Correct Directory Structure for Serving a Web Application from Arch?
At the moment I have an Apache web server hosting PHP based web pages out of /srv/http. This works for what I am doing at the moment, but i was wondering if there was a more professional\correct way to host a web application on Arch.
When would someone host a page in /srv/http vs /var/www ? ( is /www even widely used on archlinux) ?
Or is their a better way all together ( I read something about symbolic linking the 2 directories)?
Can anyone provide a sample of how they decided to set up their basic web directories ?
Any help is very much appreciated !
It mainly depends on the webserver you're using. There's nothing about the difference between /srv/http versus /var/www. As far as the web user is concerned they don't even know what directory structure you're using.
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Problem with Configuring Tomcat for running jsp web applications..Plz HELP
I am using Tomcat 5.5 and Jdk 1.5.0_12 and Oracle 10g. I am using jdbc-odbc bridge connection
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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
Copyright 2004 The Apache Software Foundation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<web-app>
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>jdbc/gdn</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
My Server.xml file in Tomcat\conf folder is as follows
<!-- 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">
<!-- Comment these entries out to disable JMX MBeans support used for the
administration web application -->
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<!-- 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"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
<Resource name="jdbc/gdn" auth="Container"
type="javax.sql.DataSource" driverClassName="sun.jdbc.odbc.JdbcOdbcDriver"
url="jdbc:odbc:gdn"
username="system" password="tiger" maxActive="20" maxIdle="10"
maxWait="-1"/>
</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="Catalina">
<!-- 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 5 documentation bundle for more detailed
instructions):
* If your JDK version 1.3 or prior, 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 HTTP/1.1 Connector on port 8080 -->
<Connector
port="5050" maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
<!-- Note : To disable connection timeouts, set connectionTimeout value
to 0 -->
<!-- Note : To use gzip compression you could set the following properties :
compression="on"
compressionMinSize="2048"
noCompressionUserAgents="gozilla, traviata"
compressableMimeType="text/html,text/xml"
-->
<!-- Define a SSL HTTP/1.1 Connector on port 8443 -->
<!--
<Connector port="8443"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" disableUploadTimeout="true"
acceptCount="100" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS" />
-->
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009"
enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
<!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
<!-- See proxy documentation for more information about using this. -->
<!--
<Connector port="8082"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" acceptCount="100" connectionTimeout="20000"
proxyPort="80" disableUploadTimeout="true" />
-->
<!-- 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 AJP ie :
<Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">
-->
<!-- Define the top level container in our container hierarchy -->
<Engine name="Catalina" defaultHost="localhost">
<!-- 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 2.4
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"/>
-->
<!-- 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"
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" />
-->
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stored in a database and accessed via JDBC -->
<!--
<Realm className="org.apache.catalina.realm.JDBCRealm"
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" />
-->
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<Realm className="org.apache.catalina.realm.JDBCRealm"
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"
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
Note: XML Schema validation will not work with Xerces 2.2.
-->
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<!-- Defines a cluster for this node,
By defining this element, means that every manager will be changed.
So when running a cluster, only make sure that you have webapps in there
that need to be clustered and remove the other ones.
A cluster has the following parameters:
className = the fully qualified name of the cluster class
name = a descriptive name for your cluster, can be anything
mcastAddr = the multicast address, has to be the same for all the nodes
mcastPort = the multicast port, has to be the same for all the nodes
mcastBindAddr = bind the multicast socket to a specific address
mcastTTL = the multicast TTL if you want to limit your broadcast
mcastSoTimeout = the multicast readtimeout
mcastFrequency = the number of milliseconds in between sending a "I'm alive" heartbeat
mcastDropTime = the number a milliseconds before a node is considered "dead" if no heartbeat is received
tcpThreadCount = the number of threads to handle incoming replication requests, optimal would be the same amount of threads as nodes
tcpListenAddress = the listen address (bind address) for TCP cluster request on this host,
in case of multiple ethernet cards.
auto means that address becomes
InetAddress.getLocalHost().getHostAddress()
tcpListenPort = the tcp listen port
tcpSelectorTimeout = the timeout (ms) for the Selector.select() method in case the OS
has a wakup bug in java.nio. Set to 0 for no timeout
printToScreen = true means that managers will also print to std.out
expireSessionsOnShutdown = true means that
useDirtyFlag = true means that we only replicate a session after setAttribute,removeAttribute has been called.
false means to replicate the session after each request.
false means that replication would work for the following piece of code: (only for SimpleTcpReplicationManager)
<%
HashMap map = (HashMap)session.getAttribute("map");
map.put("key","value");
%>
replicationMode = can be either 'pooled', 'synchronous' or 'asynchronous'.
