タイムアウト例外 "ISPN000299: Unable to acquire lock after 0 milliseconds" の原因

Issue

• "ISPN000299: Unable to acquire lock after 0 milliseconds for key" というログメッセージが表示されますが、キャッシュは acquire-timeout が 0 より大きい場合にロックするように設定されています。これは何が原因ですか?
• ログファイルに "ISPN000299" が原因のメッセージがありますが、これはなぜですか?

WARN  [org.infinispan.persistence.manager.PersistenceManagerImpl] (pool-14-thread-1) ISPN000026: Caught exception purging data container!: java.util.concurrent.CompletionException: org.infinispan.remoting.RemoteException: ISPN000217: Received exception from node2, see cause for remote stack trace
    at org.infinispan.util.concurrent.CompletionStages.join(CompletionStages.java:83)
    at org.infinispan.expiration.impl.InternalExpirationManager.handleInStoreExpiration(InternalExpirationManager.java:60)
    ...
Caused by: org.infinispan.remoting.RemoteException: ISPN000217: Received exception from node2, see cause for remote stack trace
    at org.infinispan.remoting.transport.ResponseCollectors.wrapRemoteException(ResponseCollectors.java:28)
    at org.infinispan.remoting.transport.ValidSingleResponseCollector.withException(ValidSingleResponseCollector.java:37)
    at org.infinispan.remoting.transport.ValidSingleResponseCollector.addResponse(ValidSingleResponseCollector.java:21)
    at org.infinispan.remoting.transport.impl.SingleTargetRequest.receiveResponse(SingleTargetRequest.java:52)
    at org.infinispan.remoting.transport.impl.SingleTargetRequest.onResponse(SingleTargetRequest.java:35)
    at org.infinispan.remoting.transport.impl.RequestRepository.addResponse(RequestRepository.java:52)
    at org.infinispan.remoting.transport.jgroups.JGroupsTransport.processResponse(JGroupsTransport.java:1380)
    ...
Caused by: org.infinispan.util.concurrent.TimeoutException: ISPN000299: Unable to acquire lock after 0 milliseconds for key WrappedByteArray{bytes=[B0x0...[..], hashCode=-1234} and requestor CommandInvocation:node1:12982027. Lock is held by CommandInvocation:node2:12720556
    at org.infinispan.util.concurrent.locks.impl.DefaultLockManager$KeyAwareExtendedLockPromise.get(DefaultLockManager.java:288)
    ...
    at org.infinispan.commands.Visitor.visitRemoveExpiredCommand(Visitor.java:66)
    ... more