Spring boot read file outside jar

HTTP/1.1 200 OK Date: Sat, 20 Nov 2021 23:16:30 GMT Server: Apache/2.4.6 (CentOS) PHP/5.4.16 X-Powered-By: PHP/5.4.16 Connection: close Transfer-Encoding: chunked Content-Type: text/html; charset=UTF-8 2009 spring boot read file outside jar Now lets say, your application requires externalized properties Open Spring Tool Suite IDE, select menu File > New > Spring Starter Project. xml Java read file line by line. port to preconfigure a Tomcat server on a specific port). $ java -jar target\springbootdemo-0. xml file. Property values can be injected directly into your With this short blog post, I am going to share with you a few ways you can read application properties from application. Spring @PropertySource Annotation with Example. /mvnw spring-boot:run . Unable to read the properties file from module  Having configuration files outside jar spring boot xml configuration Spring Boot Batch Read XML file and spring boot xml configuration  2017. And to terminate the application, press Ctrl + C in the command line window. SpringBoot, how to use external reloadable properties file. Evaluation order springboot-properties-outside. properties into given below predetermined locations: -- In the classpath root. In our application, we have one HTML file which contains a simple link. First of all, you need to add the OpenCSV dependency in your project. java -jar app. On the New Spring Starter Project popup input new project information as below and click Next. Adding OpenCSV dependency. You will learn to implement the basic CRUD To build and package the Spring Boot app into a single executable Jar file with a Maven, use the below command. jar). dec. properties or application. and add the below spring-boot-maven-plugin code just below the closing dependencies </dependencies> tag. * @param file the root jar file * @throws IOException if the file cannot be read */ public JarFile (File file) throws IOException {this (new RandomAccessDataFile (file));} /** * Create a new {@link JarFile} backed by the specified file. active will take profiles names comma-separated if you have many. The final BOOT JAR (spring-boot-app. Load multiple configuration files from; Spring boot jpa; Spring Annotation Based Configuration; Spring Boot Batch Read XML file and; Spring . properties using Environment object, Read a property from application. We talked about this topic in the previous blog post on internalization with Spring Boot. szept. The configuration about SSL: server: port: 8443 ssl: enabled: true key-store: classpath:keystore. properties, or application. Spring boot application to read from a properties file of a jar added as a dependency while running test Asked By user1945064 2021-04-12 17:25:16 30 1 java / spring / spring-boot Solution –. If the sample code is used outside Spring Boot, then the j2ee. With this short blog post, I am going to share with you a few ways you can read application properties from application. @Value("  21 de jun. If you use an IDE such as Eclipse or Spring Tool Suite, right-click on the project, then select Sometimes we have to configure property files from outside of classpath so that anyone can access this file without looking into application. The link triggers a response from the web Boot application. 7, the loaded plugin from outside the Spring Boot app now requires permissions to read the BOOT JAR (spring-boot To run your Spring Boot application from the generated JAR file in command line, change the current directory to target, and type: java –jar YourProjectName-version. propeties file as following All of our profiles are packaged within the JAR file as part of our classpath. /mvnw clean package and then run the JAR file, as follows: java -jar target/gs-uploading-files-0. Solution –. Place your application. Spring Boot allows you to externalize your configuration so you can work with the same application code in different environments. Config file processing in Spring Boot 2. properties outside of your packaged jar file. jar I see that the output log uses port 8080 to start (other ports are written in my […] After having read this article, you should understand that Spring Boot merely preconfigures these tools for you with sane settings (i. Version: 1. 48 Comments. Are you referring to multiple external files? Spring Boot allows you to  Read properties file outside JAR file (7个答案) 4年前关闭。 如spring-boot-reference中所述: On your application classpath (e. Step 4: Add the dependency Spring Web. In Java, we can use getResourceAsStream or getResource to read a file or multiple files from a resources folder or root of the classpath. They can also be used for storing strings for Internationalization and localization; these are known as Property Resource Bundles. 5. There are applications (one WAR, deployed in Tomcat, and JAR -launched independently). Spring reads the properties defined in this file to configure your application. /gradlew build and then run the JAR file, as follows: java -jar build/libs/gs-accessing-vault-0. M2 has just been released, and it brings with it some interesting changes to the way that application. de 2021 Developing springboot Framework integration , I have a problem , It's how to make @PropertySource can “ scanning ” And load jar package outside  how to work with a properties configuration file outside of your spring java -jar springboot-propeties-outside. inside your jar) you can have  12 de ago. In this article let’s learn how to use Spring Boot @ConfigurationProperties annotation. Step 3: Now run the mvn clean package command. Due to the “make jar not war” motto, all that was required to containerize a Spring Boot app was a container with a JRE to run the jar. In this tutorial we are going to understand executable jar structure of a Spring boot project. Load multiple configuration files from; Spring boot jpa; Spring Annotation Based Configuration; Spring Boot Batch Read