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POWhy are Spring log messages listed as [ERROR] when there seem to be no errors?
 

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  1. POWhy are Spring log messages listed as [ERROR] when there seem to be no errors?
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    <p>I have a GWT/Spring application, building with Maven and the gwt-maven-plugin.</p> <p>When I run</p> <pre><code>mvn gwt:run </code></pre> <p>the gwt-maven-plugin runs the application and everything starts up and runs fine. What's bothering me is that the log messages claim [ERROR] on every line even though there are no apparent errors, and no message ever says what the error might be.</p> <p>My guess is that [ERROR] on every log line is from the gwt-maven-plugin, since what comes after seems to be Spring's log message like so... [ERROR] INFO: and when I run the app with mvn jetty:run, I see only the INFO: part of the messages.</p> <p>Attached is most of the log to standard out. Has anybody seen log output like this, or have any ideas about what could cause a plugin to log info messages as error messages?</p> <pre><code>[INFO] ------------------------------------------------------------------------ [INFO] Building GWT Maven Archetype 1.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] &gt;&gt;&gt; gwt-maven-plugin:2.4.0:run (default-cli) @ gwt &gt;&gt;&gt; [INFO] [INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ gwt --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 10 resources [INFO] [INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ gwt --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-war-plugin:2.1.1:exploded (default) @ gwt --- [INFO] Exploding webapp [INFO] Assembling webapp [gwt] in [/home/jay/workspace/buildtimer/target/gwt-1.0- SNAPSHOT] [INFO] Processing war project [INFO] Copying webapp resources [/home/jay/workspace/buildtimer/src/main/webapp] [INFO] Webapp assembled in [169 msecs] [INFO] [INFO] &lt;&lt;&lt; gwt-maven-plugin:2.4.0:run (default-cli) @ gwt &lt;&lt;&lt; [INFO] [INFO] --- gwt-maven-plugin:2.4.0:run (default-cli) @ gwt --- [INFO] create exploded Jetty webapp in /home/jay/workspace/buildtimer/target/gwt-1.0- SNAPSHOT [INFO] auto discovered modules [com.buildtimer.Main] [ERROR] Nov 14, 2011 7:38:44 PM org.springframework.web.context.ContextLoader initWebApplicationContext [ERROR] INFO: Root WebApplicationContext: initialization started [ERROR] Nov 14, 2011 7:38:44 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh [ERROR] INFO: Refreshing Root WebApplicationContext: startup date [Mon Nov 14 19:38:44 EST 2011]; root of context hierarchy [ERROR] Nov 14, 2011 7:38:44 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions [ERROR] INFO: Loading XML bean definitions from class path resource [META- INF/applicationContext.xml] [ERROR] Nov 14, 2011 7:38:44 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions [ERROR] INFO: Loading XML bean definitions from class path resource [META- INF/applicationContext-persistence.xml] [ERROR] Nov 14, 2011 7:38:44 PM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons [ERROR] INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1e42c6e: defining beans [org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.ann otation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.T ransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,tr ansactionManager,buildDao,dataSource,sessionFactory]; root of factory hierarchy [ERROR] Nov 14, 2011 7:38:45 PM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName [ERROR] INFO: Loaded JDBC driver: com.mysql.jdbc.Driver [ERROR] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". [ERROR] SLF4J: Defaulting to no-operation (NOP) logger implementation [ERROR] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. [ERROR] Nov 14, 2011 7:38:46 PM org.springframework.orm.hibernate3.LocalSessionFactoryBean buildSessionFactory [ERROR] INFO: Building new Hibernate SessionFactory [ERROR] Nov 14, 2011 7:38:48 PM org.springframework.orm.hibernate3.LocalSessionFactoryBean updateDatabaseSchema [ERROR] INFO: Updating database schema for Hibernate SessionFactory [ERROR] Nov 14, 2011 7:38:48 PM org.springframework.orm.hibernate3.HibernateTransactionManager afterPropertiesSet [ERROR] INFO: Using DataSource [org.springframework.jdbc.datasource.DriverManagerDataSource@1b0e438] of Hibernate SessionFactory for HibernateTransactionManager </code></pre> <p>My web.xml logging configuration is</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"&gt; &lt;web-app&gt; ... &lt;context-param&gt; &lt;param-name&gt;log4jConfigLocation&lt;/param-name&gt; &lt;param-value&gt;/WEB-INF/classes/log4j.properties.xml&lt;/param-value&gt; &lt;/context-param&gt; &lt;listener&gt; &lt;listener-class&gt;org.springframework.web.util.Log4jConfigListener&lt;/listener-class&gt; &lt;/listener&gt; ... &lt;/web-app&gt; </code></pre> <p>my log4j.properties.xml file</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8" ?&gt; &lt;!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"&gt; &lt;log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"&gt; &lt;appender name="rootAppender" class="org.apache.log4j.FileAppender" &gt; &lt;param name="file" value="app.log"/&gt; &lt;layout class="org.apache.log4j.PatternLayout"&gt; &lt;param name="ConversionPattern" value="%d %-5p %c - %m%n"/&gt; &lt;/layout&gt; &lt;/appender&gt; &lt;root&gt; &lt;priority value ="warn" /&gt; &lt;appender-ref ref="rootAppender" /&gt; &lt;/root&gt; &lt;/log4j:configuration&gt; </code></pre>
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    1. USJay
    1. USJay
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      1. POWhy are Spring log messages listed as [ERROR] when there seem to be no errors?
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      1. VTUpMod
    1. COwhat logging framework do you use and what configuration does it have? Probably the error is there.
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      1. USPeter Szanto
    2. COI've updated the question to include my log4j configuration.
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      1. USJay
 

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