* Pooled means that the replication happens using several sockets in a synchronous way. Ie, the data gets replicated, then the request return. This is the same as the 'synchronous' setting except it uses a pool of sockets, hence it is multithreaded. This is the fastest and safest configuration. To use this, also increase the nr of tcp threads that you have dealing with replication.
* Synchronous means that the thread that executes the request, is also the
thread the replicates the data to the other nodes, and will not return until all
nodes have received the information.
* Asynchronous means that there is a specific 'sender' thread for each cluster node,
so the request thread will queue the replication request into a "smart" queue,
and then return to the client.
The "smart" queue is a queue where when a session is added to the queue, and the same session
already exists in the queue from a previous request, that session will be replaced
in the queue instead of replicating two requests. This almost never happens, unless there is a
large network delay.
-->
<!--
When configuring for clustering, you also add in a valve to catch all the requests
coming in, at the end of the request, the session may or may not be replicated.
A session is replicated if and only if all the conditions are met:
1. useDirtyFlag is true or setAttribute or removeAttribute has been called AND
2. a session exists (has been created)
3. the request is not trapped by the "filter" attribute
The filter attribute is to filter out requests that could not modify the session,
hence we don't replicate the session after the end of this request.
The filter is negative, ie, anything you put in the filter, you mean to filter out,
ie, no replication will be done on requests that match one of the filters.
The filter attribute is delimited by ;, so you can't escape out ; even if you wanted to.
filter=".*\.gif;.*\.js;" means that we will not replicate the session after requests with the URI
ending with .gif and .js are intercepted.
The deployer element can be used to deploy apps cluster wide.
Currently the deployment only deploys/undeploys to working members in the cluster
so no WARs are copied upons startup of a broken node.
The deployer watches a directory (watchDir) for WAR files when watchEnabled="true"
When a new war file is added the war gets deployed to the local instance,
and then deployed to the other instances in the cluster.
When a war file is deleted from the watchDir the war is undeployed locally
and cluster wide
-->
<!--
<Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
managerClassName="org.apache.catalina.cluster.session.DeltaManager"
expireSessionsOnShutdown="false"
useDirtyFlag="true"
notifyListenersOnReplication="true">
<Membership
className="org.apache.catalina.cluster.mcast.McastService"
mcastAddr="228.0.0.4"
mcastPort="45564"
mcastFrequency="500"
mcastDropTime="3000"/>
<Receiver
className="org.apache.catalina.cluster.tcp.ReplicationListener"
tcpListenAddress="auto"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="6"/>
<Sender
className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
replicationMode="pooled"
ackTimeout="15000"/>
<Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
<Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
</Cluster>
-->
<!-- 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" />
-->
<!-- 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"/>
-->
<!-- 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.
This access log implementation is optimized for maximum performance,
but is hardcoded to support only the "common" and "combined" patterns.
-->
<!--
<Valve className="org.apache.catalina.valves.FastCommonAccessLogValve"
directory="logs" prefix="localhost_access_log." suffix=".txt"
pattern="common" resolveHosts="false"/>
-->
<Context path="/tdm" docBase="tdm" debug="0" reloadable="true" />
</Host>
</Engine>
</Service>
</Server>
I have set the context path to /tdm in the server.xml file. Should this be placed in context.xml?
My first page in the project is called Homepage.html. To start my project I give http://localhost:5050/tdm/homepage.html
in a browser. Here I accept a username and password from the user and then do the validation in
a valid.jsp file, where I connect to the database and check and use jsp:forward to go to next pages
accordingly. However when I enter the username and password and click Go in the homepage, nothing is
displayed on the next page. The URL in the browser says valid.jsp but a blank screen appears.