XML file and; Spring  Rajeev SinghSpring BootAugust 31, 20183 mins read loads configuration properties from application. Spring application can read from the environment variables and at start-up, Spring application looks for an environment variable named SPRING_APPLICATION_JSON which can carry a set of properties using inline JSON. Upload Multiple Files. . To demonstrate how… In your favourite IDE you can simply right click your Application and click run. Spring Boot will look in the same directory for properties and the values can be accessed as if the file was inside the classpath. Kubernetes. To read a file inside a jar or war file, please use resource. On the New Spring Starter Project Dependencies popup click Finish. Step 7: Import the project folder by using the following steps: We have provided spring-boot-jpa-example. properties files in arbitrary directories with a fat jar? (6) As a result, the spring boot application can read various properties files that are placed outside of the application executable jar. ClassPathResource is a Resource implementation for class path resources. Upload Single File. As Spring works on the concept of fat jar it is good to know for developer the best ways to load a file from classpath in spring boot . by default, spring boot creates a . is an open source container management and orchestration system, which makes it quick and easy to deploy and manage those production grade applications. Basically, we want to move the JPA XML mappings outside of the application JAR so that we can change the mapping without affecting the jar file. jar) contains the Spring Boot app as well as the API (api. Handling uploading and downloading files are very common jobs in most of the web applications. By default, Spring Boot look for externalized default property file application. This is an interesting scenario, hence posting @unixnothing ‘s comment as Community wiki answer. Step 7: Extract the jar file. Additionally, check the production deployment's environment variables for any pertinent configuration settings. You can use properties files, YAML files, environment variables and command-line arguments to externalize configuration. Looking f a solution to modifying t file w/o updating the jar file #spring — Flemming Harms (@fnharms) October 12, 2016. 203d This comes in handy when we have multiple sources of configuration properties. This happens when your application class is defined in base package (in other words, without package declaration) Move your classes to a package to avoid such name conflicts. Step 6: Extract the Jar file and paste it into the STS workspace. war file. If you need configuration properties defined outside your fat jar (or war if that's what you built), Spring Boot offers many options (see reference 1). Run your Spring Boot project using the traditional approach shown below. Sometimes, we need to read file line by line to a String, and process it. Database-Stored Messages for I18n in Spring Boot. location=file:"path  Spring Properties File Outside jar, Spring Boot likes you to externalize your configuration so you can work with the same application code in different  In Java Spring Boot, the application. properties and application. You can define a server’s default port, server’s context path, database URLs etc, in this file. properties file and active these by main application. Profile-specific application properties outside of your packaged jar the case that you need to load values that way, you need to use a properties file. Spring Boot automatically adds static web resources located within any of the following directories: The directories are located in the classpath or in the root of the ServletContext . Step 6: Extract the RAR file. Spring Boot provides the MultipartFile interface to handle HTTP multi-part requests for uploading files. For example, in the file system, classpath, or URL. Here, resources/metafiles will be part of "jar," and still, we will be able to read the contents of these files Spring Boot has simplified the deployment of Java-based web/API applications drastically. location=config/*/ This way, Spring Boot will look for configuration files matching the config/*/ directory pattern outside of our jar file. Why is the configuration file outside the jar package and there is no content in the log file? I can't thank you enough for your advice. 24. We have provided the spring-boot-hello-world-example. 0, Spring Boot supports using multi-document properties files, similarly All of our profiles are packaged within the JAR file as part of our classpath. Spring Boot. (I guess, is it read in  How to read a properties file from Spring boot application using annotations. properties file to store all the messages for a specific language. yml during the build. This is useful any time you pack files and other resources into Jar files to distribute your Java application. Hence, Spring Boot builds on top of Spring Framework. In Spring, you can use @PropertySource annotation to externalize your configuration to a properties file. properties file is always loaded by Spring Boot. In the below example I am going to share with you how to create a web service which accepts a key, reads key value from a property file and returns back a value corresponding to that key as a plain text response. How to work with a properties configuration file outside of your spring boot application! Getting Started. yaml files, give merge the two files and will give precedence to the values in the external file  When we start a new spring boot application we get the file is possible use that method setEnvironment to load the external property file. In this article I will show how to use a property file outside the war create by spring boot. getFile() you will receive an error, because Spring tries to access a file system path, but it can not access a path in your JAR. It contains application-wide properties. Development environment The latest Eclipse Development Environment (Eclipse IDE for Java Developers) version (oxygen. Here are different ways to read file line by line Open Spring Tool Suite IDE, select menu File > New > Spring Starter Project. properties file located in the classpath by default. Step 2: Mention the packing type in the pom. /mvnw spring-boot:run. de 2014 How to read logabck. 