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Upgrade Considerations
When you upgrade PhixFlow to the latest version, the process replaces everything under the
You need to configure soft links
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in the
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/tomcat/webapps/phixflow directory.
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When you upgrade PhixFlow to the latest version, the process replaces everything |
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in This is also why you must never add files |
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directly to /tomcat/webapps/phixflow or it's subdirectories. |
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Creating Soft Links
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Securing Soft Links
To ensure soft links from Tomcat to PhixFlow directories are secure, configure the context.xml file as follows:
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Creating Soft Links
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In the following commands:
path/folder_nameis the full path to the directory to which you want to linksoft_link
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- is the path to the directory
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- where you want to
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- access the soft link.
On Linux
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create soft links using the ln command
ln -s path/folder_name soft_link...
If a file path includes spaces, enclose it in double-quotes.
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sudo ln -s /opt/phixflow/data/ /opt/tomcat/webapps/phixflow/datalink |
On Windows
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create soft links using the mklink command
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By default, the mklink command creates links to specific files
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. To link to a directory, use the /D option.
mklink /D soft_link
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path/folder_name
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mklink /D c:\app\tomcat\webapps\phixflow\datalink c:\path\phixflow\data |
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For more information about symlinks, see this article on Creating Symbolic Links.
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Securing Soft Links
To ensure soft links from Tomcat to PhixFlow directories are secure, configure the context.xml file as follows:
- Edit
/opt/tomcat/conf/context.xml - Find the line:
<Resources cachingAllowed="true" cacheMaxSize="1000000" /> - Replace it with:
<Resources allowLinking="true" cachingAllowed="true" cacheMaxSize="1000000" />
Example Soft Links
In the following example, Tomcat has a soft link called images-link to a files/images directory in PhixFlow.
| OS | Soft link in a Tomcat directory | points to → | PhixFlow server directory containing files |
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| Linux |
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<path>/tomcat/webapps/phixflow/images-link |
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| Windows | <path>\tomcat\webapps\phixflow\ | <path>/phixflow/ |
You can also create soft links within the PhixFlow server, for example to simplify paths.
| OS | Soft link in Tomcat directory | points to → | Soft link in PhixFlow server | points to → | Directory containing files |
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| Linux |
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<path>/tomcat/webapps/phixflow/proj1-images |
| /opt/phixflow/allprojects/apps/project1/ | |
| Windows | <path>\tomcat\webapps\phixflow\proj1-images | <path>/phixflow/images/project1/ | <path>/phixflow/ |