I stumbled upon a Java exception in my /opt/zimbra/log/mailbox.log which occurs multiple times:
Code: Select all
CompoundCachingTier - Error overflowing '5402e9d7-2443-476c-ae69-aad64bb221f0:319:1842009:73' into lower caching tier org.ehcache.impl.internal.store.offheap.OffHeapStore@e2c627e
org.ehcache.core.spi.store.StoreAccessException: The element with key '5402e9d7-2443-476c-ae69-aad64bb221f0:319:1842009:73' is too large to be stored in this offheap store.
at org.ehcache.impl.internal.store.offheap.AbstractOffHeapStore.computeWithRetry(AbstractOffHeapStore.java:1090)
at org.ehcache.impl.internal.store.offheap.AbstractOffHeapStore.installMapping(AbstractOffHeapStore.java:1067)
at org.ehcache.impl.internal.store.tiering.CompoundCachingTier$1.onInvalidation(CompoundCachingTier.java:69)
at org.ehcache.impl.internal.store.heap.OnHeapStore$20.onInvalidation(OnHeapStore.java:921)
at org.ehcache.impl.internal.store.heap.OnHeapStore$26.apply(OnHeapStore.java:1575)
at org.ehcache.impl.internal.store.heap.OnHeapStore$26.apply(OnHeapStore.java:1568)
at org.ehcache.impl.internal.concurrent.ConcurrentHashMap.computeIfPresent(ConcurrentHashMap.java:1793)
at org.ehcache.impl.internal.store.heap.SimpleBackend.computeIfPresent(SimpleBackend.java:124)
at org.ehcache.impl.internal.store.heap.OnHeapStore.evict(OnHeapStore.java:1568)
at org.ehcache.impl.internal.store.heap.OnHeapStore.enforceCapacity(OnHeapStore.java:1535)
at org.ehcache.impl.internal.store.heap.OnHeapStore.getOrComputeIfAbsent(OnHeapStore.java:723)
at org.ehcache.impl.internal.store.tiering.CompoundCachingTier.getOrComputeIfAbsent(CompoundCachingTier.java:112)
at org.ehcache.impl.internal.store.tiering.TieredStore.get(TieredStore.java:110)
at org.ehcache.core.Ehcache.get(Ehcache.java:167)
at com.zimbra.cs.imap.EhcacheImapCache.get(EhcacheImapCache.java:138)
at com.zimbra.cs.imap.EhcacheImapCache.get(EhcacheImapCache.java:40)
at com.zimbra.cs.imap.ImapSessionManager.deserialize(ImapSessionManager.java:799)
at com.zimbra.cs.imap.ImapListener.reload(ImapListener.java:719)
at com.zimbra.cs.imap.ImapListener.getImapFolder(ImapListener.java:405)
at com.zimbra.cs.imap.ImapSessionManager.duplicateExistingSession(ImapSessionManager.java:482)
at com.zimbra.cs.imap.ImapSessionManager.duplicateExistingSession(ImapSessionManager.java:471)
at com.zimbra.cs.imap.ImapSessionManager.openFolder(ImapSessionManager.java:315)
at com.zimbra.cs.imap.ImapHandler.setSelectedFolder(ImapHandler.java:1195)
at com.zimbra.cs.imap.ImapHandler.selectFolder(ImapHandler.java:1783)
at com.zimbra.cs.imap.ImapHandler.doSELECT(ImapHandler.java:1749)
at com.zimbra.cs.imap.ImapHandler.executeRequest(ImapHandler.java:836)
at com.zimbra.cs.imap.NioImapHandler.processRequest(NioImapHandler.java:123)
at com.zimbra.cs.imap.NioImapHandler.messageReceived(NioImapHandler.java:63)
at com.zimbra.cs.server.NioHandlerDispatcher.messageReceived(NioHandlerDispatcher.java:95)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:716)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:427)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:245)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
at com.zimbra.cs.server.NioLoggingFilter.messageReceived(NioLoggingFilter.java:68)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:75)
at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:780)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:772)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:714)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.terracotta.offheapstore.exceptions.OversizeMappingException: Storage Engine and Eviction Failed - Empty Map
Storage Engine : OffHeapBufferStorageEngine allocated=1022.0KB occupied=0B
Storage Area: OffHeapStorageArea
511 2KB pages
Allocator: org.terracotta.offheapstore.storage.allocator.IntegerBestFitAllocator@221a419f
Page Source: UpfrontAllocatingPageSource
Chunk 1
Size : 1MB
Free Allocator : PowerOfTwoAllocator: Occupied 1022.3KB [Largest Available Area 1KB]
Victim Allocator : PowerOfTwoAllocator: Occupied 320B [Largest Available Area 512KB]
at org.terracotta.offheapstore.AbstractOffHeapClockCache.storageEngineFailure(AbstractOffHeapClockCache.java:84)
at org.terracotta.offheapstore.OffHeapHashMap.writeEntry(OffHeapHashMap.java:689)
at org.terracotta.offheapstore.OffHeapHashMap.computeWithMetadata(OffHeapHashMap.java:1947)
at org.terracotta.offheapstore.AbstractLockedOffHeapHashMap.computeWithMetadata(AbstractLockedOffHeapHashMap.java:582)
at org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap.computeWithMetadata(AbstractConcurrentOffHeapMap.java:743)
at org.ehcache.impl.internal.store.offheap.EhcacheConcurrentOffHeapClockCache.compute(EhcacheConcurrentOffHeapClockCache.java:152)
at org.ehcache.impl.internal.store.offheap.AbstractOffHeapStore.computeWithRetry(AbstractOffHeapStore.java:1088)
... 47 more
I can't establish a connection between this error stack and something not working as expected. But even if the error is not harmful I would like to understand the cause and get rid of it.
Kind regards
Andreas