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https://issues.apache.org/jira/browse/FLINK-2248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648945#comment-14648945
]
ASF GitHub Bot commented on FLINK-2248:
---------------------------------------
Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/957#discussion_r35956433
--- Diff:
flink-clients/src/test/java/org/apache/flink/client/CliFrontendLoggingTest.java
---
@@ -0,0 +1,111 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.client;
+
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.StreamingMode;
+import org.apache.flink.runtime.minicluster.LocalFlinkMiniCluster;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStream;
+import java.io.PrintStream;
+
+import static org.apache.flink.client.CliFrontendTestUtils.getTestJarPath;
+import static org.apache.flink.client.CliFrontendTestUtils.getConfigDir;
+import static org.junit.Assert.fail;
+
+public class CliFrontendLoggingTest {
+
+ private static LocalFlinkMiniCluster cluster;
+ private static Configuration config;
+ private static String hostPort;
+ private ByteArrayOutputStream stream = new ByteArrayOutputStream();
+ private CliFrontend cli;
+
+ @Before
+ public void setUp() throws Exception {
+ stream.reset();
+ System.setOut(new PrintStream(stream));
--- End diff --
You are overwriting stdout permanently here. You could save `System.out` to
a variable here and set it again in the `@After` method.
> Allow disabling of sdtout logging output
> ----------------------------------------
>
> Key: FLINK-2248
> URL: https://issues.apache.org/jira/browse/FLINK-2248
> Project: Flink
> Issue Type: Improvement
> Reporter: Theodore Vasiloudis
> Priority: Minor
> Labels: starter
>
> Currently when a job is submitted through the CLI we get in stdout all the
> log output about each stage in the job.
> It would useful to have an easy way to disable this output when submitting
> the job, as most of the time we are only interested in the log output if
> something goes wrong.
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