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- If you are not sure whether you have Sun's JDK installed correctly, please confirm by doing the following:
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- Run a complete directory search (using the 'All File and Folders' option if available) on your drives for the occurrence of 'jdk' in the filename.
- Run a complete directory search (using the 'All File and Folders' option if available) on your drives for the occurrence of 'jdk' in the filename.
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- If your results retrieve a folder with the name 'jdk' immediately followed by a series of version numbers (for example, jdk1.5.0_06), then your Sun JDK has been installed. You should double-check the contents of this folder to ensure that the installation files are intact. If you are unsure about this, proceed to step 2 to re-install the Sun JDK. Otherwise, proceed to step 3 to check that your JAVA_HOME environment variable has been set correctly.
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- If you do not retrieve a result like this, then it is highly likely that your Sun JDK has not been installed.
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- To install the Sun JDK, follow these instructions:
- To install the Sun JDK, follow these instructions:
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- Go to the Java Sun download page.
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- Download the version entitled 'JDK 6 Update XX', where 'XX' stands for some number. (Sun will provide the latest version on that page.)
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- When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Copy or write this directory down for use later.
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- Check that the JAVA_HOME environment variable has been set correctly.
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- Open the 'Start' menu, choose 'Run', type cmd in the 'Run' dialog box and click the 'OK' button.
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- In the command prompt window, type echo %JAVA_HOME% and then press Enter.
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- View the result:
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- If a directory path is display that looks similar to one of the following examples, with the letters 'jdk' immediately preceding a series of version numbers, and this path matches the location where you installed the Sun JDK in step 2, then your Sun JDK has been successfully installed and your JAVA_HOME environment variable has been set correctly. ''Examples of typical JAVA_HOME environment variable values'':
#### C:\Program Files\Java\jdk1.6.0_17
#### C:\Progra~1\Java\jdk1.6.0_17
#### C:\Java\jdk1.6.0_17
#### C:\jdk1.6.0_17
### If nothing is displayed or you do not see 'jdk' immediately followed by a series of version numbers (like one of the examples above), then you need to set the JAVA_HOME environment variable. Please follow these instructions to set your JAVA_HOME environment variable to the directory you where you have just installed the JDK. By default, this directory is under C:\Program Files\Java.
== Setting the JAVA_HOME Environment Variable ==
This information is only relevant if you are installing frevvo on a Windows server. After you have installed the Java Development Kit (JDK) in Windows, you must set the JAVA_HOME environment variable to the JDK installation directory.
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