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Re: a little disillusioned now tomcat 5

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: David Wilbur <wildboar(at)cybermesa(dot)com>
Cc: "pgsql-jdbc (at) postgresql " "(dot) org" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: a little disillusioned now tomcat 5
Date: 2004-01-28 13:13:50
Message-ID: 1075295629.1610.363.camel@localhost.localdomain (view raw or flat)
Thread:
Lists: pgsql-jdbc
Ok, now I set this up for tomcat 5, and the config file that needs to be
modified is in Catalina/localhost/servlet-examples.xml

where servlet-examples is the context.

FWIW, I used the admin tools to set this up, and again the postgres.jar
was in the common/lib dir

Dave
On Wed, 2004-01-28 at 07:45, Dave Cramer wrote:
> Note, this is on a tomcat 4 server, and web.xml was not changed,
> 
> I also dropped your example code into the classes dir of the web
> context, and a small test.jsp file in the jsp dir of the web context..
> 
> 
> Also reading the tomcat docs:
> 
> NOTE:Third Party drivers should be in jarfiles, not zipfiles. Tomcat
> only adds $CATALINA_HOME/common/lib/*.jar to the classpath.
>         NOTE: Do not install these jarfiles in your /WEB-INF/lib, or
>         $JAVA_HOME/jre/lib/ext, or anywhere else. You will experience
>         problems if you install them anyplace other than
>         $CATALINA_HOME/common/lib.
> 
> 
> Dave
> 
> On Tue, 2004-01-27 at 23:45, Dave Cramer wrote:
> > attached is a working server.xml. The context that has the jdbc
> > datasource is /examples
> > 
> > I placed the postgresql.jar into common, however I expect it would work
> > in other places.
> > 
> > Dave
> > 
> > 
> > On Tue, 2004-01-27 at 20:46, David Wilbur wrote:
> > > at the risk of being over kill ... i started over from scratch after  
> > > getting the mysql version working... on the first try.
> > > 
> > > 
> > > 
> > > here is the layout of the files in the project directory i have (and is  
> > > the same for the mysql project except it is DBTest)
> > > 
> > > ./build
> > > ./build/index.jsp
> > > ./build/WEB-INF
> > > ./build/WEB-INF/classes
> > > ./build/WEB-INF/classes/foo
> > > ./build/WEB-INF/classes/foo/PGTest.class
> > > ./build/WEB-INF/lib
> > > ./build/WEB-INF/web.xml
> > > ./build.xml
> > > ./src
> > > ./src/foo
> > > ./src/foo/PGTest.java
> > > ./web
> > > ./web/index.jsp
> > > ./web/WEB-INF
> > > ./web/WEB-INF/web.xml
> > > 
> > > 
> > > the build.xml file has one line changed in it from the one that the  
> > > tomcat doc suggests you use:
> > > 
> > >    <property name="catalina.home" value="/usr/local/jakarta/tomcat"/>
> > > 
> > > 
> > > after i build i
> > > 
> > > cp -r build  $CATALINA_HOME/webapps/PGTest
> > > 
> > > and then
> > > 
> > > $CATALINA_HOME/bin/startup.sh
> > > 
> > > which results in the page saying that you are not connected... but in  
> > > reality is not finding the driver if i place a try block around  
> > > Connection conn = ds.getConnection();
> > > 
> > > 
> > > 
> > > 
> > > 
> > > here are the relevant files in the reworked version:
> > > 
> > > 
> > > more ./web/WEB-INF/web.xml
> > > 
> > > 
> > > <?xml version="1.0" encoding="ISO-8859-1"?>
> > >      <!DOCTYPE web-app PUBLIC
> > >      "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
> > >      "http://java.sun.com/dtd/web-app_2_3.dtd">
> > > <web-app>
> > >    <description>PostgreSQL Test App</description>
> > >    <resource-ref>
> > >        <description>PG DB Connection</description>
> > >        <res-ref-name>jdbc/TestPG</res-ref-name>
> > >        <res-type>javax.sql.DataSource</res-type>