WHY DOES IT HAPPEN SO? DOES IT MEAN THAT TOMCAT IS NOT RECOGNIZING JAVA IN MY SYSTEM OR IS IT A PROBLEM
WITH THE DATABASE CONNECTION OR SOMETHING ELSE? I FEEL THAT TOMCAT IS NOT EXECUTING JSP COMMANDS?
IS IT POSSIBLE?WHY WILL THIS HAPPEN?
I set the JAVA_HOME and CATALINA_HOME environment to the jdk and tomcat folders resp.
Is there any other thing that I need to set in classpath? Should I have my project as a
WAR file in the webapps of TOMCAT or just a folder i.e. directory structure will fine?I am using Tomcat 5.5 and Jdk 1.5.0_12 and Oracle 10g. I am using jdbc-odbc bridge connection
to connect to the database. I have placed my project folder called
tdm under the webapps folder in Tomcat. This 'tdm' folder consists of
a collection of html pages,jsp pages and images of my project. Also I created a
WEB-INF folderand in that I have lib folder which contains catalina-root.jar
, classes12.jar and nls_charset.jar files. And also in the WEB-INF folder I have the web.xml
file which looks like this
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
Copyright 2004 The Apache Software Foundation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<web-app>
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>jdbc/gdn</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
My Server.xml file in Tomcat\conf folder is as follows
<!-- 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">
<!-- Comment these entries out to disable JMX MBeans support used for the
administration web application -->
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<!-- 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"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
<Resource name="jdbc/gdn" auth="Container"
type="javax.sql.DataSource" driverClassName="sun.jdbc.odbc.JdbcOdbcDriver"
url="jdbc:odbc:gdn"
username="system" password="tiger" maxActive="20" maxIdle="10"
maxWait="-1"/>
</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="Catalina">
<!-- 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 5 documentation bundle for more detailed
instructions):
* If your JDK version 1.3 or prior, 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 HTTP/1.1 Connector on port 8080 -->
<Connector
port="5050" maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
<!-- Note : To disable connection timeouts, set connectionTimeout value
to 0 -->
<!-- Note : To use gzip compression you could set the following properties :
compression="on"
compressionMinSize="2048"
noCompressionUserAgents="gozilla, traviata"
compressableMimeType="text/html,text/xml"
-->
<!-- Define a SSL HTTP/1.1 Connector on port 8443 -->
<!--
<Connector port="8443"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" disableUploadTimeout="true"
acceptCount="100" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS" />
-->
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009"
enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
<!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
<!-- See proxy documentation for more information about using this. -->
<!--
<Connector port="8082"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" acceptCount="100" connectionTimeout="20000"
proxyPort="80" disableUploadTimeout="true" />
-->
<!-- 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 AJP ie :
<Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">
-->
<!-- Define the top level container in our container hierarchy -->
<Engine name="Catalina" defaultHost="localhost">
<!-- 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 2.4
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"/>
-->
<!-- 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"
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"
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"
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"
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
Note: XML Schema validation will not work with Xerces 2.2.
-->
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<!-- Defines a cluster for this node,
By defining this element, means that every manager will be changed.
So when running a cluster, only make sure that you have webapps in there
that need to be clustered and remove the other ones.
A cluster has the following parameters:
className = the fully qualified name of the cluster class
name = a descriptive name for your cluster, can be anything
mcastAddr = the multicast address, has to be the same for all the nodes
mcastPort = the multicast port, has to be the same for all the nodes
mcastBindAddr = bind the multicast socket to a specific address
mcastTTL = the multicast TTL if you want to limit your broadcast
mcastSoTimeout = the multicast readtimeout
mcastFrequency = the number of milliseconds in between sending a "I'm alive" heartbeat
mcastDropTime = the number a milliseconds before a node is considered "dead" if no heartbeat is received
tcpThreadCount = the number of threads to handle incoming replication requests, optimal would be the same amount of threads as nodes
tcpListenAddress = the listen address (bind address) for TCP cluster request on this host,
in case of multiple ethernet cards.
auto means that address becomes
InetAddress.getLocalHost().getHostAddress()
tcpListenPort = the tcp listen port
tcpSelectorTimeout = the timeout (ms) for the Selector.select() method in case the OS
has a wakup bug in java.nio. Set to 0 for no timeout
printToScreen = true means that managers will also print to std.out
expireSessionsOnShutdown = true means that
useDirtyFlag = true means that we only replicate a session after setAttribute,removeAttribute has been called.
false means to replicate the session after each request.
false means that replication would work for the following piece of code: (only for SimpleTcpReplicationManager)
<%
HashMap map = (HashMap)session.getAttribute("map");
map.put("key","value");
%>
replicationMode = can be either 'pooled', 'synchronous' or 'asynchronous'.
