kl0u commented on issue #6583: [FLINK-10175] Fix concurrent access to shared buffer between RocksDBMapState and querable state URL: https://github.com/apache/flink/pull/6583#issuecomment-414705770 ``` Exception in thread "main" java.util.concurrent.ExecutionException: java.lang.RuntimeException: Failed request 73. Caused by: java.lang.RuntimeException: Failed request 73. Caused by: java.lang.RuntimeException: Error while processing request with ID 73. Caused by: java.lang.ArrayIndexOutOfBoundsException: 17 at org.apache.flink.core.memory.DataInputDeserializer.readBoolean(DataInputDeserializer.java:123) at org.apache.flink.api.java.typeutils.runtime.PojoSerializer.deserialize(PojoSerializer.java:405) at org.apache.flink.contrib.streaming.state.RocksDBMapState.deserializeUserValue(RocksDBMapState.java:353) at org.apache.flink.contrib.streaming.state.RocksDBMapState.access$100(RocksDBMapState.java:66) at org.apache.flink.contrib.streaming.state.RocksDBMapState$RocksDBMapEntry.getValue(RocksDBMapState.java:454) at org.apache.flink.queryablestate.client.state.serialization.KvStateSerializer.serializeMap(KvStateSerializer.java:222) at org.apache.flink.contrib.streaming.state.RocksDBMapState.getSerializedValue(RocksDBMapState.java:298) at org.apache.flink.queryablestate.server.KvStateServerHandler.getSerializedValue(KvStateServerHandler.java:107) at org.apache.flink.queryablestate.server.KvStateServerHandler.handleRequest(KvStateServerHandler.java:84) at org.apache.flink.queryablestate.server.KvStateServerHandler.handleRequest(KvStateServerHandler.java:48) at org.apache.flink.queryablestate.network.AbstractServerHandler$AsyncRequestTask.run(AbstractServerHandler.java:236) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at org.apache.flink.queryablestate.server.KvStateServerHandler.handleRequest(KvStateServerHandler.java:95) at org.apache.flink.queryablestate.server.KvStateServerHandler.handleRequest(KvStateServerHandler.java:48) at org.apache.flink.queryablestate.network.AbstractServerHandler$AsyncRequestTask.run(AbstractServerHandler.java:236) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at org.apache.flink.queryablestate.network.AbstractServerHandler$AsyncRequestTask.lambda$run$11(AbstractServerHandler.java:273) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) at java.util.concurrent.CompletableFuture.uniWhenCompleteStage(CompletableFuture.java:778) at java.util.concurrent.CompletableFuture.whenComplete(CompletableFuture.java:2140) at org.apache.flink.queryablestate.network.AbstractServerHandler$AsyncRequestTask.run(AbstractServerHandler.java:236) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895) at org.apache.flink.streaming.tests.queryablestate.QsStateClient.getMapState(QsStateClient.java:121) at org.apache.flink.streaming.tests.queryablestate.QsStateClient.main(QsStateClient.java:93) ```
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