Hi,
we just tried to upgrade from commons-configuration-1.9 to
commons-configuration-1.10 and hit a blocking problem. It manifests itself as:
java.lang.UnsupportedOperationException
at java.util.AbstractMap.put(AbstractMap.java:209)
at
org.apache.commons.configuration.MapConfiguration.addPropertyDirect(MapConfiguration.java:186)
at
org.apache.commons.configuration.AbstractConfiguration.addPropertyValues(AbstractConfiguration.java:423)
at
org.apache.commons.configuration.AbstractConfiguration.addProperty(AbstractConfiguration.java:393)
at
org.apache.commons.configuration.AbstractConfiguration.setProperty(AbstractConfiguration.java:486)
Looks like this happens because the map was created using the
`MapConfiguration(Properties props)` constructor. In 1.9, this creates a
HashMap and fills it with the properties. In 1.10, this now uses an
AbstractMap that only overrides `entrySet` which makes this a read-only map.
Our code then tries to add more properties, which produces the above exception.
Are we doing something wrong here or is this really a regression in 1.10?
</nk>
---
Norbert Kiesel
Systems Architect | Engineering
MetricStream
2600 E. Bayshore Road | Palo Alto, CA - 94303
+1-650-620-2954 | [email protected] | www.metricstream.com
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