Author: markt
Date: Sun Mar 28 11:57:46 2010
New Revision: 928380
URL: http://svn.apache.org/viewvc?rev=928380&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=48662
Make extraction of context.xml files configurable and disable it by default for
Tomcat 7
Modified:
tomcat/trunk/java/org/apache/catalina/Context.java
tomcat/trunk/java/org/apache/catalina/core/StandardContext.java
tomcat/trunk/java/org/apache/catalina/core/StandardHost.java
tomcat/trunk/java/org/apache/catalina/mbeans/MBeanFactory.java
tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java
tomcat/trunk/java/org/apache/catalina/startup/HostConfig.java
tomcat/trunk/java/org/apache/catalina/startup/LocalStrings.properties
tomcat/trunk/webapps/docs/changelog.xml
tomcat/trunk/webapps/docs/config/host.xml
Modified: tomcat/trunk/java/org/apache/catalina/Context.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/Context.java?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/Context.java (original)
+++ tomcat/trunk/java/org/apache/catalina/Context.java Sun Mar 28 11:57:46 2010
@@ -19,6 +19,8 @@
package org.apache.catalina;
+import java.net.URL;
+
import javax.servlet.ServletContext;
import javax.servlet.descriptor.JspConfigDescriptor;
@@ -133,17 +135,17 @@ public interface Context extends Contain
/**
- * Return the path to a file to save this Context information.
+ * Return the URL of the XML descriptor for this context.
*/
- public String getConfigFile();
+ public URL getConfigFile();
/**
- * Set the path to a file to save this Context information.
+ * Set the URL of the XML descriptor for this context.
*
- * @param configFile The path to a file to save this Context information.
+ * @param configFile The URL of the XML descriptor for this context.
*/
- public void setConfigFile(String configFile);
+ public void setConfigFile(URL configFile);
/**
Modified: tomcat/trunk/java/org/apache/catalina/core/StandardContext.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/core/StandardContext.java?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/core/StandardContext.java (original)
+++ tomcat/trunk/java/org/apache/catalina/core/StandardContext.java Sun Mar 28
11:57:46 2010
@@ -23,6 +23,7 @@ import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
+import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
@@ -255,9 +256,9 @@ public class StandardContext
/**
- * The path to a file to save this Context information.
+ * The URL of the XML descriptor for this context.
*/
- private String configFile = null;
+ private URL configFile = null;
/**
@@ -1196,9 +1197,9 @@ public class StandardContext
}
/**
- * Return the path to a file to save this Context information.
+ * Return the URL of the XML descriptor for this context.
*/
- public String getConfigFile() {
+ public URL getConfigFile() {
return (this.configFile);
@@ -1206,11 +1207,11 @@ public class StandardContext
/**
- * Set the path to a file to save this Context information.
+ * Set the URL of the XML descriptor for this context.
*
- * @param configFile The path to a file to save this Context information.
+ * @param configFile The URL of the XML descriptor for this context.
*/
- public void setConfigFile(String configFile) {
+ public void setConfigFile(URL configFile) {
this.configFile = configFile;
}
Modified: tomcat/trunk/java/org/apache/catalina/core/StandardHost.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/core/StandardHost.java?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/core/StandardHost.java (original)
+++ tomcat/trunk/java/org/apache/catalina/core/StandardHost.java Sun Mar 28
11:57:46 2010
@@ -131,6 +131,13 @@ public class StandardHost
/**
+ * Should XML files be copied to $CATALINA_BASE/conf/<engine>/<host> by
+ * default when a web application is deployed?
+ */
+ private boolean copyXML = false;
+
+
+ /**
* The Java class name of the default error reporter implementation class
* for deployed web applications.
*/
@@ -378,6 +385,28 @@ public class StandardHost
/**
+ * Return the copy XML config file flag for this component.
+ */
+ public boolean isCopyXML() {
+
+ return (this.copyXML);
+
+ }
+
+
+ /**
+ * Set the copy XML config file flag for this component.
