royassis opened a new issue, #2288:
URL: https://github.com/apache/jena/issues/2288

   ### Version
   
   5.0.0-rc1
   
   ### What happened?
   
   I am trying to add the server enhancer plugin to fuseki server as described 
here:  
   https://jena.apache.org/documentation/query/service_enhancer.html
   
   I downloaded the .jar file from here:  
   
https://mvnrepository.com/artifact/org.apache.jena/jena-serviceenhancer/5.0.0-rc1
   
   And placed it in 
`/home/ubuntu/apache/apache-jena-fuseki-5.0.0-rc1/run/extra`.
   
   Getting the error attached below:
   
   
   
   ### Relevant output and stacktrace
   
   ```shell
   Exception in thread "main" java.lang.NoClassDefFoundError: 
com/google/common/cache/CacheBuilder
           at 
org.apache.jena.sparql.service.enhancer.impl.ServiceResponseCache.<init>(ServiceResponseCache.java:59)
           at 
org.apache.jena.sparql.service.enhancer.impl.ServiceResponseCache.<init>(ServiceResponseCache.java:53)
           at 
org.apache.jena.sparql.service.enhancer.init.ServiceEnhancerInit.init(ServiceEnhancerInit.java:90)
           at 
org.apache.jena.sparql.service.enhancer.init.ServiceEnhancerInit.start(ServiceEnhancerInit.java:81)
           at 
org.apache.jena.base.module.Subsystem.lambda$initialize$1(Subsystem.java:117)
           at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
           at org.apache.jena.base.module.Subsystem.forEach(Subsystem.java:193)
           at org.apache.jena.base.module.Subsystem.forEach(Subsystem.java:169)
           at 
org.apache.jena.base.module.Subsystem.initialize(Subsystem.java:115)
           at org.apache.jena.sys.JenaSystem.init(JenaSystem.java:89)
           at arq.cmdline.CmdARQ.<clinit>(CmdARQ.java:29)
           at org.apache.jena.fuseki.cmd.FusekiCmd.main(FusekiCmd.java:65)
   Caused by: java.lang.ClassNotFoundException: 
com.google.common.cache.CacheBuilder
           at 
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
           at 
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
           at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
           ... 12 more
   ```
   ```
   
   
   ### Are you interested in making a pull request?
   
   No


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