问题描述
我有一个程序，它使用标准 Spring Data CrudRepository 在 MongoDB 中执行 10K 的“保存”操作循环。
这个程序运行没有问题并保存了数以万计的项目，直到它突然出现这个异常：
Caused by: com.mongodb.MongoInterruptedException: Interrupted acquiring a permit to retrieve an item from the pool
at com.mongodb.internal.connection.ConcurrentPool.acquirePermit(ConcurrentPool.java:203)
at com.mongodb.internal.connection.ConcurrentPool.get(ConcurrentPool.java:140)
at com.mongodb.internal.connection.ConcurrentPool.get(ConcurrentPool.java:123)
at com.mongodb.internal.connection.PowerOfTwoBufferPool.getBuffer(PowerOfTwoBufferPool.java:78)
at com.mongodb.internal.connection.socketStream.read(SocketStream.java:105)
at com.mongodb.internal.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:587)
at com.mongodb.internal.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:444)
at com.mongodb.internal.connection.InternalStreamConnection.receiveCommandMessageResponse(InternalStreamConnection.java:298)
at com.mongodb.internal.connection.InternalStreamConnection.sendAndReceive(InternalStreamConnection.java:258)
at com.mongodb.internal.connection.UsageTrackingInternalConnection.sendAndReceive(UsageTrackingInternalConnection.java:99)
at com.mongodb.internal.connection.DefaultConnectionPool$PooledConnection.sendAndReceive(DefaultConnectionPool.java:500)
at com.mongodb.internal.connection.CommandProtocolImpl.execute(CommandProtocolImpl.java:71)
at com.mongodb.internal.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:224)
at com.mongodb.internal.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:202)
at com.mongodb.internal.connection.DefaultServerConnection.command(DefaultServerConnection.java:118)
at com.mongodb.internal.operation.MixedBulkWriteOperation.executeCommand(MixedBulkWriteOperation.java:419)
at com.mongodb.internal.operation.MixedBulkWriteOperation.executeBulkWriteBatch(MixedBulkWriteOperation.java:245)
at com.mongodb.internal.operation.MixedBulkWriteOperation.access$700(MixedBulkWriteOperation.java:71)
at com.mongodb.internal.operation.MixedBulkWriteOperation$1.call(MixedBulkWriteOperation.java:189)
at com.mongodb.internal.operation.MixedBulkWriteOperation$1.call(MixedBulkWriteOperation.java:180)
at com.mongodb.internal.operation.OperationHelper.withReleasableConnection(OperationHelper.java:500)
at com.mongodb.internal.operation.MixedBulkWriteOperation.execute(MixedBulkWriteOperation.java:180)
at com.mongodb.internal.operation.MixedBulkWriteOperation.execute(MixedBulkWriteOperation.java:71)
at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.execute(MongoClientDelegate.java:207)
at com.mongodb.client.internal.MongoCollectionImpl.executeSingleWriteRequest(MongoCollectionImpl.java:1008)
at com.mongodb.client.internal.MongoCollectionImpl.executeReplaceOne(MongoCollectionImpl.java:566)
at com.mongodb.client.internal.MongoCollectionImpl.replaceOne(MongoCollectionImpl.java:549)
at org.springframework.data.mongodb.core.MongoTemplate.lambda$saveDocument$17(MongoTemplate.java:1517)
at org.springframework.data.mongodb.core.MongoTemplate.execute(MongoTemplate.java:566)
... 42 common frames omitted
Caused by: java.lang.InterruptedException: null
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1302)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
at com.mongodb.internal.connection.ConcurrentPool.acquirePermit(ConcurrentPool.java:199)
... 70 common frames omitted
从 this post 建议它可能是 Mongo 本身的东西，但这篇文章已经 5 年了。此外，那里有一些不相关的建议。
知道是什么导致了这种情况吗？
解决方法
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