php-java-bridge-users Mailing List for PHP/Java Bridge

I will be out of the office starting  12/18/2009 and will not return until
12/30/2009.

I will respond to your message when I return.

Hi Peter,

> [someone has] started a Java process from PHP.  [the bridge] start[s] a
background Java daemon from a PHP script.

Thank you very much for this problem report.

I will remove the java autostart feature in version PHP/Java Bridge 5.5.5.
Apache or IIS SAPI users should use a servlet or JEE back end and nothing
else.


See this blog

http://wiki.neo4j.org/content/PHP#Installation_Headaches

for example.  Instead of fixing his tomcat back end, he is starting a Java
daemon from a Apache thread(!) as a workaround.


Regards,
Jost Boekemeier

Hello!

I think that the first call it does not send any request to the PHP/Java Bridge Server, nor try to start it
I cannot reproduce this problem

I guess Dimitar has started a Java process from PHP. This long running Java process has been killed by Apache or IIS. The PHP script still refers to this zombie process because the PHP maintainers have difficulties with the Winsock implementation, which cannot detect broken connections properly, see PHP bug #49447


> This policy doesn't make sense to me.

I guess he doesn't have shell access, so he wants to start a background Java daemon from a PHP script. It might be possible through "nohup" or "javaw.exe", but his system admin might not be amused, seeing all those Java processes running on his PHP web server.


Peter



      

Hi,

I cannot reproduce this problem. Which operating system are you using? Can
you please run JavaBridge.jar as follows:

  java -jar JavaBridge.jar SERVLET_LOCAL:8080 4 pjb.log

and reproduce this bug and post the pjb.log file?




However, please use a JEE or servlet engine back end.

Since version 5.5.4 the PHP/Java Bridge supports http/1.1 chunked
connections. The standalone JavaBridge.jar option SERVLET emulates a servlet
engine, so we've added two new classes to it:
http://php-java-bridge.cvs.sourceforge.net/viewvc/php-java-bridge/php-java-bridge/server/php/java/bridge/http/ChunkedInputStream.java?revision=1.1&view=markupand
http://php-java-bridge.cvs.sourceforge.net/viewvc/php-java-bridge/php-java-bridge/server/php/java/bridge/http/ChunkedOutputStream.java?revision=1.1&view=markup
It may well be that they contain a bug.


> I tried running it in Tomcat and it works, but i too am not allowed
> to use it

This policy doesn't make sense to me. If you start JavaBridge.jar with the
SERVLET option, you *are* using a servlet engine. It contains bugs which
have been fixed in Tomcat long ago.


Regards,
Jost Boekemeier

I have similar problem, did you  managed to fix it?


In my case i'm using FOP to printout a PDF.
But i get this error:
[13-Dec-2009 13:33:54] php: protocol error: , Invalid document end at col 1.
Check the back end log for OutOfMemoryErrors.
[13-Dec-2009 13:33:54] PHP Fatal error:  Call to a member function read() on
a non-object in ....\Java.inc on line 207
And this happens only the first call after I haven't used it for some time.


I'm sure i'm using the latest version - 5.5.4.1 and that the Java.inc is the
some version (it's from the jar)(definitely wont be allow to include through
URL).
Am running the PHP/Java Bridge Server, not the war file in a Application
Server. I tried running it in Tomcat and it works, but i too am not allowed
to use it.

I find it hard to debug the Java.inc, I think that the first call it does
not send any request to the PHP/Java Bridge Server, nor try to start it and
the second one right after this it works fine.


Best Regards,
Dimitar Stefanov

PS: It's my first time posting on mailing list so i may have messed up
something :)
----------------------------------------------------------------------------------

> What do you mean by "fetch directly from the backend"?

Use the require command I have given. Please fetch Java.inc directly
from the back end, use

<?php require_once("http://localhost:8080/JavaBridge/java/Java.inc"<http://localhost:8080/JavaBridge/java/Java.inc>
);
...
?>

Or make sure that the version of your Java.inc matches the version of
your back end.


> What's the backend here?

The PHP/Java Bridge application.


> can configure the path to the
> PHPjavaBridge installation in a variable

Which seems to be the problem here. You have probably confused the
versions. Or the Java daemon you have written crashes immediately.


> I'm not allowed to use a tomcat although I'd like to have it.

Interesting. I thought you were running the back end as a daemon.


