| Documentation |
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| Frequently Asked Questions |
| Dynamic Content and Java Stored Procedures and XML |
| How to develop application with XML and Java Stored Procedure? |
| I am calling a Dynamic page and I got the error: Exception DBPrismGenerator.generate(): java.lang.NullPointerException |
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In several cases due to low response time in the Oracle database the execution of an stored
procedure takes more time than the Manager.timeout,
then DBPrism will close this connection for inactivity time.
Solution: Increase this value into prism.properties.
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| Are there any mailing lists devoted to XSL? |
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Yes. Try the
"Mulberrytech list",
which is more appropriate than the DBPrism users list for general
XSL questions.
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| Where do I get more information on XSL and XML? |
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| When can we expect to see the first proper release of DBPrism 2? |
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Ending 2001 - but this is an open source project so, even more so than
with commercial projects, there are no guarantees.
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| Installation, Configuration and Upgrading |
| Where can I find DBPrism jar? |
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In the bin directory of the DBPrism distribution.
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| Why dbprism.ear and DBPrism 2.0.0-alpha files are so big? |
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DBPrism 2.0.0-alpha distribution and dbprism.ear files includes many of Cocoon-2.0.2
libraries.
Look at Apache Cocoon 2.0 JARs section
for full explanation.
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| java.lang.NoClassDefFountError:javax.naming.Referenceable Exception |
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DBPrism 1.2.x includes support for Oracle JTA functionality, this functionality
is included into $ORACLE_HOME/jdbc/lib/jdni.zip and jta.zip, add these files to
the servlet CLASSPATH.
Objviously DBPrism includes support for non JDBC 2.0/J2EE drivers, in such case
uses PrismNoJTA.jar instead of Prism.jar and change the parameter
Manager.class to
com.prism.utils.JdbcDBPrismConnectionCacheImpl on prism.properties file.
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| Where can I find some DBPrism samples? |
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In the plsql and oi directories of the DBPrism distribution.
Look at Demo section for full explanation.
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| Are there any good books that could help me? |
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| Output Formatting and Internationalization |
| When I try to use non-English characters, they appear in the browser as question marks. How do I specify the encoding for my page? |
| Check for the parameter default encoding or try with owa_util.mime_header plsql procedure. |
| DBPrism do not recognize accent on argument values (PLSQL support)? |
| DBPrism do not recognize accent on argument values (Java support)? |
| Its not clear for me, It seem to be a bug on argument passing to Java Stored Procedures. |
| Why is Internet Explorer not showing PDF or VRML samples? |
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Is a long-time problem with Internet Explorer which doesn't look
for the MIME type sent by the HTTP response, but instead just looks at the
file extension at the end of the URL to determine what program should
open it (unlike other browsers which are smarter and follow the Internet standards
correctly).
There is a trick that forces IE to treat it as a PDF -
adding ?dummy=test.pdf (or some similar parameter ending in .pdf)
at the end of your URI. DBPrism should
ignore this, but IE won't, and will
trigger the correct plugin/application for that content.
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| I see that DBPrism 1.x has started to incorporate features planned for DBPrism 2.x - why? |
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We believe that smooth project evolution is much better than step-wise
revolutionary paths. For this reason, we'll try hard to incorporate some
of the DBPrism 2 features in the main project thus limiting the porting
effort for you over time.
Note that this doesn't mean that DBPrism won't change in the future and we
state clearly that we do care about back compatibility but only when this is
not limiting the evolution of the platform too much.
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