I’m attempting to stand up a community instance of reportserver but am receiving a class file version error. I am running (as far as I can see) the latest version of everything that should be supported for reportserver yet I receive an error stating my version isn’t high enough. Any suggestions?
Ubuntu 24.04.2 LTS - Hyper-V Virtual Machine, 8GB RAM, 4 Processors, 100GB HDD
java -version
openjdk version “17.0.15” 2025-04-15
OpenJDK Runtime Environment (build 17.0.15+6-Ubuntu-0ubuntu124.04)
OpenJDK 64-Bit Server VM (build 17.0.15+6-Ubuntu-0ubuntu124.04, mixed mode, sharing)
update-java-alternatives -l
java-1.17.0-openjdk-amd64 1711 /usr/lib/jvm/java-1.17.0-openjdk-amd64
Apache Tomcat Version 11.0.8
25-Jun-2025 02:00:14.528 SEVERE [main] org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class [net.datenwerke.rs.ReportServerServiceConfig]
java.lang.UnsupportedClassVersionError: net/datenwerke/rs/ReportServerServiceConfig has been compiled by a more recent version of the Java Runtime (class file version 64.0), this version of the Java Runt
at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2174)
at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:696)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1189)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1059)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:474)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:457)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3943)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4438)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:566)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1087)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1853)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:998)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:383)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1582)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:265)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:109)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:389)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:336)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:743)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:769)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1164)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1160)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:716)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:203)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1164)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1160)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:716)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:203)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:412)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:866)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
at org.apache.catalina.startup.Catalina.start(Catalina.java:759)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:342)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)
25-Jun-2025 02:00:14.528 SEVERE [main] org.apache.catalina.core.StandardContext.listenerStart Skipped installing application listeners due to previous error(s)Thanks in advance!
J