Null pointer when running report with Japanese ID on v4.5

Issue:

You may get a null pointer exception if you use Japanese characters for any resource ID in the JasperReports Server repository.

For example, a report name.

You may be able to name it using Japanese characters, but it may yield a security error or an exception as follows when you try to run it. This is in the case when you are deploying a WAR file to your own web application container/server.

2012-06-25 11:30:58,977 ERROR errorPage_jsp,http-80-exec-374:487 - stack trace of exception that redirected to errorPage.jsp
java.lang.NullPointerException
at com.jaspersoft.jasperserver.war.action.ResourceTypeMappingAction.doPreExecute(ResourceTypeMappingAction.java:53)
at org.springframework.webflow.action.AbstractAction.execute(AbstractAction.java:186)

Resolution:

The following setting is needed in order for multi-byte characters to work in the repository. /conf/server.xml

Ref. Case #00026971 -- 18:55, 25 July 2012 (UTC)