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POExecuting Java JAR from PHP will not work
 

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    <p>I have a java program that generates an HTML file. The Java program takes two input parameters: file1 and file2, the output file is specified by the "--file=". </p> <p>When executed from the command line (UNIX, Mac OS 10.6.2) it looks like this:</p> <pre><code>"java -jar program.jar http://my.testsite.com/test1.html http://my.testsite.com/test2.html --file=/path/to/jar/new_file_1274119954.html</code></pre> <p>Executing the program form the command line generates the file "new_file_TIEMSTAMP.html" </p> <p>Now I want execute this same line form PHP so I created the following script:</p> <pre><code> $file1 = 'http://my.testsite.com/test1.html'; $file2 = 'http://my.testsite.com/test2.html'; $newFile = '/path/to/jar/new_file_'.time().'.html'; <strong>system</strong>("java -jar program.jar $file1 $file2 --file=$newFile"); $handle = fopen($newFile, "r"); $output = fread($handle, filesize($newFile)); echo "$output"; </code></pre> <p>Like you can see, I am not really interested in the console output, but rather in the file that is generated by the program.</p> <p>I have also use the following calls to execute the console command but neither of them works when executing this PHP script from my browser.</p> <ul> <li><a href="http://php.net/manual/en/function.system.php" rel="nofollow noreferrer">system()</a></li> <li><a href="http://php.net/manual/en/function.exec.php" rel="nofollow noreferrer">exec()</a></li> <li><a href="http://php.net/manual/en/function.shell-exec.php" rel="nofollow noreferrer">shell_exec()</a></li> </ul> <p>I am not sure if there is some special setting that I need to enable in my php.ini, or is something I am doing wrong, but I am not sure what to do now.</p> <p>Your help is appreciated</p> <p>PD:</p> <p>One error message I do get when using the <strong>system</strong> call is the following: <i> javax.xml.transform.TransformerException: org.xml.sax.SAXException: setResult() must be called prior to startDocument(). </i></p>
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