Tomcat4.0 Vs. Tomcat3.3
Tomcat4.0 Vs. Tomcat3.3, which one is more powerful more scalable, and has less bugs?
I read somewhere that Tomcat 4 has memory leaks...... is that true?
Similar Messages
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Tomcat4.0.3 Vs. Tomcat3.3
I think Tomcat3.3 is better than Tomcat4.0.3, the 4.0.x version has memory leak problem. there is no reason to install the 4.0 version
Is this related,
http://forum.java.sun.com/thread.jsp?forum=45&thread=240305 -
Hi how to add new folders under root for jsp in tomcat4.1.18
hi,
previsously i used tomcat3.3 and tomcat4.1.12 run sucessfully.
now i downloed jakartha_tomcat4.1.18,
i am running sample succesfuly direcly under root.
now i want my some jsp appilcationes to run under xyz,pqr folders
here my jsp files are abc.jsp,fgh.jsp while running file url like this
http://localhost:8080/xyz/abc.jsp
http://localhost:8080/pqr/fgh.jsp
while running url server not locate the files.
where i add these xyz and pqr folders in server.xml.
here my server.xml like this any one can modify this
<!-- Example Server Configuration File -->
<!-- Note that component elements are nested corresponding to their
parent-child relationships with each other -->
<!-- A "Server" is a singleton element that represents the entire JVM,
which may contain one or more "Service" instances. The Server
listens for a shutdown command on the indicated port.
Note: A "Server" is not itself a "Container", so you may not
define subcomponents such as "Valves" or "Loggers" at this level.
-->
<Server port="8005" shutdown="SHUTDOWN" debug="0">
<!-- Comment these entries out to disable JMX MBeans support -->
<!-- You may also configure custom components (e.g. Valves/Realms) by
including your own mbean-descriptor file(s), and setting the
"descriptors" attribute to point to a ';' seperated list of paths
(in the ClassLoader sense) of files to add to the default list.
e.g. descriptors="/com/myfirm/mypackage/mbean-descriptor.xml"
-->
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
debug="0"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>
<!-- Global JNDI resources -->
<GlobalNamingResources>
<!-- Test entry for demonstration purposes -->
<Environment name="simpleValue" type="java.lang.Integer" value="30"/>
<!-- Editable user database that can also be used by
UserDatabaseRealm to authenticate users -->
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved">
</Resource>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
</ResourceParams>
</GlobalNamingResources>
<!-- A "Service" is a collection of one or more "Connectors" that share
a single "Container" (and therefore the web applications visible
within that Container). Normally, that Container is an "Engine",
but this is not required.
Note: A "Service" is not itself a "Container", so you may not
define subcomponents such as "Valves" or "Loggers" at this level.
-->
<!-- Define the Tomcat Stand-Alone Service -->
<Service name="Tomcat-Standalone">
<!-- A "Connector" represents an endpoint by which requests are received
and responses are returned. Each Connector passes requests on to the
associated "Container" (normally an Engine) for processing.
By default, a non-SSL HTTP/1.1 Connector is established on port 8080.
You can also enable an SSL HTTP/1.1 Connector on port 8443 by
following the instructions below and uncommenting the second Connector
entry. SSL support requires the following steps (see the SSL Config
HOWTO in the Tomcat 4.0 documentation bundle for more detailed
instructions):
* Download and install JSSE 1.0.2 or later, and put the JAR files
into "$JAVA_HOME/jre/lib/ext".
* Execute:
%JAVA_HOME%\bin\keytool -genkey -alias tomcat -keyalg RSA (Windows)
$JAVA_HOME/bin/keytool -genkey -alias tomcat -keyalg RSA (Unix)
with a password value of "changeit" for both the certificate and
the keystore itself.
By default, DNS lookups are enabled when a web application calls
request.getRemoteHost(). This can have an adverse impact on
performance, so you can disable it by setting the
"enableLookups" attribute to "false". When DNS lookups are disabled,
request.getRemoteHost() will return the String version of the
IP address of the remote client.
