Lucee JVM

How to determine which JVM / Java version Lucee is using?
How does one update the JVM?

How do you change JVM versions for Lucee? is it just a matter of changing
the java path?

in the command line you should be able to do this:

/usr/libexec/java_home -V

Which will give you the path of all the versions of java that are installed. From memory, the CurrentJDK folder is just a symlink to the correct folder.

HTH

Mark Drew

develop • deploy • deliver
http://charliemikedelta.com ttp://charliemikedelta.com> On 20 May 2015, at 15:07, Nando Breiter <@Nando_Breiter> wrote:

How to determine which JVM / Java version Lucee is using?
How does one update the JVM?

From the output of startup.sh on my dev laptop, a Mac, I see
Using JRE_HOME: /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"

but I’m not sure how to check which version of Java is installed there, or how to point Lucee to another path with an updated JRE.

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia


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on OS X yes since lucee express (usually is simply a call to java -jar catalina.jar

The main way is to change your JAVA_HOME env var.

Regards

Mark Drew

develop • deploy • deliver
http://charliemikedelta.com ttp://charliemikedelta.com> On 20 May 2015, at 17:07, Jonathan Brookins <@Jonathan_Brookins> wrote:

How do you change JVM versions for Lucee? is it just a matter of changing the java path?


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I get:

Using JRE_HOME:
/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home

Which doesn’t include the version in the path … hence my doubt …

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamediaOn Wed, May 20, 2015 at 4:25 PM, Mark Drew <@Mark_Drew> wrote:

When I start up lucee from the command line I get a whole bunch of startup
stuff… one of the first few things you get is:

Using JRE_HOME:
/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home

Which is telling you exactly which JRE it using.

HTH

Mark Drew

develop • deploy • deliver
http://charliemikedelta.com

On 20 May 2015, at 15:22, Nando Breiter <@Nando_Breiter> wrote:

So is my Lucee install using 1.6.0_65?

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia

On Wed, May 20, 2015 at 4:21 PM, Nando Breiter <@Nando_Breiter> wrote:

Running /usr/libexec/java_home -V, I get:

Matching Java Virtual Machines (2):
1.6.0_65-b14-462, x86_64: “Java SE 6”
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
1.6.0_65-b14-462, i386: “Java SE 6”
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia

On Wed, May 20, 2015 at 4:16 PM, Mark Drew <@Mark_Drew> wrote:

in the command line you should be able to do this:

/usr/libexec/java_home -V

Which will give you the path of all the versions of java that are
installed. From memory, the CurrentJDK folder is just a symlink to the
correct folder.

HTH

Mark Drew

<cmd.png>

develop • deploy • deliver
http://charliemikedelta.com

On 20 May 2015, at 15:07, Nando Breiter <@Nando_Breiter> wrote:

How to determine which JVM / Java version Lucee is using?
How does one update the JVM?

From the output of startup.sh on my dev laptop, a Mac, I see
Using JRE_HOME:
/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"

but I’m not sure how to check which version of Java is installed there,
or how to point Lucee to another path with an updated JRE.

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia


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p.s. see also
https://bitbucket.org/lucee/lucee/src/master/build/installer/tomcat7/bin/catalina.sh#cl-47

Igal Sapir
Lucee Core Developer
Lucee.org http://lucee.org/On 5/20/2015 9:21 AM, Igal @ Lucee.org wrote:

the files you were looking at, server.xml, catalina.properties, etc.
are loaded by Java after the process is already started, so it can not
be there (the path must be known before the Java process is launched
in order to launch it).

there is a .bat and/or .sh script that launches the JVM, and that is
where you have something like (try catalina.sh):

%JRE_HOME%/bin/java <args>

or

$JRE_HOME/bin/java <args>

JRE_HOME defaults to $JAVA_HOME/jre if it is not defined.

so if you want to change the launch script (which you really
shouldn’t) you can change it there.

the right way is to set the path in the ENVIRONMENT variables,
JRE_HOME or JAVA_HOME

on Windows when running as a service you can do it in the Java tab of
the configuration applet.

Igal Sapir
Lucee Core Developer
Lucee.org http://lucee.org/

On 5/20/2015 9:11 AM, Nando Breiter wrote:

On Wed, May 20, 2015 at 6:07 PM, Jonathan Brookins <@Jonathan_Brookins mailto:Jonathan_Brookins> wrote:

How do you change JVM versions for Lucee?  is it just a matter of
changing the java path?

