問題点

AEM が、ストレージに MongoMK を使用しています。AEM の起動時に MongoTimeoutException エラーが発生し、起動が失敗します:

03.04.2017 15:16:38.907 *ERROR* [FelixStartLevel] org.apache.jackrabbit.oak-core [org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService(157)] The activate method has thrown an exception (com.mongodb.MongoTimeoutException: Timed out after 10000 ms while waiting for a server that matches {serverSelectors=[ReadPreferenceServerSelector{readPreference=primary}, LatencyMinimizingServerSelector{acceptableLatencyDifference=15 ms}]}. Client view of cluster state is {type=ReplicaSet, servers=[{address=host1:30000, type=ReplicaSetArbiter, averageLatency=0.6 ms, state=Connected}, {host2:27017, type=Unknown, state=Connecting}, {address=host3:27017, type=ReplicaSetSecondary, averageLatency=0.7 ms, state=Connected}])
com.mongodb.MongoTimeoutException: Timed out after 10000 ms while waiting for a server that matches {serverSelectors=[ReadPreferenceServerSelector{readPreference=primary}, LatencyMinimizingServerSelector{acceptableLatencyDifference=15 ms}]}. Client view of cluster state is {type=ReplicaSet, servers=[{address=host1:30000, type=ReplicaSetArbiter, averageLatency=0.6 ms, state=Connected}, {address=host2:27017, type=Unknown, state=Connecting}, {address=host3:27017, type=ReplicaSetSecondary, averageLatency=0.7 ms, state=Connected}]
at com.mongodb.BaseCluster.getServer(BaseCluster.java:82)
at com.mongodb.DBTCPConnector.getServer(DBTCPConnector.java:669)
at com.mongodb.DBTCPConnector.access$500(DBTCPConnector.java:40)
at com.mongodb.DBTCPConnector$MyPort.getConnection(DBTCPConnector.java:518)
at com.mongodb.DBTCPConnector$MyPort.get(DBTCPConnector.java:461)
at com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:288)
at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:273)
at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:86)
at com.mongodb.DB.command(DB.java:320)
at com.mongodb.DB.command(DB.java:299)
at com.mongodb.DB.command(DB.java:374)
at com.mongodb.DB.command(DB.java:246)
at com.mongodb.DB.command(DB.java:401)
at org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.checkVersion(MongoDocumentStore.java:254)
at org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.<init>(MongoDocumentStore.java:201)
at org.apache.jackrabbit.oak.plugins.document.DocumentMK$Builder.setMongoDB(DocumentMK.java:576)
at org.apache.jackrabbit.oak.plugins.document.DocumentMK$Builder.setMongoDB(DocumentMK.java:559)
at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.registerNodeStore(DocumentNodeStoreService.java:466)
at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.registerNodeStoreIfPossible(DocumentNodeStoreService.java:374)
at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.activate(DocumentNodeStoreService.java:358)
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 org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222)
at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:615)
at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499)
at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:295)
at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:302)
at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:113)
at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:866)
at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:833)
at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:724)
at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:399)
at org.apache.felix.scr.impl.config.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:676)
at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:339)
at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:360)
at org.apache.felix.scr.impl.Activator.access$000(Activator.java:53)
at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:260)
at org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:259)
at org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:232)
at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482)
at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415)
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232)
at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444)
at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:916)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:835)
at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:517)
at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4541)
at org.apache.felix.framework.Felix.startBundle(Felix.java:2172)
at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1371)
at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
at java.lang.Thread.run(Thread.java:745)
03.04.2017 15:16:38.908 *ERROR* [FelixStartLevel] org.apache.jackrabbit.oak-core [org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService(157)] Failed creating the component instance; see log for reason

原因

ファイアウォールの問題/ネットワーク接続の問題/Mongo Java ドライバの問題の可能性があります。

解決策

タイムアウト時間を延長するために、MongoURI の connectTimeoutMS を 120000 (2 minutes) に設定します。MongoURI は、起動スクリプト JVM パラメータか、crx-quickstart/install 以下の org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.config で設定できます。

例えば、MongoURI は次のようになっているかもしれません:

mongodb://db1.example.net,db2.example.net:2500/?replicaSet=test&connectTimeoutMS=120000

それでも問題が解決しない場合は、ネットワーク操作および MongoDB を管理する DBA チームと共同して作業してください。AEM サーバーと MongoDB サーバー間のネットワーク接続をデバッグします。レプリカセットの接続も確認してください

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