Java library hell

Leon_Roy · April 7, 2010, 9:18am

I’ve got an Openfire plugin which has some JAXB/WS libraries to communicate with a web service via SOAP.

If the jars are in Openfire\plugins\myplugin\lib then I get the following error:

com.sun.xml.wss.XWSSecurityException: java.lang.ClassNotFoundException: com.etrali.sdk.jwsdp.security.SecurityEnvironmentHandler
at com.sun.xml.xwss.SecurityConfiguration.(SecurityConfiguration.java:85)
at com.sun.xml.xwss.SecurityConfigurationFactory.newXWSSecurityConfiguration(Secur ityConfigurationFactory.java:65)
at com.etrali.sdk.jwsdp.directories.client.EtradealSettingsClient.connect(Etradeal SettingsClient.java:140)
at net.gltd.gtms.telephony.etrali.websvc.services.etradealsettings.EtradealSetting sWebService.connect(EtradealSettingsWebService.java:70)
at net.gltd.gtms.telephony.etrali.websvc.services.etradealsettings.EtradealSetting sWebService.getConfigs(EtradealSettingsWebService.java:94)
at net.gltd.gtms.plugin.etrali.web.EtradealWebConfig.getWebConfigs(EtradealWebConf ig.java:140)
at net.gltd.gtms.plugin.etrali.web.EtradealWebConfig.webConfigsToString(EtradealWe bConfig.java:119)
at net.gltd.gtms.plugin.etrali.web.EtradealWebConfig.doGet(EtradealWebConfig.java: 98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.jivesoftware.openfire.container.PluginServlet.handleServlet(PluginServlet.j ava:251)
at org.jivesoftware.openfire.container.PluginServlet.service(PluginServlet.java:91 )
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1093)
at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:70)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)
at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:146)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:11 8)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollect ion.java:206)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.j ava:829)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
Caused by: java.lang.ClassNotFoundException: com.etrali.sdk.jwsdp.security.SecurityEnvironmentHandler
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:375 )
at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:337 )
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.sun.xml.xwss.SecurityConfiguration.(SecurityConfiguration.java:79)
… 37 more

If however I stick the jars in Openfire\lib everything works fine.

Am I missing some kind of obvious way to get this working with the jars inside the plugin lib rather than inside the Openfire lib?

Leon_Roy · April 7, 2010, 12:23pm

Figured it out. Basically two issues.

Openfire by default uses JVM 1.6 u3 which predates JAX 2.1 (uses JAX 2.0) so two choices stick javaee.jar in jre/lib/endorsed (fun) or use standalone Openfire with a newer JVM.
ClassLoader fun. The thread class loader for my servlet has the following in its classpath:

ClassLoader loader = Thread.currentThread().getContextClassLoader();

loader url: ‘file:/C:/Program%20Files/openfire/plugins/admin/webapp/WEB-INF/lib/admin-jsp.j ar’

loader url: ‘file:/C:/Program%20Files/openfire/plugins/admin/webapp/WEB-INF/lib/commons-fil eupload.jar’

loader url: ‘file:/C:/Program%20Files/openfire/plugins/admin/webapp/WEB-INF/lib/commons-io. jar’

loader url: ‘file:/C:/Program%20Files/openfire/plugins/admin/webapp/WEB-INF/lib/dwr.jar’

However the plugin classloader has the libraries I want:

ClassLoader loader2 = EtradealWebConfig.class.getClassLoader();

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/classes/’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/web/’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/activation-1.1.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/etrali-websvc-1.0.5a.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/gtmsutil-1.0.8a.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/jms-1.1.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/jmxri-1.2.1.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/jmxtools-1.2.1.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/log4j-1.2.15.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/mail-1.4.jar’

loader2 url: ‘file:/C:/Program Files/openfire/plugins/etrali/lib/webservices-rt-1.0.jar’

So using the solution provided at the link below (thanks Martin) I simply changed the class loader for the thread to the plugin class loader, called my method and then changed it back.

http://www.igniterealtime.org/community/thread/32772