Experimental Physics and
Industrial Control System

On 8/31/23 18:20, Pierrick M Hanlet via Tech-talk wrote:
> Greetings,
> We are migrating our controls network to Alma Linux 9.2 and are now having issues with Pheobus,
> namely that it crashes due to "insufficient memory for the Java Runtime Environment to continue".

The text of the message mentions "or process/resource limits reached".
Have you investigated RLIMIT_NPROC?

(although I may be getting confused about OS as you mention both OSX and Windows below)


> We are using v4.7.2-SNAPSHOT.  We've done a number of tests, and the summary of results are:
>
> WORKS OK:
> SLF7 + openjdk-11.0.17.0.8-2       on VM with 3GB, 3 CPU
> SLF7 + openjdk-11.0.17.0.8-2       on VM with 2GB, 2 CPU
> Alma 9 + openjdk-11.0.20.0.8-3    on VM with 3GB, 3 CPU displaying on Mac + XQuartz
> This one is strange.  It works on a Mac but not on MS Windows.  The only obvious difference seen with 'xdpyinfo' is that XQuartz
> on the Mac has a WINDOWS-DRI extension which Cygwin-X does not have.
>
>
> DOESN'T WORK:  fails with "There is insufficient memory for the Java Runtime Environment to continue."
> Alma 9 + openjdk-11.0.20.0.8-3    on VM with 3GB,  3 CPU displaying on Windows+Cygwin-X and on another linux box with x-forwarding
> Alma 9 + openjdk-17.0.8.0.7-2     on VM with 3GB,  3 CPU displaying on Windows+Cygwin-X and on another linux box with x-forwarding
> Alma 9 + openjdk-11.0.20.0.8-3    on VM with 16GB, 3 CPU displaying on Windows+Cygwin-X
>
> A screenshot of what happens immediately before Pheobus crashes after attempting to open a 3rd bob file:
>
>
> Is there some configuration that we need that we are not providing?  Our java options are:
> NOTE: Picked up JDK_JAVA_OPTIONS:  -DCA_DISABLE_REPEATER=true -Dnashorn.args=--no-deprecation-warning -Djdk.gtk.verbose=false -Dprism.forceGPU=true -Dlogback.configurationFile=/home/train/epics-tools/setup/settings/logback.xml -Dorg.csstudio.javafx.rtplot.update_counter=false
> 2023-08-31 11:13:13 SEVERE [org.phoebus.product.Launcher] Default charset is US-ASCII instead of UTF-8.
> 2023-08-31 11:13:13 SEVERE [org.phoebus.product.Launcher] Add    -D"file.encoding=UTF-8"    to java command line or JAVA_TOOL_OPTIONS
> 2023-08-31 11:13:13 INFO [org.phoebus.product.Launcher] Loading settings from /usr/local/epics/Config/CSS/Phoebus/settings.ini
> 2023-08-31 11:13:13 INFO [java.util.prefs] Created user preferences directory.
> 2023-08-31 11:13:13 WARNING [javafx] Unsupported JavaFX configuration: classes were loaded from 'unnamed module @6a906827'
> 2023-08-31 11:13:15 SEVERE [org.phoebus.framework.preferences] No default setting for preference org.phoebus.applications.alarm.logging.ui/rawFiltering
> 2023-08-31 11:13:15 WARNING [org.phoebus.ui.application.PhoebusApplication] Cannot load state from /export/home1/hanlet/.phoebus/memento, no such file
> 2023-08-31 11:13:25 SEVERE [org.phoebus.framework.preferences] No default setting for preference org.phoebus.applications.update/gitlab_api_url
> 2023-08-31 11:13:25 SEVERE [org.phoebus.framework.preferences] No default setting for preference org.phoebus.applications.update/gitlab_project_id
> 2023-08-31 11:13:25 SEVERE [org.phoebus.framework.preferences] Reading Preferences: Java system property or Environment variable'$(arch)' is not defined
> 2023-08-31 11:13:25 SEVERE [org.phoebus.framework.preferences] No default setting for preference org.phoebus.applications.update/gitlab_token
> 2023-08-31 11:13:25 SEVERE [org.phoebus.framework.preferences] Reading Preferences: Java system property or Environment variable'$(arch)' is not defined
> 2023-08-31 11:13:50 SEVERE [org.phoebus.ui.application.PhoebusApplication] UI Freezeup
>
> I know little about java, so I don't know how severe the SEVERE warnings are.
>
> Attached is the logging.properties file.
>
>
> Many thanks,
> Pierrick
>
> --
> Pierrick Hanlet
> Fermi National Accelerator
> Accelerator Front End Controls
> +1-630-840-5555 -- lab
> +1-312-687-4980 -- mobile
>
> "Whether you think you can or think you can't, you're right" -- Henry Ford
>