log4j

问题 Is there a way to retrieve the contents of the logger when its been passed by reference from a called Class. I have a simple example program set-up as follows, Class public class Doubler { static SimpleLogger logger; public Doubler(SimpleLogger logger) { this.logger = logger; } public int calc(int i) { int result = 2 * i; logger.info("\ninput is: " + i); logger.info("\nresult is: " + result); logger.info("summary==>" + "i: " + i + " " + "result: " + result); return result; } } Integration

问题 I work on a pretty big J2EE e-commerce website (3 billion turnover) and we developpers are kinda bored of the way we handle properties and log4j config. We actually have many applications, some of them use a main application. Each application have minor versions and each version have a properties/log4j configuration that handle many environnements (dev/packaging/integration/tests/pre-production/production). We can't put the properties directly on the SCM. The properties i talk about are not

问题 My spring application running Log4j through common-logging and slf4j-log4j12 In the following setting log4j.appender.ROL=org.apache.log4j.RollingFileAppender log4j.appender.ROL.Encoding=Unicode log4j.appender.ROL.File=E:\\I_Told_Ya.log log4j.appender.ROL.MaxFileSize=100000 log4j.appender.ROL.MaxBackupIndex=10 log4j.appender.ROL.layout=org.apache.log4j.PatternLayout log4j.appender.ROL.layout.ConversionPattern=%d -- %p -- %c -- %m%n When I set MaxFileSize=10000000 each log file grows until 19

问题 Below is my logging configuration. It is logging exactly what I want, but it is only logging it to a file. I would like to see the same information on the console. I have tried several variations, but with every variation I can only get the information logged to either the console or a file, not both. def appName = grails.util.Metadata.current.'app.name' def catalinaBase = System.properties.getProperty('catalina.base') catalinaBase = catalinaBase ?: "." def logDirectory = "${catalinaBase}$

问题 As per my requirement I just wanted to post HTTP message to other end which is logged by org.slf4j.LoggerFactory.getLogger() . The following JSON string logged at INFO level . { "studentName": "My Name", "Deratment": "Computer Science", "address": { "Address Line1": "My Address Line1", "Address Line2": "My Address Line2", "Address Line3": "My Address Line3" } } Considerations, Http message should post with MIME type application/json should process only the particular log in INFO level not all

问题 I have a log4j configuration file and it uses a ConsoleAppender with a specific layout. I use logger.info("some text"); in several places in my java code. Is it possible to create another appender with a different layout in the configuration file and use the specific appender wherever I choose in the code? 回答1: Is it possible to create another appender with a different layout in the configuration file and use the specific appender wherever I choose in the code? Yes you can create different

问题 I have a maven project with the following dependencies for logging: <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.5</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.5</version> </dependency> My properties file looks like this : ### Default logger configuration ### log4j.rootLogger = INFO, fa log4j.appender.fa = org.apache.log4j.FileAppender log4j.appender.fa.File = logs/ServerLogs

问题 I am migrating my application from log4j to log4j2 . Please find below the class which takes input (say mode is mode1 ) from the application current thread and appends it to the log file name (say log_mode1.log ) and creates the appender and updates the log files. Class: public class MultiFileAppender extends AppenderSkeleton { ... @Override protected void append(LoggingEvent event) { ... } @Override public void close() { } @Override public boolean requiresLayout() { ... } } Appender content

问题 I am trying to run the 2newsgroup classification example in Mahout. I have set: MAHOUT_LOCAL = true the classifier doesn't display the Confusion matrix and gives the following warnings: MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath. MAHOUT_LOCAL is set, running locally SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/lib/mahout/examples/target/mahout-examples-1.0-SNAPSHOT-job.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J:

问题 In my Tapestry application, I need to do a GET request to a certain URL at some point. I do it like this (using Apache's HttpClient 4.2.1) String scheme = getScheme(); String host = getHost(); int port = getPort(); String path = getPath(); String paramKey = getParamKey(); String paramValue = getParamValue(); URIBuilder builder = new URIBuilder(); builder .setScheme(scheme) .setHost(host) .setPort(port) .setPath(path) .setParameter(paramKey, paramValue); URI uri = builder.build(); HttpGet