Regards,
Jost Boekemeier

Hi Venkat,

please see our FAQ entry "How do I enable the Java extension in my php.ini
file?" at http://php-java-bridge.sourceforge.net/pjb/FAQ.html

Detailed install instructions can be found at
http://php-java-bridge.sourceforge.net/pjb/installation.php and
http://php-java-bridge.sourceforge.net/pjb/user-contributed/JavaEchoServer.gif
.


Regards,
Jost Boekemeier

Hi All,

 

Description:

 

I am using the following softwares installed in my application.

1. php-5.3.1-Win32-VC6-x86.ZIP

2. apache_2.2.14-win32-x86-no_ssl.msi

 

I have downloaded the file "JavaBridgeTemplate5541.war" from "http://sourceforge.net/projects/php-java-bridge/files/Binary%20package/" site and place the JavaBridge.jar from "JavaBridgeTemplate5541.war" into "c:/php/ext". The file "php_java.dll" not found in the "JavaBridgeTemplate5541.war" to place in the "c:/php/ext".

 

When I tried to restart and run the Apache http Server I unable to see the "Java" option in the "php configuration options" with the following syntax: <?php phpinfo(); ?> when run on the browser with the URL "http://localhost/".

 

 

Reproduced Code:

 

 

Configured the file "php.ini" with the foloowing lines:

 

[java]

java.java_home = "C:/Program Files/Java/jdk1.5.0_13"

java.java = "C:/Program Files/Java/jdk1.5.0_13/bin/javaw.exe"

java.class.path = "C:/php/ext/JavaBridge.jar"

java.library.path = "C:/php/ext"

java.log_level=2

 

Expected Result:

 

I should see the "Java" option when I run the 

"index.php" file.

 

"index.php":

 

<?php 

phpinfo();

?>

 

Result should be displayed with the phpinfo() in the  browser:

[Java]

 

Java Enabled: true;

Java Bridge: 5.5.4

Java status : running

 

Actual Result:

This is the following error I can see in the "error log" file of the apache http server.

 

PHP Warning:  PHP Startup: Unable to load dynamic library 'c:/php/ext\\php_java.dll' - The specified module could not be found.\r\n in Unknown on line 0

 

 

I would be thanks if I got solution for this problem.

 

Thanks,

Venkat 

Which exception do you get?

On Thu, Dec 10, 2009 at 10:14 AM, <
php...@li...> wrote:

>
> Hi,
>
> I got a error when I call 'getOCSPURL' with the certificate.
>
> $url = java("com.lowagie.text.pdf.PdfPKCS7")->getOCSPURL($chain[0]);
>
> I know $chain[0] contain a valid X509CertificateObject, but I always got
> that exception:
> #0 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(248):
> java_ThrowExceptionProxyFactory->getProxy(102, 'org.bouncycastl...', '',
> true)
> #1 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(388):
> java_Arg->getResult(true)
> #2 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(394):
> java_Client->getWrappedResult(true)
> #3 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(594):
> java_Client->getResult()
> #4 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(1731):
> java_Client->invokeMethod(100, 'getOCSPURL', Array)
> #5 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(1839):
> java_JavaProxy->__call('getOCSPURL', Array)
> #6 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(2007):
> java_AbstractJava->__call('getOCSPURL', Array)
> #7 [internal function]: Java->__call('getOCSPURL', Array)
> #8 C:\Developpement\My Webs\ss_billing\classes\billing.class2.pdf.php(349):
> JavaClass->getOCSPURL(Object(java_InternalJava))
> #9 C:\Developpement\My Webs\ss_billing\receive.php(183):
> billing_pdf::generation(Object(SimpleXMLElement))
> #10 {main}
>
> I'm using iText-2.1.7.jar and some other functionality of this library are
> working fine... any idea ?
>
> > Date: Mon, 7 Dec 2009 11:47:44 +0100
> > To: php...@li...
> > From: php...@li...
> > Subject: Re: [Php-java-bridge-users] messageDigest and byte
> manipulation(2)
> >
> > Hi,
> >
> > [java-code]
> >
> >        Certificate[] chain = ks.getCertificateChain(alias);
> >        if (chain.length >= 2) {
> >            String url = PdfPKCS7.getOCSPURL((
> > >
> > > X509Certificate)chain[0]);
> > >            if (url != null && url.length() > 0)
> > >                ocsp = new
> OcspClientBouncyCastle((X509Certificate)chain[0],
> > > (X509Certificate)chain[1], url).getEncoded();
> > >        }
> >
> >
> >
> > =>
> >
> > $chain = $ks->getCertificateChain($alias);
> > if (java_values(chain.length)) >= 2) {
> >   $url = java("...PdfPKCS7")->getOCSPURL($chain[0]);
> >   if (java_values($url) != null && java_values($url->length()) > 0) {
> >     $val = new java("...OcspClientBouncyCastle", $chain[0], $chain[1],
> > $url);
> >     $ocsp = $val->getEncoded();
> >  }
> >
> >
> > Where exactly are the problems?
> >
> > You can always use
> >
> >   echo java_inspect($jobject)
> >
> > to see if a Java method or procedure invocation has returned the correct
> > result.
> >
> > However, it isn't possible to blindly convert a Java program to PHP. PHP
> has
> > different type conversion rules for example.
> >
> > If you have a working java library, just add it to your web context and
> call
> > it from PHP.
> >
> >
> > Regards,
> > Jost Boekemeier
> >
> ------------------------------------------------------------------------------
> > Join us December 9, 2009 for the Red Hat Virtual Experience,
> > a free event focused on virtualization and cloud computing.
> > Attend in-depth sessions from your desk. Your couch. Anywhere.
> > http://p.sf.net/sfu/redhat-sfdev2dev
> > _______________________________________________
> > php-java-bridge-users mailing list
> > php...@li...
> > https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>
> _________________________________________________________________
> Faites vos achats de Noël en ligne en toute sécurité : avec MSN Internet
> Explorer 8 surfez sûr, télécharger maintenant gratuitement !
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>
> ------------------------------------------------------------------------------
> Return on Information:
> Google Enterprise Search pays you back
> Get the facts.
> http://p.sf.net/sfu/google-dev2dev
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>