I hunted around a bit in server.xml, catalina.properties and every
other file in /tomcat/conf/ but didn’t find a java path setting.

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on the server web admin you will see details
/lucee/admin/server.cfm

General InfoVersionLucee 4.5.1.012 finalVersion NameNeo
https://www.facebook.com/neo.cfmRelease date28/04/2015ColdFusion®
compatibilty version10.0.0.0
Configuration File/opt/railo/lib/lucee-server/context/lucee-server.xmlOSLinux
(3.4.0) 32bitRemote IP127.0.0.1Host Namewebonix.netServlet
ContainerJava1.7.0_25
(Oracle Corporation) 32bitArchitecture32bitOn 20 May 2015 at 22:07, Nando Breiter <@Nando_Breiter> wrote:

How to determine which JVM / Java version Lucee is using?
How does one update the JVM?

From the output of startup.sh on my dev laptop, a Mac, I see
Using JRE_HOME:
/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"

but I’m not sure how to check which version of Java is installed there, or
how to point Lucee to another path with an updated JRE.

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia


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AJ Mercer
<webonix:net strength=“Industrial” /> http://webonix.net | <webonix:org
community=“Open” /> http://webonix.org
http://twitter.com/webonix

great! now you can easily update it to Java 8u45 :wink:

Igal Sapir
Lucee Core Developer
Lucee.org http://lucee.org/On 5/21/2015 7:08 AM, Nando Breiter wrote:

To review, I’ve been trying to get Lucee to use a more recent JVM on
my Mac dev machine. Right now, it’s using 1.6.0_65.

Here’s what I’ve done.

  1. downloaded JDK
    from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
  2. installed the dmg file
  3. ran /usr/libexec/java_home -V to find the installation path,
    here’s the output:

Matching Java Virtual Machines (3):
1.7.0_79, x86_64:“Java SE
7”/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home
1.6.0_65-b14-462, x86_64:“Java SE
6”/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
1.6.0_65-b14-462, i386:“Java SE
6”/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

Lovely.

Following the instructions here:

https://apple.stackexchange.com/questions/106778/how-do-i-set-environment-variables-on-os-x

  1. I created a .profile file in my home directory and added the
    following line to it:

export
JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home

Restarted just to make sure the changes were picked up

  1. ran env on the command line, and bummer, the environment variable
    was not set.

  2. As per a comment in the above, I moved the export statement to the
    existing .bash_profile file in my home directory

Restarted

  1. ran env and now I see

JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home

Brilliant.

So I start Lucee and check which version of Java it’s using …

1.6.0_65

Bummer.

As has been mentioned before in this thread, the Java paths are set in
catalina.sh. Here’s some relevant info from catalina.sh:

JAVA_HOME Must point at your Java Development Kit installation.

Required to run the with the “debug” argument.

JRE_HOME Must point at your Java Runtime installation.

Defaults to JAVA_HOME if empty. If JRE_HOME and

JAVA_HOME

are both set, JRE_HOME is used.

Oh, ok. So

  1. I add export
    JRE_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home to
    the .bash_profile file in my home directory, log out and back in. Then

  2. I ran env, and now I also
    see JRE_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home in
    the output. Now we’re getting somewhere!

Restart Lucee and check which version of … sigh … still 1.6.0_65

Noting that at startup it says

Using JRE_HOME:
/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"

I google “change currentjdk mac”

Find the following link:

https://www.monkehworks.com/set-java-7-as-default-jvm-on-mac-osx-mountain-lion/

Feeling hopeful,

  1. I change the symlink, log out and back in to make sure the changes
    are picked up

Restart Lucee and check which version of Java is being used in the
Overview admin panel by clicking on the Lucee logo,

and wala! Lucee is now using 1.7.0_79

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601 tel:%2B41%20(0)91%20600%209601
+41 (0)76 303 4477 tel:%2B41%20(0)76%20303%204477 cell
skype: ariamedia

On Thu, May 21, 2015 at 3:48 AM, AJ Mercer <@AJ_Mercer mailto:AJ_Mercer> wrote:

on the server web admin you will see details
/lucee/admin/server.cfm


    General Info

Version 	Lucee 4.5.1.012 final
Version Name 	Neo <https://www.facebook.com/neo.cfm>
Release date 	28/04/2015
ColdFusion® compatibilty version 	10.0.0.0


Configuration File
/opt/railo/lib/lucee-server/context/lucee-server.xml
OS 	Linux (3.4.0) 32bit
Remote IP 	127.0.0.1
Host Name 	webonix.net <http://webonix.net>
Servlet Container 	
Java 	1.7.0_25 (Oracle Corporation) 32bit
Architecture 	32bit


On 20 May 2015 at 22:07, Nando Breiter <@Nando_Breiter <mailto:@Nando_Breiter>> wrote:

    How to determine which JVM / Java version Lucee is using?
    How does one update the JVM?

