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Mostrando entradas de mayo, 2020

Create a docker image from a spring boot project

In order to create a docker image from a spring boot project, First, your pom.xml has to be configured. <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <!-- Cofiguration for creating a docker image --> <image> <name>chamow01/${project.artifactId}</name> </image> </configuration> </plugin> </plugins> </build> Then, the next maven command needs to be applied, so spring boot uses paketo-buildpacks in order to create a docker image based on you Java code mvn spring-boot:build-image ... [INFO] > Running creator [INFO] [creator] ===> DETECTING [INFO] [creator] 6 of 24 buildpacks participating [INFO] [creator] paketo-buildpacks/ca-certificates 3.2.0 [INFO] [creator] paketo-buildpacks/bellsoft-liberica 9.3.2 [INFO]

Ejecutar clase Java en .jar con dependencia log4j

Para ejecutar una clase Java (JDK8) que está dentro de un archivo .jar y que además dependa de clases y configuración externa de  log4j , se debe usar el siguiente comando: java -cp wl-tools.jar;log4j-12.jar  -Dlog4j.configuration=file:"./log4j.properties" com.wl.tools.Encriptor.KeyGenerator 456 MD5 Fuentes:   https://stackoverflow.com/questions/8897528/should-log4-properties-be-on-the-classpath