-->
<!-- Define a non-SSL Coyote HTTP/1.1 Connector on port 8080 -->
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8080" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="100" debug="0" connectionTimeout="20000"
useURIValidationHack="false" disableUploadTimeout="true" />
<!-- Note : To disable connection timeouts, set connectionTimeout value
to -1 -->
<!-- Define a SSL Coyote HTTP/1.1 Connector on port 8443 -->
<!--
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8443" minProcessors="5" maxProcessors="75"
enableLookups="true"
acceptCount="100" debug="0" scheme="https" secure="true"
useURIValidationHack="false" disableUploadTimeout="true">
<Factory className="org.apache.coyote.tomcat4.CoyoteServerSocketFactory"
clientAuth="false" protocol="TLS" />
</Connector>
-->
<!-- Define a Coyote/JK2 AJP 1.3 Connector on port 8009 -->
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8009" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" connectionTimeout="0"
useURIValidationHack="false"
protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
<!-- Define an AJP 1.3 Connector on port 8009 -->
<!--
<Connector className="org.apache.ajp.tomcat4.Ajp13Connector"
port="8009" minProcessors="5" maxProcessors="75"
acceptCount="10" debug="0"/>
-->
<!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
<!-- See proxy documentation for more information about using this. -->
<!--
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8082" minProcessors="5" maxProcessors="75"
enableLookups="true"
acceptCount="100" debug="0" connectionTimeout="20000"
proxyPort="80" useURIValidationHack="false"
disableUploadTimeout="true" />
-->
<!-- Define a non-SSL legacy HTTP/1.1 Test Connector on port 8083 -->
<!--
<Connector className="org.apache.catalina.connector.http.HttpConnector"
port="8083" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" />
-->
<!-- Define a non-SSL HTTP/1.0 Test Connector on port 8084 -->
<!--
<Connector className="org.apache.catalina.connector.http10.HttpConnector"
port="8084" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" />
-->
<!-- An Engine represents the entry point (within Catalina) that processes
every request. The Engine implementation for Tomcat stand alone
analyzes the HTTP headers included with the request, and passes them
on to the appropriate Host (virtual host). -->
<!-- You should set jvmRoute to support load-balancing via JK/JK2 ie :
<Engine name="Standalone" defaultHost="localhost" debug="0" jmvRoute="jvm1">
-->
<!-- Define the top level container in our container hierarchy -->
<Engine name="Standalone" defaultHost="localhost" debug="0">
<!-- The request dumper valve dumps useful debugging information about
the request headers and cookies that were received, and the response
headers and cookies that were sent, for all requests received by
this instance of Tomcat. If you care only about requests to a
particular virtual host, or a particular application, nest this
element inside the corresponding <Host> or <Context> entry instead.
For a similar mechanism that is portable to all Servlet 2.3
containers, check out the "RequestDumperFilter" Filter in the
example application (the source for this filter may be found in
"$CATALINA_HOME/webapps/examples/WEB-INF/classes/filters").
Request dumping is disabled by default. Uncomment the following
element to enable it. -->
<!--
<Valve className="org.apache.catalina.valves.RequestDumperValve"/>
-->
<!-- Global logger unless overridden at lower levels -->
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_log." suffix=".txt"
timestamp="true"/>
<!-- Because this Realm is here, an instance will be shared globally -->
<!-- This Realm uses the UserDatabase configured in the global JNDI
resources under the key "UserDatabase". Any edits
that are performed against this UserDatabase are immediately
available for use by the Realm. -->
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
debug="0" resourceName="UserDatabase"/>
<!-- Comment out the old realm but leave here for now in case we
need to go back quickly -->
<!--
<Realm className="org.apache.catalina.realm.MemoryRealm" />
-->
<!-- Replace the above Realm with one of the following to get a Realm
stored in a database and accessed via JDBC -->
<!--
<Realm className="org.apache.catalina.realm.JDBCRealm" debug="99"
driverName="org.gjt.mm.mysql.Driver"
connectionURL="jdbc:mysql://localhost/authority"
connectionName="test" connectionPassword="test"
userTable="users" userNameCol="user_name" userCredCol="user_pass"
userRoleTable="user_roles" roleNameCol="role_name" />
-->
<!--
<Realm className="org.apache.catalina.realm.JDBCRealm" debug="99"
driverName="oracle.jdbc.driver.OracleDriver"
connectionURL="jdbc:oracle:thin:@ntserver:1521:ORCL"
connectionName="scott" connectionPassword="tiger"
userTable="users" userNameCol="user_name" userCredCol="user_pass"
userRoleTable="user_roles" roleNameCol="role_name" />
-->
<!--
<Realm className="org.apache.catalina.realm.JDBCRealm" debug="99"
driverName="sun.jdbc.odbc.JdbcOdbcDriver"
connectionURL="jdbc:odbc:CATALINA"
userTable="users" userNameCol="user_name" userCredCol="user_pass"
userRoleTable="user_roles" roleNameCol="role_name" />
-->
<!-- Define the default virtual host -->
<Host name="localhost" debug="0" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<!-- Normally, users must authenticate themselves to each web app
individually. Uncomment the following entry if you would like
a user to be authenticated the first time they encounter a
resource protected by a security constraint, and then have that
user identity maintained across all web applications contained
in this virtual host. -->
<!--
<Valve className="org.apache.catalina.authenticator.SingleSignOn"
debug="0"/>
-->
<!-- Access log processes all requests for this virtual host. By
default, log files are created in the "logs" directory relative to
$CATALINA_HOME. If you wish, you can specify a different
directory with the "directory" attribute. Specify either a relative
(to $CATALINA_HOME) or absolute path to the desired directory.
