java.lang.UnsupportedClassVersionError: org/opensolaris/opengrok/web/WebappListener : Unsupported major.minor version 52.0 (unable to load class org.opensolaris.opengrok.web.WebappListener)

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via GitHub by PawanKulkarniS
, 1 year ago
org/opensolaris/opengrok/web/WebappListener : Unsupported major.minor version 52.0 (unable to load class org.opensolaris.opengrok.web.WebappListener)
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org/apache/usergrid/rest/ShutdownListener : Unsupported major.minor version 52.0 (unable to load class org.apache.usergrid.rest.ShutdownListener)
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via GitHub by tudorache
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edu/stanford/bmir/protege/web/server/WebProtegeInitializer : Unsupported major.minor version 52.0 (unable to load class edu.stanford.bmir.protege.web.server.WebProtegeInitializer)
via Google Groups by Frank Huster, 1 week ago
org/motechproject/server/impl/OsgiListener : Unsupported major.minor version 52.0 (unable to load class org.motechproject.server.impl.OsgiListener)
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java.lang.UnsupportedClassVersionError: org/opensolaris/opengrok/web/WebappListener : Unsupported major.minor version 52.0 (unable to load class org.opensolaris.opengrok.web.WebappListener)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2905)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1170)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1678)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:133)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:618)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:963)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)

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