+ *
+ * @param copyXML The new copy XML flag
+ */
+ public void setCopyXML(boolean copyXML) {
+
+ this.copyXML= copyXML;
+
+ }
+
+
+ /**
* Return the value of the live deploy flag. If true, it indicates that
* a background thread should be started that looks for web application
* context files, WAR files, or unpacked directories being dropped in to
Modified: tomcat/trunk/java/org/apache/catalina/mbeans/MBeanFactory.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/mbeans/MBeanFactory.java?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/mbeans/MBeanFactory.java (original)
+++ tomcat/trunk/java/org/apache/catalina/mbeans/MBeanFactory.java Sun Mar 28
11:57:46 2010
@@ -611,7 +611,7 @@ public class MBeanFactory extends BaseMo
"configBaseName");
String baseName = getConfigFile(contextPath);
File configFile = new File(new File(configPath), baseName+".xml");
- context.setConfigFile(configFile.getAbsolutePath());
+ context.setConfigFile(configFile.toURI().toURL());
mserver.invoke(deployer, "manageApp",
new Object[] {context},
new String[] {"org.apache.catalina.Context"});
Modified: tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java (original)
+++ tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java Sun Mar 28
11:57:46 2010
@@ -518,11 +518,31 @@ public class ContextConfig
if( defaultContextXml==null ) getDefaultContextXml();
if (!context.getOverride()) {
- processContextConfig(new File(getBaseDir()), defaultContextXml);
- processContextConfig(getConfigBase(),
getHostConfigPath(Constants.HostContextXml));
+ File defaultContextFile = new File(getBaseDir(),
defaultContextXml);
+ if (defaultContextFile.exists()) {
+ try {
+ URL defaultContextUrl = defaultContextFile.toURI().toURL();
+ processContextConfig(defaultContextUrl);
+ } catch (MalformedURLException e) {
+ log.error(sm.getString(
+ "contextConfig.badUrl", defaultContextFile), e);
+ }
+ }
+
+ File hostContextFile = new File(getConfigBase(),
+ getHostConfigPath(Constants.HostContextXml));
+ if (hostContextFile.exists()) {
+ try {
+ URL hostContextUrl = hostContextFile.toURI().toURL();
+ processContextConfig(hostContextUrl);
+ } catch (MalformedURLException e) {
+ log.error(sm.getString(
+ "contextConfig.badUrl", hostContextFile), e);
+ }
+ }
}
if (context.getConfigFile() != null)
- processContextConfig(new File(context.getConfigFile()), null);
+ processContextConfig(context.getConfigFile());
}
@@ -530,43 +550,28 @@ public class ContextConfig
/**
* Process a context.xml.
*/
- protected void processContextConfig(File baseDir, String resourceName) {
+ protected void processContextConfig(URL contextXml) {
if (log.isDebugEnabled())
log.debug("Processing context [" + context.getName()
- + "] configuration file " + baseDir + " " + resourceName);
+ + "] configuration file [" + contextXml + "]");
InputSource source = null;
InputStream stream = null;
- File file = baseDir;
- if (resourceName != null) {
- file = new File(baseDir, resourceName);
- }
-
try {
- if ( !file.exists() ) {
- if (resourceName != null) {
- // Use getResource and getResourceAsStream
- stream = getClass().getClassLoader()
- .getResourceAsStream(resourceName);
- if( stream != null ) {
- source = new InputSource
- (getClass().getClassLoader()
- .getResource(resourceName).toString());
- }
- }
- } else {
- source =
- new InputSource("file://" + file.getAbsolutePath());
- stream = new FileInputStream(file);
- // Add as watched resource so that cascade reload occurs if a
default
- // config file is modified/added/removed
- context.addWatchedResource(file.getAbsolutePath());
+ source = new InputSource(contextXml.toString());
+ stream = contextXml.openStream();
+
+ // Add as watched resource so that cascade reload occurs if a
default
+ // config file is modified/added/removed
+ if (contextXml.getProtocol() == "file") {
+ context.addWatchedResource(
+ (new File(contextXml.toURI())).getAbsolutePath());
}
} catch (Exception e) {
log.error(sm.getString("contextConfig.contextMissing",
- resourceName + " " + file) , e);
+ contextXml) , e);
}
if (source == null)
@@ -586,7 +591,7 @@ public class ContextConfig
}
if (log.isDebugEnabled())
log.debug("Successfully processed context [" +
context.getName()
- + "] configuration file " + baseDir + " " +
resourceName);
+ + "] configuration file [" + contextXml + "]");
} catch (SAXParseException e) {
log.error(sm.getString("contextConfig.contextParse",
context.getName()), e);
Modified: tomcat/trunk/java/org/apache/catalina/startup/HostConfig.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/startup/HostConfig.java?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/startup/HostConfig.java (original)
+++ tomcat/trunk/java/org/apache/catalina/startup/HostConfig.java Sun Mar 28
11:57:46 2010
@@ -26,6 +26,7 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
+import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
@@ -120,6 +121,13 @@ public class HostConfig
/**
+ * Should XML files be copied to $CATALINA_BASE/conf/<engine>/<host> by
+ * default when a web application is deployed?
