Alan Chaney wrote:
Hi
I am using Eclipse 3.3, tomcat 6.0.14, linux and Java 1.5
I have a web app which uses a JNDI data source. I wrote a very simple
test servlet to access the data source and display some values from
the database. First time around I used a local application context in
/META-INF/context.xml. This worked fine. I then moved the Resource
definition to a GlobalNamingResource in server.xml and that worked
fine with a ResourceRef in context.xml.
All well and good. I then renamed the app to ROOT with a path '/'.
The servlet still responds and renders text correctly at
http://localhost:8080/ but I get a javax.naming.NameNotFoundException
regardless of whether the resource definition in context.xml or
GlobalNamingResource in server.xml and referenced in context.xml.
Needless to say the database content is no longer displayed.
As a further test I exported the the war files as ROOT.war and
deployed the war to a tomcat instance. It deployed OK but I still got
the naming exception. I then deployed the original (non-ROOT) test app
to the same server and that worked.
It seems that for some reason a ROOT app cannot access a JNDI
DataSource. Has anyone seen anything like this or has any explanation
The exception report starts;
Failed to create datasource
javax.naming.NameNotFoundException: Name wrshowdbLink is not bound in
this Context
at org.apache.naming.NamingContext.lookup(NamingContext.java:770)
at org.apache.naming.NamingContext.lookup(NamingContext.java:140)
at org.apache.naming.NamingContext.lookup(NamingContext.java:781)
The context.xml is displayed below:
<?xml version="1.0" encoding="UTF-8"?>
<Context >
<ResourceLink name="wrshowdbLink" global="jdbc/wrshowdb"
type="javax.sql.DataSource"
/>
</Context>
The web.xml for the ROOT app is:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns="http://java.sun.com/xml/ns/javaee";
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd";
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"; id="WebApp_ID"
version="2.5">
<display-name>ROOT</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<description>Test of using root jndi</description>
<display-name>RootJndi</display-name>
<servlet-name>RootJndi</servlet-name>
<servlet-class>com.writingshow.test.RootJndi</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>RootJndi</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
and the GlobalResourceDef is:
<Resource auth="Container"
driverClassName="org.postgresql.Driver" maxActive="20"
maxIdle="10" maxWait="3000"
name="jdbc/wrshowdb" password="xxxxxxx"
removeAbandoned="true" type="javax.sql.DataSource"
url="jdbc:postgresql://127.0.0.1:5432/wrshowdb"
username="wrshow"/>
Hi Alan,
Is there a ./conf/Catalina/host/ROOT.xml?
--
Regards
Gabe Wong
NGASI AppServer Manager
Application server installation and configuration AUTOMATION
http://www.ngasi.com
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