* Pooled means that the replication happens using several sockets in a synchronous way. Ie, the data gets replicated, then the request return. This is the same as the 'synchronous' setting except it uses a pool of sockets, hence it is multithreaded. This is the fastest and safest configuration. To use this, also increase the nr of tcp threads that you have dealing with replication.
* Synchronous means that the thread that executes the request, is also the
thread the replicates the data to the other nodes, and will not return until all
nodes have received the information.
* Asynchronous means that there is a specific 'sender' thread for each cluster node,
so the request thread will queue the replication request into a "smart" queue,
and then return to the client.
The "smart" queue is a queue where when a session is added to the queue, and the same session
already exists in the queue from a previous request, that session will be replaced
in the queue instead of replicating two requests. This almost never happens, unless there is a
large network delay.
-->
<!--
When configuring for clustering, you also add in a valve to catch all the requests
coming in, at the end of the request, the session may or may not be replicated.
A session is replicated if and only if all the conditions are met:
1. useDirtyFlag is true or setAttribute or removeAttribute has been called AND
2. a session exists (has been created)
3. the request is not trapped by the "filter" attribute
The filter attribute is to filter out requests that could not modify the session,
hence we don't replicate the session after the end of this request.
The filter is negative, ie, anything you put in the filter, you mean to filter out,
ie, no replication will be done on requests that match one of the filters.
The filter attribute is delimited by ;, so you can't escape out ; even if you wanted to.
filter=".*\.gif;.*\.js;" means that we will not replicate the session after requests with the URI
ending with .gif and .js are intercepted.
The deployer element can be used to deploy apps cluster wide.
Currently the deployment only deploys/undeploys to working members in the cluster
so no WARs are copied upons startup of a broken node.
The deployer watches a directory (watchDir) for WAR files when watchEnabled="true"
When a new war file is added the war gets deployed to the local instance,
and then deployed to the other instances in the cluster.
When a war file is deleted from the watchDir the war is undeployed locally
and cluster wide
-->
<!--
<Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
managerClassName="org.apache.catalina.cluster.session.DeltaManager"
expireSessionsOnShutdown="false"
useDirtyFlag="true"
notifyListenersOnReplication="true">
<Membership
className="org.apache.catalina.cluster.mcast.McastService"
mcastAddr="228.0.0.4"
mcastPort="45564"
mcastFrequency="500"
mcastDropTime="3000"/>
<Receiver
className="org.apache.catalina.cluster.tcp.ReplicationListener"
tcpListenAddress="auto"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="6"/>
<Sender
className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
replicationMode="pooled"
ackTimeout="15000"/>
<Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
<Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
</Cluster>
-->
<!-- 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" />
-->
<!-- 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"/>
-->
<!-- 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.
This access log implementation is optimized for maximum performance,
but is hardcoded to support only the "common" and "combined" patterns.
-->
<!--
<Valve className="org.apache.catalina.valves.FastCommonAccessLogValve"
directory="logs" prefix="localhost_access_log." suffix=".txt"
pattern="common" resolveHosts="false"/>
-->
<Context path="/tdm" docBase="tdm" debug="0" reloadable="true" />
</Host>
</Engine>
</Service>
</Server>
I have set the context path to /tdm in the server.xml file. Should this be placed in context.xml?
My first page in the project is called Homepage.html. To start my project I give http://localhost:5050/tdm/homepage.html
in a browser. Here I accept a username and password from the user and then do the validation in
a valid.jsp file, where I connect to the database and check and use jsp:forward to go to next pages
accordingly. However when I enter the username and password and click Go in the homepage, nothing is
displayed on the next page. The URL in the browser says valid.jsp but a blank screen appears.
