Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 912AA200BC3 for ; Thu, 13 Oct 2016 13:23:23 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 8FD88160AE3; Thu, 13 Oct 2016 11:23:23 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id CC69E160AF8 for ; Thu, 13 Oct 2016 13:23:22 +0200 (CEST) Received: (qmail 72303 invoked by uid 500); 13 Oct 2016 11:23:21 -0000 Mailing-List: contact dev-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@flink.apache.org Delivered-To: mailing list dev@flink.apache.org Received: (qmail 72180 invoked by uid 99); 13 Oct 2016 11:23:21 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Oct 2016 11:23:21 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id AE6CD2C4C72 for ; Thu, 13 Oct 2016 11:23:21 +0000 (UTC) Date: Thu, 13 Oct 2016 11:23:21 +0000 (UTC) From: "Sajeev Ramakrishnan (JIRA)" To: dev@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (FLINK-4823) org.apache.flink.types.NullFieldException: Field 0 is null, but expected to hold a value MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 13 Oct 2016 11:23:23 -0000 Sajeev Ramakrishnan created FLINK-4823: ------------------------------------------ Summary: org.apache.flink.types.NullFieldException: Field 0 is null, but expected to hold a value Key: FLINK-4823 URL: https://issues.apache.org/jira/browse/FLINK-4823 Project: Flink Issue Type: Bug Components: Gelly Affects Versions: 1.1.0 Environment: RHEL 6.6 Reporter: Sajeev Ramakrishnan Priority: Blocker Team, We are getting NULL pointer exception while doing the vertex centric graph traversal. org.apache.flink.types.NullFieldException: Field 0 is null, but expected to hold a value. at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:126) at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:30) at org.apache.flink.runtime.plugable.SerializationDelegate.write(SerializationDelegate.java:56) at org.apache.flink.runtime.io.network.api.serialization.SpanningRecordSerializer.addRecord(SpanningRecordSerializer.java:83) at org.apache.flink.runtime.io.network.api.writer.RecordWriter.emit(RecordWriter.java:85) at org.apache.flink.runtime.operators.shipping.OutputCollector.collect(OutputCollector.java:65) at org.apache.flink.api.java.operators.JoinOperator$DefaultJoin$WrappingFlatJoinFunction.join(JoinOperator.java:572) at org.apache.flink.runtime.operators.JoinWithSolutionSetFirstDriver.run(JoinWithSolutionSetFirstDriver.java:196) at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:486) at org.apache.flink.runtime.iterative.task.AbstractIterativeTask.run(AbstractIterativeTask.java:146) at org.apache.flink.runtime.iterative.task.IterationIntermediateTask.run(IterationIntermediateTask.java:92) at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:351) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:122) at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:30) at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:124) ... 13 more All the parameters that I am passing for the vertex and edges are not null. Not able to find out the root cause. Thanks & Regards, Sajeev Ramakrishnan -- This message was sent by Atlassian JIRA (v6.3.4#6332)