-->
<!--
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="logs" prefix="localhost_access_log." suffix=".txt"
pattern="common" resolveHosts="false"/>
-->
<!-- Logger shared by all Contexts related to this virtual host. By
default (when using FileLogger), log files are created in the "logs"
directory relative to $CATALINA_HOME. If you wish, you can specify
a different directory with the "directory" attribute. Specify either a
relative (to $CATALINA_HOME) or absolute path to the desired
directory.-->
<Logger className="org.apache.catalina.logger.FileLogger"
directory="logs" prefix="localhost_log." suffix=".txt"
timestamp="true"/>
<!-- Define properties for each web application. This is only needed
if you want to set non-default properties, or have web application
document roots in places other than the virtual host's appBase
directory. -->
<!-- Tomcat Root Context -->
<Context path="" docBase="ROOT" debug="0"/>
<!-- Tomcat Examples Context -->
<Context path="/examples" docBase="examples" debug="0"
reloadable="true" crossContext="true">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_examples_log." suffix=".txt"
timestamp="true"/>
<Ejb name="ejb/EmplRecord" type="Entity"
home="com.wombat.empl.EmployeeRecordHome"
remote="com.wombat.empl.EmployeeRecord"/>
<!-- If you wanted the examples app to be able to edit the
user database, you would uncomment the following entry.
Of course, you would want to enable security on the
application as well, so this is not done by default!
The database object could be accessed like this:
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
UserDatabase database =
(UserDatabase) envCtx.lookup("userDatabase");
-->
<!--
<ResourceLink name="userDatabase" global="UserDatabase"
type="org.apache.catalina.UserDatabase"/>
-->
<!-- PersistentManager: Uncomment the section below to test Persistent
Sessions.
saveOnRestart: If true, all active sessions will be saved
to the Store when Catalina is shutdown, regardless of
other settings. All Sessions found in the Store will be
loaded on startup. Sessions past their expiration are
ignored in both cases.
maxActiveSessions: If 0 or greater, having too many active
sessions will result in some being swapped out. minIdleSwap
limits this. -1 or 0 means unlimited sessions are allowed.
If it is not possible to swap sessions new sessions will
be rejected.
This avoids thrashing when the site is highly active.
minIdleSwap: Sessions must be idle for at least this long
(in seconds) before they will be swapped out due to
activity.
0 means sessions will almost always be swapped out after
use - this will be noticeably slow for your users.
maxIdleSwap: Sessions will be swapped out if idle for this
long (in seconds). If minIdleSwap is higher, then it will
override this. This isn't exact: it is checked periodically.
-1 means sessions won't be swapped out for this reason,
although they may be swapped out for maxActiveSessions.
If set to >= 0, guarantees that all sessions found in the
Store will be loaded on startup.
maxIdleBackup: Sessions will be backed up (saved to the Store,
but left in active memory) if idle for this long (in seconds),
and all sessions found in the Store will be loaded on startup.
If set to -1 sessions will not be backed up, 0 means they
should be backed up shortly after being used.
To clear sessions from the Store, set maxActiveSessions, maxIdleSwap,
and minIdleBackup all to -1, saveOnRestart to false, then restart
Catalina.
-->
<!--
<Manager className="org.apache.catalina.session.PersistentManager"
debug="0"
saveOnRestart="true"
maxActiveSessions="-1"
minIdleSwap="-1"
maxIdleSwap="-1"
maxIdleBackup="-1">
<Store className="org.apache.catalina.session.FileStore"/>
</Manager>
-->
<Environment name="maxExemptions" type="java.lang.Integer"
value="15"/>
<Parameter name="context.param.name" value="context.param.value"
override="false"/>
<Resource name="jdbc/EmployeeAppDb" auth="SERVLET"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/EmployeeAppDb">
<parameter><name>username</name><value>sa</value></parameter>
<parameter><name>password</name><value></value></parameter>
<parameter><name>driverClassName</name>
<value>org.hsql.jdbcDriver</value></parameter>
<parameter><name>url</name>
<value>jdbc:HypersonicSQL:database</value></parameter>
</ResourceParams>
<Resource name="mail/Session" auth="Container"
type="javax.mail.Session"/>
<ResourceParams name="mail/Session">
<parameter>
<name>mail.smtp.host</name>
<value>localhost</value>
</parameter>
</ResourceParams>
<ResourceLink name="linkToGlobalResource"
global="simpleValue"
type="java.lang.Integer"/>
</Context>
</Host>
</Engine>
</Service>
<!-- The MOD_WEBAPP connector is used to connect Apache 1.3 with Tomcat 4.0
as its servlet container. Please read the README.txt file coming with
the WebApp Module distribution on how to build it.
