DavMail POP/IMAP/SMTP/Caldav to Exchange / Bugs / #621 Server mode should not require DISPLAY variable

#621 Server mode should not require DISPLAY variable

Milestone: v4.7.2

Status: closed

Owner: nobody

Labels: None

Priority: 5

Updated: 2016-07-09

Created: 2016-07-04

Creator: Michael Dubner

Private: No

Server mode should not require DISPLAY variable:

Exception in thread "SWT" org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed]
        at org.eclipse.swt.SWT.error(Unknown Source)
        at org.eclipse.swt.widgets.Display.createDisplay(Unknown Source)
        at org.eclipse.swt.widgets.Display.create(Unknown Source)
        at org.eclipse.swt.graphics.Device.<init>(Unknown Source)
        at org.eclipse.swt.widgets.Display.<init>(Unknown Source)
        at org.eclipse.swt.widgets.Display.<init>(Unknown Source)
        at davmail.ui.tray.SwtGatewayTray$5.run(SwtGatewayTray.java:217)
Exception in thread "AWT-EventQueue-0" java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
        at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:207)
        at java.awt.Window.<init>(Window.java:535)
        at java.awt.Frame.<init>(Frame.java:420)
        at java.awt.Frame.<init>(Frame.java:385)
        at javax.swing.JFrame.<init>(JFrame.java:174)
        at davmail.ui.tray.FrameGatewayTray.createAndShowGUI(FrameGatewayTray.java:272)
        at davmail.ui.tray.FrameGatewayTray$8.run(FrameGatewayTray.java:195)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
        at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:745)
        at java.awt.EventQueue.access$300(EventQueue.java:103)
        at java.awt.EventQueue$3.run(EventQueue.java:706)
        at java.awt.EventQueue$3.run(EventQueue.java:704)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:715)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

Here is my davmail.properties:

# DavMail settings, see http://davmail.sourceforge.net/ for documentation

#############################################################
# Basic settings

# Server or workstation mode
davmail.server=true
# connection mode auto, EWS or WebDav
davmail.enableEws=auto
# base Exchange OWA or EWS url
davmail.url=https://mycompany.com/owa/

# Listener ports
davmail.caldavPort=2080
davmail.imapPort=2143
davmail.ldapPort=2389
davmail.popPort=2110
davmail.smtpPort=2025

#############################################################
# Network settings

# Network proxy settings
davmail.enableProxy=false
davmail.useSystemProxies=false
davmail.proxyHost=
davmail.proxyPort=
davmail.proxyUser=
davmail.proxyPassword=

# proxy exclude list
davmail.noProxyFor=

# allow remote connection to DavMail
davmail.allowRemote=true
# bind server sockets to a specific address
davmail.bindAddress=
# client connections SO timeout in seconds
davmail.clientSoTimeout=

# DavMail listeners SSL configuration
davmail.ssl.keystoreType=
davmail.ssl.keystoreFile=
davmail.ssl.keystorePass=
davmail.ssl.keyPass=

# Accept specified certificate even if invalid according to trust store
davmail.server.certificate.hash=

# disable SSL for specified listeners
davmail.ssl.nosecurecaldav=false
davmail.ssl.nosecureimap=false
davmail.ssl.nosecureldap=false
davmail.ssl.nosecurepop=false
davmail.ssl.nosecuresmtp=false

# disable update check
davmail.disableUpdateCheck=true

# Send keepalive character during large folder and messages download
davmail.enableKeepalive=false
# Message count limit on folder retrieval
davmail.folderSizeLimit=0
# Default windows domain for NTLM and basic authentication
davmail.defaultDomain=

#############################################################
# Caldav settings

# override default alarm sound
davmail.caldavAlarmSound=
# retrieve calendar events not older than 90 days
davmail.caldavPastDelay=90
# WebDav only: force event update to trigger ActiveSync clients update
davmail.forceActiveSyncUpdate=false

#############################################################
# IMAP settings

# Delete messages immediately on IMAP STORE \Deleted flag
davmail.imapAutoExpunge=true
# Enable IDLE support, set polling delay in minutes
davmail.imapIdleDelay=
# Always reply to IMAP RFC822.SIZE requests with Exchange approximate message size for performance reasons
davmail.imapAlwaysApproxMsgSize=

#############################################################
# POP settings

# Delete messages on server after 30 days
davmail.keepDelay=30
# Delete messages in server sent folder after 90 days
davmail.sentKeepDelay=90
# Mark retrieved messages read on server
davmail.popMarkReadOnRetr=false

#############################################################
# SMTP settings

# let Exchange save a copy of sent messages in Sent folder
davmail.smtpSaveInSent=true

#############################################################
# Loggings settings

# log file path, leave empty for default path
davmail.logFilePath=/var/log/davmail.log
# maximum log file size, use Log4J syntax, set to 0 to use an external rotation mechanism, e.g. logrotate
davmail.logFileSize=1MB
# log levels
log4j.logger.davmail=WARN
log4j.logger.httpclient.wire=WARN
log4j.logger.org.apache.commons.httpclient=WARN
log4j.rootLogger=WARN

#############################################################
# Workstation only settings

# smartcard access settings
davmail.ssl.pkcs11Config=
davmail.ssl.pkcs11Library=

# SSL settings for mutual authentication
davmail.ssl.clientKeystoreType=
davmail.ssl.clientKeystoreFile=
davmail.ssl.clientKeystorePass=

# disable all balloon notifications
davmail.disableGuiNotifications=false
# disable startup balloon notifications
davmail.showStartupBanner=true

# enable transparent client Kerberos authentication
davmail.enableKerberos=false

Discussion

Mickael Guessant - 2016-07-04

status: open --> pending-works-for-me
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Mickael Guessant - 2016-07-04

Your DavMail instance is trying to build Frame GUI => it's definitely not running in server mode.

Please make sure you provide the path to your davmail.properties:

davmail davmail.properties
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Michael Dubner - 2016-07-06

Seems that parameters lost somewhere in docker run chain. Thanks and sorry.

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Mickael Guessant - 2016-07-09

status: pending-works-for-me --> closed
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Mickael Guessant - 2016-07-09

Thanks for your feedback

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Server mode should not require DISPLAY variable

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#621 Server mode should not require DISPLAY variable

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