    From the output of startup.sh on my dev laptop, a Mac, I see
    Using JRE_HOME:      
     /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"

    but I'm not sure how to check which version of Java is
    installed there, or how to point Lucee to another path with an
    updated JRE.

    Aria Media Sagl
    Via Rompada 40
    6987 Caslano
    Switzerland

    +41 (0)91 600 9601 <tel:%2B41%20%280%2991%20600%209601>
    +41 (0)76 303 4477 <tel:%2B41%20%280%2976%20303%204477> cell
    skype: ariamedia
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<webonix:org community="Open" /> <http://webonix.org>
http://twitter.com/webonix
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To review, I’ve been trying to get Lucee to use a more recent JVM on my Mac
dev machine. Right now, it’s using 1.6.0_65.

Here’s what I’ve done.

  1. downloaded JDK from
    http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
  2. installed the dmg file
  3. ran /usr/libexec/java_home -V to find the installation path, here’s
    the output:

Matching Java Virtual Machines (3):
1.7.0_79, x86_64: “Java SE 7”
/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home
1.6.0_65-b14-462, x86_64: “Java SE 6”
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
1.6.0_65-b14-462, i386: “Java SE 6”
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

Lovely.

Following the instructions here:

https://apple.stackexchange.com/questions/106778/how-do-i-set-environment-variables-on-os-x

  1. I created a .profile file in my home directory and added the following
    line to it:

export
JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home

Restarted just to make sure the changes were picked up

  1. ran env on the command line, and bummer, the environment variable was
    not set.

  2. As per a comment in the above, I moved the export statement to the
    existing .bash_profile file in my home directory

Restarted

  1. ran env and now I see

JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home

Brilliant.

So I start Lucee and check which version of Java it’s using …

1.6.0_65

Bummer.

As has been mentioned before in this thread, the Java paths are set in
catalina.sh. Here’s some relevant info from catalina.sh:

JAVA_HOME Must point at your Java Development Kit installation.

Required to run the with the “debug” argument.#

JRE_HOME Must point at your Java Runtime installation.

Defaults to JAVA_HOME if empty. If JRE_HOME and

JAVA_HOME

are both set, JRE_HOME is used.

Oh, ok. So

  1. I add export JRE_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_
    79.jdk/Contents/Home to the .bash_profile file in my home directory, log
    out and back in. Then

  2. I ran env, and now I also see
    JRE_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home in
    the output. Now we’re getting somewhere!

Restart Lucee and check which version of … sigh … still 1.6.0_65

Noting that at startup it says

Using JRE_HOME: /System/Library/Frameworks/JavaVM.framework/Versions/
CurrentJDK/Home"

I google “change currentjdk mac”

Find the following link:

https://www.monkehworks.com/set-java-7-as-default-jvm-on-mac-osx-mountain-lion/

Feeling hopeful,

  1. I change the symlink, log out and back in to make sure the changes are
    picked up

Restart Lucee and check which version of Java is being used in the Overview
admin panel by clicking on the Lucee logo,

and wala! Lucee is now using 1.7.0_79

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia

On Thu, May 21, 2015 at 3:48 AM, AJ Mercer <@AJ_Mercer> wrote:

on the server web admin you will see details
/lucee/admin/server.cfm

General InfoVersionLucee 4.5.1.012 finalVersion NameNeo
https://www.facebook.com/neo.cfmRelease date28/04/2015ColdFusion®
compatibilty version10.0.0.0
Configuration File/opt/railo/lib/lucee-server/context/lucee-server.xmlOSLinux
(3.4.0) 32bitRemote IP127.0.0.1Host Namewebonix.netServlet ContainerJava1.7.0_25
(Oracle Corporation) 32bitArchitecture32bit

On 20 May 2015 at 22:07, Nando Breiter <@Nando_Breiter> wrote:

How to determine which JVM / Java version Lucee is using?
How does one update the JVM?

From the output of startup.sh on my dev laptop, a Mac, I see
Using JRE_HOME:
/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"

but I’m not sure how to check which version of Java is installed there,
or how to point Lucee to another path with an updated JRE.

Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland

+41 (0)91 600 9601
+41 (0)76 303 4477 cell
skype: ariamedia


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