[jboss-user] [Beginner's Corner] - Java.util.logging.logger issue
Karthick M
do-not-reply at jboss.com
Wed Nov 3 11:22:44 EDT 2010
Karthick M [http://community.jboss.org/people/karthick_123] created the discussion
"Java.util.logging.logger issue"
To view the discussion, visit: http://community.jboss.org/message/569502#569502
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Hi,
I am new to Jboss EAP. Currently we are in process of migrating application into Jboss EAP 5.1.0. While application trying to print log message using java.util.logging.Logger info() method, it is throwing NULL pointer exception.
Please help me to resolve this issue:
Sample code from app:
import java.util.logging.Logger;
public class sampleServlet
{
Logger debug = Logger.getAnonymousLogger();
debug.info("----------- start web stats ------------");
}
Error message:
16:58:32,188 ERROR [[SSNValidationServlet]] Servlet.service() for servlet SSNValidationServlet threw exception
java.lang.NullPointerException
at org.apache.log4j.CategoryKey.<init>(CategoryKey.java:31)
at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:261)
at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:242)
at org.apache.log4j.LogManager.getLogger(LogManager.java:188)
at org.apache.log4j.Logger.getLogger(Logger.java:104)
at org.jboss.logbridge.LogBridgeHandler.publish(LogBridgeHandler.java:71)
at java.util.logging.Logger.log(Logger.java:458)
at java.util.logging.Logger.doLog(Logger.java:480)
at java.util.logging.Logger.log(Logger.java:503)
at java.util.logging.Logger.info(Logger.java:1022)
at com.putnaminv.corpapps.ElinkingApp.SSNValidationServlet.doPost(SSNValidationServlet.java:114)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451)
at java.lang.Thread.run(Thread.java:619)
16:59:59,314 INFO [ServerImpl] Runtime shutdown hook called, forceHalt: true
16:59:59,314 INFO [Http11Protocol] Pausing Coyote HTTP/1.1 on http-127.0.0.1-8080
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