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Using a deployer to add jars to a webapp classpath.
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created by <a href="http://community.jboss.org/people/stan.silvert%40jboss.com">Stan Silvert</a> in <i>JBoss Microcontainer</i> - <a href="http://community.jboss.org/message/536136#536136">View the full discussion</a>
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<div class="jive-rendered-content"><p>In AS5 this was fairly straightforward.  But in AS6 the same code doesn't work.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I want to add the JSF impl jars on the fly using a JSFDeployer.  The reason is that I want to allow different JSF impls or no impl at all.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I did the following:</p><ul><li>Removed jsf-libs directory from the classpath in jbossweb.sar/META-INF/jboss-structure.xml</li><li>extend AbstractSimpleVFSRealDeployer<JBossWebMetaData></li><li>In constructor, setStage(DeploymentStages.POST_PARSE)</li><li>In deploy(VFSDeploymentUnit unit, JBossWebMetaData metaData), do this:</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>{code}private void addClasspath(VFSDeploymentUnit unit, URL url) throws MalformedURLException<br/>   {<br/>       // note: url points to the directory where the JSF impl jars live<br/>      try<br/>      {                  <br/>         // add jar files if url is a directory<br/>         if (vFile.isDirectory())<br/>         { <br/>            for (VirtualFile jarFile : vFile.getChildrenRecursively(JAR_FILTER))<br/>            {               <br/>               unit.addClassPath(jarFile);<br/>               System.out.println("$2 Added " + jarFile + " to classpath for " + unit.getName());<br/>            }<br/>         }<br/>      }<br/>      catch (IOException e)<br/>      {<br/>         log.warn("Unable to add URL to classpath: " + url.toString());<br/>      }<br/>      catch (URISyntaxException e)<br/>      {<br/>         log.warn("Unable to add URL to classpath: " + url.toString());<br/>      }<br/>   }{code}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> The System.out shows me that the code found all the correct jars and called unit.AddClassPath().</p><p>{quote}14:13:35,261 INFO  [STDOUT] $2 Added "/C:/projects/astrunk/build/target/jboss-6.0.0-SNAPSHOT/server/default/deployers/jsf.deployer/Mojarra-2.0/jsf-api.jar" to classpath for vfs:///C:/projects/astrunk/build/target/jboss-6.0.0-SNAPSHOT/server/default/deploy/jboss-jsf-20test-jsfunit.war<br/>14:13:35,267 INFO  [STDOUT] $2 Added "/C:/projects/astrunk/build/target/jboss-6.0.0-SNAPSHOT/server/default/deployers/jsf.deployer/Mojarra-2.0/jsf-impl.jar" to classpath for vfs:///C:/projects/astrunk/build/target/jboss-6.0.0-SNAPSHOT/server/default/deploy/jboss-jsf-20test-jsfunit.war{quote}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But in AS6, Tomcat is no longer able to load the JSF impl classes.  The only reason it finds JBossJSFConfigureListener is because I unjarred the class and put it in the root of deployers/jsf.deployer:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>{quote}14:13:54,446 INFO  [TomcatDeployment] deploy, ctxPath=/jboss-jsf-20test-jsfunit<br/>14:13:54,507 ERROR [[/jboss-jsf-20test-jsfunit]] Error configuring application listener of class org.jboss.jsf.integration.config.JBossJSFConfigureListener: java.lang.NoClassDefFoundError: com/sun/faces/config/ConfigureListener<br/>        at java.lang.ClassLoader.defineClass1(Native Method)<br/>        at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)<br/>        at java.lang.ClassLoader.defineClass(ClassLoader.java:616)<br/>        at org.jboss.classloader.spi.base.BaseClassLoader.access$200(BaseClassLo<br/>ader.java:70)<br/>        at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.<br/>java:668)<br/>        at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.<br/>java:627)<br/>        at java.security.AccessController.doPrivileged(Native Method)<br/>        at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseC<br/>lassLoader.java:626)<br/>        at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseC<br/>lassLoader.java:603){quote}</p></div>
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