(Or check out the "jakarta-tomcat-connectors/webapp" CVS repository)
To configure the Apache side, you must ensure that you have the
"ServerName" and "Port" directives defined in "httpd.conf". Then,
lines like these to the bottom of your "httpd.conf" file:
LoadModule webapp_module libexec/mod_webapp.so
WebAppConnection warpConnection warp localhost:8008
WebAppDeploy examples warpConnection /examples/
The next time you restart Apache (after restarting Tomcat, if needed)
the connection will be established, and all applications you make
visible via "WebAppDeploy" directives can be accessed through Apache.
-->
<!-- Define an Apache-Connector Service -->
<!--
<Service name="Tomcat-Apache">
<Connector className="org.apache.catalina.connector.warp.WarpConnector"
port="8008" minProcessors="5" maxProcessors="75"
enableLookups="true" appBase="webapps"
acceptCount="10" debug="0"/>
<Engine className="org.apache.catalina.connector.warp.WarpEngine"
name="Apache" debug="0">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="apache_log." suffix=".txt"
timestamp="true"/>
<Realm className="org.apache.catalina.realm.MemoryRealm" />
</Engine>
</Service>
-->
</Server>
==========
any one may modify above one
thanks
pullareddyjAs the server.xml is big enough, I took the minimum portion of it. Hope u can proceed with it.
<!-- Tomcat Root Context -->
<Context path="" docBase="ROOT" debug="0"/>
<!-- New contexts -->
<Context path="/xyz" docBase="pathTo_xyz" debug="0" crossContext="true"/>
<Context path="/pqr" docBase="pathTo_pqr" debug="0" crossContext="true"/>
<!-- Tomcat Examples Context -->
<Context path="/examples" docBase="examples" debug="0"
reloadable="true" crossContext="true">
You should also provide a WEB-INF folder under pqr or xyz folder.
You should also provide a web.xml file under each WEB-INF folder.
The minimal web.xml is
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/j2ee/dtd/web-app_2_3.dtd">
<web-app>
</web-app>
That's it. Try it out. Hope it is OK.
Hafizur Rahman
SCJP -
Null connection when trying to connect to SQL Server 2000 in Tomcat4.1.29
Hi All,
I am still struggling with null connection when trying to connect to sql server 2000 with tomcat using sun.jdbc.odbc.JdbcOdbcDriver
Here is my server.xml
<Server port="8005" shutdown="SHUTDOWN" debug="0">
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
debug="0"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>
<GlobalNamingResources>
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved">
</Resource>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
</ResourceParams>
<Resource auth="Container" description="Users and Groups
Database" name="UserDatabase"
scope="Shareable"
type="org.apache.catalina.UserDatabase"/>
<Resource name="jdbc/DefaultDS" scope="Shareable"
type="javax.sql.DataSource"/>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.
MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
</ResourceParams>
<ResourceParams name="jdbc/DefaultDS">
<parameter>
<name>validationQuery</name>
<value></value>
</parameter>
<parameter>
<name>user</name>
<value>sa</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>4</value>
</parameter>
<parameter>
<name>password</name>
<value>sa</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>2</value>
</parameter>
</ResourceParams>
</GlobalNamingResources>
<!-- Define the Tomcat Stand-Alone Service -->
<Service name="Tomcat-Standalone">
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8080" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="100" debug="0" connectionTimeout="20000"
useURIValidationHack="false" disableUploadTimeout="true" />
<!-- Note : To disable connection timeouts, set connectionTimeout value
to -1 -->
<!-- Define a SSL Coyote HTTP/1.1 Connector on port 8443 -->
<!--
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8443" minProcessors="5" maxProcessors="75"
enableLookups="true"
acceptCount="100" debug="0" scheme="https" secure="true"
useURIValidationHack="false" disableUploadTimeout="true">
<Factory className="org.apache.coyote.tomcat4.CoyoteServerSocketFactory"
clientAuth="false" protocol="TLS" />
</Connector>
-->
<!-- Define a Coyote/JK2 AJP 1.3 Connector on port 8009 -->
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8009" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" connectionTimeout="0"
useURIValidationHack="false"
protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
<!-- Define an AJP 1.3 Connector on port 8009 --><Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_log." suffix=".txt"
timestamp="true"/>
<!-- Define the default virtual host -->
<Host name="localhost" debug="0" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Logger className="org.apache.catalina.logger.FileLogger"
directory="logs" prefix="localhost_log." suffix=".txt"
timestamp="true"/>
<Environment name="maxExemptions" type="java.lang.Integer"
value="15"/>
<Parameter name="context.param.name" value="context.param.value"
override="false"/>
<Resource name="jdbc/DefaultDS" auth="container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/DefaultDS">
<!-- Maximum number of dB connections in pool.
