I have an old project that is doing
catch (Exception e) {
e.printStacktrace();
}
all over the place. Now I want to log those stacktraces to a file using Logback. I couldn't find any solution online.
Is there a way in Logback, to log System.Error statements to a file? I've tried the following but doesn't work, it only writes STDOUT logs to the file.
If anyone could help, it'd be great, thanks!
def DEFAULT_PATTERN = "%d [%thread] %-5level %logger - %msg%n"
appender("STDOUT", ConsoleAppender) {
encoder(PatternLayoutEncoder) {
pattern = DEFAULT_PATTERN
charset = Charset.forName("UTF-8")
}
}
appender("SYSERR", ConsoleAppender) {
encoder(PatternLayoutEncoder) {
pattern = DEFAULT_PATTERN
charset = Charset.forName("UTF-8")
}
target = "System.err"
}
appender("FILE", RollingFileAppender) {
file = "logs/stdout.log"
append = true
encoder(PatternLayoutEncoder) {
pattern = DEFAULT_PATTERN
charset = Charset.forName("UTF-8")
}
filter(ch.qos.logback.classic.filter.ThresholdFilter) {
level = INFO
}
rollingPolicy(ch.qos.logback.core.rolling.TimeBasedRollingPolicy) {
fileNamePattern = "logs/stdout-%d{yyyy-MM-dd}.%i.log"
maxHistory = 10
timeBasedFileNamingAndTriggeringPolicy(ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP) {
maxFileSize = "1MB"
}
}
}
appender("ERROR", RollingFileAppender) {
file = "logs/errors.log"
append = true
encoder(PatternLayoutEncoder) {
pattern = DEFAULT_PATTERN
charset = Charset.forName("UTF-8")
}
filter(ch.qos.logback.classic.filter.ThresholdFilter) {
level = ERROR
}
rollingPolicy(ch.qos.logback.core.rolling.TimeBasedRollingPolicy) {
fileNamePattern = "logs/errors-%d{yyyy-MM-dd}.%i.log"
maxHistory = 10
timeBasedFileNamingAndTriggeringPolicy(ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP) {
maxFileSize = "1MB"
}
}
}
/* Make Spring less verbose. */
//logger("org.springframework", INFO)
//logger("org.springframework.web.servlet", INFO)
/* Quieten Thymeleaf. */
//logger("org.thymeleaf", INFO)
/* Jetty can be really noisy on a shaded jar. */
//logger("org.eclipse.jetty.webapp.WebAppClassLoader", INFO)
//logger("org.eclipse.jetty.util.resource.JarResource", INFO)
/* Quieten Jetty in general. */
//logger("org.eclipse", DEBUG);
def appenders = []
appenders.add("STDOUT")
appenders.add("SYSERR")
appenders.add("FILE")
appenders.add("ERROR")
root(INFO, appenders)
