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https://issues.apache.org/jira/browse/FLINK-7430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Till Rohrmann updated FLINK-7430:
---------------------------------
Component/s: filesystem-connector
> ContinuousFileReaderOperator swallows exceptions
> ------------------------------------------------
>
> Key: FLINK-7430
> URL: https://issues.apache.org/jira/browse/FLINK-7430
> Project: Flink
> Issue Type: Bug
> Components: DataStream API, filesystem-connector
> Affects Versions: 1.4.0, 1.3.2
> Environment: - macOS 10.12.6
> - Oracle JDK 1.8.0_144
> - Flink 1.3.2
> Reporter: Peter Ertl
> Priority: Critical
>
> The class *ContinuousFileReaderOperator* is swallowing exceptions as the
> following example demonstrates:
> {code:java}
> package org.apache.flink.streaming.examples;
> import java.io.File;
> import java.io.IOException;
> import org.apache.flink.api.common.io.OutputFormat;
> import org.apache.flink.configuration.Configuration;
> import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
> public class FormatExceptionSwallowed {
> public static void main(String[] args) throws Exception {
> final StreamExecutionEnvironment env =
> StreamExecutionEnvironment.getExecutionEnvironment();
> File bla = File.createTempFile("foo", "baz");
> try(PrintWriter w = new PrintWriter(bla)) {
> w.println("one");
> w.println("two");
> w.println("three");
> }
> env.readTextFile(bla.getCanonicalPath())
> .writeUsingOutputFormat(new OutputFormat<String>() {
> @Override
> public void configure(final Configuration
> parameters) {
> }
> @Override
> public void open(final int taskNumber, final
> int numTasks) throws IOException {
> }
> @Override
> public void writeRecord(final String record)
> throws IOException {
> throw new
> IllegalArgumentException("bla");
> }
> @Override
> public void close() throws IOException {
> }
> });
> env.execute("go");
>
> // JOB TERMINATES WITH NO EXCEPTION / ERROR whatsoever ...
> }
> }
> {code}
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