Set to 0 for no limit.
-->
<parameter>
<name>maxActive</name>
<value>8</value>
</parameter>
<!-- Maximum number of idle dB connections to retain in pool.
Set to 0 for no limit.
-->
<parameter>
<name>maxIdle</name>
<value>4</value>
</parameter>
<!-- Maximum time to wait for a dB connection to become available
in ms, in this example 10 seconds. An Exception is thrown if
this timeout is exceeded. Set to -1 to wait indefinitely.
-->
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<!-- MS Sql Server dB username and password for dB connections
-->
<parameter>
<name>user</name>
<value>sa</value>
</parameter>
<parameter>
<name>password</name>
<value>sa</value>
</parameter>
<!-- Class name for MS Sql Server JDBC driver
-->
<parameter>
<name>driverClassName</name>
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
<!-- The JDBC connection url for connecting to MS Sql Server dB.
-->
<parameter>
<name>url</name>
<value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
</parameter>
<!-- This Databae Connection Pool Description.
-->
<parameter>
<name>description</name>
<value>JDBC Driver: sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
</ResourceParams>
<Resource name="mail/Session" auth="Container"
type="javax.mail.Session"/>
<ResourceParams name="mail/Session">
<parameter>
<name>mail.smtp.host</name>
<value>localhost</value>
</parameter>
</ResourceParams>
<ResourceLink name="linkToGlobalResource"
global="simpleValue"
type="java.lang.Integer"/>
</Host>
</Engine>
</Service>
</Server>
and my web.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<!-- Standard Action Servlet Mapping -->
<web-app>
<resource-ref>
<res-ref-name>jdbc/DefaultDS</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
and JBoss-SQL is data source I created from control panel settings and here is way I am retrieving connetion
InitialContext initCtx = new InitialContext();
DataSource ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/DefaultDS");
Connection con = ds.getConnection();
return con;
I tried connecting as mentioned in this website
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jndi-datasource-examples-howto.html#Common%20Problems.But didn't help
Please help urgent
Sorry for long file. Can any one please help me in solving this problem.
Thanks in advnace
KurakulaI'd recommend that you not use the JDBC-ODBC bridge driver to connect to SQL Server. M$ and jTDS are two free type IV JDBC drivers that you should use instead. Put those JARs in the WEB-INF/lib directory.
The database URL you're using is not correct if you change drivers. Consult the docs to find out what the proper syntax is.
MOD -
How can i create work directory for Tomcat4 which is installed on Mandrake
Hello Everybody,
I installed Tomcat4 with the help of JPackage on Madrake Linux. It is working fine. But Unfortunatly my work folder in tomcat4 is deleted. I restarted my Tomcat, But the work folder not created. my application is not working. I need help from u people. Is there any other options to create work folder. I installed the tomcat4 from jpackage.
Thanks in advance, Naveen Kumar Madugula4) Advanced Configuration - Multiple Tomcat 4 Instances
In many circumstances, it is desirable to have a single copy of a Tomcat 4
binary distribution shared among multiple users on the same server. To make
this possible, you must configure a CATALINA_BASE environment variable (in
addition to CATALINA_HOME as described above) that points to a directory
that is unique to your instance.
When you do this, Tomcat 4 will calculate all relative references for files in
the following directories based on the value for CATALINA_BASE instead of
CATALINA_HOME:
* conf - Server configuration files (including server.xml)
* logs - Log and output files
* shared - For classes and resources that must be shared across all web
applications
* webapps - Automatically loaded web applications
* work - Temporary working directories for web applications
* temp - Directory used by the JVM for temporary files (java.io.tmpdir)
If you do not set CATALINA_BASE to an explicit value, it will be initialized
to the same value as is set for CATALINA_HOME (which means that the same
directory is used for all relative path resolutions).