WHY DOES IT HAPPEN SO? DOES IT MEAN THAT TOMCAT IS NOT RECOGNIZING JAVA IN MY SYSTEM OR IS IT A PROBLEM
WITH THE DATABASE CONNECTION OR SOMETHING ELSE? I FEEL THAT TOMCAT IS NOT EXECUTING JSP COMMANDS?
IS IT POSSIBLE?WHY WILL THIS HAPPEN?
I set the JAVA_HOME and CATALINA_HOME environment to the jdk and tomcat folders resp.
Is there any other thing that I need to set in classpath? Should I have my project as a
WAR file in the webapps of TOMCAT or just a folder i.e. directory structure will fine? -
Directory Structure for Discoverer
Hi,
I have couple of queries...
1. What is the directory structure for discoverer on Unix in Application Server?
2. Is there any extention for the woekbook saved in the database like .dis?
I am working on discoverer 10g with Oracle Apps.
Thanks...1. On a Solaris machine where I have Discoverer 10g (9.0.4.3) installed the directory structure for the Oracle home looks like this:
$ cd h9043
$ pwd
$ /home2/h9043
$ ls
Apache install.platform opmn srvm
BC4J inventory oracore sso
JRE j2ee ord syndication
OPatch javacache otrace sysman
assistants javavm oui tk
bibeans jdbc owm tools
bin jdk perl uat
browser jinit plsql uddi
cfgtoollogs jis portal uix
chgip jlib precomp ultrasearch
config jpi procbuilder90 upgrade
dbs jre rdbms ut
dcm jsp relnotes vbroker4
diagnostics lbs reports wcs
discoverer ldap root.sh webcache
error.txt lib root.sh.old webservices
forms90 mesg slax wireless
guicommon9 mp soap xdk
iaspt network sqlj zrc
install ocommon sqlplus
2. The ability to save workbooks to a file system is available only on Discoverer Dekstop, which runs on Windows.
Thanks
Abhinav
Oracle Business Intelligence Product Management
BI on Oracle: http://www.oracle.com/bi/
BI on OTN: http://www.oracle.com/technology/products/bi/
Documentation: http://docs.oracle.com/
Discoverer: http://www.oracle.com/technology/products/discoverer/
BI Software: http://www.oracle.com/technology/software/products/ias/devuse.html
BI Samples: http://www.oracle.com/technology/products/bi/samples/
Blog: http://oraclebi.blogspot.com/ -
Help me out with Directory structure for JSF+SPRING+HIBERNATE Project
Hi frnds ,
My name is Walter working for a startup software company . We are working on Hospital Management System (HMS) project .. MVC Architecture ...using Hibernate Spring and JSF ..we need to design Directory Structure for our project..
plzz help me friends in suggesting MVC Directory structure ...? also plzz help me by directing me with the navigation flow?
Thnxx in advance
Regards
WalterThank you so much .. friends ..for your kind replies..thanks to Illu, anguquga and special thanks to BalusC for giving me the advice for hiring EE Artitech ..
Anyways I have discussed with my teammates designing the directory structure
anguquga your directory structure is close to what I have designed ..referiing to a sample application on web..
Hospital Management system MVC architecture Directory structure
This is the way the structure goes on ..
model --> for Hibernate as well as Spring
View --> for JSF
src(-)
|
------(-) java
|
-------(-) model
|
------(+) businessobject
|
------(-) dao
|
------(+) hibernate
|
------(+) exception
|
------(-) service
|
------ (+) impl
|
------(+) util
(-) view
|
------(+) bean
|
------(+) builder
|
------(+) bundle
|
------(+) servicelocator
|
------(+) util
|
------(+) validator
(-) Web or WebRoot
|
----- (-) JSP Files�etc.,
|
----- (-) META-INF
|
------ (+) Images
|
------ (+) Scripts ==== CSS (cascading style sheets, JavaScript files etc.,)
|
----- (-) WEB-INF =========xml files web.xml, faces-config.xml etc.,
|
-----(-) Classes
|
-----(-) HMS
|
----- (+) model
|
----- (+) view
|
----- (+) lib
I am sure you may notice few errors .. if u find any plzz reply me back.... thnxx in advance for replies...and thnxx for giving your valuable replies...
