From dev-return-60390-archive-asf-public=cust-asf.ponee.io@pig.apache.org Wed May 8 14:12:03 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id C1077180630 for ; Wed, 8 May 2019 16:12:02 +0200 (CEST) Received: (qmail 84642 invoked by uid 500); 8 May 2019 14:12:02 -0000 Mailing-List: contact dev-help@pig.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@pig.apache.org Delivered-To: mailing list dev@pig.apache.org Received: (qmail 84631 invoked by uid 500); 8 May 2019 14:12:02 -0000 Delivered-To: apmail-hadoop-pig-dev@hadoop.apache.org Received: (qmail 84626 invoked by uid 99); 8 May 2019 14:12:02 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 08 May 2019 14:12:02 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 4739DE0095 for ; Wed, 8 May 2019 14:12:01 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id C06FC24597 for ; Wed, 8 May 2019 14:12:00 +0000 (UTC) Date: Wed, 8 May 2019 14:12:00 +0000 (UTC) From: "Nandor Kollar (JIRA)" To: pig-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (PIG-5387) Test failures on JRE 11 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Nandor Kollar created PIG-5387: ---------------------------------- Summary: Test failures on JRE 11 Key: PIG-5387 URL: https://issues.apache.org/jira/browse/PIG-5387 Project: Pig Issue Type: Bug Affects Versions: 0.17.0 Reporter: Nandor Kollar I tried to compile Pig with JDK 8 and execute the test with Java 11, and faced with several test failures. For example TestCommit#testCheckin2 failed with the following exception: {code} 2019-05-08 16:06:09,712 WARN [Thread-108] mapred.LocalJobRunner (LocalJobRunner.java:run(590)) - job_local1000317333_0003 java.lang.Exception: java.io.IOException: Deserialization error: null at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:492) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:552) Caused by: java.io.IOException: Deserialization error: null at org.apache.pig.impl.util.ObjectSerializer.deserialize(ObjectSerializer.java:62) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.setup(PigGenericMapBase.java:183) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:799) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:347) at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: java.lang.NullPointerException at org.apache.pig.impl.plan.Operator.hashCode(Operator.java:106) at java.base/java.util.HashMap.hash(HashMap.java:339) at java.base/java.util.HashMap.readObject(HashMap.java:1461) at java.base/jdk.internal.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at java.base/java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1160) {code} It deserialization of one of the map plan failed, it appears we ran into [JDK-8201131|https://bugs.openjdk.java.net/browse/JDK-8201131]. I seems that the workaround in the issue report works, adding a readObject method to org.apache.pig.impl.plan.Operator: {code} private void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException { in.defaultReadObject(); } {code} solves the problem, however I'm not sure that this is the optimal solution. -- This message was sent by Atlassian JIRA (v7.6.3#76005)