So far, the only way I've been able to get things to work properly, is to unpack the $CATALINA_HOME/bin/bootstrap.jar, add my Charset, CharsetProvider, CharsetEncoder and CharsetDecoder classes to it, change the META-INF, and re-pack the bootstrap jar. However, this does seem a rather "hacky" way to get things working...
Actually, I found that James Manger had exactly the same problem about a year ago. I include his original posting, as it formulates the problem rather well:
I would like to use a non-standard character set for selected operations within a servlet. I have implemented a CharsetProvider, Charset, CharsetEncoder & CharsetDecoder.
I can use my new character set from a Java application by listing the CharsetProvider class name in the following file within the application JAR. META-INF/services/java.nio.charset.spi.CharsetProvider (see API for CharsetProvider)
My application (without any particular "import" statements) can make calls such as: String msg = "Hello, World!"; byte[] encoding = msg.getBytes("MY-CHARSET");
I cannot get these lines to work in a servlet -- the msg.getBytes("MY-CHARSET") throws: java.nio.charset.UnsupportedCharsetException: MY-CHARSET
QUESTION: How do I tell the system running my servlet about my character set?
Adding a JAR with the character set (and META-INF... file) to the jre/ext/ directory makes the character set available to all Java apps - but not to the servlet! Adding the JAR to tomcat/common/lib/ did not seem to work either.
My servlet can see my CharsetProvider class, but my CharsetProvider is not "registered" with the system (and it needs to be "registered" for String.getBytes("MY-CHARSET") to work).
[JWSDP 1.0_01, J2SE 1.4.0_01, Tomcat 4.1.2, SunOS 5.6]
James Manger
Unlike James, I'm using J2SE 1.4.1_02-b06, Tomcat 4.1.18 and RedHat 8.0.
Happy for any clue anyone may be able to provide!
Cheers,
- Johan
--- Johan Krisár, johan.krisar(at)depicta.com
