콘텐츠를 게시할 수 없음

설명 description

고객 중 한 명이 스테이지 게시자가 제대로 작동하지 않아 이 인스턴스에 콘텐츠를 게시할 수 없다고 불만을 토로하고 있습니다. error.log에서 다음 오류가 표시될 수 있습니다.

20.09.2022 06:53:27.635 *INFO* discovery.connectors.common.runner.a00e3ce0-3925-4755-990b-f2d776738269.discoveryLiteCheck org.apache.sling.discovery.base.commons.BaseDiscoveryService getTopology: undefined cluster view: REPOSITORY_EXCEPTION org.apache.sling.discovery.base.commons.UndefinedClusterViewException: Exception while processing descriptor: java.lang.IllegalArgumentException: Can't create child on a synthetic root
20.09.2022 06:53:29.636 *ERROR* discovery.connectors.common.runner.a00e3ce0-3925-4755-990b-f2d776738269.discoveryLiteCheck org.apache.sling.discovery.oak.cluster.OakClusterViewService getLocalClusterView: repository exception: java.lang.IllegalArgumentException: Can't create child on a synthetic root
java.lang.IllegalArgumentException: Can't create child on a synthetic root
at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.create(ResourceResolverImpl.java:979) org.apache.sling.resourceresolver:1.7.2.B0001
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:666) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:603) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:571) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:654) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:603) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:571) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:654) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:603) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:571) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:654) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:603) org.apache.sling.api:2.22.0
at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:571) org.apache.sling.api:2.22.0
at org.apache.sling.discovery.commons.providers.util.ResourceHelper.getOrCreateResource(ResourceHelper.java:45) org.apache.sling.discovery.commons:1.0.20
at org.apache.sling.discovery.commons.providers.spi.base.IdMapService.readIdMap(IdMapService.java:302) org.apache.sling.discovery.commons:1.0.20
at org.apache.sling.discovery.commons.providers.spi.base.IdMapService.toSlingId(IdMapService.java:280) org.apache.sling.discovery.commons:1.0.20
at org.apache.sling.discovery.oak.cluster.OakClusterViewService.asClusterView(OakClusterViewService.java:174) org.apache.sling.discovery.oak:1.2.22
at org.apache.sling.discovery.oak.cluster.OakClusterViewService.getLocalClusterView(OakClusterViewService.java:120) org.apache.sling.discovery.oak:1.2.22
at org.apache.sling.discovery.base.commons.BaseDiscoveryService.getTopology(BaseDiscoveryService.java:77) org.apache.sling.discovery.base:2.0.8
at org.apache.sling.discovery.oak.OakDiscoveryService.checkForTopologyChange(OakDiscoveryService.java:660) org.apache.sling.discovery.oak:1.2.22
at org.apache.sling.discovery.oak.pinger.OakViewChecker.discoveryLiteCheck(OakViewChecker.java:217) org.apache.sling.discovery.oak:1.2.22
at org.apache.sling.discovery.oak.pinger.OakViewChecker.access$000(OakViewChecker.java:62) org.apache.sling.discovery.oak:1.2.22
at org.apache.sling.discovery.oak.pinger.OakViewChecker$1.run(OakViewChecker.java:193) org.apache.sling.discovery.oak:1.2.22
at org.apache.sling.discovery.base.commons.PeriodicBackgroundJob.safelyRun(PeriodicBackgroundJob.java:86) org.apache.sling.discovery.base:2.0.8
at org.apache.sling.discovery.base.commons.PeriodicBackgroundJob.run(PeriodicBackgroundJob.java:77) org.apache.sling.discovery.base:2.0.8
at java.base/java.lang.Thread.run(Thread.java:834)

해결 방법 resolution

로그의 오류는 캐싱과 관련이 없지만 서비스 사용자에게 작성자 또는 게시자의 경로 /var/discovery에 대한 올바른 권한이 없을 때 표시됩니다.

추가 조사 시 고객에게 /var/discovery 경로에 대한 권한을 확인하도록 요청했지만 스테이지 게시자에는 /var 아래에 "discovery" 폴더가 없으며 많은 콘텐츠가 누락된 것으로 나타났습니다.

프로덕션 게시자의 /var 폴더에는 20개 이상의 하위 항목이 있는 반면 스테이지 게시자의 /var 폴더에는 "복제"와 "슬링"이라는 2개의 하위 항목만 있습니다.

프로덕션에서 스테이지로 /var/structure를 복제하고 스테이지 게시자에서 AEM을 다시 시작한 후 문제가 해결되었습니다.

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