From dev-return-60395-archive-asf-public=cust-asf.ponee.io@pig.apache.org Fri May 10 20:17:02 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 5EB65180763 for ; Fri, 10 May 2019 22:17:02 +0200 (CEST) Received: (qmail 57309 invoked by uid 500); 10 May 2019 20:17:01 -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 57287 invoked by uid 500); 10 May 2019 20:17:01 -0000 Delivered-To: apmail-hadoop-pig-dev@hadoop.apache.org Received: (qmail 57273 invoked by uid 99); 10 May 2019 20:17:01 -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; Fri, 10 May 2019 20:17:01 +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 A405FE260F for ; Fri, 10 May 2019 20:17:00 +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 306C425813 for ; Fri, 10 May 2019 20:17:00 +0000 (UTC) Date: Fri, 10 May 2019 20:17:00 +0000 (UTC) From: "Koji Noguchi (JIRA)" To: pig-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (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 [ https://issues.apache.org/jira/browse/PIG-5387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837576#comment-16837576 ] Koji Noguchi commented on PIG-5387: ----------------------------------- Confirmed there's no new test failures(regression) when tested with jdk8 + this patch. But I don't know much about these class loader handling to +1. Asking [~rohini], [~daijy], [~szita]. > 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 > Priority: Major > Attachments: PIG-5387_1.patch > > > 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)