Caused by: java.util.concurrent.ExecutionException: microsoft.exchange.webservices.data.core.exception.service.remote.ServiceRequestException: The request failed. The Id property must be set.
        at com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:299)
        at com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:286)
        at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116)
        at com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly(Uninterruptibles.java:137)
        at com.google.common.cache.LocalCache$Segment.getAndRecordStats(LocalCache.java:2348)
        at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2320)
        at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282)
        at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197)
        at com.google.common.cache.LocalCache.get(LocalCache.java:3937)
        at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941)
        at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824)
        at org.ametys.plugins.exchange.component.MailExchangeManager.getCountUnreadMail(MailExchangeManager.java:212)
        at org.ametys.plugins.exchange.GetExchangeInfoAction.act(GetExchangeInfoAction.java:81)
        at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:125)
        at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
        at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
        at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
        at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
        at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
        at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
        at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
        at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:178)
        at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
        at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
        ... 76 more
Caused by: microsoft.exchange.webservices.data.core.exception.service.remote.ServiceRequestException: The request failed. The Id property must be set.
        at microsoft.exchange.webservices.data.core.request.SimpleServiceRequestBase.internalExecute(SimpleServiceRequestBase.java:74)
        at microsoft.exchange.webservices.data.core.request.MultiResponseServiceRequest.execute(MultiResponseServiceRequest.java:158)
        at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:985)
        at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:1028)
        at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:1088)
        at org.ametys.plugins.exchange.component.MailExchangeManager.getUserInfo(MailExchangeManager.java:166)
        at org.ametys.plugins.exchange.component.MailExchangeManager$ExchangeCacheLoader.load(MailExchangeManager.java:259)
        at org.ametys.plugins.exchange.component.MailExchangeManager$ExchangeCacheLoader.load(MailExchangeManager.java:253)
        at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527)
        at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2319)
        ... 94 more
Caused by: java.lang.Exception: The Id property must be set.
        at microsoft.exchange.webservices.data.misc.ImpersonatedUserId.writeToXml(ImpersonatedUserId.java:73)
        at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.writeToXml(ServiceRequestBase.java:243)
        at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.buildEwsHttpWebRequest(ServiceRequestBase.java:696)
        at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.buildEwsHttpWebRequest(ServiceRequestBase.java:665)
        at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.validateAndEmitRequest(ServiceRequestBase.java:635)
        at microsoft.exchange.webservices.data.core.request.SimpleServiceRequestBase.internalExecute(SimpleServiceRequestBase.java:62)
        ... 103 more