> > >        <res-auth>Container</res-auth>
> > >    </resource-ref>
> > > </web-app>
> > > 
> > > 
> > > 
> > > more ./web/index.jsp
> > > 
> > > 
> > > <html>
> > >    <head>
> > >      <title>PG Test</title>
> > >    </head>
> > >    <body>
> > > 
> > >    <%
> > >      foo.PGTest tst = new foo.PGTest();
> > >      tst.init();
> > >    %>
> > > 
> > >    <h2>Results</h2>
> > >      Foo <%= tst.getFoo() %><br/>
> > >      Bar <%= tst.getBar() %>
> > > 
> > >    </body>
> > > </html>
> > > 
> > > 
> > > 
> > > more ./src/foo/PGTest.java
> > > 
> > > 
> > > package foo;
> > > 
> > > import javax.naming.*;
> > > import javax.sql.*;
> > > import java.sql.*;
> > > 
> > > public class PGTest {
> > > 
> > >    String foo = "Not Connected";
> > >    int bar = -1;
> > > 
> > >    public void init() {
> > >      try{
> > >        Context ctx = new InitialContext();
> > >        if(ctx == null )
> > >            throw new Exception("Boom - No Context");
> > > 
> > >        DataSource ds =
> > >              (DataSource)ctx.lookup(
> > >                 "java:comp/env/jdbc/TestPG");
> > > 
> > >        if (ds != null) {
> > >          Connection conn = ds.getConnection();
> > > 
> > >          if(conn != null)  {
> > >              foo = "Got Connection "+conn.toString();
> > >              Statement stmt = conn.createStatement();
> > >              ResultSet rst =
> > >                  stmt.executeQuery(
> > >                    "select id, foo, bar from testdata");
> > >              if(rst.next()) {
> > >                 foo=rst.getString(2);
> > >                 bar=rst.getInt(3);
> > >              }
> > >              conn.close();
> > >          }
> > >        }
> > >      }catch(Exception e) {
> > >        e.printStackTrace();
> > >      }
> > >   }
> > > 
> > >   public String getFoo() { return foo; }
> > >   public int getBar() { return bar;}
> > > }
> > > 
> > > 
> > > 
> > > cat /usr/local/jakarta/tomcat/conf/server.xml
> > > 
> > > [snip]
> > > 
> > > <Context path="/PGTest" docBase="PGTest" debug="5" reloadable="true"  
> > > crossContext="true">
> > > 
> > >    <Logger className="org.apache.catalina.logger.FileLogger"  
> > > prefix="localhost_PGTest_log." suffix=".txt" timestamp="true"/>
> > > 
> > >    <Resource name="jdbc/TestPG" auth="Container"  
> > > type="javax.sql.DataSource"/>
> > > 
> > >    <ResourceParams name="jdbc/TestPG">
> > >      <parameter>
> > >        <name>factory</name>
> > >        <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
> > >      </parameter>
> > > 
> > >      <parameter>
> > >        <name>maxActive</name>
> > >        <value>100</value>
> > >      </parameter>
> > > 
> > >      <parameter>
> > >        <name>maxIdle</name>
> > >        <value>30</value>
> > >      </parameter>
> > > 
> > >      <parameter>
> > >        <name>maxWait</name>
> > >        <value>10000</value>
> > >      </parameter>
> > > 
> > >      <parameter>
> > >       <name>username</name>
> > >       <value>jakarta</value>
> > >      </parameter>
> > >      <parameter>
> > >       <name>password</name>
> > >       <value>tomcat</value>
> > >      </parameter>
> > > 
> > >      <parameter>
> > >         <name>driverClassName</name>
> > >         <value>org.postgres.Driver</value>
> > >      </parameter>
> > > 
> > >      <parameter>
> > >        <name>url</name>
> > >        <value>jdbc:postgresql://127.0.0.1:5432/test</value>
> > >      </parameter>
> > >    </ResourceParams>
> > > </Context>
> > > 
> > > [snip]
> > > 
> > > 
> > > 
> > > here is the environment that the server is started with:
> > > 
> > > 