Walter (Kaleem) -
What should be directory structure for Custom MDS files?
Hi,
I have personalize a page and then exported the personalization.
Now my requirment is to migrate this personalization to other server, for which clients want steps specific to UNIX.
My doubt is where should I copy these files on the server to import the personalization using XMLImporter command? ( Client do not have JDev on his server, so can not use impot command)
my custom_top structure is like '/u02/int/applmgr/CUSTOM/xbol/11.5.0'
The customization is part of product 'OTA'
I am confused about where to put(Directory structure on custom top) customization and other MDS file to import using XMLImport.
This customization is also using a Custom LOV for which, I have given the path xbol/oracle/apps/ota/admin/enrollment/webui/XbolGradeRN.
For now I have transfered the file from window based JDeveloper and things are working fine. I need the UNIX directory structure for MDS files.
Please help to clear my this doubt.
Regards,
AdarshThere is nothing specific to UNIX since the files are never picked from the file system on a production instance. You can place them under a temp directory with the proper package structure, the same way you exported personalizations for the seeded pages and the same custom package structure for your new pages and run import command. It's only how you run your import command matters, if you have placed the files in the proper package under some temp directory just give the -rootdir to point to your temp directory and no -rootPackage option.
-
An EFFECTIVE development directory structure for J2EE platform?
Hi, here we r talking about deployment environment more than development
environment. Have u ever think about designing an EFFECTIVE development
directory structure for J2EE platform( e.g. weblogic )? u r not using the
deployment directories for coding, r u? :)
I used to construct a dir structure for dev and want to improve it.
d:/wholesystem/*.prj // Project files
...../module1/src/com/.... // Module source files
...../module1/doc/... // Module doc files
...../module1/classes/... // Module class files
...../module2/...
...../web/*.jsp // web page files
...../web/images/... // web page images
...../web/WEB-INF/... //...
Do u have any good ideas? Thanks!
* Name: Gary Wang
* Tele: 010-65546668-8119
* Mail: [email protected]Create a web-inf folder at the same level of src and
jsp folder inside src
i mean
/build.xml
/src/
/src/java/<package>/...../*.java
/src/demo/<package/...../*.java
/src/test/<package>/....../*.java
/src/jsp
/web-infSo, would you put in /src/jsp only the *.jsp?
And what in /WEB-INF ? What woud you put there? Would you do something like:
/WEB-INF/web.xml
/WEB-INF/src/<package>/..../<my_servlets_and_j2ee_stuff>.java
/WEB-INF/classes/<package>/..../<my_servlets_and_j2ee_stuff>.java
In this manner sources and classes are in the same tree, it does not seem very clean to me, expecially if you consider that probably I must have a "test" directory to unit test some j2ee stuff (as for the j2se stuff in "src"): how would you do that?
Is this directory structure anyway what you meant or not?
alessio -
Is the Adobe Air Packager for Desktop or Web Application Apps?
Is the Adobe Air Packager for desktop or web applications?
I'm testing the RoboHelp Adobe Air packager and noticed that
it produces an *.exe file that must be launched locally. This makes
it seem like it's only an alternative to the *.CHM format for
desktop applications?
Is there a way to link to webhelp topics packaged using Adobe
Air to provide context-sensitive help (CSH) for a web application
running on a remote server? Supposedly the Adobe Air packager has
CSH capabilities, but I've found zero documentation on how to set
this up.Hi Dirk.
Peter Grainge has an article on Air's use on his
site. -
How to disable u201Csticky sessionu201D for the particular web application?
Hi All,
Is there a possibility to disable so called u201Csticky sessionu201D for the particular web application? We have deployed a WAR file with the Axis 1.4 based web service into SAP NW 7.1. The web service works fine but when the client makes SOAP request the server creates a so-called u201Cstickyu201D HTTP session with the default (30 minutes) timeout. Such u201Csessionsu201D are created on each SOAP request from the same client. The maximum number for Java Web Sessions (SAP Management Console) is 1000. After a while the clients start getting the u201C503 Service not availableu201D errors:
503 Service not available.
Error: -6
Version: 7010
Component: ICM Java
Date/Time: Tue Mar 03 14:30:12 2009
Module: http_j2ee2.c
Line: 1166
Server: XXXXXXXXXXX
Error Tag:
Detail: server overload: no more sessions available
The only way to improve the situation we found so far was to set session timeout to 1 minute. That u201Csticky sessionu201D will still be created, though.
