EC2 does not allow multicast, so I am unable to deploy Confluence DataCenter directly over two EC2 hosts.
I updated the Hazelcast jar to specify the hostnames statically, so that it can use TCP instead of multicasting. After starting up Confluence in both hosts, when I go back and refresh the page from the master node, it fails with a cache read error "HTTP Status 500 - Problem retrieving a value from cache com.atlassian.bandana.BandanaPersister" (Error shown below)
How can I fix this?
Is there anyone else here who has deployed Confluence DataCenter over an EC2 cluster? If so, could you share your experiences around deploying Confluence DataCenter over EC2?
HTTP Status 500 - Problem retrieving a value from cache com.atlassian.bandana.BandanaPersister
type Exception report
message Problem retrieving a value from cache com.atlassian.bandana.BandanaPersister
description The server encountered an internal error that prevented it from fulfilling this request.
exception
com.atlassian.cache.CacheException: Problem retrieving a value from cache com.atlassian.bandana.BandanaPersister
com.atlassian.cache.hazelcast.HazelcastCache.getOrLoad(HazelcastCache.java:255)
com.atlassian.cache.hazelcast.HazelcastCache.get(HazelcastCache.java:90)
com.atlassian.confluence.cache.DefaultConfluenceCache.get(DefaultConfluenceCache.java:52)
com.atlassian.confluence.cache.ConfluenceMonitoringCache.get(ConfluenceMonitoringCache.java:49)
com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:57)
com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:32)
com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:24)
com.atlassian.confluence.setup.settings.DefaultSettingsManager.getGlobalSettings(DefaultSettingsManager.java:43)
com.atlassian.confluence.setup.ConfluenceEncodingFilter.getGlobalSettings(ConfluenceEncodingFilter.java:48)
com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncodingInternal(ConfluenceEncodingFilter.java:37)
com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncoding(ConfluenceEncodingFilter.java:29)
com.atlassian.core.filters.encoding.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:38)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)
com.atlassian.confluence.servlet.FourOhFourErrorLoggingFilter.doFilter(FourOhFourErrorLoggingFilter.java:71)
com.atlassian.confluence.web.filter.DebugFilter.doFilter(DebugFilter.java:50)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
root cause
com.hazelcast.core.HazelcastInstanceNotActiveException: Hazelcast instance is not active!
com.hazelcast.spi.AbstractDistributedObject.getService(AbstractDistributedObject.java:93)
com.hazelcast.map.proxy.MapProxySupport.toData(MapProxySupport.java:1056)
com.hazelcast.map.proxy.MapProxyImpl.get(MapProxyImpl.java:83)
com.atlassian.cache.hazelcast.HazelcastCache.getOrLoad(HazelcastCache.java:231)
com.atlassian.cache.hazelcast.HazelcastCache.get(HazelcastCache.java:90)
com.atlassian.confluence.cache.DefaultConfluenceCache.get(DefaultConfluenceCache.java:52)
com.atlassian.confluence.cache.ConfluenceMonitoringCache.get(ConfluenceMonitoringCache.java:49)
com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:57)
com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:32)
com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:24)
com.atlassian.confluence.setup.settings.DefaultSettingsManager.getGlobalSettings(DefaultSettingsManager.java:43)
com.atlassian.confluence.setup.ConfluenceEncodingFilter.getGlobalSettings(ConfluenceEncodingFilter.java:48)
com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncodingInternal(ConfluenceEncodingFilter.java:37)
com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncoding(ConfluenceEncodingFilter.java:29)
com.atlassian.core.filters.encoding.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:38)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)
com.atlassian.confluence.servlet.FourOhFourErrorLoggingFilter.doFilter(FourOhFourErrorLoggingFilter.java:71)
com.atlassian.confluence.web.filter.DebugFilter.doFilter(DebugFilter.java:50)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.52 logs.
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