> > > 
> > > ANT_HOME=/usr/local/jakarta/ant
> > > BASH=/bin/bash
> > > BASH_VERSINFO=([0]="2" [1]="05b" [2]="0" [3]="1" [4]="release"  
> > > [5]="powerpc-apple-darwin7.0")
> > > BASH_VERSION='2.05b.0(1)-release'
> > > CATALINA_HOME=/usr/local/jakarta/tomcat
> > > CLASSPATH=/Library/Java/Home/lib:/usr/local/jakarta/ant/lib
> > > COLUMNS=141
> > > DIRSTACK=()
> > > DYLD_LIBRARY_PATH=/usr/local/lib:/usr/X11R6/lib:/usr/lib:/usr/local/ 
> > > pgsql/lib:/usr/local/mysql/lib
> > > EUID=504
> > > GROUPS=()
> > > HISTFILE=/Users/jakarta/.bash_history
> > > HISTFILESIZE=500
> > > HISTSIZE=500
> > > HOME=/Users/jakarta
> > > HOSTNAME=Halley.local
> > > HOSTTYPE=powerpc
> > > IFS=$' \t\n'
> > > JAVA_HOME=/Library/Java/Home
> > > LINES=76
> > > MACHTYPE=powerpc-apple-darwin7.0
> > > MAILCHECK=60
> > > MANPATH=/usr/local/man:/usr/X11R6/man:/usr/share/man:/usr/local/pgsql/ 
> > > man:/usr/local/mysql/man
> > > MYSQL_DATA=/usr/local/mysql/var
> > > MYSQL_HOME=/usr/local/mysql
> > > OLDPWD=/Users/jakarta/Projects
> > > OPTERR=1
> > > OPTIND=1
> > > OSTYPE=darwin7.0
> > > PATH=/usr/local/bin:/usr/X11R6/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/ 
> > > local/jakarta/ant/bin:/usr/local/pgsql/bin:/usr/local/mysql/bin
> > > PGDATA=/usr/local/pgsql/data
> > > PGHOME=/usr/local/pgsql
> > > PIPESTATUS=([0]="0")
> > > PPID=8049
> > > PS1='\h:\w \u\$ '
> > > PS2='> '
> > > PS4='+ '
> > > PWD=/Users/jakarta/Projects/jakarta
> > > SHARED_SETUP_FILES=/usr/local/share/setup
> > > SHELL=/bin/bash
> > > SHELLOPTS=braceexpand:emacs:hashall:histexpand:history:interactive- 
> > > comments:monitor
> > > SHLVL=1
> > > TERM=xterm-color
> > > UID=504
> > > USER=jakarta
> > > _=pgtest.junk/src/foo/DBTest.java
> > > 
> > > 
> > > 
> > > here is an example that demonstrates that out of tomcat that the  
> > > postgres.jar  that is in the proper place for tomcat works for a  
> > > regular java app and that the account and url in the xml files are  
> > > correct:
> > > 
> > > echo $CLASSPATH
> > > /Library/Java/Home/lib:/usr/local/jakarta/ant/lib
> > > 
> > > export  
> > > CLASSPATH=${CLASSPATH}:/usr/local/jakarta/tomcat/common/lib/ 
> > > postgresql.jar:.
> > > 
> > > javac -classpath ${CLASSPATH} example/basic.java
> > > Note: example/basic.java uses or overrides a deprecated API.
> > > Note: Recompile with -deprecation for details.
> > > 
> > > java  example.basic jdbc:postgresql://127.0.0.1:5432/test jakarta tomcat
> > > PostgreSQL basic test v6.3 rev 1
> > > 
> > > Connecting to Database URL = jdbc:postgresql://127.0.0.1:5432/test
> > > Connected...Now creating a statement
> > > 
> > > Running tests:
> > > Inserted row with oid 17246
> > > Updated 4 rows
> > > deleted 2 rows
> > > performing a query
> > >    a=3 b=8
> > >    a=4 b=8
> > >    a=4 b=2
> > >    a=4 b=3
> > >    a=4 b=4
> > > performing another query
> > >    a=3 b=8
> > >    a=4 b=8
> > >    a=4 b=2
> > >    a=4 b=3
> > >    a=4 b=4
> > > performing a query limited to 3
> > >    a=3 b=8
> > >    a=4 b=8
> > >    a=4 b=2
> > > Now closing the connection
> > > 
> > > 
> > > ---------------------------(end of broadcast)---------------------------
> > > TIP 4: Don't 'kill -9' the postmaster
> > > 
-- 
Dave Cramer
519 939 0336
ICQ # 1467551

Attachment: servlets-examples.xml
Description: text/xml (1.4 KB)

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Next:From: Guido FialaDate: 2004-01-28 13:46:26
Subject: Re: getting primary key values for inserted records?
Previous:From: Dave CramerDate: 2004-01-28 12:45:27
Subject: Re: a little disillusioned

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