefFoundError: org/openmrs/module/web/extension/AdministrationSectionExt
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:645)
at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:564)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.openmrs.module.Module.expandExtensionNames(Module.java:567)
at org.openmrs.module.Module.getExtensions(Module.java:494)
at org.openmrs.module.ModuleFactory.startModuleInternal(ModuleFactory.java:704)
at org.openmrs.api.context.Daemon$1.run(Daemon.java:74)
Caused by: java.lang.ClassNotFoundException: org.openmrs.module.web.extension.AdministrationSectionExt
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1713)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1558)
at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:571)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 16 more
but i had alSO tried out to include the module id LIKE
<extension>
<point>org.openmrs.admin.list</point>
<class>org.openmrs.module.basicmodule.extension.html.AdminList</class>
</extension>
, but it still fails
The error logs are very clear, you are specifying the wrong class name which is omitting the moduleId, just make sure you are setting the correct one whether it means directly pasting the fully qualified java class name without using the placeholders. In theory if you wish to use placeholders some like below should work, using the one with @@ is older style.
thx but ive discovered the problem is not with the extension class tag in the the config.xmlfile…
but its with the
“org.openmrs.module.web.extension.AdministrationSectionExt” which we must extend to. it seems the class sourcecode doesnt exist in the project.
this iswat it says wen i hover over it
org.openmrs.module.web.extension.AdministrationSectionExt
Note: This element has no attached Javadoc and the Javadoc could not be found in the attached source.
and now this is the error in the log
java.lang.NoClassDefFoundError: org/openmrs/module/web/extension/AdministrationSectionExt
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:645)
at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:564)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.openmrs.module.Module.expandExtensionNames(Module.java:567)
at org.openmrs.module.Module.getExtensions(Module.java:494)
at org.openmrs.module.ModuleFactory.startModuleInternal(ModuleFactory.java:704)
at org.openmrs.api.context.Daemon$1.run(Daemon.java:74)
Caused by: java.lang.ClassNotFoundException: org.openmrs.module.web.extension.AdministrationSectionExt
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1713)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1558)
at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:571)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)