java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.jvnet.hk2.internal.ClazzCreator.methodMe(ClazzCreator.java:375)
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:428)
at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:456)
at org.jvnet.hk2.internal.PerLookupContext.findOrCreate(PerLookupContext.java:69)
at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2445)
at org.jvnet.hk2.internal.ServiceHandleImpl.getService(ServiceHandleImpl.java:98)
at org.glassfish.jersey.internal.inject.ProviderToService.apply(ProviderToService.java:58)
at jersey.repackaged.com.google.common.collect.Iterators$8.transform(Iterators.java:860)
at java.util.AbstractCollection.addAll(AbstractCollection.java:333)
at java.util.LinkedHashSet.(LinkedHashSet.java:169)
at org.glassfish.jersey.internal.inject.Providers.getClasses(Providers.java:364)
at org.glassfish.jersey.internal.inject.Providers.getProviders(Providers.java:186)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at org.jvnet.hk2.internal.ClazzCreator.createMe(ClazzCreator.java:292)
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:422)
at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:456)
at org.jvnet.hk2.internal.SingletonContext$1.compute(SingletonContext.java:114)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at org.glassfish.hk2.utilities.cache.Cache$OriginThreadAwareFuture.run(Cache.java:154)
at org.jvnet.hk2.internal.SingletonContext.findOrCreate(SingletonContext.java:153)
at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2445)
at org.jvnet.hk2.internal.ServiceLocatorImpl.getService(ServiceLocatorImpl.java:621)
at org.glassfish.jersey.server.model.ComponentModelValidator.(ComponentModelValidator.java:97)
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:457)
at org.glassfish.jersey.server.ApplicationHandler.access$500(ApplicationHandler.java:162)
at org.glassfish.jersey.internal.Errors$2.call(Errors.java:289)
at org.glassfish.jersey.internal.Errors$2.call(Errors.java:286)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.server.ApplicationHandler.(ApplicationHandler.java:319)
at org.glassfish.jersey.server.ApplicationHandler.(ApplicationHandler.java:284)
at org.glassfish.jersey.servlet.WebComponent.(WebComponent.java:311)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:168)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)

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