+ */
+ protected boolean copyXML = false;
+
+
+ /**
* Should we unpack WAR files when auto-deploying applications in the
* <code>appBase</code> directory?
*/
@@ -233,6 +241,28 @@ public class HostConfig
/**
+ * Return the copy XML config file flag for this component.
+ */
+ public boolean isCopyXML() {
+
+ return (this.copyXML);
+
+ }
+
+
+ /**
+ * Set the copy XML config file flag for this component.
+ *
+ * @param copyXML The new copy XML flag
+ */
+ public void setCopyXML(boolean copyXML) {
+
+ this.copyXML= copyXML;
+
+ }
+
+
+ /**
* Return the unpack WARs flag.
*/
public boolean isUnpackWARs() {
@@ -309,6 +339,7 @@ public class HostConfig
try {
host = (Host) event.getLifecycle();
if (host instanceof StandardHost) {
+ setCopyXML(((StandardHost) host).isCopyXML());
setDeployXML(((StandardHost) host).isDeployXML());
setUnpackWARs(((StandardHost) host).isUnpackWARs());
setXmlNamespaceAware(((StandardHost)
host).getXmlNamespaceAware());
@@ -612,7 +643,7 @@ public class HostConfig
(LifecycleListener) clazz.newInstance();
context.addLifecycleListener(listener);
- context.setConfigFile(contextXml.getAbsolutePath());
+ context.setConfigFile(contextXml.toURI().toURL());
context.setPath(contextPath);
// Add the associated docBase to the redeployed list if it's a WAR
boolean isExternalWar = false;
@@ -806,11 +837,16 @@ public class HostConfig
BufferedOutputStream ostream = null;
File xml = new File
(configBase(), file.substring(0, file.lastIndexOf(".")) + ".xml");
+ boolean xmlInWar = false;
+
if (deployXML && !xml.exists()) {
try {
jar = new JarFile(war);
entry = jar.getJarEntry(Constants.ApplicationContextXml);
if (entry != null) {
+ xmlInWar = true;
+ }
+ if (copyXML) {
istream = jar.getInputStream(entry);
ostream =
@@ -882,7 +918,52 @@ public class HostConfig
digester.reset();
}
}
- context.setConfigFile(xml.getAbsolutePath());
+ context.setConfigFile(xml.toURI().toURL());
+ } else if (deployXML && xmlInWar) {
+ synchronized (digester) {
+ try {
+ jar = new JarFile(war);
+ entry =
+ jar.getJarEntry(Constants.ApplicationContextXml);
+ istream = jar.getInputStream(entry);
+ context = (Context) digester.parse(istream);
+
+ if (context == null) {
+ log.error(sm.getString(
+ "hostConfig.deployDescriptor.error",
+ file));
+ return;
+ }
+ context.setConfigFile(new URL("jar:" +
+ war.toURI().toString() + "!/" +
+ Constants.ApplicationContextXml));
+ } catch (Exception e) {
+ if (istream != null) {
+ try {
+ istream.close();
+ } catch (Throwable t) {
+ // Ignore
+ }
+ istream = null;
+ }
+ } finally {
+ entry = null;
+ if (jar != null) {
+ try {
+ jar.close();
+ } catch (Throwable t) {
+ // Ignore
+ }
+ jar = null;
+ }
+ digester.reset();
+ }
+ }
+ if (context == null) {
+ log.error(sm.getString("hostConfig.deployDescriptor.error",
+ file));
+ return;
+ }
} else {
context = (Context) Class.forName(contextClass).newInstance();
}
@@ -991,9 +1072,6 @@ public class HostConfig
File xml = new File(dir, Constants.ApplicationContextXml);
File xmlCopy = null;
if (deployXML && xml.exists()) {
- // Will only do this on initial deployment. On subsequent
