Archive January 2014

svn co doesn’t permit checkout files but directories.
use rather :

svn export https://svn.repo/path/to/file/witr.png /tmp/witr.png

another alternative for text files

svn cat https://svn.repo/path/to/file/witr.txt > /tmp/witr.txt

under ubuntu the default disk analyser (baobab) don’t offer ignore directories option.
In the case of we would like analyse the root folder / and ignore mounts in /media for example the easy way is to :
– create new temporary folder,
– mount the root filesystem on it,
– analyse the temporary folder
– unmount and delete it

So, first proceed like following

> sudo mkdir tmpAnalysis
> sudo mount /dev/sda1 tmpAnalysis
> baobab tmpAnalysis

Analysis is ready to explore.
Then

> sudo umount tmpAnalysis
> sudo rm -rf tmpAnalysis

Icefaces ajax render performances issues could be sequence of dom elements without id. The present post helps to list all elements not having id to be fixed.

Open your page in your browser.
In developer console create following function

function chkid(ch){
  if(ch.id==""){
    console.log(ch.tagName+' : '+ch.id + ' childof ==> ' + ch.up().id)
  }
  ch.childElements().each(
    function(fils){
      chkid(fils)
    }
  );
}

then call chkid with any dom element. To get all, call chkid with body element

$$('body')[0].childElements().each(function(ch){chkid(ch)});

Nota : Here we use prototypejs framework

We aim to have web page which displays continually three jboss7 servers states.
For this we need the shell script (status.sh) to be found here.

environment requirement

servers in same machine :
• apache server
• three jboss7 servers: jboss1, jboss2, jboss3

get result of status.sh in our php file

Following php code displays one jboss server state

echo exec('/path/to/script/status.sh /path/to/jboss/home')

For our example we need three php files containing the previous one line php code corresponding to each one of the three jboss server : state-jboss1.php, state-jboss2.php, and state-jboss3.php

ajax state display

We need here the load() method of jquery javascript framework.

  


  
      $('#jboss').load('state-jboss.php');
  

continuous update of servers state

We’ll resort to javascript timer

setInterval(function(){$('#jboss').load('state-jboss.php')},3000);

deloyment

root folder :
• create folder jboss-state in apache server root www

files :
• www/jboss-state/status.sh
• www/jboss-state/index.html
• www/jboss-state/state-jboss1.php
• www/jboss-state/state-jboss2.php
• www/jboss-state/state-jboss3.php

full code

status.sh (myArtifactName string in code must be replaced by the right artifact name)

#!/bin/bash

res=$($1/bin/jboss-cli.sh --commands="connect,read-attribute server-state" 2>&1)

if [[ $res != 'running' ]]
then
        echo "STOPPED ($res)"
else
        artifactDeployed=$($1/bin/jboss-cli.sh --commands="connect,deploy -l" | grep myArtifactName | grep OK  2>&1)
        if [[ X$artifactDeployed == 'X' ]]
        then
                echo "STARTING ($res / $artifactDeployed)"
        else
                echo "RUNNING ($res / $artifactDeployed)"
        fi
fi

state-jboss1.php

state-jboss2.php

state-jboss3.php

index.html

  
    Jboss1 state : 

    Jboss2 state : 

    Jboss3 state : 


    
        setInterval(function(){$('#jboss1').load('state-jboss1.php')},3000);
        setInterval(function(){$('#jboss2').load('state-jboss2.php')},3000);
        setInterval(function(){$('#jboss3').load('state-jboss3.php')},3000);
    
  

Shell script (status.sh) bellow returns three jboss server state :

• STOPPED : jboss is stopped (script could not connect with jboss-cli)
• STARTING : jboss is starting (its state is running but project is not deployed)
• RUNNING : jboss is ready (its state is running and project is deployed successfully)

Use :

> ./status.sh /path/to/jbossHome

This script may be improved …
Also you need to replace in code myArtifactName fake value by your right value

#!/bin/bash

res=$($1/bin/jboss-cli.sh --commands="connect,read-attribute server-state" 2>&1)

if [[ $res != 'running' ]]
then
        echo "STOPPED ($res)"
else
        artifactDeployed=$($1/bin/jboss-cli.sh --commands="connect,deploy -l" | grep myArtifactName | grep OK  2>&1)
        if [[ X$artifactDeployed == 'X' ]]
        then
                echo "STARTING ($res / $artifactDeployed)"
        else
                echo "RUNNING ($res / $artifactDeployed)"
        fi
fi

To specify the package of generated java beans in hbm2java ant task, add jdbcconfiguration tag property “packagename” like following :

if no bean was generated with hbm2java, be sure that names of tables in reveng.xml matches names of database tables. table names are case sensitive at least with oracle database

If the build.xml used to generate hibernate beans from DB produces POJO beans without annotations, then add hbm2java tag property “ejb3” :

   ...
   
   ...

means that hibernate-tools version and hibernate-core version are not compatible

– workspace structure:
    + hbm/
        + build.xml
        + hibernate.cfg.xml
        + reveng.xml
        + lib/

– build.xml

 
<!--  -->
 
 
 
 
 
 
 
 
 
 
 <!--  -->
 
 
 
 
 

 
 
 






 
  
 

 
 

– hibernate.cfg.xml

  
        true
        oracle.jdbc.driver.OracleDriver
        jdbc:oracle:thin:@127.0.0.1:1522:WITRDB
        witr
        witr
        org.hibernate.dialect.Oracle10gDialect
        false
 

– reveng.xml

        
                
                
                
                
                
                
                
        

        
        
        
        ...etc

then type

> cd hbm
> ant

your hibernate beans are ready in hbm/generated directory