Chamin Dennis Livera [http://community.jboss.org/people/dennislivera] created the discussion "Error while sending E mail Notification in jBPM 3.2........." To view the discussion, visit: http://community.jboss.org/message/611813#611813 -------------------------------------------------------------- I have tried to send e mail Notification using following procedure <?xml version="1.0" encoding="UTF-8"?> <process-definition  xmlns="urn:jbpm.org:jpdl-3.2"  name="simple">     <start-state name="Start">         <transition to="Notification"></transition>     </start-state>     <task-node name="Notification">     <task name="Notification">     <event type="node-enter">      <mail name="M_MailAction" to=&quot;test(a)gmail.com (mailto:test@gmail.com)" template="jbpm.mail.templates.xml">      <subject>Subject: Mail action - mail</subject>      <text>Text: This mail is of type- mail actions</text>      </mail>      </event>     <assignment actor-id="E mail Sender"></assignment>     </task>         <transition to="End"></transition>     </task-node>     <end-state name="End"></end-state> </process-definition> but couldn't, following error occer every time i try log4j:WARN No appenders could be found for logger (org.jbpm.JbpmConfiguration). log4j:WARN Please initialize the log4j system properly. Exception in thread "main" java.lang.NoClassDefFoundError: javax/mail/Address     at java.lang.Class.forName0(Native Method)     at java.lang.Class.forName(Class.java:169)     at org.jbpm.jpdl.xml.JpdlXmlReader.class$(JpdlXmlReader.java:269)     at org.jbpm.jpdl.xml.JpdlXmlReader.createMailDelegation(JpdlXmlReader.java:879)     at org.jbpm.graph.action.MailAction.read(MailAction.java:17)     at org.jbpm.jpdl.xml.JpdlXmlReader.readAction(JpdlXmlReader.java:697)     at org.jbpm.jpdl.xml.JpdlXmlReader.createAction(JpdlXmlReader.java:681)     at org.jbpm.jpdl.xml.JpdlXmlReader.readActions(JpdlXmlReader.java:635)     at org.jbpm.jpdl.xml.JpdlXmlReader.readEvents(JpdlXmlReader.java:624)     at org.jbpm.jpdl.xml.JpdlXmlReader.readNode(JpdlXmlReader.java:529)     at org.jbpm.jpdl.xml.JpdlXmlReader.readNodes(JpdlXmlReader.java:256)     at org.jbpm.jpdl.xml.JpdlXmlReader.readProcessDefinition(JpdlXmlReader.java:157)     at org.jbpm.graph.def.ProcessDefinition.parseXmlResource(ProcessDefinition.java:181)     at com.sample.SimpleProcessTest.execute(SimpleProcessTest.java:18)     at com.sample.SimpleProcessTest.main(SimpleProcessTest.java:14) Caused by: java.lang.ClassNotFoundException: javax.mail.Address     at java.net.URLClassLoader$1.run(URLClassLoader.java:200)     at java.security.AccessController.doPrivileged(Native Method)     at java.net.URLClassLoader.findClass(URLClassLoader.java:188)     at java.lang.ClassLoader.loadClass(ClassLoader.java:303)     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)     at java.lang.ClassLoader.loadClass(ClassLoader.java:248)     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)     ... 15 more Whta went wrong, is there any other configurations i have to make?? Need Help? Thanks. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/611813#611813] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]