SEVERE com.thomsonreuters.ema.access.ChannelCallbackClient

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bmahajan
bmahajan Newcomer
in Elektron

how to capture thse SEVERE com.thomsonreuters.ema.access.ChannelCallbackClient

error types in log4j logging file in java?

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  • zoya faberov
    zoya faberov ✭✭✭✭✭
    Answer ✓

    Hello @bmahajan ,

    To capture these in Log4J you would pass a command line VM argument, for example:

    -Djava.util.logging.config.file=.\logging.properties

    With your custom logging.properties file defining how you wish to log into a file.

    I use the following logging.properties file that I put in the same directory and that was at some point adapted from an online sample. It logs timestamped, into emaj.log.X files:

    #This file contains log configuration for java logging API
    .level=INFO

    handlers=java.util.logging.FileHandler, java.util.logging.ConsoleHandler
    #handlers=java.util.logging.ConsoleHandler

    java.util.logging.ConsoleHandler.level=WARNING
    java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter

    java.util.logging.FileHandler.level=FINEST
    java.util.logging.FileHandler.pattern=.\emaj.log

    # Write 100000 bytes before rotating this file
    java.util.logging.FileHandler.limit=50000000

    # Number of rotating files to be used
    java.util.logging.FileHandler.count=20
    java.util.logging.FileHandler.formatter=java.util.logging.SimpleFormatter
    # Format timestamp as date/time with millisecond
    java.util.logging.SimpleFormatter.format=%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS.%1$tL %4$-7s %2$s %n%5$s

    For mode details on Log4J properties spec, and examples, there are many relevant online resource, such as:

    Log4J Example

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