> From: ktou Ho [mailto:[EMAIL PROTECTED]
> Subject: RE: Singleton in Tomcat 6.0 not working
>
> Have you tried to put in it the "ROOT"?
Yes, I've tried putting it in ROOT, and I get only a single instance, using
Tomcat 6.0.16 under JDK 1.6.0_06.
For more information, add these lines to your constructor, immediately after
printing out the counter:
StackTraceElement[] traces = Thread.currentThread().getStackTrace();
for (StackTraceElement ste : traces) System.out.println(" " + ste);
This is what mine displays:
counter = 0
java.lang.Thread.getStackTrace(Thread.java:1426)
RemoteDBConnections.<init>(RemoteDBConnections.java:9)
RemoteDBConnections.<clinit>(RemoteDBConnections.java:3)
Hello.doGet(Hello.java:84)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)
org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:394)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
java.lang.Thread.run(Thread.java:619)
I'm not using any filters.
- Chuck
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