Re: Unrecognized command line option when starting Solr 8.7 with Java 11 Open J9

[Colvin Cowie <co...@gmail.com>]

Hello

I created an issue for this https://issues.apache.org/jira/browse/SOLR-15410
and I've created a PR. Details are on the issue.

Colvin

On Mon, 15 Mar 2021 at 23:41, Elizaveta Golova <EG...@uk.ibm.com> wrote:

> Hi,
>
> Yes Chris, Open J9 have an issue on their backlog for this:
> https://github.com/eclipse/openj9/issues/8195
>
> This is related to the GC_LOG_OPTS in solr.cmd.
> Unfortunately, this can't be set in solr.in.cmd due to:
> "For Java 9 or higher: GC_LOG_OPTS is currently not supported. If you set
> it, the startup script will exit with failure."
>
> As the -verbose:gc option works, we've found that having the OpenJ9 java
> set the pre Java 9 GC_LOG_OPTS in solr.cmd appears to work, and doesn't
> change how HotSpot options are set.
>
> if !JAVA_MAJOR_VERSION! GEQ 9 IF "%JAVA_VENDOR%" IF NOT "IBM J9"  (
> REM instead of: if !JAVA_MAJOR_VERSION! GEQ 9 IF "%JAVA_VENDOR%"(
>   IF NOT "%GC_LOG_OPTS%"=="" (
>     echo ERROR: On Java 9 you cannot set GC_LOG_OPTS, only default GC
> logging is available. Exiting
>     GOTO :eof
>   )
>   set
> GC_LOG_OPTS="-Xlog:gc*:file=\"!SOLR_LOGS_DIR!\solr_gc.log\":time,uptime:filecount=9,filesize=20M"
> ) else (
>   IF "%GC_LOG_OPTS%"=="" (
>     rem Set defaults for Java 8
>     set GC_LOG_OPTS=-verbose:gc ^
>      -XX:+PrintHeapAtGC ^
>      -XX:+PrintGCDetails ^
>      -XX:+PrintGCDateStamps ^
>      -XX:+PrintGCTimeStamps ^
>      -XX:+PrintTenuringDistribution ^
>      -XX:+PrintGCApplicationStoppedTime
>   )
>   if "%JAVA_VENDOR%" == "IBM J9" (
>     set GC_LOG_OPTS=!GC_LOG_OPTS!
> "-Xverbosegclog:!SOLR_LOGS_DIR!\solr_gc.log" -XX:+UseGCLogFileRotation
> -XX:NumberOfGCLogFiles=9 -XX:GCLogFileSize=20M
>   ) else (
>     set GC_LOG_OPTS=!GC_LOG_OPTS! "-Xloggc:!SOLR_LOGS_DIR!\solr_gc.log"
> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=9 -XX:GCLogFileSize=20M
>   )
> )
>
>
> Any chance that something like this can be put in a patch/future release?
>
> Lisa
>
>
>
> ----- Original message -----
> From: Chris Hostetter <ho...@fucit.org>
> To: users@solr.apache.org
> Cc:
> Subject: [EXTERNAL] Re: Unrecognized command line option when starting
> Solr 8.7 with Java 11 Open J9
> Date: Mon, Mar 15, 2021 7:54 PM
>
> I know nothing about Open J9, but some quick googling suggests that OpenJ9
> changed their -Xlog parsing rules at some point -- the current docs don't
> mention anything about some of the options you are using (other then
> 'file')
>
> https://www.eclipse.org/openj9/docs/xlog/
> https://www.eclipse.org/openj9/docs/xxlegacyxlogoption/
>
>
>
>
>
> : Date: Mon, 15 Mar 2021 13:38:45 -0500
> : From: dmitri maziuk <dm...@gmail.com>
> : Reply-To: users@solr.apache.org
> : To: users@solr.apache.org
> : Subject: Re: Unrecognized command line option when starting Solr 8.7
> with Java
> :      11 Open J9
> :
> : On 2021-03-15 12:32 PM, Subhajit Das wrote:
> :
> : > JVMJ9VM007W Command-line option unrecognised:
> : >
> -Xlog:gc*:file="C:\solr\server\logs\solr_gc.log":time,uptime:filecount=9,filesize=20M
> :
> : Windows to unix path translation's weird. Things like
> : '\\c\\solr\\server\\logs\\solr_gc.log' work in some cases.
> :
> : Dima
> :
> :
>
> -Hoss
>
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