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https://issues.apache.org/jira/browse/SSHD-1121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17269445#comment-17269445
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Lyor Goldstein commented on SSHD-1121:
--------------------------------------
This is clearly a misconfiguration of the logging - please read the relevant
documentation for the slf4j adapter you are using (seems to be log4j in your
case). We are using the slf4j API and thus it is up to the +user+ to decide
which adapter to use - our code is not involved in this in any way. These
adapters are pretty well documented and they require careful reading. My guess
is that you are placing the properties file in some non-default location and
failing to provide its correct location to the log4j adapter - read the
relevant documentation and figure this out. You can even debug the logging code
and see what adapter it loads, and what initialization this adapter does -
specifically where it is looking for the configuration file.
BTW: I think there is and error in using {{&LOG_DIR;}} - AFAIK this is not a
valid "macro" (but it has been some time since I used log4j so things may have
changed). Again - read the documentation carefully.
> Logging with Mina SSHD
> ----------------------
>
> Key: SSHD-1121
> URL: https://issues.apache.org/jira/browse/SSHD-1121
> Project: MINA SSHD
> Issue Type: Question
> Reporter: Susmit Sarkar
> Priority: Major
>
> Need to have control over the default logging for customer issues debugging.
> Currently using the below parameters in log4j.properties
> log4j.logger.org.apache.sshd=DEBUG
> log4j.logger.org.apache.sshd.common.channel.Window=DEBUG
> log4j.rootLogger=DEBUG,logfile
> log4j.appender.logfile=org.apache.log4j.RollingFileAppender
> log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
> log4j.appender.logfile.layout.ConversionPattern=%d\{dd MMM yyyy
> HH:mm:ss,SSS} [%t] %-5p %c\{1} %x - %m%n
> log4j.appender.logfile.File=&LOG_DIR;/sshdnativelogs.log
> log4j.appender.logfile.Append=true
> log4j.appender.logfile.MaxFileSize=1MB
> log4j.appender.logfile.MaxBackupIndex=10
>
> But here the problem is nothing is getting written to the log file. But when
> I run the application, in the console I am getting lots of logs, the same I
> need to get it print to a log file, but with the above properties it is not
> working
>
> 3671672 2021-01-21 20:00:42,951 [sshd-SftpSubsystem-thread-1] DEBUG
> org.apache.sshd.server.subsystem.sftp.SftpSubsystem -
> resolveMissingFileAttributes(ServerSessionImpl[admin@/0:0:0:0:0:0:0:1:59365])[/[permissions]]
> replace null with [OWNER_READ, OWNER_WRITE, GROUP_READ, GROUP_WRITE,
> OTHERS_READ, OTHERS_WRITE]
> 3671672 2021-01-21 20:00:42,951 [sshd-SftpSubsystem-thread-1] DEBUG
> org.apache.sshd.server.session.ServerSessionImpl -
> encode(ServerSessionImpl[admin@/0:0:0:0:0:0:0:1:59365]) packet #11 sending
> command=94[SSH_MSG_CHANNEL_DATA] len=261
> 3671751 2021-01-21 20:00:43,030 [NioProcessor-8] DEBUG
> org.apache.sshd.server.channel.ChannelSession -
> handleData(ChannelSession[id=0,
> recipient=256]-ServerSessionImpl[admin@/0:0:0:0:0:0:0:1:59365])
> SSH_MSG_CHANNEL_DATA len=14
>
> How will I have full control of enabling and disabling the logs as well
> apart from writing to a log file?
>
> Any suggestions will be be highly helpful
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