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From "Andrew McIntyre (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1223) Update Getting Started to include instructions on setting JAVA_HOME variable.
Date Fri, 18 Aug 2006 22:15:14 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1223?page=comments#action_12429139 ] 
Andrew McIntyre commented on DERBY-1223:

Sorry, I thought it would be easier to just review the proposed changes, but now I see that
this section needs some reworking.

tgssetupjavanvir: This page needs a complete overhaul, and should probably be merged with
the content from tgs36360 and the number 2 item from cgsusingtoolsutils. The title should
probably be "Setting up your environment" and should include instructions for setting DERBY_HOME,
JAVA_HOME, and adding $DERBY_HOME/bin to PATH. For JAVA_HOME, something like this should sufficient:

"You need to set your JAVA_HOME environment variable so the scripts can find the JVM and Java
applications run correctly. JAVA_HOME should be set to the installation location of your JVM.
For example:

set JAVA_HOME=C:\Program Files\Java\j2se1.4.2_05

export JAVA_HOME=/usr/j2se

If you have more than one JVM installed, you can use the JAVA_HOME variable to switch between
JVMs by updating the value with the installation location of any supported JVM.

You can then also run java commands directly by adding JAVA_HOME to your PATH. For example:


export PATH="$JAVA_HOME/bin:$PATH"

The parts about setting PATH should come after instructing the user to add $DERBY_HOME to
the path:

"It is important for the success of your installation because the PATH variable enables your
operating system to find the scripts from any directory.

To check that the JAVA_HOME and DERBY_HOME variables have been set correctly and that $DERBY_HOME/bin
has been added to the PATH environment variable correctly, in a command window, type the following:


If the environment variables are set correctly, Derby's sysinfo command will print information
about your JVM and the version of Derby you have installed to the console."

rgslib27507: i think it's ok to leave the DERBY_HOME off here, but it may be clearer if it
is included. The new Unix scripts in /bin do not have an extension. Please fix the paths to
the scripts, though. e.g. frameworks/embedded/bin/ij -˘> bin/ij and remove the duplicate
ij / sysinfo / dblook entries after that change.

tgs26250: The title should change to "Manually setting the classpath." This page should mention
that the scripts will set up their own classpath for running the tools, but to call the tools
directly using Java and not using the scripts, they will need to set the classpath. Change
frameworks/*/bin -> bin. Probably a good idea to mention the names of the scripts that
help with setting classpath, setEmbeddedCP, setNetworkServeCP, setNetworkClientCP. It might
be useful to have an example that uses the -cp option of java. Something along the lines of:

"The classpath can also be specified directly on the command-line. For example, on Windows:

java -cp %DERBY_HOME%/lib/derbytools.jar org.apache.derby.tools.sysinfo"

tgs36360: This page should be merged with tgssetupjavanvir as mentioned above.

cgsmanuallysetting: This page should be removed.

tgsrunningij: Yes, include $DERBY_HOME with the /bin here. No other changes.

cgsusingsysinfo: Same as above.

cgsusingtoolsutils: Change frameworks/*/bin -> bin. ij.ksh -> ij. Unix scripts no longer
have an extension. The numbered two point should move to the "setting up your environment
page" and refer to $DERBY_HOME/bin. The number 1 point here should then be unnumbered, obviously
and read something like:

"In order to use the script files to run the tools and utilities, it may be necessary to turn
on the execute bit for the script files:

chmod +x $DERBY_HOME/bin/*

Note: be sure that the environment variable $DERBY_HOME is set in your current shell by executing
'echo $DERBY_HOME' and validating that it is set to the location of your Derby installation.
If the variable is empty, the command that will actually be executed is 'chmod +x /bin/*.'
While this is unlikely to damage your system, since the contents of /bin on most Unix systems
are all executable, it will not have the desired effect of making the Derby scripts executable."


cgsinstallingderby should mention the /bin directory instead of frameworks

> Update Getting Started to include instructions on setting JAVA_HOME variable.
> -----------------------------------------------------------------------------
>                 Key: DERBY-1223
>                 URL: http://issues.apache.org/jira/browse/DERBY-1223
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions:
>            Reporter: Andrew McIntyre
>         Assigned To: Laura Stewart
>            Priority: Minor
>         Attachments: Derby1223_ProposedChanges.txt
> As of the fix for DERBY-1082, the scripts were made consistent to require setting DERBY_HOME
(or DERBY_INSTALL) and JAVA_HOME. The documentation on setting up your environment in the
Getting Started guide should be updated to reflect that these variables should be set. 

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