Hi @all, I try to use SMTPAppender for logging errors to respective users via E-Mail in OSGi. My configuration is:
g! lb mail START LEVEL 10 ID|State |Level|Name 227|Resolved | 1|JavaMail API (1.4.4)I write following BundleActivator (I switch the real addresses with stubs), sending an email via SMTPAppender and Java Mail from scratch.
package de.sgbs.log;
import java.util.logging.Level;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
import org.slf4j.MarkerFactory;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.core.joran.spi.JoranException;
public class Activator implements BundleActivator {
private final static Logger logger = LoggerFactory.getLogger(Activator.class);
@Override
public void start(BundleContext context) throws Exception {
try {
LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(lc);
lc.reset();
lc.putProperty("application-name", Activator.class.getSimpleName());
configurator.doConfigure("logback.xml");
Marker notifyAdmin = MarkerFactory.getMarker("NOTIFY_ADMIN");
logger.error(notifyAdmin,
"This is a serious an error requiring the admin's attention",
new Exception("Just testing"));
} catch (JoranException ex) {
java.util.logging.Logger.getLogger(Activator.class.getName()).log(Level.SEVERE, null, ex);
}
sendEMail();
}
private void sendEMail() throws MessagingException {
java.util.Properties props = new java.util.Properties();
props.put("mail.smtp.host", "smtp");
props.put("mail.smtp.port", "25");
Session session = Session.getDefaultInstance(props, null);
// Construct the message
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("me@gmail.com"));
msg.setRecipient(Message.RecipientType.TO, new InternetAddress("foo@bar.com"));
msg.setSubject("Test");
msg.setText("Hello user, you got an error:");
// Send the message
Transport.send(msg);
}
@Override
public void stop(BundleContext context) {
logger.info("Goodbye Community!");
}
}
My logback.xml
Sending from scratch works. SMTPAppender raises an error. This error is given on the osgi console:NOTIFY_ADMIN TRANSACTION_FAILURE smtp foo@bar.com me@gmail.com TESTING: %logger{20} - %m %date %-5level %logger{35} - %message%n
10:14:46,850 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [EMAIL] to Logger[ROOT] 10:14:47,048 |-ERROR in ch.qos.logback.classic.net.SMTPAppender[EMAIL] - Error occured while sending e-mail notification. javax.mail.MessagingException: IOException while sending message; nested exception is: javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; boundary="----=_Part_5_17758761.1325668486851" at javax.mail.MessagingException: IOException while sending message at at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1141) at at javax.mail.Transport.send0(Transport.java:195) at at javax.mail.Transport.send(Transport.java:124) at at ch.qos.logback.core.net.SMTPAppenderBase.sendBuffer(SMTPAppenderBase.java:343) at at ch.qos.logback.core.net.SMTPAppenderBase.append(SMTPAppenderBase.java:179) at at ch.qos.logback.core.AppenderBase.doAppend(AppenderBase.java:85) at at ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:64) at at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:285) at at ch.qos.logback.classic.Logger.callAppenders(Logger.java:272) at at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:473) at at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:427) at at ch.qos.logback.classic.Logger.error(Logger.java:610) at at de.sgbs.log.Activator.start(Activator.java:37) at at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:629) ... Caused by: javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; boundary="----=_Part_5_17758761.1325668486851" at at javax.activation.ObjectDataContentHandler.writeTo(DataHandler.java:877) at at javax.activation.DataHandler.writeTo(DataHandler.java:302) at at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1476) at at javax.mail.internet.MimeMessage.writeTo(MimeMessage.java:1772) at at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1099) at ... 47 common frames omitted 10:14:47,049 |-INFO in ch.qos.logback.classic.net.SMTPAppender[EMAIL] - SMTPAppender [EMAIL] is tracking [1] buffersFirst I thought MIME type multipart/mixed is the cause. I checked my SMTP Server Settings, sending email is ok. I tried googlemail. It's working too. I found another resource with the same error message. Could it be an classloader problem? Could someone help me to pinpoint the problem? Thanks in advance.