From the monthly archives: March 2009

Error page definition in web.xml and Spring

By On 31/03/2009 · Leave a Comment

#
# for servlet
#
You can find the error page from web.xml as following:

<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/WEB-INF/view/error/uncaughtException.jsp</location>
</error-page>

#
# for spring
#
You can find the error page handler in applicationContext.xml

<bean id=”defaultExceptionHandlerTemplate” class=”org.springframework.web.servlet.handler.SimpleMappingExceptionResolver” abstract=”true”>
[...]

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Tomcat keytool to generate .keystore

By On 31/03/2009 · Leave a Comment

To install and configure SSL support on Tomcat 5, you need to follow these simple steps. For more information, read the rest of this HOW-TO.

Create a certificate keystore by executing the following command:Windows: %JAVA_HOME%\bin\keytool -genkey -alias tomcat -keyalg RSA

Unix:

$JAVA_HOME/bin/keytool -genkey -alias tomcat -keyalg RSA

and specify a password value of “changeit”. Uncomment [...]

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Inproper UTF8 encoding lead to forbidden in apache by ModSecurity2

By On 17/03/2009 · Leave a Comment

Today a very interesting issue raised…

Scenario:

Copy text from Word document Paste text to input text field in browser Submit the form Response from apache is the following:
Bad Request
Your browser sent a request that this server could not understand.

Reason:

UTF8 text from word document conflicts with ModSecurity2′s rule – [...]

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JBoss – OutOfMemoryExceptions

By On 13/03/2009 · Leave a Comment

from jboss wiki

OutOfMemoryExceptions

This section attempts to cover some of the most common reasons why you may see an OutOfMemoryError from your JBoss application server. Interestingly, there are several cases where the JVM may report an OutOfMemoryError even if it is not really out of [...]

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