Re: Problems Increassing -Xmx

2012-10-02 Thread Konstantin Kolinko
2012/10/2 Caldarale, Charles R chuck.caldar...@unisys.com:
 From: joel badia escolà [mailto:basto...@gmail.com]
 Subject: Problems Increassing -Xmx

 if [ -z $JAVA_OPTS ]; then
   JAVA_OPTS=-Djava.awt.headless=true -Xmx2000m  RELEVANT
 fi

 And what happens if you don't put quotation marks around the values?


Quotes are OK. It is shell scripting, not Windows one.

What is not OK:
1. The statement inside of if executes only if $JAVA_OPTS is empty.
Is it empty?
2. Learn the difference between JAVA_OPTS and CATALINA_OPTS variables.
 You should not put such a value into JAVA_OPTS. You should not put it
info both variables at the same time.

 And i tried to modify /usr/share/tomcat6/bin/catalina.sh like this:

 Don't do that; create a setenv.sh script to hold any environment variables 
 you need to set.


+1

 it seems that tomcat ignores me

 These are not Tomcat parameters, they are JVM system properties.


+1 s/properties/options/,  and only for Sun/Oracle/OpenJDK JVM

An OutOfMemory is a strange way to test this option.  It is easy to
exhaust a 2Gb heap if you are inaccurate.

Have you tried to search the archives of this mailing list?

Best regards,
Konstantin Kolinko

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Re: Problems Increassing -Xmx

2012-10-02 Thread joel badia escolà
2012/10/2, Konstantin Kolinko knst.koli...@gmail.com:
 2012/10/2 Caldarale, Charles R chuck.caldar...@unisys.com:
 From: joel badia escolà [mailto:basto...@gmail.com]
 Subject: Problems Increassing -Xmx

 if [ -z $JAVA_OPTS ]; then
   JAVA_OPTS=-Djava.awt.headless=true -Xmx2000m  RELEVANT
 fi

 And what happens if you don't put quotation marks around the values?


 Quotes are OK. It is shell scripting, not Windows one.

Correct !


 What is not OK:
 1. The statement inside of if executes only if $JAVA_OPTS is empty.
 Is it empty?
 2. Learn the difference between JAVA_OPTS and CATALINA_OPTS variables.
  You should not put such a value into JAVA_OPTS. You should not put it
 info both variables at the same time.

 And i tried to modify /usr/share/tomcat6/bin/catalina.sh like this:

 Don't do that; create a setenv.sh script to hold any environment variables
 you need to set.

This solves the problem, i defined export JAVA_OPTS=$JAVA_OPTS
-Xmx2000m in setenv.sh and i restarted the server. This has fixed the
problem ;)

Thanks a lot,

Joel Badia Escolà

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Re: Problems Increassing -Xmx

2012-10-02 Thread Christopher Schultz
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Ben,

On 10/1/12 10:27 PM, Ben Stringer wrote:
 Is it a 64-bit Debian install? If only 32-bit, you will be bumping
 up against the addressing limitations.

Not likely: when you hit JVM heap size restrictions, the JVM won't even
start. OOME is the wrong symptom, here.

- -chris
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RE: Problems Increassing -Xmx

2012-10-01 Thread Caldarale, Charles R
 From: joel badia escolà [mailto:basto...@gmail.com] 
 Subject: Problems Increassing -Xmx

 if [ -z $JAVA_OPTS ]; then
   JAVA_OPTS=-Djava.awt.headless=true -Xmx2000m  RELEVANT
 fi

And what happens if you don't put quotation marks around the values?

 And i tried to modify /usr/share/tomcat6/bin/catalina.sh like this:

Don't do that; create a setenv.sh script to hold any environment variables you 
need to set.

 it seems that tomcat ignores me

These are not Tomcat parameters, they are JVM system properties.

 - Chuck


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Re: Problems Increassing -Xmx

2012-10-01 Thread Ben Stringer
Hi Joel,

Is it a 64-bit Debian install? If only 32-bit, you will be bumping up against 
the addressing limitations.

Cheers, Ben

On 02/10/2012, at 9:07 AM, joel badia escolà basto...@gmail.com wrote:

 Hi all,
 
 I'm trying to set up my max heap size in 2Gb but my tomcat
 installation ignores me :( . I'm working with GNU/Linux Debian
 Squeeze (Current Stable), and my tomcat version it's 6. I tried to
 modify my /etc/init.d/tomcat6 file adding this (I add some context for
 non Debian users):
 
 # Default Java options
 # Set java.awt.headless=true if JAVA_OPTS is not set so the
 # Xalan XSL transformer can work without X11 display on JDK 1.4+
 # It also looks like the default heap size of 64M is not enough for most cases
 # so the maximum heap size is set to 128M
 if [ -z $JAVA_OPTS ]; then
JAVA_OPTS=-Djava.awt.headless=true -Xmx2000m  RELEVANT
 fi
 
 And i tried to modify /usr/share/tomcat6/bin/catalina.sh like this:
 
 if [ -z $JPDA_OPTS ]; then

 JPDA_OPTS=-agentlib:jdwp=transport=$JPDA_TRANSPORT,address=$JPDA_ADDRESS,server=y,suspend=$JPDA_SUSPEND
 fi
 CATALINA_OPTS=$CATALINA_OPTS $JPDA_OPTS -Xmx2000m
 
 In two cases i can't obtain favorable results, and it seems that
 tomcat ignores me (YES I RESTART THE SERVER) and i get
 java.lang.OutOfMemoryError: Java heap space error.
 
 Can you help me,
 
 Thanks,
 
 Joel Badia Escolà
 
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