java

Spring ConnectionFactory bean instantiation error: Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'mqConnectionFactory' is expected to be of type 'com.ibm.mq.jms.MQConnectionFactory' but was actually of type 'org.springframework.cloud.sleuth.instrument.messaging.LazyConnectionFactory'

To generate java stub classes from xsd, we use the xjc utility that comes with the JDK.  I received a couple of error while generating the stubs for a particular project i was working.

  To solve this error, you would need to download the SSL certificate from the site you are trying to access and import it into you JVM truststore

Simple steps to configure cassandra on a single windows machine with multiple nodes.

Converting a long to a boolean array in Java Converting a boolean array to a long in java

Sometimes customization of the 500 and 400 error pages might be desired.  To do this, configuring the  web.xml file to send these errors to the customized page(s) would help achieve the task. 

Unable to compile class for JSP: The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files You have just upgrade to java 8.  Yo haven't upgraded tomcat or you did. Make sure you do not have an older ecj-*.jar file in your classpath.  Removing the older jar will resolve the error.

Brief example showing how to send json data to a spring rest controller

DIFFERENCES BETWEEN OVERLOADED AND OVERRIDDEN METHODS