Jersey java.lang.ClassNotFoundException: com.sun.jersey.spi.container.servlet.ServletContainer

Jersey java.lang.ClassNotFoundException: com.sun.jersey.spi.container.servlet.ServletContainer

solution : In eclipse 

go to  project -> properties -> development assembly -> add -> java build path entries.

src/main/java not visible in project folder eclipse

src/main/java not visible in project folder eclipse

steps :
1) right click on project.
2) click on build path.
3) select configure buildpath.
4) select order and export
5) click and select.
a) jre system lib.
b) maven dependency 

creating a maven web project from commandline

1)
a. creating a maven project from commandline

mvn archetype:generate -DgroupId={project-packaging}
-DartifactId={project-name}
-DarchetypeArtifactId=maven-archetype-webapp
-DinteractiveMode=false

ref : maven

b) need to create sample web application

ex : mvn archetype:generate -DarchetypeGroupId=com.sample.voice -DarchetypeArtifactId=maven-archetype-webapp -DarchetypeVersion= voice


mvn archetype:generate -DgroupId=com.voice -DartifactId=sample -DarchetypeArtifactId=maven-archetype-webapp -DinteractiveMode=false

Previously created MySQL Schema ` ` was found. Statement ignored. ERROR: Previously created MySQL Table

Previously created MySQL Schema ` ` was found. Statement ignored. ERROR: Previously created MySQL Table

scenario : When performing reverse engineering in workbench. If there are multiple instance of DB created in workbench we get the error.
solution :  Make sure workbench dashboard only have one connection in open, to communicate with DB.