- // deployments the copied xml file means we'll use
- // deployDescriptor() instead
synchronized (digester) {
try {
context = (Context) digester.parse(xml);
@@ -1007,27 +1085,31 @@ public class HostConfig
digester.reset();
}
}
- xmlCopy = new File(configBase(), file + ".xml");
- InputStream is = null;
- OutputStream os = null;
- try {
- is = new FileInputStream(xml);
- os = new FileOutputStream(xmlCopy);
- IOTools.flow(is, os);
- // Don't catch IOE - let the outer try/catch handle it
- } finally {
+ if (copyXML) {
+ xmlCopy = new File(configBase(), file + ".xml");
+ InputStream is = null;
+ OutputStream os = null;
try {
- if (is != null) is.close();
- } catch (IOException e){
- // Ignore
- }
- try {
- if (os != null) os.close();
- } catch (IOException e){
- // Ignore
+ is = new FileInputStream(xml);
+ os = new FileOutputStream(xmlCopy);
+ IOTools.flow(is, os);
+ // Don't catch IOE - let the outer try/catch handle it
+ } finally {
+ try {
+ if (is != null) is.close();
+ } catch (IOException e){
+ // Ignore
+ }
+ try {
+ if (os != null) os.close();
+ } catch (IOException e){
+ // Ignore
+ }
}
+ context.setConfigFile(xmlCopy.toURI().toURL());
+ } else {
+ context.setConfigFile(xml.toURI().toURL());
}
- context.setConfigFile(xmlCopy.getAbsolutePath());
} else {
context = (Context) Class.forName(contextClass).newInstance();
}
Modified: tomcat/trunk/java/org/apache/catalina/startup/LocalStrings.properties
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/startup/LocalStrings.properties?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/startup/LocalStrings.properties
(original)
+++ tomcat/trunk/java/org/apache/catalina/startup/LocalStrings.properties Sun
Mar 28 11:57:46 2010
@@ -25,6 +25,7 @@ contextConfig.authenticatorConfigured=Co
contextConfig.authenticatorInstantiate=Cannot instantiate an authenticator of
class {0}
contextConfig.authenticatorMissing=Cannot configure an authenticator for
method {0}
contextConfig.authenticatorResources=Cannot load authenticators mapping list
+contextConfig.badUrl=Unable to process context descriptor [{0}]
contectConfig.baseError=Unable to determine $CATALINA_BASE
contextConfig.cce=Lifecycle event data object {0} is not a Context
contextConfig.contextClose=Error closing context.xml
Modified: tomcat/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Sun Mar 28 11:57:46 2010
@@ -92,6 +92,11 @@
and stop, and align components that implement Lifecycle with this
definition. (markt)
</update>
+ <add>
+ <bug>48662</bug>: Provide a new option to control the copying of
context
+ XML descriptors from web applications to the host's xmlBase. Copying of
+ XMl descriptors is now disabled by default. (markt)
+ </add>
</changelog>
</subsection>
<subsection name="Coyote">
Modified: tomcat/trunk/webapps/docs/config/host.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/config/host.xml?rev=928380&r1=928379&r2=928380&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/config/host.xml (original)
+++ tomcat/trunk/webapps/docs/config/host.xml Sun Mar 28 11:57:46 2010
@@ -82,37 +82,42 @@
<p>The <em>Application Base</em> directory for this virtual host.
