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From Pavel Savara <pavel.sav...@intrade.com>
Subject Re: [configuration] Brackets in key for property file causes exception
Date Mon, 29 Sep 2008 10:45:38 GMT
> Unfortunately I don't have a working solution for this problem right 
> now. I would like to ask you to create a new ticket in out bug tracking 
> system [1], so this issue won't get lost.

Thanks i have done so
https://issues.apache.org/bugzilla/show_bug.cgi?id=45511

Pavel

On Sat, 2008-09-27 at 17:34 +0200, Oliver Heger wrote:
> First of all, please prefix the subject with the name of the component 
> you are interest in (as I have done now) because this is a shared list. 
> Response below.
> 
> Pavel Savara schrieb:
> > Hi,
> > When we use brackets in property key we get an exception every time.
> > Escaping brackets with \ doesn't help and i haven't found any mention
> > that brackets are special characters in documentation
> > we use common-configuration 1.5
> > 
> > Thanks for help.
> I guess you use DefaultConfigurationBuilder for loading a combined 
> configuration?
> 
> The exception is due to the fact that brackets have a special meaning in 
> the query syntax for hierarchical configurations. 
> (DefaultConfigurationBuilder transforms all configuration sources into 
> hierarchical configurations, so also for properties, which are not 
> hierarchical by default, the same rules apply.)
> 
> So far escaping brackets or other specific characters in property keys 
> is not supported. It seems to be rather unusual to use brackets in 
> property keys, so you may well be the first one who noticed this problem.
> 
> Unfortunately I don't have a working solution for this problem right 
> now. I would like to ask you to create a new ticket in out bug tracking 
> system [1], so this issue won't get lost.
> 
> Thanks
> Oliver
> 
> [1] http://commons.apache.org/configuration/issue-tracking.html
> > 
> > Example
> > 
> > #property in property file
> > test(ef)=false
> > 
> > causes 
> > java.lang.NumberFormatException: For input string: "ef"
> > 	at
> > java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
> > 	at java.lang.Integer.parseInt(Integer.java:447)
> > 	at java.lang.Integer.parseInt(Integer.java:497)
> > 	at org.apache.commons.configuration.tree.DefaultConfigurationKey
> > $KeyIterator.checkIndex(DefaultConfigurationKey.java:834)
> > 	at org.apache.commons.configuration.tree.DefaultConfigurationKey
> > $KeyIterator.nextKey(DefaultConfigurationKey.java:511)
> > 	at
> > org.apache.commons.configuration.tree.DefaultExpressionEngine.findNodesForKey(DefaultExpressionEngine.java:462)
> > 	at
> > org.apache.commons.configuration.tree.DefaultExpressionEngine.query(DefaultExpressionEngine.java:286)
> > 	at
> > org.apache.commons.configuration.HierarchicalConfiguration.fetchNodeList(HierarchicalConfiguration.java:925)
> > 	at
> > org.apache.commons.configuration.HierarchicalConfiguration.setProperty(HierarchicalConfiguration.java:735)
> > 	at
> > org.apache.commons.configuration.ConfigurationUtils.copy(ConfigurationUtils.java:143)
> > 	at
> > org.apache.commons.configuration.ConfigurationUtils.convertToHierarchical(ConfigurationUtils.java:199)
> > 	at org.apache.commons.configuration.CombinedConfiguration
> > $ConfigData.getTransformedRoot(CombinedConfiguration.java:794)
> > 	at
> > org.apache.commons.configuration.CombinedConfiguration.constructCombinedNode(CombinedConfiguration.java:653)
> > 	at
> > org.apache.commons.configuration.CombinedConfiguration.getRootNode(CombinedConfiguration.java:504)
> > 	at
> > org.apache.commons.configuration.HierarchicalConfiguration.fetchNodeList(HierarchicalConfiguration.java:925)
> > 	at
> > org.apache.commons.configuration.HierarchicalConfiguration.getProperty(HierarchicalConfiguration.java:327)
> > 	at
> > org.apache.commons.configuration.CombinedConfiguration.getProperty(CombinedConfiguration.java:578)
> > 	at
> > org.apache.commons.configuration.AbstractConfiguration.resolveContainerStore(AbstractConfiguration.java:1155)
> > 	at
> > org.apache.commons.configuration.AbstractConfiguration.getString(AbstractConfiguration.java:1034)
> > 	at
> > org.apache.commons.configuration.AbstractConfiguration.getString(AbstractConfiguration.java:1017)

> > 


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