This is a testing environment and we do not use any hardware/software loadbalancer.
Any help/advice is appreciated. (Please let me know if you need more information.)
Thanks,
Dmitry VasilenkoThe practical workaround we finally come up with for this problem was to create a servlet filter and map it to the AxisServlet. The servlet filter will invalidate the HTTP session and effectively destroy the sticky session created by the server on each SOAP request.
Here is the fragment from the web.xml
<filter>
<filter-name>StickySessionFilter</filter-name>
<filter-class>com.xxxxx.xxxxx.xxxx.services.StickySessionFilter</filter-class>
</filter>
<filter-mapping>
<filter-name> StickySessionFilter </filter-name>
<servlet-name>AxisServlet</servlet-name>
</filter-mapping>
<servlet>
<servlet-name>AxisServlet</servlet-name>
<servlet-class>org.apache.axis.transport.http.AxisServlet</servlet-class>
</servlet>
The doFilter() method looks like this:
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
try {
chain.doFilter(request, response);
} finally {
javax.servlet.http.HttpServletRequest httpRequest = (javax.servlet.http.HttpServletRequest)request;
javax.servlet.http.HttpSession session = httpRequest.getSession();
session.invalidate();
Thanks,
Dmitry Vasilenko -
RE:difference between application server and web application server
hi,
i am a fresher to SAP.please tell me the difference between application server and web application server so that my doubt will be clarified.Hi,
the SAP Web Application Server is the reliable, open standard-based application server from SAP. It supports both J2EE and ABAP, and serves as the underlying infrastructure for all new and upcoming SAP solutions, like SAP R/3 Enterprise, SAP Portal, SAP Exchange Infrastructure, and all other SAP components.
The SAP Web Application Server is not a new product, it is the natural evolution of proven SAP application server technology formerly known as SAP Basis. It provides the platform to develop, execute, and operate Web applications and Web services as well as traditional SAP GUI based applications
if it helpful rewards points are appreciated -
"SSO" for non-sap web application using SAPGUI to browse?
I have a web application (non SAP) and the user base are also SAP users in an ABAP system.
To strengthen the authentication in the web app, I wanted to implement SSO
authentication as we pity the users for having to remember so many strong pw's and I
dont like LDAP based pw sync or other technology I dont understand, because then we are
just yet another application with the same pw...
We are having technical problems implementing SSO on the web app side, and are anyway a
bit sceptical about the user admin / role admin assignment if we get it to work.
So I have created a transaction in SAP which browses the web app and the intention is to
send the SAP sy-uname as the web app user. We can control this using s_tcode, and
an own auth object on the WAS side and a check on the session type before the connection is
established. In this sense we are dependent on the SAP concept implemented, but even so:
The role assignment is controlled in the web app itself -> so assume that I am not overly
worried about unauthorized access to the web application, as they would not have any
system role for it as their sy-uname does not exist. (Infact we can monitor this)
The browser on the front end is the SAPGUI with html controls on the SAP side.
I would be interested in knowing whether anyone else has experience with this approach, and
whether there are any areas to be carefull of?
I would also like to know whether this is a strategic error?
Kind regards,
JuliusHi Julius,
well, if that web application would run on the same ABAP backend system then the solution described in <a href="http://service.sap.com/~iron/fm/011000358700000431401997E/0612670">SAP Note 612670</a> would be applicable:
a so-called "Re-entrance ticket" (based on the "SAP logon ticket" SSO proceedings) is issued, transported via the SAPGUI connection and back to the system via the invoked HTML control.
But for non-SAP web applications that does not help.
In that case only X.509 client certificates can be used for SSO. Actually, the web application could then also be invoked directly (independent from the SAPGUI session). The user is authenticated based on the X.509 client certificate - and not based on the ABAP userID (of the SAPGUI session).
