Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/7862#discussion_r36040528 --- Diff: core/src/test/scala/org/apache/spark/deploy/master/PersistenceEngineSuite.scala --- @@ -73,11 +73,11 @@ class PersistenceEngineSuite extends SparkFunSuite { assert(persistenceEngine.read[String]("test_").isEmpty) // Test deserializing objects that contain RpcEndpointRef - val rpcEnv = RpcEnv.create("test", "localhost", 12345, conf, new SecurityManager(conf)) + val testRpcEnv = RpcEnv.create("test", "localhost", 12345, conf, new SecurityManager(conf)) try { // Create a real endpoint so that we can test RpcEndpointRef deserialization - val workerEndpoint = rpcEnv.setupEndpoint("worker", new RpcEndpoint { - override val rpcEnv: RpcEnv = rpcEnv + val workerEndpoint = testRpcEnv.setupEndpoint("worker", new RpcEndpoint { + override val rpcEnv: RpcEnv = testRpcEnv --- End diff -- `rpcEnv` was apparently just calling itself here according to the compiler, so renamed the reference to avoid conflict
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