When I try to add a JNDI lookup resource (DataSource) to the DefaultContext
node in the server.xml file, I always get a "Error retrieving attribute
debug" message (see attached screenshot).
I have the server.xml is configured as follows:
<Server . . .
<Engine defaultHost="localhost" name="Catalina">
<Host appBase="webapps" debug="1" name="localhost">
<DefaultContext>
<Resource auth="Container" name="jdbc/MySQL"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/MySQL">
<parameter>
<name>url</name>
<value>jdbc:mysql://localhost/test?zeroDateTimeBehavior=convertToNull</value
>
</parameter>
<parameter>
<name>password</name>
<value>root</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>10</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>100</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.mysql.jdbc.Driver</value>
</parameter>
<parameter>
<name>username</name>
<value>root</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>30</value>
</parameter>
</ResourceParams>
</DefaultContext>
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_log." suffix=".txt" timestamp="true"/>
</Host>
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_log." suffix=".txt" timestamp="true"/>
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
</Engine>
. . .
</Server>
Further, the admin log shows the following error:
. . .
2006-03-27 17:26:59 StandardContext[/admin]action: Select event on
Catalina:type=DefaultContext,host=localhost
2006-03-27 17:26:59 StandardContext[/admin]action: Error retrieving
attribute debug
javax.management.InstanceNotFoundException: MBeanServer cannot find MBean
with ObjectName Catalina:type=DefaultLoader,host=localhost
at
mx4j.server.MBeanServerImpl.findMBeanMetaData(MBeanServerImpl.java:528)
at
mx4j.server.MBeanServerImpl.getAttribute(MBeanServerImpl.java:1235)
at
org.apache.webapp.admin.defaultcontext.EditDefaultContextAction.perform(Edit
DefaultContextAction.java:198)
at org.apache.struts.action.Action.execute(Action.java:420)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProces
sor.java:484)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:152)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
java:540)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
at java.lang.Thread.run(Thread.java:534)
I'm not sure what the MBean error is all about. Any clues as to how I can
get this to work? Incidentally, the JNDI lookup works fine and the webapps
are accessing the JDBC Datasource, it's just the admin webapp that doesn't
seem to work with DefaultContext, even though some books tell you to
configure things this way.
Thanks in advance.
Todd
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