Re: [Php-java-bridge-users] Installation of JavaBridge causes problems - what am i missing

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Ok, i did some testing for you in a 1 GB virtual machine (virtual box -
ubuntu).

The php-java-bridge starts a local servlet container.
But it doesnt stop it. So you should first check that
all java processes have terminated.

ps -ef | grep java

if there still is a java process, kill it.

kill <pid>
(The pid is in the second column of ps -ef)
if this does not help:
kill -9 <pid>

After that try this:

java -Xms128m -Xmx128m -cp JavaBridge.war

If it still complains about php-cgi, then as root:

apt-get install php5-cgi

Before you retry check again if the all java processes have terminated.

I dont know if 256 M will be enough for your production environment.

Regards
David

On Thu, Jan 13, 2011 at 1:23 PM, <
php...@li...> wrote:

> Hi,
>
> thx for the help. It's a VPS with 1 GB real memory. I see the problem java
> does not let me change its max memory with
>
> java -Xmx512m (unknown identifier)
>
> instead I tried
>
> export JAVA_OPTS="-Xms256m -Xmx512m"
> export CATALINA_OPTS="-Xms256m -Xmx512m"
>
> running the testinstallation produced:
>
>
> Starting a simple servlet engine:
> [/usr/lib/jvm/java-6-openjdk/jre/bin/java,
> -jar, /opt/tomcat/webapps/ext/JavaBridge.jar, SERVLET_LOCAL:8080]
> Jan 13 13:15:45 JavaBridge INFO : VM                  :
> 1.6.0_0@http://java.sun.com/
> Jan 13 13:15:45 JavaBridge INFO : JavaBridge version             : 6.2.1
> Jan 13 13:15:45 JavaBridge INFO : logFile             :
> Jan 13 13:15:45 JavaBridge INFO : default logLevel    : 3
> Jan 13 13:15:45 JavaBridge INFO : socket              : SERVLET_LOCAL:8080
> Jan 13 13:15:45 JavaBridge INFO : java.ext.dirs       :
> /usr/lib/jvm/java-6-openjdk/jre/lib/ext:/usr/java/packages/lib/ext
> Jan 13 13:15:45 JavaBridge INFO : php.java.bridge.base: /root
> Jan 13 13:15:45 JavaBridge INFO : thread pool size    : 20
> Jan 13 13:15:45 JavaBridge INFO : JavaBridgeRunner started on port
> INET_LOCAL:8080
> Invoking php: [php-cgi, -n, -d, allow_url_include=On,
> /opt/tomcat/webapps/test.php]
> java.lang.RuntimeException: Could not run PHP ([php-cgi, -n, -d,
> allow_url_include=On, /opt/tomcat/webapps/test.php]), please check if
> php-cgi is in the path.
>        at TestInstallation.start(TestInstallation.java:332)
>         at TestInstallation.main(TestInstallation.java:252)
> Caused by: java.io.IOException: Cannot run program "php-cgi":
> java.io.IOException: error=12, Cannot allocate memory
>         at java.lang.ProcessBuilder.start(ProcessBuilder.java:474)
>        at java.lang.Runtime.exec(Runtime.java:610)
>         at java.lang.Runtime.exec(Runtime.java:526)
>        at TestInstallation.start(TestInstallation.java:330)
>        ... 1 more
> Caused by: java.io.IOException: java.io.IOException: error=12, Cannot
> allocate memory
>         at java.lang.UNIXProcess.<init>(UNIXProcess.java:164)
>        at java.lang.ProcessImpl.start(ProcessImpl.java:81)
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:467)
>         ... 4 more
>
> And then
>
> Free -m (821 m free, prior it was already up to 1024m full an leaking)
>
> The question is how much real ram should I install to be safe. Whats with
> the message "please check if php-cgi is in the path"
>
> Thx for your help - appreciated
>
> -----Original Message-----
> From: php...@li...
> [mailto:php...@li...]
> Sent: Donnerstag, 13. Januar 2011 09:14
> To: php...@li...
> Subject: Re: [Php-java-bridge-users] Installation of JavaBridge causes
> problems - what am i missing
>
> Hello,
>
> i had a similar problem in a different context. I guess your problem is not
> the php-java-bridge.
> On a virtual host you often have very limited memory available. How much
> memory did you order for your virtual server?
>
> You can use linux commands like
> free -m
> to find out how your current memory usage is.
>
> Look at your error message. Quite at the start it says:
>
> Caused by: java.io.IOException: Cannot run program
> "/usr/lib/jvm/java-6-openjdk/
> jre/bin/java": java.io.IOException: error=12,
> Cannot allocate memory
>
> So find out how much memory you have available and then adjust the start
> scripts of the php test program and of your tomcat.
> Look for the java options -Xms and -Xmx
> Documentation:
> http://download.oracle.com/javase/6/docs/technotes/tools/solaris/java.html
>
> Also dont run too many jvm instances at the same time. I believe the
> php-java-bridge test programm starts its own jvm, so dont start the test
> while tomcat is runing. I think your virtual machine might not have enough
> memory for both instances.
>
> Regards, David
>
>
> On Wed, Jan 12, 2011 at 1:55 PM, <
> php...@li...> wrote:
>
> > Please see http://php-java-bridge.sourceforge.net/pjb/installation.php
> >
> > With "original software" I mean Java from Oracle and Tomcat from Apache.
> > The
> > crap shipped with Debian OS doesn't work.
> >
> >
>
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