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https://issues.apache.org/jira/browse/SPARK-17543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15492406#comment-15492406
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Jagadeesan A S commented on SPARK-17543:
----------------------------------------
Started working on this.
> Missing log4j config file for tests in common/network-shuffle
> -------------------------------------------------------------
>
> Key: SPARK-17543
> URL: https://issues.apache.org/jira/browse/SPARK-17543
> Project: Spark
> Issue Type: Bug
> Reporter: Frederick Reiss
> Priority: Trivial
> Labels: starter
>
> *This is a small starter task to help new contributors practice the pull
> request and code review process.*
> The Maven module {{common/network-shuffle}} does not have a log4j
> configuration file for its test cases. Usually these configuration files are
> located inside each module, in the directory {{src/test/resources}}. The
> missing configuration file leads to a scary-looking but harmless series of
> errors and stack traces in Spark build logs:
> {noformat}
> SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
> SLF4J: Defaulting to no-operation (NOP) logger implementation
> SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further
> details.
> log4j:ERROR Could not read configuration file from URL
> [file:src/test/resources/log4j.properties].
> java.io.FileNotFoundException: src/test/resources/log4j.properties (No such
> file or directory)
> at java.io.FileInputStream.open(Native Method)
> at java.io.FileInputStream.<init>(FileInputStream.java:146)
> at java.io.FileInputStream.<init>(FileInputStream.java:101)
> at
> sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90)
> at
> sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188)
> at
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:557)
> at
> org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:526)
> at org.apache.log4j.LogManager.<clinit>(LogManager.java:127)
> at org.apache.log4j.Logger.getLogger(Logger.java:104)
> at
> io.netty.util.internal.logging.Log4JLoggerFactory.newInstance(Log4JLoggerFactory.java:29)
> at
> io.netty.util.internal.logging.InternalLoggerFactory.newDefaultFactory(InternalLoggerFactory.java:46)
> at
> io.netty.util.internal.logging.InternalLoggerFactory.<clinit>(InternalLoggerFactory.java:34)
> ...
> {noformat}
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