java - 如何阻止 Java 瘦客户端请求，直到 Ignite 集群中的数据预加载完成

Question

我们正在运行一个具有 3 个节点的 ignite 集群，该集群预加载来自第 3 方数据库的数据(使用自定义缓存存储)。当我们尝试使用 java 瘦客户端连接到集群时，如果请求在数据加载完成之前到达集群，我们会遇到未知对异常和一些不稳定的行为。

我们是否可以阻止客户端请求(TCP 套接字连接)直到数据加载完成？
我尝试了不同的生命周期事件 (NODE_START_COMPLETED)，但没有成功。

堆栈跟踪

Caused by: org.apache.ignite.binary.BinaryInvalidTypeException: Unknown pair [platformId=0, typeId=-845247802]
        at org.apache.ignite.internal.binary.BinaryContext.descriptorForTypeId(BinaryContext.java:707)
        at org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1757)
        at org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1716)
        at org.apache.ignite.internal.binary.BinaryObjectImpl.deserializeValue(BinaryObjectImpl.java:798)
        at org.apache.ignite.internal.binary.BinaryObjectImpl.value(BinaryObjectImpl.java:143)
        at org.apache.ignite.internal.processors.cache.CacheObjectUtils.unwrapBinary(CacheObjectUtils.java:177)
        at org.apache.ignite.internal.processors.cache.CacheObjectUtils.unwrapBinaryIfNeeded(CacheObjectUtils.java:67)
        at org.apache.ignite.internal.processors.cache.CacheObjectContext.unwrapBinaryIfNeeded(CacheObjectContext.java:125)
        at org.apache.ignite.internal.processors.cache.GridCacheContext.unwrapBinaryIfNeeded(GridCacheContext.java:1773)
        at org.apache.ignite.internal.processors.cache.GridCacheContext.unwrapBinaryIfNeeded(GridCacheContext.java:1761)
        at org.apache.ignite.internal.processors.cache.store.GridCacheStoreManagerAdapter.put(GridCacheStoreManagerAdapter.java:573)
        at org.apache.ignite.internal.processors.cache.store.GridCacheStoreManagerAdapter.putAll(GridCacheStoreManagerAdapter.java:627)
        at org.apache.ignite.internal.processors.cache.transactions.IgniteTxAdapter.batchStoreCommit(IgniteTxAdapter.java:1507)
        at org.apache.ignite.internal.processors.cache.transactions.IgniteTxLocalAdapter.userCommit(IgniteTxLocalAdapter.java:589)
        at org.apache.ignite.internal.processors.cache.distributed.near.GridNearTxLocal.localFinish(GridNearTxLocal.java:3646)
        at org.apache.ignite.internal.processors.cache.distributed.near.GridNearTxFinishFuture.doFinish(GridNearTxFinishFuture.java:475)
        ... 41 common frames omitted
Caused by: java.lang.ClassNotFoundException: Unknown pair [platformId=0, typeId=-845247802]
        at org.apache.ignite.internal.MarshallerContextImpl.getClassName(MarshallerContextImpl.java:394)
        at org.apache.ignite.internal.MarshallerContextImpl.getClass(MarshallerContextImpl.java:344)
        at org.apache.ignite.internal.binary.BinaryContext.descriptorForTypeId(BinaryContext.java:698)
        ... 56 common frames omitted

Answer 1

目前无法禁止瘦客户端使用 Ignite API 连接到集群。我为此改进创建了 JIRA 票证:https://issues.apache.org/jira/browse/IGNITE-12237

不过，未知对异常似乎并不是由瘦客户端在错误时间连接引起的。通常这是由于工作路径中缺少 marshaller 目录引起的。