Well, if you don't mind the effort you could also use the "SAP Logon Ticket evaluation library" (sapssoext, see <a href="http://service.sap.com/~iron/fm/011000358700000431401997E/0304450">SAP Note 304450</a>) to evalute the SAP logon ticket externally. You'll then need to have a "stub application" at the ABAP side that triggers the http redirect to your external web application. Not a nice solution but a possible one.
In the future SAML browser artifacts would be an option (preferable to integrate non-SAP applications). But currently that's not available (for NWAS ABAP).
Cheers, Wolfgang -
How to create different log files for each of web applications deployed in OC4J
Hi All,
I am using OC4J(from Oracle) v1.0.2.2 and Windows2000. Now I want to know
1. how to create different log files for each of my deployed web applications ?
2. what are the advantages in running multiple instances of oc4j and in what case we should run
multiple instances of OC4J ?
3. how to run OC4J as Windows2000 Service rather than Windows2000 Application ?
Thanks and Regards,
Kumar.Hi Avi,
First of all I have given a first reading to log4j and I think there will some more easy way of logging debugging messages than log4j (If you could provide me a detailed explanation of a servlet,jsp,java bean that uses log4j and how to use log4j then it will be very helpful for me). The other easy ways (if I am not using log4j) to my problem i.e creating different log files for each of web applications deployed in oc4j are
I have created multiple instances of OC4J that are configured to run on different ports and so on each instance I have deployed a single web application . And I started the 2 oc4j instances by transferring thier error/log messages to a file. And the other way is ..
I have download from jakarta site a package called servhelper . This servhelper is a thread that is started in a startup servlet and stopped in the destroy method of that startup servlet. So this thread will automatically capture all the system.out.println's and will print those to a file. I believe that this thread program is synchronized. So in this method I need not run multiple instances of OC4J instead each deployed web application on single instance of oc4j uses the same thread program (ofcourse a copy of thread program is put in each of the deployed web applications directories) to log messages on to different log files.
Can you comment on my above 2 approached to logging debugging messages and a compartive explanation to LOG4J and how to use LOG4J using a simple servlet, simple jsp is appreciated ...
Thanks and Regards,
Ravi. -
Official directory structure for itunes 8 in OSX
I have had so many different locations for my itunes libraries over the years and I would like place the on a time capsule drive now. What is the default directory structure for itunes8? Are movies, podcasts, tv shows all in the same directory?
HD>Users>Your Account>Music>iTunes>iTunes Music - this is the default for iTunes.
The iTunes folder contains the data base file, .xml, genius, art work etc - the iTunes Music contains all your music in folders arranged by artist then album. Note that this is true as long as you have the iTunes prefs>Advanced - the 'keep' and 'copy' options are enabled.
MJ -
Is there a suggested directory structure for iTunes?
Is there a suggested directory structure for iTunes? I have moved my library around several times (what with new machines, etc.) and I find that I have two app libraries in different locations and I think it is the problem behind a refusal to sync issue I'm having with my iPad.
Any help would be gladly appreciated!
Luke
(Screen grabs a great help)I'll see your Tb and raise you some - the truth is, almost every major revision and data migration from MBP to MBP and now back to a MP has caused replication of folders in the strangest of places, none of which I have consciously created - I mean, why would anyone except out of self-focused spite want to create three different sets of apps folders - to say nothing of the interminable Compilations folders that sprout from no where in particular!
I could understand the issue if I was careless or a complete neophyte, I only moved to the Apple platform about 6 years ago, (even though I've been using the platform since 1987) when I went to work for the company.
iTunes I think is a little like a cat - it recognises my lingering, subyle antipathy and rolls all over me just to mess with my head!
Thanks for the information, none-the-less, greatly appreciated. -
Power shell script for get a content db for a particular web application
Hi
what is the power shell script for get a content db for a particular web application
Get-SPDatabase
adiltry this one
Get-SPContentDatabase -webapplication http://url
this will return all the database for the web applications.
Get-SPContentDatabase -site http://contoso.com
this will return the database name in which the contose site collection is.
Please remember to mark your question as answered &Vote helpful,if this solves/helps your problem. ****************************************************************************************** Thanks -WS MCITP(SharePoint 2010, 2013) Blog: http://wscheema.com/blog
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