Hi,

I got a error when I call 'getOCSPURL' with the certificate.

$url = java("com.lowagie.text.pdf.PdfPKCS7")->getOCSPURL($chain[0]);

I know $chain[0] contain a valid X509CertificateObject, but I always got that exception: 
#0 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(248): java_ThrowExceptionProxyFactory->getProxy(102, 'org.bouncycastl...', '', true)
#1 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(388): java_Arg->getResult(true)
#2 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(394): java_Client->getWrappedResult(true)
#3 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(594): java_Client->getResult()
#4 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(1731): java_Client->invokeMethod(100, 'getOCSPURL', Array)
#5 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(1839): java_JavaProxy->__call('getOCSPURL', Array)
#6 C:\Developpement\My Webs\ss_billing\JavaBridge\java\Java.inc(2007): java_AbstractJava->__call('getOCSPURL', Array)
#7 [internal function]: Java->__call('getOCSPURL', Array)
#8 C:\Developpement\My Webs\ss_billing\classes\billing.class2.pdf.php(349): JavaClass->getOCSPURL(Object(java_InternalJava))
#9 C:\Developpement\My Webs\ss_billing\receive.php(183): billing_pdf::generation(Object(SimpleXMLElement))
#10 {main}

I'm using iText-2.1.7.jar and some other functionality of this library are working fine... any idea ?

> Date: Mon, 7 Dec 2009 11:47:44 +0100
> To: php...@li...
> From: php...@li...
> Subject: Re: [Php-java-bridge-users] messageDigest and byte manipulation(2)
> 
> Hi,
> 
> [java-code]
> 
>        Certificate[] chain = ks.getCertificateChain(alias);
>        if (chain.length >= 2) {
>            String url = PdfPKCS7.getOCSPURL((
> >
> > X509Certificate)chain[0]);
> >            if (url != null && url.length() > 0)
> >                ocsp = new OcspClientBouncyCastle((X509Certificate)chain[0],
> > (X509Certificate)chain[1], url).getEncoded();
> >        }
> 
> 
> 
> =>
> 
> $chain = $ks->getCertificateChain($alias);
> if (java_values(chain.length)) >= 2) {
>   $url = java("...PdfPKCS7")->getOCSPURL($chain[0]);
>   if (java_values($url) != null && java_values($url->length()) > 0) {
>     $val = new java("...OcspClientBouncyCastle", $chain[0], $chain[1],
> $url);
>     $ocsp = $val->getEncoded();
>  }
> 
> 
> Where exactly are the problems?
> 
> You can always use
> 
>   echo java_inspect($jobject)
> 
> to see if a Java method or procedure invocation has returned the correct
> result.
> 
> However, it isn't possible to blindly convert a Java program to PHP. PHP has
> different type conversion rules for example.
> 
> If you have a working java library, just add it to your web context and call
> it from PHP.
> 
> 
> Regards,
> Jost Boekemeier
> ------------------------------------------------------------------------------
> Join us December 9, 2009 for the Red Hat Virtual Experience,
> a free event focused on virtualization and cloud computing. 
> Attend in-depth sessions from your desk. Your couch. Anywhere.
> http://p.sf.net/sfu/redhat-sfdev2dev
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
 		 	   		  
