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https://issues.apache.org/jira/browse/UIMA-5096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15455021#comment-15455021
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Richard Eckart de Castilho commented on UIMA-5096:
--------------------------------------------------
This issue describes a special case of UIMA-4571 for external resources.
> ExternalResourceFactory.createExternalResourceDescription does not accept
> non-string parameters
> -----------------------------------------------------------------------------------------------
>
> Key: UIMA-5096
> URL: https://issues.apache.org/jira/browse/UIMA-5096
> Project: UIMA
> Issue Type: Bug
> Components: uimaFIT
> Affects Versions: 2.2.0uimaFIT
> Environment: Java
> Reporter: Asher Stern
>
> In
> {noformat}
> org.apache.uima.fit.factory.ExternalResourceFactory
> {noformat}
> the method
> {noformat}
> public static ExternalResourceDescription
> createExternalResourceDescription(Class<? extends Resource> aInterface,
> Object... aParams)
> {noformat}
> does not accept non-string parameters.
> Example:
> The following works:
> Caller:
> {noformat}
> ExternalResourceDescription geographicalResourceDescription =
> ExternalResourceFactory.createExternalResourceDescription(
>
> GeographicalResourceImplementation.class,
> GeographicalResource.MAX_LENGTH_PARAMETER, String.valueOf(5),
> );
> {noformat}
> Resource:
> {noformat}
> @ConfigurationParameter(name = MAX_LENGTH_PARAMETER)
> private String maxLengthString;
> {noformat}
> The following fails:
> Caller:
> {noformat}
> ExternalResourceDescription geographicalResourceDescription =
> ExternalResourceFactory.createExternalResourceDescription(
>
> GeographicalResourceImplementation.class,
> GeographicalResource.MAX_LENGTH_PARAMETER, 5,
> );
> {noformat}
> Resource:
> {noformat}
> @ConfigurationParameter(name = MAX_LENGTH_PARAMETER)
> private int maxLength;
> {noformat}
> The exception is:
> {noformat}
> java.lang.ClassCastException: java.lang.Integer cannot be cast to
> java.lang.String
> at
> org.apache.uima.fit.factory.ExternalResourceFactory.createExternalResourceDescription(ExternalResourceFactory.java:177)
> at
> org.apache.uima.fit.factory.ExternalResourceFactory.createExternalResourceDescription(ExternalResourceFactory.java:122)
> ...
> {noformat}
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