DavMail POP/IMAP/SMTP/Caldav to Exchange / Bugs / #715 DavMail crashes on MacOS Mojave

Mickael Guessant - 2019-08-03

Weird, used to be stable on OSX, the only crashes are related to SWT on linux.

This may related to recent changes on OSX Java API. Can you please confirm which JDK version you have ?

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Joseph Reagle - 2019-08-05

I know very little about Java, so it's best if you can have the program give the approriate diagnostics (or suggest specific commands). The panel from MacOS system prefs reports Java 8 Update 211. This is what I installed to get it working.

That said, from iTerm2:

╰─➤ ls -ld /usr/bin/java lrwxr-xr-x 1 root wheel 74 Sep 27 2018 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java* ╰─➤ java -version openjdk version "12" 2019-03-19 OpenJDK Runtime Environment (build 12+33) OpenJDK 64-Bit Server VM (build 12+33, mixed mode, sharing)
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Mickael Guessant - 2019-08-06

See my other comment, I need to work on this to build a working version on recent Java versions.

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Mickael Guessant - 2019-08-12

Ok, made much progress on this in latest trunk:

reimplemented about/preferences handlers with Java 9 desktop API, kept compatibility with JDK 8

tested on OSX Yosemite with both Oracle JDK 12 and ZuluFX 11
https://www.azul.com/downloads/zulu-community/?&os=macos&package=jre-fx

As there is no dmg package for ZuluFX, we have to set it manually:

download zulufx

unzip it

set JAVA_HOME to zulufx path

open DavMail.app

Experimental, embed Zulufx in DavMail.app:

download zulufx

unzip it to a new jre directory inside DavMail.app folder

edit DavMail.app/Contents/Info.plist and uncomment LSEnvironment key:

<key>LSEnvironment</key> <dict><key>JAVA_HOME</key><string>jre</string></dict>

Run DavMail.app => will use embedded ZuluFX JDK
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- Joseph Reagle - 2019-08-14
  
  I still don't know where to "embed" a "JRE directory". My directory looks like this:
  
  ╰─➤ ls /Applications/DavMail.app/Contents Info.plist Java/ MacOS/ Resources/
  
  Where, specifically, do I put ZuluFX ?
  
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  - Mickael Guessant - 2019-08-14
    
    With:
    
    <key>LSEnvironment</key> <dict><key>JAVA_HOME</key><string>jre</string></dict>
    
    Zulufx will be in
    /Applications/DavMail.app/jre
    
    => you will have a /Applications/DavMail.app/jre/bin/java executable
    
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    - Joseph Reagle - 2019-08-14
      
      Okay, did so and it's now running; we'll see if it crashes...
      
      ─reagle@hom /Applications/DavMail.app ╰─➤ mv ~/tmp/zulu11.33.15-ca-fx-jre11.0.4-macosx_x64 jre
      
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Joseph Reagle - 2019-08-12

This is what I've done so far:

remove old Java 8 and davmail

install java: 12.0.1,69cfe15208a647278a19ef0990eea691 from
https://www.oracle.com/technetwork/java/javase/

download and unzip davmail from github trunk https://ci.appveyor.com/api/projects/mguessan/davmail/artifacts/dist%2FDavMail-MacOSX-5.3.0-trunk.app.zip?job=Environment%3A%20JAVA_HOME%3DC%3A%5CProgram%20Files%5CJava%5Cjdk1.8.0

download and unzip zulu11 to zulu11.33.15-ca-fx-jre11.0.4-macosx_x64/

Where am I supposed to move the directory zulu11.33.15-ca-fx-jre11.0.4-macosx_x64/ in DavMail.app/Contents ? I don't know what a jre directory is.
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Joseph Reagle - 2019-08-12

Do I even need Zulufx?

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Mickael Guessant - 2019-08-12

Only if you want to use O365Interactive mode.

By default DavMail.app will use installed JDK (Oracle JDK 12 in your case)

Just in case you want to test ZuluFX, open a terminal where DavMail.app is located and run:

export JAVA_HOME=*/path/to*/zulu11.33.15-ca-fx-jre11.0.4-macosx_x64 open DavMail.app

replace /path/to with actual path
=> this is not persistent
=> if you want to make it the default for DavMail, embed it as described above
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Joseph Reagle - 2019-08-12

Odd. I don't have Zulufx installed, but in settings O365Interactive is still selected and things seems to be working. (Again with Java from homebrew and latest 5.3.0-trunk.app.)

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Joseph Reagle - 2019-08-13

Just had a crash. About says:

Current version: 5.3.0-trunk Latest version available: 5.3.1-3079 A new version of DavMail Gateway is available. Download latest version

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Joseph Reagle - 2019-08-13

Just install 5.3.1-trunk and notice a logging option. I enabled that (though I don't know what units of file size are).

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Mickael Guessant - 2019-08-13

DavMail and system logging are both visible in OSX console.

After a crash you should see a report in main OSX console with more information.
Please also consider trying with ZuluFX.

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Joseph Reagle - 2019-08-13

I experienced a crash and didn't see anything in the log I specified in the app. Which files specifically in OSX console would you want?

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Joseph Reagle - 2019-08-14

Running in background and crashed. System log attached.

crash.log

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Mickael Guessant - 2019-08-14

According to various sources, the crash is related to OpenGL, and sometimes triggered by hibernate/wakeup or hardware change (connect to external screen...)
=> see https://bugs.openjdk.java.net/browse/JDK-8227005

=> Another user asked me to enable:

<key>NSSupportsAutomaticGraphicsSwitching</key> <true/>

=> maybe we should try without this setting

=> we may also have to set java2d related properties:

-Dsun.java2d.opengl=true/false

Last edit: Mickael Guessant 2019-08-14
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Joseph Reagle - 2019-08-14

I think I'm running with Zulu and just experienced a crash.

davmail.log

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Mickael Guessant - 2019-08-15

Ok, so this is definitely an OpenJDK issue, do you have any idea of what could have triggered the crash ? What was the last message in davmail.log ?

Next step: try to disable opengl in Info.plist:

<key>JVMOptions</key> <array> <string>-Dsun.net.inetaddr.ttl=60 -Xmx512m -Dsun.java2d.opengl=false</string> </array>
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- Joseph Reagle - 2019-08-15
  
  It often crashes in the background, when I'm not doing anything in Thunderbird. DavMail only gets used when I send email via a particular identity, which isn't often (until I'm back on campus). I added the key above and will report back.
  
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Joseph Reagle - 2019-08-15

Just crashed while TB was trying to use it for the first time today.

crash.log

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Joseph Reagle - 2019-08-16

Just crashed while doing nothing in the background.

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Joseph Reagle - 2019-09-03

If I can provide you any other diagnostic/logging about the crashing; just tell me how and I will! :)

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Joseph Reagle - 2019-09-10

I'm back in my campus office for the semester and DavMail managed to run all day without a crash. Generally, my home machine and work machine are similar. Not sure what is different and which would prompt crashes at my home office.

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Joseph Reagle - 2019-09-12

My work machine doesn't have the Zulu and GL tweaks, so backing that back out at home and seeing if that helps.

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DavMail crashes on MacOS Mojave

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#715 DavMail crashes on MacOS Mojave

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