how to

debug configuration:
https://stackoverflow.com/questions/40703688/how-to-run-tomcat7-maven-plugin-in-debug-mode-with-intellij-idea

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get favicon.ico from a website
https://stackoverflow.com/questions/11090508/how-to-get-favicon-ico-from-a-website-using-java

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convert file to inputstream
http://www.baeldung.com/convert-file-to-input-stream

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Reading and writing ICO images in Java
http://zetcode.com/articles/javaico/

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Hibernate Delete object by id
https://stackoverflow.com/questions/9477473/hibernate-delete-object-by-id?rq=1

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How create executable war with maven

• http://tomcat.apache.org/maven-plugin-2.2/executable-war-jar.html
• https://issues.apache.org/jira/browse/MTOMCAT-263

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###Passing command line arguments from Maven as properties in pom.xml https://stackoverflow.com/questions/7513319/passing-command-line-arguments-from-maven-as-properties-in-pom-xml