This is the pathname of a directory that may contain web applications
to be deployed on this virtual host. You may specify an
- absolute pathname for this directory, or a pathname that is relative
- to the <code>$CATALINA_BASE</code> directory. See
+ absolute pathname, or a pathname that is relative to the
+ <code>$CATALINA_BASE</code> directory. See
<a href="#Automatic Application Deployment">Automatic Application
Deployment</a> for more information on automatic recognition and
- deployment of web applications to be deployed automatically. If not
- specified, the default of <code>webapps</code> will be used.</p>
+ deployment of web applications. If not specified, the default of
+ <code>webapps</code> will be used.</p>
</attribute>
<attribute name="xmlBase" required="false">
<p>The <em>XML Base</em> directory for this virtual host.
- This is the pathname of a directory that may contain context XML
descriptors
- to be deployed on this virtual host. You may specify an
+ This is the pathname of a directory that may contain context XML
+ descriptors to be deployed on this virtual host. You may specify an
absolute pathname for this directory, or a pathname that is relative
to the <code>$CATALINA_BASE</code> directory. See
<a href="#Automatic Application Deployment">Automatic Application
Deployment</a> for more information on automatic recognition and
- deployment of web applications to be deployed automatically.</p>
+ deployment of web applications. If not specified the default of
+ <code>[engine_name]/[host_name]</code> will be used.</p>
</attribute>
<attribute name="createDirs" required="false">
- <p>If set to true, Tomcat will attempt to create the directories
defined by the
- attributes <code>appBase</code> and <code>xmlBase</code> during the
startup phase.
- The default value is <code>true</code>.
- If set to true, and directory creation fails, an error message will be
printed out but will not halt
- the startup sequence.</p>
+ <p>If set to true, Tomcat will attempt to create the directories
defined
+ by the attributes <code>appBase</code> and <code>xmlBase</code> during
+ the startup phase. The default value is <code>true</code>. If set to
+ true, and directory creation fails, an error message will be printed
out
+ but will not halt the startup sequence.</p>
</attribute>
<attribute name="autoDeploy" required="false">
- <p>This flag value indicates if new web applications, dropped in to
- the <code>appBase</code> directory while Tomcat is running, should
- be automatically deployed. The flag's value defaults to true. See
+ <p>This flag value indicates if Tomcat should check periodically for
new
+ or updated web applications while Tomcat is running. If true, Tomcat
+ periodically checks the <code>appBase</code> and <code>xmlBase</code>
+ directories and deploys any new web applications or context XML
+ descriptors found. Updated web applications or context XML descriptors
+ will trigger a reload of the web application. The flag's value defaults
+ to true. See
<a href="#Automatic Application Deployment">Automatic Application
Deployment</a> for more information.</p>
</attribute>
@@ -141,8 +146,8 @@
<attribute name="deployOnStartup" required="false">
<p>This flag value indicates if web applications from this host should
- be automatically deployed by the host configurator.
- The flag's value defaults to true. See
+ be automatically deployed when Tomcat starts. The flag's value defaults
+ to true. See
<a href="#Automatic Application Deployment">Automatic Application
Deployment</a> for more information.</p>
</attribute>
@@ -172,15 +177,28 @@
<attributes>
+ <attribute name="copyXML" required="false">
+ <p>Set to <code>true</code> if you want a context XML descriptor
+ embedded inside the application (located at
+ <code>/META-INF/context.xml</code>) to be copied to
<code>xmlBase</code>
+ when the application is deployed. On subsequent starts, the copied
+ context XML descriptor will be used in preference to any context XML
+ descriptor embedded inside the application even if the descriptor
+ embedded inside the application is more recent. The flag's value
+ defaults to <code>false</code>. Note if <strong>deployXML</strong>
+ is <code>false</code>, this attribute will have no effect.</p>
+ </attribute>
+
<attribute name="deployXML" required="false">
- <p>Set to <code>false</code> if you want to disable parsing the
context.xml
- file embedded inside the application (located at
<code>/META-INF/context.xml</code>).
- Security conscious environments should set this to <code>false</code>
to prevent
- applications from interacting with the container's configuration. The
- administrator will then be responsible for providing an external
context
- configuration file, and put it in
- <code>$CATALINA_BASE/conf/[enginename]/[hostname]/</code> unless the
attribute <code>xmlBase</code> is specified.
