Thx for the fast answer. The full error : type Exception report | | message | | description The server encountered an internal error () that prevented it from fulfilling this request. | | exception | | javax.servlet.ServletException: Servlet execution threw an exception | at.gv.brz.findok_intranet_internet.web.filter.Acronyms.doFilter(Acronyms.java:126) | at.gv.brz.findok_intranet_internet.web.filter.PerformanceMeasurement.doFilter(PerformanceMeasurement.java:29) | at.gv.brz.findok_intranet_internet.web.filter.InputParameterFilter.doFilter(InputParameterFilter.java:79) | org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | | root cause | | java.lang.NoClassDefFoundError: at/gv/brz/findok/businesslogik/FindokControllerLocalProxy | at.gv.brz.findok_intranet_internet.web.WebStaticHelpers.getFindokController(WebStaticHelpers.java:49) | at.gv.brz.findok_intranet_internet.web.FreeSearchAction.execute(FreeSearchAction.java:60) | org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) | org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) | org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) | org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415) | javax.servlet.http.HttpServlet.service(HttpServlet.java:710) | javax.servlet.http.HttpServlet.service(HttpServlet.java:803) | at.gv.brz.findok_intranet_internet.web.filter.Acronyms.doFilter(Acronyms.java:126) | at.gv.brz.findok_intranet_internet.web.filter.PerformanceMeasurement.doFilter(PerformanceMeasurement.java:29) | at.gv.brz.findok_intranet_internet.web.filter.InputParameterFilter.doFilter(InputParameterFilter.java:79) | org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | | root cause | | java.lang.ClassNotFoundException: at.gv.brz.findok.businesslogik.FindokControllerLocalProxy from BaseClassLoader@122c960{VFSClassLoaderPolicy@d2e636{name=vfszip:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/FINDOK_Internet.ear/FINDOK_Internet_Web.war domain=ClassLoaderDomain@f50903{name=vfszip:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/FINDOK_Internet.ear/FINDOK_Internet_Web.war parentPolicy=AFTER_BUT_JAVA_BEFORE parent=BaseClassLoader@15927e2{vfszip:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/FINDOK_Internet.ear}} roots=[ZipEntryHandler(a)532261[path=FINDOK_Internet.ear/FINDOK_Internet_Web.war/WEB-INF/classes context=file:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/ real=file:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/FINDOK_Internet.ear/FINDOK_Internet_Web.war/WEB-INF/classes], DelegatingHandler(a)20240385[path=FINDOK_Internet.ear/FINDOK_Internet_Web.war/WEB-INF/lib/commons-fileupload.jar context=file:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/ real=file:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/FINDOK_Internet.ear/FINDOK_Internet_Web.war/WEB-INF/lib/commons-fileupload.jar], ZipEntryHandler(a)5323701[path=FINDOK_Internet.ear/FINDOK_Internet_Web.war/WEB-INF context=file:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/ real=file:/D:/ENTWICKLUNG/dv-java/jboss-5.0.0.GA/server/default/deploy/FINDOK_Internet.ear/FINDOK_Internet_Web.war/WEB-INF]] delegates=null exported=[, lib..svn, lib..svn.prop-base, at.gv.brz.findok_intranet_internet.web.adminTool, at.gv.brz.findok_intranet_internet.web.filter, at.gv.brz.findok_intranet_internet.util.messagetree, com.fredck.FCKeditor.tags, com.fredck.FCKeditor.uploader, .svn.prop-base, com.fredck.FCKeditor, lib..svn.text-base, at.gv.brz.findok_intranet_internet.util.filesize, at.gv.brz.findok_intranet_internet.util.searchedFor, .svn.text-base, at.gv.brz.findok_intranet_internet.web.taglib, at.gv.brz.findok_intranet_internet.web.adminTool.deleteneuzugaenge, at.gv.brz.findok_intranet_internet.util, at.gv.brz.findok_intranet_internet.web.startup, com.fredck.FCKeditor.connector, at.gv.brz.findok_intranet_internet.web, org.apache.commons.fileupload, at.gv.brz.findok_intranet_internet.web.mymessageresource, at.gv.brz.findok_intranet_internet.web.support, META-INF, lib, .svn, at.gv.brz.findok_intranet_internet.web.portalneuz] <IMPORT-ALL>NON_EMPTY}} | org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:385) | java.lang.ClassLoader.loadClass(Unknown Source) | java.lang.ClassLoader.loadClassInternal(Unknown Source) | at.gv.brz.findok_intranet_internet.web.WebStaticHelpers.getFindokController(WebStaticHelpers.java:49) | at.gv.brz.findok_intranet_internet.web.FreeSearchAction.execute(FreeSearchAction.java:60) | org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) | org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) | org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) | org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415) | javax.servlet.http.HttpServlet.service(HttpServlet.java:710) | javax.servlet.http.HttpServlet.service(HttpServlet.java:803) | at.gv.brz.findok_intranet_internet.web.filter.Acronyms.doFilter(Acronyms.java:126) | at.gv.brz.findok_intranet_internet.web.filter.PerformanceMeasurement.doFilter(PerformanceMeasurement.java:29) | at.gv.brz.findok_intranet_internet.web.filter.InputParameterFilter.doFilter(InputParameterFilter.java:79) | org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | With "jboss-app.xml" you mean this ? | <bean name="EARClassLoaderDeployer" class="org.jboss.deployment.EarClassLoaderDeployer"> | <!-- A flag indicating if ear deployments should have their own scoped | class loader to isolate their classes from other deployments. | --> | <property name="isolated">false</property> | </bean> | Because i cant find any "jboss-app.xml" in jboss-folder. Its hard to descripe our EAR's. We have 3, and in one EAR there is a class which needs to create a class which is in a jar in another EAR. In Jboss 4.0.5 everything worked, now it seems that classes cant be found over EAR's, just inside each EAR. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4200896#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...