Automating -createPasswordFile in Windows

Michael Shaffer (18●1●3) | asked Nov 21 '14, 11:38 a.m.

I'm currently trying to automate the set up of JBEs on Windows environments. I'm at the point of creating the password file using:

jbe.bat -createPasswordFile

Which launches a Java process requesting user input. I would like to know if it's possible to redirect input to the process which is launched, auto-completing the request for a password. For reference purposes our solution in Linux is:

echo "${jazz_password}" | ./jbe.sh createPasswordFile

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Alan Sampson (937●4●9) | answered Nov 21 '14, 7:59 p.m.
JAZZ DEVELOPER
edited Nov 22 '14, 1:36 p.m.

Your problem is related more to Windows batch file restrictions than the command itself. By running the JBE launcher jar directly I was able to get this to work:

	C:\tmp\IBM\jbe>set JAVA_HOME=C:\IBM\Rational\RTC\RTC-Eclipse\4.0.6\jazz\client\eclipse\jdk
	C:\tmp\IBM\jbe>echo secret | %JAVA_HOME%\jre\bin\java -jar C:\IBM\Rational\RTC\toolkits\4.0.6\buildtoolkit\jazz\buildsystem\buildengine\eclipse\plugins\org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar -createPasswordFile tom


	*** Warning: password will be printed to the screen. 
        password:

	Password stored in file: "C:\tmp\IBM\jbe\tom"

	*** Warning: The password is encrypted to prevent casual observation, but a determined attacker may discover the password. The password file should be protected with operating system file permissions.

This yielded the following password file (* substituted for ? and ! due to editor restrictions):

	C:\tmp\IBM\jbe>type tom
	<*xml version="1.0" encoding="UTF-8"*>
	<*DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
	<properties>
	<comment>4.0</comment>
	<entry key="password">TW6nCXFrd+4=</entry>
	</properties>

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Alan Sampson commented Nov 21 '14, 8:33 p.m.

JAZZ DEVELOPER

FYI you can further refine this to prevent any output to the console by redirecting the output to the nul device:

C:\tmp\IBM\jbe>echo secret | %JAVA_HOME%\java -jar C:\IBM\Rational\RTC\toolkits\4.0.6\buildtoolkit\jazz\buildsystem\buildengine\eclipse\plugins\org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar -createPasswordFile tom > nul 2>&1

Michael Shaffer commented Nov 24 '14, 4:30 a.m.

Alan, thanks for the quick and concise response, I really appreciate it!

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Automating -createPasswordFile in Windows

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