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Servlet & JSP

Apa itu Servlet ?

Servlet = Server Applet = Server Java Applet = Server Java Application.

Servlet adalah File Java yang berjalan di server supaya bisa menyisipkan HTML untuk response.

Bisa kasih fungsi di html. Dinami

Apa itu JSP ?

Java Server Page, html dibungkus java

Generate Project

Generate Project melalui Command Prompt

mvn archetype:generate -DartifactId=tutorial-javaweb-app -DgroupId=software.webb.app -DarchetypeCatalog="internal"

Build di Terminal

mvn clean package
  • di folder target ada WAR

masuk ke C:\xampp\tomcat\bin>

Klik 2x Startup

tunggu sampai ada tulisan "Server Startup"

Buka Google Chrome

masuk ke localhost:8080

baca dulu pelan - pelan

cari Manager App

username : tomcat, password : s3cret

masuk ke C:\xampp\tomcat\conf\ pakai Windows+E

buka tomcat-users.xml menggunakan text editor

find "tomcat-users"

masukkan script berikut
<role rolename="manager-gui"/>
<user username="tomcat" password="s3cret" roles="manager-gui"/>

restart tomcat, tunggu sampai "Server Startup"

reload page, masuk ke manager app

Pilih file .war yang tadi dibuat di dalam target

deploy

Applications, under /manager is your project

Klik kanan, open link in new tab

mvn clean package lagi di editor

kembali ke browser,

masuk ke manager

deploy ulang project barusan

sudah berubah ?

tambahkan tulisannya

Deploy Ulang - Melalui Command Prompt

mvn clean package tomcat:run

tunggu hingga ada respon seperti ini, itu adalah alamat yang harus dimasukkan ke browser

[INFO] Running war on http://localhost:8080/tutorial-javaweb-app

error

HTTP STATUS 500- Unable to compile class for JSP:

note

note The full stack trace of the root cause is

error

available in the Apache Tomcat/6.0.29 logs.

Googling

search di google maven-plugin-tomcat7

baca pelan - pelan

cari Usage Page dari tomcat.apache.org

Using a different Tomcat manager URL

End

buka editor

buat plugins tanpa configuration https://tomcat.apache.org/maven-plugin-2.0/tomcat7-maven-plugin/usage.html

mvn clean package tomcat7:

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