more -> http://jakarta.apache.org/tomcat/tomcat-4.1-doc/RUNNING.txt -
How to print only fatal error in log file in tomcat4.1
Hi all ,i m using tomcat4.1
1> i want to print only fatal error in log file ,but it print all thing in log file ,how i can avoid it(because i think this process is consuming my resource)
assume below ip address is corect:
this is exact printing in my log file
.12.2.3.3 - - [24/Oct/2007:00:00:00 5050] "GET /menu/ir.jsp HTTP/1.1" 200 2828
12.2.3.3 - - [24/Oct/2007:00:00:00 5050] "GET /menu/bottomAdv.jsp HTTP/1.1" 200 528
12.2.3.3 - - [24/Oct/2007:00:00:02 5050] "GET /menu/alerts.jsp HTTP/1.1" 200 323
12.2.3.3 - - [24/Oct/2007:00:00:02 5050] "GET /alerts/createAlertShow.jsp HTTP/1.1" 200 26140
123.2.3. - - [24/Oct/2007:00:00:05 5050] "GET /menu/getsensex.jsp HTTP/1.1" 200 642
12.2.3.3 - - [24/Oct/2007:00:00:05 5050] "GET /menu/latestRecommendation.jsp HTTP/1.1" 200 5210
12.2.3.3 - - [24/Oct/2007:00:00:05 5050] "GET /portfolio/watchlist/displayWatchlistItemsShow.jsp?watchlistId=20070509013642953_1&watchlistName=First&refreshRate=900&flag=1 HTTP/1.1" 500 7257
12.2.3.3 - - [24/Oct/2007:00:00:05 5050] "GET /menu/iwealthNewsScroller.jsp HTTP/1.1" 200 2828
112.23.3 - - [24/Oct/2007:00:00:06 5050] "GET /menu/alerts.jsp HTTP/1.1" 200 323
112.23.3 - - [24/Oct/2007:00:00:06 5050] "GET /menu/bottomAdv.jsp HTTP/1.1" 200 528
12.2.3.3 - - [24/Oct/2007:00:00:07 5050] "GET /menu/alerts.jsp HTTP/1.0" 200 323
12.2.3.3 - - [24/Oct/2007:00:00:09 5050] "POST /Transaction/equity/modifyConfirmShow.jsp?DelId=0 HTTP/1.1" 200 28661
12.2.3.3 - - [24/Oct/2007:00:00:09 5050] "GET /menu/getsensex.jsp HTTP/1.1" 200 6422>what will happen if i change timestamp="false" and what is the significance of verbosity="1" or "2" or "3" ,or "4" and what happen if i change debug="1" or other in below code
<Logger className="org.apache.catalina.logger.FileLogger" debug="0" directory="logs" prefix="www.xyz_log." suffix=".txt" timestamp="true" verbosity="4"/>Edited by: Deepak23 on Oct 24, 2007 10:41 PM
Edited by: Deepak23 on Oct 24, 2007 11:16 PMOne of my standard answers (which will explain the use of Directory Objects)...
The UTL_FILE_DIR parameter has been deprecated by oracle in favour of direcory objects because of it's security problems.
The correct thing to do is to create a directory object e.g.:
CREATE OR REPLACE DIRECTORY mydir AS 'c:\myfiles';Note: This does not create the directory on the file system. You have to do that yourself and ensure that oracle has permission to read/write to that file system directory.
Then, grant permission to the users who require access e.g....
GRANT READ,WRITE ON DIRECTORY mydir TO myuser;Then use that directory object inside your FOPEN statement e.g.
fh := UTL_FILE.FOPEN('MYDIR', 'myfile.txt', 'r');Note: You MUST specify the directory object name in quotes and in UPPER case for this to work as it is a string that is referring to a database object name which will have been stored in uppercase by default. -
Hi...when I tried to access my JSp file from tomcat 4.1.27 web server, I got the following error message. Can anyone help me out?
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: -1 in the jsp file: null
Generated servlet error:
[javac] Compiling 1 source file
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:8: '.' expected
import java;
^
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:80: illegal start of expression
private static java.util.Vector jspxincludes;
^
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:82: illegal start of expression
public java.util.List getIncludes() {
^
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:280: '}' expected
^
4 errors
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:130)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:293)
at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:353)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:370)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:473)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2416)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:601)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:534)You JSP has four compile errors:
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:8: '.' expected
import java;Invalid import. You need to import a whole package (*) or single class.
import java; is wrong
import java.util.*; is right
import java.util.List; is right
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:80: illegal start of expression
private static java.util.Vector jspxincludes;
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:82: illegal start of expression
public java.util.List getIncludes() {Check the lines before these to make sure you didn't leave off a semi-colon, parens (')') or bracket ('}').
C:\Tomcat\work\Standalone\localhost\Tree\jspfiles\tree_jsp.java:280: '}' expectedYou are missing a closing bracket ('}') somewhere.
The message about the "line -1" error is the standard message that is always given when there are compile errors in the JSP. -
Tomcat3.3, JSP, getOutputStream() has already been called
In Tomcat 3.3a, I get an IllegalStateException....
getOutputStream() has already been called... error
when running a JSP page that renders an image.
<img src="image.jsp?image=name.gif">
I want to use JSP to keep everything JSP...and it works fine in Tomcat3.1. (actually, both Tomcat version work...
just that 3.3a gives the exception)
(Of course the servlet solution works fine in Tomcat3.3 ...which is my backup solution). The JSP code is.....
