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

Hi,

> bridge seems to be hanging... the first few calls will
> work, then communication with the bridge becomes
> interrupted and hangs the web server and
> subsequent requests

Since everybody uses the same channel w/o problems (servlet: uses inet:
internally, see or faq), we need to find out what's so special with your
setup and what "interrupted" and "hanging" really means.

Possible causes:

1. You have migrated from 3.x to 5.x, which means that an old front end may
try to communicate with the new back end. Please use the "Java.inc" shipped
with the back end. You can raise the php.java.bridge.default_log_level to 4
or above to observe the communication (details in faq or from java -jar
JavaBridge.jar --help)

2. Your php version cannot execute the php code from Java.inc correctly.
(Unlikely if you use php php 5.2, 5.3 or php 6.x).

In any case, you can debug php with strace or gdb: for i in `pidof httpd`;
do strace -s 1024 -ff -p $i >$i.log 2>&1 ;done traces all "httpd" instances
running php and writes the system calls to $i.log.

Or, slightly easier, as it uses only one executable:

  strace -s 1024 -ff `which httpd` -X

My guess is that you use a 3.x front end, which expects an old response from
the back end. The XML protocol has been revised from ver. 3.x to 5.x to not
use unnecessary round-trips anymore.

Regards,
Jost Boekemeier

20. Jun 2009 1:21 vorm. schrieb am <
php...@li...>:

>> So then the "standalone" use is no longer >recommended or supported? > >
It is still supported, o...
Where, in the FAQ?

> Example for the standalone container:
>
>     java -Dphp.java.bridge.default_log_level=5 -jar JavaBridge.jar
> SERVLET:8080

This looks different from the previous docs, which were like:

>  $JAVA -server -Xmx1200m -jar $JAVA_BRIDGE_PATH INET_LOCAL:9676 3


What is the final "3" for? And INET_LOCAL vs SERVLET? Are those java
parameters, or arguments interpreted by the JavaBridge.jar executable?

In any case is this form acceptable?

>  $JAVA -server -Xmx1200m -jar $JAVA_BRIDGE_PATH INET_LOCAL:9676 3

If so, this is the form we're having trouble with. The bridge seems to
be hanging... the first few calls will work, then communication with
the bridge becomes interrupted and hangs the web server and subsequent
requests.

Any idea where to look first for errors? Nothing in the output from
the Jar...

Thanks,

Alan
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