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03.25.2008 at 05:51PM PDT, ID: 23269157
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How can I successfully install RED5 server in a CentOS 5 VPS

Tags: Aral Balkan, RED5, 0.6.3, Godaddy VPS/CentOS 5/ JDK 1.5.0/Apache Ant 1.7.0
I tried to install RED5 0.6.3 on a CentOS 5.0 VPS (Virtual Dedicated Server) with 256M memory by following the instruction.
http://osflash.org/red5/fc4

The following steps are always OK. But when I tried the last step. The following error message occured. I searched Google for a solution and found that it's may because of the VPS configuration. And can anyone help me about this?
[root@ip-address red5-0.6.3]# ant server &
[1] 20369
[root@ip-address red5-0.6.3]# Buildfile: build.xml
     [echo] java.home is /usr/java/jdk1.5.0_13/jre and the target version is 1.5

-library.check:

-java6.check:
     [echo] Using java6? ${java6.installed}

-junit.check:

prepare:

compile:
     [echo] Javac version: 1.5
     [echo] Eclipse? ${eclipse.running}
     [echo] Compiler adapter name: modern
     [echo] java.home is /usr/java/jdk1.5.0_13/jre and the target version is 1.5

compile_core:
     [echo] java.home is /usr/java/jdk1.5.0_13/jre and the target version is 1.5

compile_core_compatibility:
     [echo] java.home is /usr/java/jdk1.5.0_13/jre and the target version is 1.5

retrieve:
    [javac] Compiling 448 source files to /opt/red5-0.6.3/bin
    [javac] Error occurred during initialization of VM
    [javac] Could not reserve enough space for object heap
    [javac] Could not create the Java virtual machine.

BUILD FAILED
/opt/red5-0.6.3/build.xml:147: The following error occurred while executing this line:
/opt/red5-0.6.3/build.xml:177: Compile failed; see the compiler error output for details.

Total time: 3 seconds
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Question Stats
Zone: Programming
Question Asked By: freefans
Solution Provided By: freefans
Participating Experts: 2
Solution Grade: A
Views: 138
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03.25.2008 at 06:32PM PDT, ID: 21208068

Rank: Master

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03.25.2008 at 06:43PM PDT, ID: 21208119

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03.25.2008 at 06:50PM PDT, ID: 21208163

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03.25.2008 at 07:09PM PDT, ID: 21208340

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03.26.2008 at 05:26PM PDT, ID: 21217705

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03.25.2008 at 06:32PM PDT, ID: 21208068

Rank: Master

Per the errors the JVM (java virtual machine) is trying to grab a chunk of memory, and there isn't enough memory available.  You probably need to upgrade your VPS account to allow more memory - or upgrade your provider.  Those kinds of VPSs (I doubt the 256mb is even dedicated) don't work/perform well for anything complicated (ie: java).
 
03.25.2008 at 06:43PM PDT, ID: 21208119

Rank: Master

I think technically red5 requires 1gb of memory.  Linux alone is using up most of your 256mb (256mb of total memory would only be good for serving a few very small web pages with low traffic).

Unless you're just testing you are going to want (ie: have) to get familiar with the JVM memory settings.  You can configure the minimum (initial) and maximum heap sizes.  Whatever these are set to is how much memory you need, and you'll have to tweak as you go.
 
03.25.2008 at 06:50PM PDT, ID: 21208163
This VPS has min. 256M memory and can exceed to about 1GB. And how to adjust the heap size?  I mean, can i adjust the heap size through command or that build.xml file?
 
03.25.2008 at 07:09PM PDT, ID: 21208340

Rank: Guru

When running java specify  -X* command line options.

The popular ones that deal with heap allocation are:

-Xms   initial heap size  (i.e.  -Xms64M  for 64 megabytes)
-Xmx    maximum heap size

-Xmn    max heap size for the young generation
  (This deals with garbage collection and should normally be 30-40%
   of the max heap size)
 
03.26.2008 at 05:26PM PDT, ID: 21217705
Hi, thank you for your reply. But this still does not work.

I tried to install RED5 in a local computer which was running Windows XP Pro, MySQL, Apache, Java and many other programs, and I succeed. I can't understand why I can't install this RED5 in a linux environment which has less service and process, although only 256M memory.

Can anyone give me a detailed instruction? I searched google, and found it was because JVM would run in a server mode when detecting the entire memory of the server, not only the single VPS account.
Accepted Solution
 
 
20080236-EE-VQP-29 / EE_QW_2_20070628