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Re: [jetty-users] Getting JNDI/ db connection pool to work
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Bill,
This is the link to the page with the current docs:
https://www.eclipse.org/jetty/documentation/
I don't see a link to a "jetty dependencies" page. Likely you are
following out-of-date doco - alternatively post a link to the page
linked from the one of the doc bundles above and I'll amend/remove it
as necessary.
jetty-plus is most definitely still in use. You'll need it. I suggest
you look at either the embedded examples in the jetty repo or the
test-jndi webapp in the jetty distro to see what you need to do.
cheers
Jan
On 12 July 2015 at 02:45, Bill Ross <ross@xxxxxxxxxxxx> wrote:
> By the way, I notice the 'Jetty dependencies site' is broken, and the jndi
> intro page that mentions it looks out of date.
> Why isn't the source for jetty-jndi.jar in the distribution? It would be
> easier to debug. I found the jar on maven and got it via my build.gradle:
>
> compile group: 'org.eclipse.jetty', name: 'jetty-jndi', version:
> '9.3.0.v20150612'
>
> But now it gives me this on lookup:
>
> 09:25:46.627 [qtp1963387170-11] ERROR com.priot.servlet.GetSession - Naming
> javax.naming.NameNotFoundException
> at
> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:532)
> ~[jetty-jndi-9.3.0.v20150612.jar:9.3.0.v20150612]
> at
> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:563)
> ~[jetty-jndi-9.3.0.v20150612.jar:9.3.0.v20150612]
> at
> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:578)
> ~[jetty-jndi-9.3.0.v20150612.jar:9.3.0.v20150612]
> at
> org.eclipse.jetty.jndi.java.javaRootURLContext.lookup(javaRootURLContext.java:106)
> ~[jetty-jndi-9.3.0.v20150612.jar:9.3.0.v20150612]
> at javax.naming.InitialContext.lookup(InitialContext.java:417)
> ~[?:1.8.0_45]
> at com.priot.servlet.GetSession.doPost(GetSession.java:53)
> [classes/:?]
>
> I wonder if this I got from the doc is right, since it defines the name -
> what about the empty first arg?
> Hm - it uses jetty.plus but jetty-plus.jar seems to be a thing of the past
> (see note on out of date page above - jetty-plus.jar seems to have ended w/
> v7 in maven central). Another odd thing is that the name is in the Arg, not
> in the id, which is normally what I'd expect to use to look up an object:
>
> <Configure class="org.eclipse.jetty.webapp.WebAppContext">
> <New id="prDataSource" class="org.eclipse.jetty.plus.jndi.Resource">
> <Arg></Arg>
> <Arg>jdbc/pr</Arg>
> <Arg>
> <New class="com.mchange.v2.c3p0.ComboPooledDataSource">
> <Set name="driverClass">com.mysql.jdbc.Driver</Set>
> <Set name="jdbcUrl">jdbc:mysql://localhost:3306/pr</Set>
> <Set name="user">user</Set>
> <Set name="password">pwd</Set>
> </New>
> </Arg>
> </New>
> </Configure>
>
> Thanks,
> Bill
>
>
>
> On 7/10/2015 11:05 PM, Jan Bartel wrote:
>
> Looks to me that you don't have jetty-jndi.jar on the classpath - it
> contains the jndi impl.
>
> Jan
>
> On 11 July 2015 at 14:52, Bill Ross <ross@xxxxxxxxxxxx> wrote:
>
> I have:
>
> ----- src/main/webapp/WEB-INF/web.xml
>
> ...
> <resource-ref>
> <description>DataSource</description>
> <res-ref-name>jdbc/pr</res-ref-name>
> <res-type>javax.sql.DataSource</res-type>
> <res-auth>Container</res-auth>
> </resource-ref>
> ...
>
> ----- src/main/webapp/WEB-INF/jetty-env.xml
>
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN"
> "http://www.eclipse.org/jetty/configure.dtd";>
>
> <Configure class="org.eclipse.jetty.webapp.WebAppContext">
> <New id="prDataSource" class="org.eclipse.jetty.plus.jndi.Resource">
> <Arg></Arg>
> <Arg>jdbc/pr</Arg>
> <Arg>
> <New class="com.mchange.v2.c3p0.ComboPooledDataSource">
> <Set name="driverClass">com.mysql.jdbc.Driver</Set>
> <Set name="jdbcUrl">jdbc:mysql://localhost:3306/pr</Set>
> <Set name="user">user</Set>
> <Set name="password">pwd</Set>
> </New>
> </Arg>
> </New>
> </Configure>
>
> ------ src/main/java/com/priot/servlet/GetSession.java
>
> import javax.naming.InitialContext;
> import javax.naming.NamingException;
> import javax.sql.DataSource;
>
> InitialContext ic = new InitialContext();
> DataSource ds = (DataSource)ic.lookup("java:comp/env/jdbc/pr");
>
> --- Thrown on ic.lookup():
>
> 01:19:19.592 [qtp1963387170-40] ERROR com.priot.servlet.GetSession - Naming
> javax.naming.NoInitialContextException: Need to specify class name in
> environment or system property, or as an applet parameter, or in an
> application resource file: java.naming.factory.initial
> at
> javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:662)
> ~[?:1.8.0_45]
> at
> javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
> ~[?:1.8.0_45]
> at
> javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:350)
> ~[?:1.8.0_45]
> at javax.naming.InitialContext.lookup(InitialContext.java:417)
> ~[?:1.8.0_45]
> at com.priot.servlet.GetSession.doPost(GetSession.java:53)
> [classes/:?]
>
> It's as if my jetty-env.xml isn't being seen? But it is there in the war
> file (along with the .swp).
>
> Am I missing something obvious?
>
> Thanks,
> Bill
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--
Jan Bartel <janb@xxxxxxxxxxx>
www.webtide.com
'Expert assistance from the creators of Jetty and CometD'
