buildMacroMetadata Error During Upgrade or Startup

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Platform Notice: Server and Data Center Only. This article only applies to Atlassian products on the server and data center platforms.

Summary


When upgrading or starting up Confluence the following error shows up in atlassian-confluence.log:

2022-03-21 17:21:44,039 ERROR \[AtlassianEvent::CustomizableThreadFactory-14] \[confluence.macro.browser.DefaultMacroMetadataManager] buildMacroMetadata Error getting data from MacroMetadataProvider,
java.lang.NullPointerException
	at com.atlassian.gadgets.renderer.internal.http.HttpClientFetcher.addResponseToCacheIfSuccessful(HttpClientFetcher.java:102\)
	at com.atlassian.gadgets.renderer.internal.http.HttpClientFetcher.performRequest(HttpClientFetcher.java:123\)
	at com.atlassian.gadgets.renderer.internal.http.HttpClientFetcher.fetch(HttpClientFetcher.java:73\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.fetchBundle(DefaultMessageBundleFactory.java:138\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getNestedBundle(DefaultMessageBundleFactory.java:111\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getBundle(DefaultMessageBundleFactory.java:79\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getParentBundle(DefaultMessageBundleFactory.java:124\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getNestedBundle(DefaultMessageBundleFactory.java:101\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getBundle(DefaultMessageBundleFactory.java:79\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getParentBundle(DefaultMessageBundleFactory.java:127\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getNestedBundle(DefaultMessageBundleFactory.java:101\)
	at org.apache.shindig.gadgets.DefaultMessageBundleFactory.getBundle(DefaultMessageBundleFactory.java:79\)
	at org.apache.shindig.gadgets.variables.VariableSubstituter.substitute(VariableSubstituter.java:47\)
	at com.atlassian.gadgets.renderer.internal.GadgetSpecFactoryImpl.getGadgetSpec(GadgetSpecFactoryImpl.java:127\)
	at com.atlassian.gadgets.renderer.internal.GadgetSpecFactoryImpl.getGadgetSpec(GadgetSpecFactoryImpl.java:83\)
	at sun.reflect.GeneratedMethodAccessor1939.invoke(Unknown Source\)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43\)
	at java.lang.reflect.Method.invoke(Method.java:498\)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343\)
	at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:56\)
	at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:60\)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186\)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136\)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124\)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186\)
	at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:70\)
	at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:53\)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186\)
	at org.eclipse.gemini.blueprint.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:57\)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186\)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136\)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124\)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186\)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212\)
	at com.sun.proxy.$Proxy2461.getGadgetSpec(Unknown Source\)
	at com.atlassian.confluence.plugins.gadgets.metadata.GadgetsMacroMetadataProvider.generateMacroMetadata(GadgetsMacroMetadataProvider.java:188\)
	at com.atlassian.confluence.plugins.gadgets.metadata.GadgetsMacroMetadataProvider.getMacroMetadata(GadgetsMacroMetadataProvider.java:90\)
	at com.atlassian.confluence.plugins.gadgets.metadata.CachingGadgetsMacroMetadataProvider.retrieveMetadataAndUpdateCache(CachingGadgetsMacroMetadataProvider.java:236\)
	at com.atlassian.confluence.plugins.gadgets.metadata.CachingGadgetsMacroMetadataProvider.getData(CachingGadgetsMacroMetadataProvider.java:172\)
	at com.atlassian.confluence.macro.browser.DefaultMacroMetadataManager.buildMacroMetadata(DefaultMacroMetadataManager.java:144\)
	at com.atlassian.confluence.macro.browser.DefaultMacroMetadataManager.onPluginFrameworkStartedEvent(DefaultMacroMetadataManager.java:72\)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method\)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62\)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43\)
	at java.lang.reflect.Method.invoke(Method.java:498\)
	at com.atlassian.event.internal.SingleParameterMethodListenerInvoker.invoke(SingleParameterMethodListenerInvoker.java:42\)
	at com.atlassian.confluence.event.ConfluenceListenerHandlersConfiguration$TimedListenerInvoker.invoke(ConfluenceListenerHandlersConfiguration.java:96\)
	at com.atlassian.confluence.event.ConfluenceEventDispatcher$VCacheRequestContextRunnableFactory$1.lambda$run$0(ConfluenceEventDispatcher.java:93\)
	at com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$doInRequestContext$0(VCacheRequestContextOperations.java:50\)
	at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContextInternal(VCacheRequestContextManager.java:84\)
	at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:68\)
	at com.atlassian.confluence.vcache.VCacheRequestContextOperations.doInRequestContext(VCacheRequestContextOperations.java:49\)
	at com.atlassian.confluence.event.ConfluenceEventDispatcher$VCacheRequestContextRunnableFactory$1.run(ConfluenceEventDispatcher.java:93\)
	at com.atlassian.confluence.event.ConfluenceEventDispatcher$1.run(ConfluenceEventDispatcher.java:61\)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149\)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624\)
	at java.lang.Thread.run(Thread.java:748\)

Environment

Confluence data center or server.

Cause


As seen in the stack trace this error relates to gadgets:

com.atlassian.gadgets.renderer.internal.http.HttpClientFetcher.addResponseToCacheIfSuccessful


In this instance, Confluence is verifying existing gadget configuration and cannot reach a gadget URL.

Solution

This error can be effectively ignored and does not block an upgrade or startup. However, some gadgets may not function.

Navigate to  General Configuration > External Gadgets and verify that both the Gadget Specifications and Gadget Feeds URLs are accessible by the server hosting Confluence. 



Last modified on Apr 4, 2022

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