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ASF GitHub Bot commented on FLINK-4383: --------------------------------------- Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/2365#discussion_r74737803 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/rpc/akka/messages/RemoteRpcInvocation.java --- @@ -0,0 +1,187 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.flink.runtime.rpc.akka.messages; + +import org.apache.flink.util.Preconditions; +import org.apache.flink.util.SerializedValue; + +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.io.Serializable; + +/** + * Remote rpc invocation message which is used when the actor communication is remote and, thus, the + * message has to be serialized. + * <p> + * In order to fail fast and report an appropriate error message to the user, the method name, the + * parameter types and the arguments are eagerly serialized. In case the the invocation call + * contains a non-serializable object, then an {@link IOException} is thrown. + */ +public class RemoteRpcInvocation implements RpcInvocation, Serializable { + private static final long serialVersionUID = 6179354390913843809L; + + // Serialized invocation data + private final SerializedValue<RemoteRpcInvocation.MethodInvocation> serializedMethodInvocation; + + // Transient field which is lazily initialized upon first access to the invocation data + private transient RemoteRpcInvocation.MethodInvocation methodInvocation; + + public RemoteRpcInvocation( + final String methodName, + final Class<?>[] parameterTypes, + final Object[] args) throws IOException { + + serializedMethodInvocation = new SerializedValue<>(new RemoteRpcInvocation.MethodInvocation(methodName, parameterTypes, args)); --- End diff -- You're right. Will add it. > Check parameters for serializability before sending a remote RpcInvocation > message > ---------------------------------------------------------------------------------- > > Key: FLINK-4383 > URL: https://issues.apache.org/jira/browse/FLINK-4383 > Project: Flink > Issue Type: Sub-task > Components: Distributed Coordination > Reporter: Till Rohrmann > Assignee: Till Rohrmann > > Before sending a remote {{RpcInvocation}} message we should check that the > rpc arguments are serializable. If not we should eagerly fail with an > appropriate exception message. > If we don't do this, then Akka will silently fail serializing the message > without telling the user. -- This message was sent by Atlassian JIRA (v6.3.4#6332)