FileInputStream inputStream = new FileInputStream(path+img);
//System.out.println("inputStream.available()="+inputStream.available());
byte x[] = new byte[inputStream.available()];
inputStream.read(x);
inputStream.close();
response.setContentType("image/"+imgtype);
ServletOutputStream outs = response.getOutputStream();
outs.write(x);
outs.flush();
outs.close();
Any ideas???
PS.. I can't figure out how to change my old profile...
My proper email address is [email protected]Not sure why this doesn't work - obviously the outputStream has already been used in the JSP. You could look at the generated servlet code to determine where this occurs. Another idea is to reset the buffer before opening the stream.
Good Luck. -
Problem in getting index page of Tomcat3.2(urgent!!!)
Hello!
I am not able to get index page of Tomcat3.2
I am getting error page can not be displayed, when I wrote http://localhost:8080/index.html.
Could u send me what could be problem and what will be solution
Thanks in advace !
Regards,
Riteshmight be a stupid question, but is the tomcat server actually running?
Maybe you have to start the server via the startup script first...
Hope that helps
ADowning -
TOMCAT4.0 / Webpage access
Hi, All
I've downloaded TOMCAT4.0 and written a application using HTML/JAVASCRIPT/JSP using INSTANTDB to access a database. All this I've done on my local drive. And it works. My problem now is that I've uploaded all the programs to my ISP web space, but when I try to access my application all the code accessing the database does not work.
Q: Do I need to keep my application local and then people can access it on my local drive ? If I can keep it local. How do you as web-user access this application?
Do I need to run my TOMCAT sever all the time?
Q: Can I keep it on my ISP webspace but need to upload some additional software to make my database access working? Bucause it uses TOMCAT to access my INSTANTDB database how will I run it on my ISP?
Any help would be appreciated.C'mon ... someone please answer this. I believe it's a pretty good question. I have been wondering about this too. How does the web-hosting model works with database access, servlets, EJBs, etc.?
Kamran -
JNDI with TOMCAT4.0 to CLOUDSCAPE ? need explanation
Hi All,
I'm using TOMCAT4.0 and Cloudscape.
I got below code 1,2,and 3. When I ran it, I can't look up the cloudscape database ?
(I print out "************** null ***************")
Why? It looks like there is no link between jdbc/books and cloudscape database.
How do we correct it? or what is missing in terms of network connection? Or any value that I have is incorrect?
Thanks,
Paul.
1. web.xml
<resource-ref>
<res-ref-name>jdbc/books</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
2. server.xml
<Resource name="jdbc/books" auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/books">
<parameter><name>user</name><value></value></parameter>
<parameter><name>password</name><value></value></parameter>
<parameter><name>driverClassName</name>
<value>COM.cloudscape.core.JDBCDriver</value></parameter>
<parameter><name>driverName</name>
<value>jdbc:cloudscape:rmi:books</value></parameter>
</ResourceParams>
3. cloudscape is running(database is OK) and I ran test.jsp
javax.naming.Context ctx = new javax.naming.InitialContext();
javax.sql.DataSource ds = (javax.sql.DataSource) ctx.lookup("java:comp/env/jdbc/books");
if (ds == null)
out.println("************** null ***************");
else
javax.sql.Connectin conn = ds.getConnection();Hi Fredrik,
(Thank, Mr. Expert)
0. Cloudscape came with J2EESDK1.3 and is running.
1. Basically, I already do a test with J2EE sun server
J2EESDK1.3 and it work fine because there is physical link between
the jdbc/books and jdbc:cloudscape:rmi:books. However, it look there is no
physical link for Tomcat4.0.
2.
javax.sql.DataSource ds = (javax.sql.DataSource) ctx.lookup("java:comp/env/jdbc/books");
give me "null"
(3. I have to see why ?)
-- Paul. -
What is the advent of writing xml mapping for servlet in tomcat4.1
what is the adventage of writing xml mappings for servlet in tomcat4.1? why dont we write in tomcat 3.1?
what is the adventage of writing xml mappings for
servlet in tomcat4.1? why dont we write in tomcat 3.1?Tomcat 3.1 doesn't support it because it was not a common practice then. Tomcat 4.1 deployments were made J2EE compliant. Mapping in XML has an advantage of having a proper DTD for validation, which would be known to all. It serves as a common standard irrespective of the server you use. -
How to run EJB in Tomcat4,1
Hi All
Can any one tell me how to run EJB in Tomcat4.1?
ThanksCan any one tell me how to run EJB in Tomcat4.1?You would need something for that, like Open EJB
http://openejb.codehaus.org/ -
Tomcat4: Illegal to flush within a custom tag
I tried to deploy to Tomcat4.1.18 a jsp-struts application developed with JDeveloper 9.0.3.1, simply obtained using the "Complete Struts-Based JSP Application" Wizard.