_________________________________________________________________
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As a workaround you can set

define ("JAVA_DISABLE_AUTOLOAD", true);

at the beginning of your java/Java.inc file. But you won't be able to
autoload Java classes anymore -- the java("class.name...") syntax will work,
though.


Regards,
Jost Boekemeier

Hi,

> Since version 5.5.4.1 joomla [...]

this bug won't be fixed. The PHP/Java Bridge code will stay that way.

Please see http://bugs.php.net/bug.php?id=49618 for details.


If PHP crashes (on windows), please report this crash to the PHP
maintainers, not to us.
If PHP (correctly) reports that it cannot load a joomla class, please report
this bug to the joomla maintainers, not to us.


Regards,
Jost Boekemeier

Since version 5.5.4.1 joomla and other PHP libraries crash the PHP
executable. JavaBridgeTemplate5442 is okay.

I think this is a regression.

>From the NEWS file:

Version 5.5.4.1

* The "JBoss" application server abuses the log4j port 4445 for its
  internal purposes. The bridge now switches off log4j "chainsaw" if
  getServletContext().getServerInfo().startsWith("JBoss").

* The namespace separator "_" (e.g.: new org_foo_bar_baz(...) syntax),
  which has been used by some projects, is available again. However,
  new projects should use the official namespace separator, which
  defaults to "\".

* If the option -Dphp.java.bridge.default_log_file= is set, the bridge
  switches off log4j chainsaw completely.

* The default value of php_include_java has been set to Off.

* A configuration option has been added to the JavaBridgeTemplate.war
  which sets php_include_java to On.

* Bugfix: If php_include_java is set, global PHP variables are no
  longer discarded; the PHP scripts are required from the top-level
  environment.

=>
http://downloads.sourceforge.net/project/php-java-bridge/Binary%20package/php-java-bridge_5.5.4.1/JavaBridgeTemplate5541.war?use_mirror=switch


Regards,
Jost Bökemeier

Hi,

[java-code]

       Certificate[] chain = ks.getCertificateChain(alias);
       if (chain.length >= 2) {
           String url = PdfPKCS7.getOCSPURL((
>
> X509Certificate)chain[0]);
>            if (url != null && url.length() > 0)
>                ocsp = new OcspClientBouncyCastle((X509Certificate)chain[0],
> (X509Certificate)chain[1], url).getEncoded();
>        }



=>

$chain = $ks->getCertificateChain($alias);
if (java_values(chain.length)) >= 2) {
  $url = java("...PdfPKCS7")->getOCSPURL($chain[0]);
  if (java_values($url) != null && java_values($url->length()) > 0) {
    $val = new java("...OcspClientBouncyCastle", $chain[0], $chain[1],
$url);
    $ocsp = $val->getEncoded();
 }


Where exactly are the problems?

You can always use

  echo java_inspect($jobject)

to see if a Java method or procedure invocation has returned the correct
result.

However, it isn't possible to blindly convert a Java program to PHP. PHP has
different type conversion rules for example.

If you have a working java library, just add it to your web context and call
it from PHP.


Regards,
Jost Boekemeier

Thanks Jost,

This solution seem to work.
But I still got a lot of problems for the rest of the script like

[java-code]

        Certificate[] chain = ks.getCertificateChain(alias);
        if (chain.length >= 2) {
            String url = PdfPKCS7.getOCSPURL((X509Certificate)chain[0]);
            if (url != null && url.length() > 0)
                ocsp = new OcspClientBouncyCastle((X509Certificate)chain[0], (X509Certificate)chain[1], url).getEncoded();
        }

How to create an Array of object when you don't know the size...
I can't use :

            $Certificate = new JavaClass("java.security.cert.Certificate");
            $Array = new JavaClass("java.lang.reflect.Array");
            $chain = $Array->newInstance($Certificate, 10);    


