HADOOP-17482: Remove Commons Logger from FileSystem Class #2633
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belugabehr
commented
Jan 20, 2021
...-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/DelegationTokenRenewer.java
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belugabehr
commented
Jan 20, 2021
...-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/DelegationTokenRenewer.java
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belugabehr
commented
Jan 20, 2021
| } | ||
| // and at debug: the full stack | ||
| LOG.debug("Stack Trace", ee); | ||
| LOGGER.warn("Cannot load filesystem", ee); |
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I'm not sure what the capability of Commons Logger is, but in SLF4J, the entire list of 'caused by' is printed so there is no need to do this manually when switching loggers, but this may also just be an oversight, I'm not sure.
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I think relying on slf4j and just dumping the whole exception is good.
belugabehr
commented
Jan 20, 2021
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| { | ||
| try { | ||
| GenericTestUtils.setLogLevel(FileSystem.LOG, Level.DEBUG); | ||
| } | ||
| catch(Exception e) { | ||
| System.out.println("Cannot change log level\n" | ||
| + StringUtils.stringifyException(e)); | ||
| } | ||
| } |
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Not good practice to modify this manually. Should be using log4j properties files to set logging levels.
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its a test and they may have had some good reasons, just as some of the Azure tests do
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We need to fix it properly then. @belugabehr do you mind undoing this particular one in a separate JIRA or proposing the log4j solution?
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goiri
approved these changes
Jan 27, 2021
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@goiri Thanks so much for the approval. Are you also able to do the merge? It's been a little while for me regarding the process and I'd need to research what the current practice/process is. |
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