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https://issues.apache.org/jira/browse/CONFIGURATION-479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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raghutpk closed CONFIGURATION-479.
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Resolution: Duplicate
> Cannot write to files within an app server directory
> ----------------------------------------------------
>
> Key: CONFIGURATION-479
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-479
> Project: Commons Configuration
> Issue Type: Bug
> Components: Build
> Affects Versions: 1.7, 1.8
> Environment: Java , Linux, Jboss
> Reporter: raghutpk
> Labels: commons, configuration
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Hi
> This issue is really grappling me. I use Apache commons configuration to
> read the configuration for my application. I expose my configuration through
> a jmx client so that I can change the configuration at runtime and would like
> to persist the changes to the original load form.
> I have multiple configuration sources so I use a CombinedConfiguration object
> to read in my config.xml file. I have wrapped custom logic and rules to save
> the confgiuration to the persistent store.
> I use Jboss AS5 to deploy my application.
> All is well when I have configuration files in the filesystem outside
> $JBOSS-HOME/server/default/deploy. I am able to read fine and write back to
> the config files fine too.
> but the problem is when I bring in the Config files in the following directoy
> $JBOSS-HOME/server/default/deploy/{application-name}/..
> I can read the configuration fine, but when I try to write the configuration
> back to the persistent store using the save method of the respective
> configuration(like PropertiesConfiguration & XMLConfiguration) using a jmx
> client(I also tried to harcode and save within code immediatly after reading
> my configuration). I keep getting the follwing exception :
> java.net.UnknownServiceException: protocol doesn't support output
> at java.net.URLConnection.getOutputStream(URLConnection.java:792)
> at
> org.apache.commons.configuration.DefaultFileSystem.getOutputStream(DefaultFileSystem.java:113)
> at
> org.apache.commons.configuration.AbstractFileConfiguration.save(AbstractFileConfiguration.java:461)
> at
> org.apache.commons.configuration.AbstractFileConfiguration.save(AbstractFileConfiguration.java:402)
> at
> org.apache.commons.configuration.AbstractFileConfiguration.possiblySave(AbstractFileConfiguration.java:737)
> at
> org.apache.commons.configuration.AbstractFileConfiguration.clearProperty(AbstractFileConfiguration.java:784)
> at
> org.apache.commons.configuration.AbstractConfiguration.setProperty(AbstractConfiguration.java:483)
> at
> org.apache.commons.configuration.AbstractFileConfiguration.setProperty(AbstractFileConfiguration.java:774)
> ......
> Please throw some light on the exception because it is helping me nowhere in
> understanding the issue
> If I am able to read it, I should also be able to save it back..but it is not
> happening within JBOSS directory(I can only read). Moment I shift my
> configurations outside that to a different place in the Filesystem say
> /home/../Config and also keep the config.xml(containing the reference to the
> Configuration sources)it is perfectly working fine.
> This is being a blocker for me. I may have completely misread the scenario,
> so please throw light on the same if I am missing anything or more details
> are needed.
> Following is the piece of code used to read the configuration :
> ...
> builder.setFile(new File(Path to CONFIG_DIRECTORY +
> CONFIG_DEFINITION_FILENAME(config.xml)));
> CombinedConfiguration combinedConfig = builder.getConfiguration(true);
> sample config.xml file :
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <configuration>
> <header />
> <override>
> <properties
> fileName="db.properties"
> autoSave="true" config-name="properties1" />
> <properties
> fileName="jms.properties"
> autoSave="true" config-name="properties2" />
> <properties
> fileName="test.xml"
> autoSave="true" config-name="properties3" />
> <xml fileName="gui.xml"
> autoSave="true" config-name="xml1" />
> </override>
> <additional />
> </configuration>
> Following is sample code used to write back updated values to the persistent
> store :
> xmlConfig = (XMLConfiguration)
> combinedConfig.getConfiguration("configuration source name");;
> if
> (xmlConfig.containsKey(key)) {
> try {
> //
> Update the value.
>
> xmlConfig.setProperty(key, value);
>
> xmlConfig.save();
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