- The flag's value defaults to <code>true</code>.</p>
+ <p>Set to <code>false</code> if you want to disable parsing the context
+ XML descriptor embedded inside the application (located at
+ <code>/META-INF/context.xml</code>). Security conscious environments
+ should set this to <code>false</code> to prevent applications from
+ interacting with the container's configuration. The administrator will
+ then be responsible for providing an external context configuration
+ file, and putting it in the location defined by the
+ <strong>xmlBase</strong> attribute. The flag's value defaults to
+ <code>true</code>.</p>
</attribute>
<attribute name="errorReportValveClass" required="false">
@@ -199,7 +217,8 @@
placed in the <code>appBase</code> directory as web application
archive (WAR) files to be unpacked into a corresponding disk directory
structure, <code>false</code> to run such web applications directly
- from a WAR file. See
+ from a WAR file. WAR files located outside of the Host's
+ <strong>appBase</strong> will not be expanded. See
<a href="#Automatic Application Deployment">Automatic Application
Deployment</a> for more information.</p>
</attribute>
@@ -251,7 +270,7 @@
<subsection name="Logging">
<p>A host is associated with the
-
<code>org.apache.catalina.core.ContainerBase.[enginename].[hostname]</code>
+
<code>org.apache.catalina.core.ContainerBase.[engine_name].[host_name]</code>
log category. Note that the brackets are part of the name,
don't omit them.</p>
@@ -296,45 +315,76 @@
started, if the <code>deployOnStartup</code> property is set to
<code>true</code> (which is the default value):</p>
<ul>
- <li>Any XML file in the
- <code>$CATALINA_BASE/conf/[engine_name]/[host_name]</code> directory is
- assumed to contain a
+ <li>Any XML file in the Host's <code>xmlBase</code> directory (by
+ default <code>$CATALINA_BASE/conf/[engine_name]/[host_name]</code>) is
+ assumed to be a context XML descriptor containing a
<a href="context.html">Context</a> element (and its associated
- subelements) for a single web application. The <code>docBase</code>
- attribute of this <code><Context></code> element will typically
- be the absolute pathname to a web application directory, or the
- absolute pathname of a web application archive (WAR) file (which
- will not be expanded). The path attribute will be automatically set
- as defined in the <a href="context.html">Context</a>
documentation.</li>
- <li>Any web application archive file within the application base (appBase)
- directory that does not have a corresponding
- directory of the same name (without the ".war" extension) will be
- automatically expanded, unless the <code>unpackWARs</code> property
- is set to <code>false</code>. If you redeploy an updated WAR file,
- be sure to delete the expanded directory when restarting Tomcat, so
- that the updated WAR file will be re-expanded (note that the auto
- deployer, if enabled, will automatically expand the updated WAR file
- once the previously expanded directory is removed). Multi-level
contexts
- may be defined by using #, e.g. use a WAR named
<code>foo#bar.war</code>
- for a context path of <code>/foo/bar</code>.</li>
- <li>Any subdirectory within the <em>application base directory</em>
- will receive an automatically generated <a href="context.html">
- Context</a> element, even if this directory is not mentioned in the
- <code>conf/server.xml</code> file. The context path for this
- deployed Context will be a slash character ("/") followed by the
- directory name, unless the directory name is ROOT, in which case
- the context path will be an empty string (""). Multi-level contexts
- may be defined by using #, e.g. use a directory named
<code>foo#bar</code>
- for a context path of <code>/foo/bar</code>.</li>
+ sub-elements) for a single web application. The web applications
+ associated with each of these context XML descriptor files will be
+ deployed first.<br/>
+ The <code>docBase</code> attribute of this <code><Context></code>
+ element must only be set if the docBase is outside the Host's
+ <code>appBase</code>. For web applications located inside the Host's
+ <code>appBase</code>, the <code>docBase</code> will be the name of the
+ XML file with ".xml" replaced with ".war" for a web application archive
+ or the name of the XML file with ".xml" removed for a directory.<br/>
+ The <code>path</code> attribute must not be set. The context path used
+ will be a slash character ("/") followed by the name of the XML file
