Hi, When i add jvm.dll in my php.ini file, my sample.php throws 500 internal server error. here i have give the details about my versions and php.ini. I am using php 5.2.0 , pecl 5.2.0 , jdk 1.5.0_04, apache 2.2.3 my php.ini ----------- extension=php_java.dll [Java] java.class.path = "C:\php\ext\php_java.jar; E:\Java\jdk1.5.0_04\jre\lib;E:\Java\jdk1.5.0_04;D:\charles\projects\java" java.home = "E:\Java\jdk1.5.0_04" java.library.path="c:\php\ext;E:\Java\jdk1.5.0_04\jre\lib" java.library=E:\Java\jdk1.5.0_04\jre\bin\server\jvm.dll sample.php ----------- <?php $system = new Java("java.lang.System"); print "Java version=".$system->getProperty("java.version")." <br>\n"; print "Java vendor=".$system->getProperty("java.vendor")." <p>\n\n"; print "OS=".$system->getProperty("os.name")." ". $system->getProperty("os.version")." on ". $system->getProperty("os.arch")." <br>\n"; $formatter = new Java("java.text.SimpleDateFormat","EEEE, MMMM dd, yyyy 'at' h:mm:ss a zzzz"); print $formatter->format(new Java("java.util.Date"))."\n"; ?>