com.google.common.util.concurrent.UncheckedExecutionException: java.lang.IllegalStateException: Unable to load cache item
com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2051)
com.google.common.cache.LocalCache.get(LocalCache.java:3951)
com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3974)
com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4958)
com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4964)
com.google.inject.internal.FailableCache.get(FailableCache.java:54)
com.google.inject.internal.ConstructorInjectorStore.get(ConstructorInjectorStore.java:49)
com.google.inject.internal.ConstructorBindingImpl.initialize(ConstructorBindingImpl.java:155)
com.google.inject.internal.InjectorImpl.initializeBinding(InjectorImpl.java:592)
com.google.inject.internal.AbstractBindingProcessor$Processor.initializeBinding(AbstractBindingProcessor.java:173)
com.google.inject.internal.AbstractBindingProcessor$Processor.lambda$scheduleInitialization$0(AbstractBindingProcessor.java:160)
com.google.inject.internal.ProcessedBindingData.initializeBindings(ProcessedBindingData.java:49)
com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:124)
com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:108)
com.google.inject.Guice.createInjector(Guice.java:87)
com.google.inject.Guice.createInjector(Guice.java:78)
play.api.inject.guice.GuiceBuilder.injector(GuiceInjectorBuilder.scala:200)
play.api.inject.guice.GuiceApplicationBuilder.build(GuiceApplicationBuilder.scala:155)
play.api.inject.guice.GuiceApplicationLoader.load(GuiceApplicationLoader.scala:21)
play.core.server.DevServerStart$$anon$1.$anonfun$reload$2(DevServerStart.scala:193)
play.utils.Threads$.withContextClassLoader(Threads.scala:22)
play.core.server.DevServerStart$$anon$1.reload(DevServerStart.scala:185)
play.core.server.DevServerStart$$anon$1.get(DevServerStart.scala:148)
play.core.server.AkkaHttpServer.handleRequest(AkkaHttpServer.scala:302)
play.core.server.AkkaHttpServer.$anonfun$createServerBinding$1(AkkaHttpServer.scala:224)
akka.stream.impl.fusing.MapAsync$$anon$30.onPush(Ops.scala:1297)
akka.stream.impl.fusing.GraphInterpreter.processPush(GraphInterpreter.scala:541)
akka.stream.impl.fusing.GraphInterpreter.processEvent(GraphInterpreter.scala:495)
akka.stream.impl.fusing.GraphInterpreter.execute(GraphInterpreter.scala:390)
akka.stream.impl.fusing.GraphInterpreterShell.runBatch(ActorGraphInterpreter.scala:625)
akka.stream.impl.fusing.GraphInterpreterShell$AsyncInput.execute(ActorGraphInterpreter.scala:502)
akka.stream.impl.fusing.GraphInterpreterShell.processEvent(ActorGraphInterpreter.scala:600)
akka.stream.impl.fusing.ActorGraphInterpreter.akka$stream$impl$fusing$ActorGraphInterpreter$$processEvent(ActorGraphInterpreter.scala:775)
akka.stream.impl.fusing.ActorGraphInterpreter$$anonfun$receive$1.applyOrElse(ActorGraphInterpreter.scala:790)
akka.actor.Actor.aroundReceive(Actor.scala:537)
akka.actor.Actor.aroundReceive$(Actor.scala:535)
akka.stream.impl.fusing.ActorGraphInterpreter.aroundReceive(ActorGraphInterpreter.scala:691)
akka.actor.ActorCell.receiveMessage(ActorCell.scala:579)
akka.actor.ActorCell.invoke(ActorCell.scala:547)
akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270)
akka.dispatch.Mailbox.run(Mailbox.scala:231)
akka.dispatch.Mailbox.exec(Mailbox.scala:243)
java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295)
java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016)
java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665)
java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598)
java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
```java
```
这说明jdk16并不兼容play2.8.8，解决办法就是降低jdk的版本，另外尽量不要使用那么高的版本，很多人目前还是在使用jdk8