Otherwise, do you know someone who can help me to traduce this script (http://itextpdf.sourceforge.net/howtosign.html ->  How to sign with a timestamp and OCSP in Java)

Best regards 


> Date: Thu, 3 Dec 2009 19:31:36 +0100
> To: php...@li...
> From: php...@li...
> Subject: Re: [Php-java-bridge-users] messageDigest and byte manipulation(2)
> 
> Hi,
> 
> >     while (($n = $data->read($byteArray)) > 0) {
> > I always got a :   Maximum execution time of 60 seconds exceeded in ...
> 
> 
> Yes, this is the correct behaviour. The above statement evaluates to an
> endless loop.
> 
> $data->read(...) returns a java Integer object. Any object evaluates to
> true, according to the PHP type conversion rules.
> 
> 
> What you probably want is:
> 
> while (($n = java_values($data->read($byteArray))) > 0) {
> ...
> 
> Please see our API documentation at
> http://php-java-bridge.sourceforge.net/pjb/docs/php-api/JavaBridge/_JavaProxy.inc.html#functionjava_valuesand
> JAVA_PREFER_VALUES
> http://php-java-bridge.sourceforge.net/pjb/docs/php-api/JavaBridge/_Options.inc.htmlfor
> details.
> 
> 
> Regards,
> Jost Boekemeier
> ------------------------------------------------------------------------------
> Join us December 9, 2009 for the Red Hat Virtual Experience,
> a free event focused on virtualization and cloud computing. 
> Attend in-depth sessions from your desk. Your couch. Anywhere.
> http://p.sf.net/sfu/redhat-sfdev2dev
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
 		 	   		  
_________________________________________________________________
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Hi,

>     while (($n = $data->read($byteArray)) > 0) {
> I always got a :   Maximum execution time of 60 seconds exceeded in ...


Yes, this is the correct behaviour. The above statement evaluates to an
endless loop.

$data->read(...) returns a java Integer object. Any object evaluates to
true, according to the PHP type conversion rules.


What you probably want is:

while (($n = java_values($data->read($byteArray))) > 0) {
...

Please see our API documentation at
http://php-java-bridge.sourceforge.net/pjb/docs/php-api/JavaBridge/_JavaProxy.inc.html#functionjava_valuesand
JAVA_PREFER_VALUES
http://php-java-bridge.sourceforge.net/pjb/docs/php-api/JavaBridge/_Options.inc.htmlfor
details.


Regards,
Jost Boekemeier

Well, if you hit the 60seconds, you have no other chance than
1) raise the limit in php.ini
2) optimize your code

what do you want to do with your code? It looks like you are
trying to generate a md5 hash or something like that... php has
build in support for various hashes... also your loop always transfers
data back-and-forth between java and php which makes it slow..
so instead of trying to figure out, whats wrong with the code, it
maybe would be better if you would tell us, what you like to achieve
so we can guide you to a possible better solution.

kind regards,
dominik

On Thu, Dec 3, 2009 at 2:28 PM,
<php...@li...> wrote:
>
> Hi,
>
>
> Thanks for you fast answer.
>
> I try again to implement the Java Array class like that (from the FAQ):
>
>        $Byte = new JavaClass("java.lang.Byte");
>        $byte = $Byte->TYPE;
>        $Array = new JavaClass("java.lang.reflect.Array");
>        $byteArray = $Array->newInstance($byte, 8192);
>
>        $n;
>        while (($n = $data->read($byteArray)) > 0) {
>               $messageDigest->update($byteArray, 0, $n);
>            echo "n= " . $n ;
>        }
>
> -> I always got a :   Maximum execution time of 60 seconds exceeded in ...
>
>
> When I try with a Php int Array like that:
>
>        $buf = array();
>        for ($i=0; $i<8192; $i++){
>            $buf[$i] = '0';
>        }
>        $n;
>        while (($n = $data->read($buf)) > 0) {
>            $messageDigest->update($buf, 0, $n);
>            echo "n= " . $n ;
>        }
>
> -> I receive that: n= 184n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 6259 Exception...
>
> Here you can find the original Java code:
>
>        byte buf[] = new byte[8192];
>        int n;
>        while ((n = data.read(buf)) > 0) {
>            messageDigest.update(buf, 0, n);
>            System.out.print("n=" + n);
>        }
>
>
> Do you see where the problem can come from?
>
> Best regards Antoine
>
>
> _________________________________________________________________
> Faites vos achats de Noël en ligne en toute sécurité : avec MSN Internet Explorer 8 surfez sûr, télécharger maintenant gratuitement !
> http://www.microsoft.ch/msnie8/fr
> ------------------------------------------------------------------------------
> Join us December 9, 2009 for the Red Hat Virtual Experience,
> a free event focused on virtualization and cloud computing.
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Hi,


Thanks for you fast answer. 

