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java.lang.NullPointerException: 	at com.atlassian.plugin.module.ClassPrefixModuleFactory.createModule(ClassPrefixModuleFactory.java:32)	at com.atlassian.plugin.module.PrefixDelegatingModuleFactory.createModule(PrefixDelegatingModuleFactory.java:99)	at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.atlassian.plugin.osgi.hostcomponents.impl.DefaultComponentRegistrar$ContextClassLoaderSettingInvocationHandler.invoke(DefaultComponentRegistrar.java:129)	at $Proxy484.createModule(Unknown Source)	at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.atlassian.plugin.osgi.bridge.external.HostComponentFactoryBean$DynamicServiceInvocationHandler.invoke(HostComponentFactoryBean.java:154)	at $Proxy484.createModule(Unknown Source)	at com.atlassian.applinks.core.plugin.AbstractAppLinksTypeModuleDescriptor.getModule(AbstractAppLinksTypeModuleDescriptor.java:62)	at com.atlassian.applinks.core.manifest.ManifestRetrieverDispatcher$1.matches(ManifestRetrieverDispatcher.java:70)	at com.atlassian.plugin.manager.DefaultPluginManager$4.apply(DefaultPluginManager.java:862)	at com.atlassian.plugin.manager.DefaultPluginManager$4.apply(DefaultPluginManager.java:859)	at com.google.common.collect.Iterators$7.computeNext(Iterators.java:603)	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:135)	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:130)	at com.google.common.collect.Iterators$5.hasNext(Iterators.java:504)	at com.atlassian.plugin.util.collect.CollectionUtil.foreach(CollectionUtil.java:15)	at com.atlassian.plugin.util.collect.CollectionUtil.toList(CollectionUtil.java:37)	at com.atlassian.plugin.util.collect.CollectionUtil.toList(CollectionUtil.java:31)	at com.atlassian.plugin.manager.DefaultPluginManager.getModuleDescriptors(DefaultPluginManager.java:829)	at sun.reflect.GeneratedMethodAccessor2753.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.atlassian.plugin.osgi.hostcomponents.impl.DefaultComponentRegistrar$ContextClassLoaderSettingInvocationHandler.invoke(DefaultComponentRegistrar.java:129)	at $Proxy482.getModuleDescriptors(Unknown Source)	at sun.reflect.GeneratedMethodAccessor2753.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)	at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:58)	at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:62)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:56)	at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:39)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.osgi.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:59)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at $Proxy798.getModuleDescriptors(Unknown Source)	at com.atlassian.applinks.core.manifest.ManifestRetrieverDispatcher.getRequiredManifestProducer(ManifestRetrieverDispatcher.java:65)	at com.atlassian.applinks.core.manifest.ManifestRetrieverDispatcher.getManifest(ManifestRetrieverDispatcher.java:50)	at com.atlassian.applinks.core.rest.ui.ListApplicationLinksUIResource.getLinkAndAuthProviderEntity(ListApplicationLinksUIResource.java:135)	at com.atlassian.applinks.core.rest.ui.ListApplicationLinksUIResource.access$300(ListApplicationLinksUIResource.java:74)	at com.atlassian.applinks.core.rest.ui.ListApplicationLinksUIResource$2$1.callWithContext(ListApplicationLinksUIResource.java:247)	at com.atlassian.applinks.core.rest.ui.ListApplicationLinksUIResource$2$1.callWithContext(ListApplicationLinksUIResource.java:243)	at com.atlassian.applinks.core.rest.ui.ListApplicationLinksUIResource$CurrentContextAwareCallable.call(ListApplicationLinksUIResource.java:273)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)	at java.util.concurrent.FutureTask.run(FutureTask.java:138)	at com.atlassian.sal.core.executor.ThreadLocalDelegateRunnable.run(ThreadLocalDelegateRunnable.java:34)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at java.lang.Thread.run(Thread.java:662)