When I access to a page containing the
"jbo:DataRecord" tag or the "jbo:DataTable" I get this exception in the error log file (I do not know if other tags give this same error, but for example "jbo:DataScroller" does not):
2003-04-15 09:28:35 ApplicationModule release mode is: Stateful
2003-04-15 09:28:36 jsp: init
2003-04-15 09:28:37 jsp: init
2003-04-15 09:28:37 IO Error
java.io.IOException: Illegal to flush within a custom tag
at javax.servlet.jsp.tagext.BodyContent.flush(BodyContent.java:115)
at oracle.jbo.html.jsp.datatags.ComponentTag.doStartTag(ComponentTag.java:69)
at org.apache.jsp.PazientiDateEventiViewLink1_0005fDateEventiEventiViewLink1$jsp._jspService(PazientiDateEventiViewLink1_0005fDateEventiEventiViewLink1$jsp.java:157)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:683)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:431)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:355)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1014)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:417)
at org.apache.struts.action.RequestProcessor.processActionForward(RequestProcessor.java:390)
at oracle.jbo.html.struts11.BC4JRequestProcessor.processActionForward(BC4JRequestProcessor.java:98)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:271)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:492)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:429)
at org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:495)
at java.lang.Thread.run(Thread.java:484)
2003-04-15 09:28:46 jsp: init
2003-04-15 09:28:46 ApplicationModule release mode is: Stateful
Deploying on a standalone OC4J everything works.
Is there some configuration to add to the web.xml file or somewhere else? I tried also on Tomcat 4.0.3 with same results.
I added this lines in web.xml to avoid the problems descripted in thread BC4J entity objects vs EJB2.0 entity beans
<init-param>
<param-name>enablePooling</param-name>
<param-value>false</param-value>
</init-param>
Other non-struts-based webapps developed with JDev 9.0.2 and 9.0.3 were deployed correctly on Tomcat 4.1.18.
Thanks,
Marco.Hi Steve,
I looked better at my page and it has been modified from that produced by the wizard. In fact, the problem arises substituting a DataTable tag with a RowsetIterate in which I put a DataRecord.
Here there is a simple page which produces this error (I see the error only in the error log of Tomcat localhost_log.txt, not on the page):
<%@ page language="java" import="oracle.jbo.*" errorPage="errorpage.jsp" contentType="text/html;charset=windows-1252" %>
<%@ taglib uri="/webapp/DataTags.tld" prefix="jbo" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<html>
<head>
<META NAME="GENERATOR" CONTENT="Oracle JDeveloper">
<LINK REL=STYLESHEET TYPE="text/css" HREF="bc4j.css">
<TITLE><bean:message key="browse.title"/></TITLE>
</head>
<body>
<jbo:DataTransaction appid="Test3Module" />
<h3><bean:message key="browse.header" arg0="CategoryView1"/></h3>
<table border="0">
<tr>
<td ALIGN="right"><jbo:DataScroller datasource="Test3Module.CategoryView1"/></td>
</tr>
<tr>
<%-- REPLACED DataTable WITH a RowsetIterate in which I put a DataRecord --%>
<jbo:RowsetIterate datasource="Test3Module.CategoryView1" userange="true" >
<td>
<jbo:DataRecord datasource="Test3Module.CategoryView1" />
</td>
</jbo:RowsetIterate>
<%--
<td><jbo:DataTable datasource="Test3Module.CategoryView1" edittarget="/edit_CategoryView1.do"/></td>
--%>
</tr>
</table>
</body>
</html>
In this case, it is not so hard to avoid to put in the pages such a code.
Thanks,
Marco. -
Cannot access servlet in tomcat4
I'm a newbie to server side java. Please guide me.
Installed Apache2 and Tomcat4 in Win2K. The installation seems OK because the index pages of both apache and tomcat appear when accessed as localhost on browser.
I wrote (in fact, copied from a tutorial) a servlet, compiled and placed it at
tomcat_root\webapps\ROOT\WEB-INF\classes as suggested in the tutorial.
But it doesn't work when I access as:
http://localhost:8080/servlet/MyServlet
It reports a HTTP Status 404 error.
By the way, when I run it as an example servlet it works fine. By that I mean I placed it inside the pre-existing tomcat_root\webapps\examples\WEB-INF\classes folder and ran as http://localhost:8080/examples/servlet/MyServlet
My another puzzle is why the servlet needs to be accessed that way. I don't see any 'servlet' folder anywhere under my Tomcat installation, but it seems to be a must at the URL calling the servlet.
Thank you.Take a look at the web.xml files, both in conf and in WEB-INF, you'll learn that the /servlet/ url is mapped to the invoker that tries to find your classes, but is bad to have active in production.
Basically, you need to tell tomcat, through your web.xml the mapping between url (you may choose something other that servlet) and your actual servlets.
Patrick
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