I try again to implement the Java Array class like that (from the FAQ):

        $Byte = new JavaClass("java.lang.Byte");
        $byte = $Byte->TYPE;
        $Array = new JavaClass("java.lang.reflect.Array");
        $byteArray = $Array->newInstance($byte, 8192);
    
        $n;
        while (($n = $data->read($byteArray)) > 0) {
               $messageDigest->update($byteArray, 0, $n);
            echo "n= " . $n ; 
        }

-> I always got a :   Maximum execution time of 60 seconds exceeded in ...


When I try with a Php int Array like that:

        $buf = array();
        for ($i=0; $i<8192; $i++){
            $buf[$i] = '0';
        }
        $n;
        while (($n = $data->read($buf)) > 0) {
            $messageDigest->update($buf, 0, $n);
            echo "n= " . $n ; 
        }

-> I receive that: n= 184n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 8192n= 6259 Exception...

Here you can find the original Java code:

        byte buf[] = new byte[8192];
        int n;
        while ((n = data.read(buf)) > 0) {
            messageDigest.update(buf, 0, n);
            System.out.print("n=" + n);
        }


Do you see where the problem can come from?

Best regards Antoine

 		 	   		  
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Hi,

take a look at the java Array class. It contains the procedures you need.

Primitives like int, byte, ... are wrapped by Java classes (Integer, Byte,
...). For arrays there's a separate class which handles it:
http://java.sun.com/j2se/1.4.2/docs/api/java/lang/reflect/Array.html

java("java.lang.Byte")->TYPE is the type of a byte, so that

java("java.lang.reflect.Array")->newInstance(java("java.lang.Byte")->TYPE,
size);

creates a byte[] array of type byte with a given size.

Please see our FAQ section "How do I create a primitive array?" for a
detailed example.


Regards,
Jost Boekemeier

Hi all,


I'm new in the java-bridge technologies and have to create a PHP script to generate and signed an PDF.
My problem come from 'byte' data type. I try to find a solution in archives and FAQ but nothing works...


My java source code ( from http://itextpdf.sourceforge.net/howtosign.html -> How to sign with a timestamp and OCSP in Java) has to be 'traduce' to PHP.
For the rest of the page, I think I'm fine, but when i declare the buf[] and use the messageDigest.update on it, I got unexpected result... (that's why I have a System.out.print("n=" + n) for the debug )

java result: n=191n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=4525
php  result: n=184n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=8192n=6260 Exception... (when i use a array of 'int' instead of 'byte')

[java code]

        byte buf[] = new byte[8192];
        int n;
        while ((n = data.read(buf)) > 0) {
            messageDigest.update(buf, 0, n);
            System.out.print("n=" + n);
        }
        byte hash[] = messageDigest.digest();
        Calendar cal = Calendar.getInstance();
        byte[] ocsp = null;
        if (chain.length >= 2) {
            String url = PdfPKCS7.getOCSPURL((X509Certificate)chain[0]);
            if (url != null && url.length() > 0)
                ocsp = new OcspClientBouncyCastle((X509Certificate)chain[0], (X509Certificate)chain[1], url).getEncoded();
        }
        byte sh[] = sgn.getAuthenticatedAttributeBytes(hash, cal, ocsp);
        sgn.update(sh, 0, sh.length);

        byte[] encodedSig = sgn.getEncodedPKCS7(hash, cal, tsc, ocsp);

        if (contentEstimated + 2 < encodedSig.length)
            throw new Exception("Not enough space");
        byte[] paddedSig = new byte[contentEstimated];
        System.arraycopy(encodedSig, 0, paddedSig, 0, encodedSig.length);

        PdfDictionary dic2 = new PdfDictionary();
        dic2.put(PdfName.CONTENTS, new PdfString(paddedSig).setHexWriting(true));
        sap.close(dic2);


If someone can help to 'traduce in php' this code or just explain my exactly how to produce a array[8192] of byte.

Best regards Antoine 
 		 	   		  
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