+ (less the .xml extension). Multi-level context paths may be defined
+ using #, e.g. <code>foo#bar.xml</code> for a context path of
+ <code>/foo/bar</code>. The default web application that has a context
+ path of <code>/</code> may be defined by using a file called
+ <code>ROOT.xml</code>.</li>
+ <li>Any web application archive file within the Host's <code>appBase</code>
+ directory that has not already been deployed as a result of a context
+ XML descriptor and does not have a corresponding directory of the same
+ name (without the ".war" extension) will be deployed next. The context
+ path used will be a slash character ("/") followed by the web
+ application archive name less the ".war" extension. The one exception
to
+ this rule is that a web application archive named "ROOT.war" will be
+ deployed with a context path of <code>/</code>. Multi-level contexts
may
+ be defined by using #, e.g. use a WAR named <code>foo#bar.war</code>
for
+ a context path of <code>/foo/bar</code>.<br/>
+ If the <code>unpackWARs</code> attribute is <code>true</code>, the web
+ application archive file will be expanded to a directory of the same
+ name (without the ".war" extension".<br/>
+ Note: If you re-deploy an updated WAR file while Tomcat is stopped, be
+ sure to delete the associated expanded directory before restarting
+ Tomcat, so that the updated WAR file will be re-expanded when Tomcat
+ restarts.<br/>
+ If <code>copyXml</code> is <code>true</code> (it is <code>false</code>
+ by default), any web application archive file within the Hosts's
+ <code>appBase</code> directory that does not have a corresponding
+ context XML descriptor (with a ".xml" extension rather than a ".war"
+ extension) in the Host's <code>xmlBase</code> will be scanned to see
+ if it contains a context XML descriptor (located at
+ <code>/META-INF/context.xml</code>) and if one is found the descriptor
+ will be copied to the <code>xmlBase</code> directory and renamed.
+ </li>
+ <li>Finally, any sub-directory within the Host's <code>appBase</code> that
+ has not already been deployed as a result of a context XML descriptor
+ will be deployed next. The context path used will be a slash character
+ ("/") followed by the directory name, unless the directory name is
ROOT,
+ in which case the context path will <code>/</code>. Multi-level
contexts
+ may be defined by using #, e.g. use a directory named
+ <code>foo#bar</code> for a context path of <code>/foo/bar</code>.<br/>
+ If <code>copyXml</code> is <code>true</code> (it is <code>false</code>
+ by default), any directory within the Hosts's <code>appBase</code>
+ directory that does not have a corresponding context XML descriptor in
+ the Host's <code>xmlBase</code> will be scanned to see if it contains
+ a context XML descriptor (located at
<code>/META-INF/context.xml</code>)
+ and if one is found the descriptor will be copied to the
+ <code>xmlBase</code> directory and renamed.
+ </li>
</ul>
<p>In addition to the automatic deployment that occurs at startup time,
you can also request that new XML configuration files, WAR files, or
- subdirectories that are dropped in to the <code>appBase</code> (or
- <code>$CATALINA_BASE/conf/[engine_name]/[host_name]</code> in the case of
- an XML configuration file) directory while Tomcat is running will be
- automatically deployed, according to the rules described above. The
- auto deployer will also track web applications for the following changes:
+ sub-directories that are dropped in to the <code>appBase</code> (or
+ <code>xmlBase</code> in the case of an XML configuration file) directory
+ while Tomcat is running will be automatically deployed, according to the
+ rules described above. The auto deployer will also track web applications
+ for the following changes:
<ul>
<li>An update to the WEB-INF/web.xml file will trigger a reload of the
web application</li>
@@ -374,9 +424,10 @@
may be experienced deploying the web application or the application may
be deployed twice.</p>
- <p>Finally, note that if you are defining contexts explicitly, you should
- probably turn off automatic application deployment. Otherwise, your
context
- will be deployed twice each, and that may cause problems for your app.
+ <p>Finally, note that if you are defining contexts explicitly in
server.xml,
+ you should probably turn off automatic application deployment. Otherwise,
+ the web applications will each be deployed twice each, and that may cause
+ problems for the applications.
</p>
</subsection>
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