2021. However, this approach depends on the access to the application’s We have provided the Artifact spring-boot-ehcache-example. Author. Step 6: Click on the Generate button. 4. For Maven, use the command given below −. It also has a dependency on the API (api. The @PropertySource annotation provides a convenient activemq-broker: This provides embedded activemq in spring boot application. You can set active profiles in many ways - Using application properties. For Gradle, you ca use the command shown below −. Engineering. 14. 1-SNAPSHOT. properties” file in it. You will add code to the project to connect to a database using Spring JDBC. 30. If you’re a Maven user, add the following dependency to your pom. de 2010 Read file outside the JAR Hi All, I'm back from loooong vacation. You can also creating new Spring Boot project using Spring initializr online tool at start In the world of Docker containers, Spring Boot is really a nice way of creating compact self-runnable applications where the needed servlet container is embedded into the executable JAR/WAR file. The plugin (plugin. /mvnw clean package and then run the JAR file, as follows: java -jar target/gs-relational-data-access-0. You can also build a classic WAR file. 0-SNAPSHOT. Take an example of the username and password for all the endpoints. I want to have external. properties file in Spring Boot. Profile Specific Configurations. properties file. If your applications use the fairly typical setup of only using a single The final BOOT JAR (spring-boot-app. I use Spring Boot 1. To demonstrate how… Here's an example of some Java code I'm using to read a file (a text file) from a Java Jar file. 23. Step 1: Using spring initializer create a project structure as shown below The Spring Boot @ConfigurationProperties annotation enables us to bind the external property file or YAML file to a Java Bean Object. It supports resolution as java. If you would like to load a file from classpath in a Spring Boot JAR, then you have to use the resource. 24 de set. In Spring Boot applications, you can typically find the configuration for such resources in the src/main/directory folder, in a file typically called application. Then you can use $ {property_key_name} to get related property values in the spring bean configuration XML file. location) which can be set with a system property: java -jar -Dspring. 19 de out. How to access resource files that are packaged inside the JAR file using Spring Boot. is a widely used JVM-based framework which allows you to build out stand-alone, production grade applications. -- In the package "/config" in classpath. Actually haven't done anything great to blog about, only update is, I  When packaged as a jar, the static directory will be packaged in. The question is: How do I load the  2021. /config. I like my apps to point to an external file using the flag (spring. spring-boot-maven-plugin: It will collect all the jar files present in the classpath and create a single executable jar. Let's define the name of json file to be read with Resource . Sample code referred in this article is available on GitHub. * @param file the root jar file * @throws IOException if the file cannot be read */ JarFile We realized Reading a property source in Spring boot is easy and it can get tricky as well . de 2020 Spring Boot also supports wildcard locations and this feature becomes useful To load the YAML file our Spring Application requires the. But since, we will be configuring our activemq outside the application we have commented it for time being. sgradle clean build. Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. You will create a simple project with Spring Boot. The application will also consider every change made on this file without restart the application. júl. jar. EXPOSE 8080 – exposing 8080 port which this application run, You can define any port here and remember to open it when run the application using docker. 20fd jar app. properties file and use the property server. mvn clean install. de 2020 The problem was that the file was not read. jar 0 directories, 2 files Spring Boot is aware of Spring profiles, as well. It should be in the same directory of the running jar (or in a relative path to it, like . A filter is an object used to intercept the HTTP requests and responses of your application. However, you can also run it from command line using application jar file. Please refer to Spring Boot documentation to understand how Spring Boot read these properties. properties in spring boot . I have my application. 3. Learn different ways to load resources or files (e. xml file outside jar file. The getResourceAsStream method returns an InputStream. Spring Read External Properties File Use Xml Configuration. jar If you use Maven, you can run the application by using . Frequently, we need to read external resources into our Spring application. [java -jar PropertiesLoader-demo-0. febr. 2. I am going to share 3 ways: Read application. -- In the current directory. You will need to run it from the project folder which contains the pom. properties is a file extension for files mainly used in Java related technologies to store the configurable parameters of an application. The default application. Using Docker containers for deployment of Java applications becomes more and more popular these days. From 2. de 2019 You can bundle the configuration file in your application jar or put the file in the filesystem of the runtime environment and load it on Spring  bbb. 0. text files, XML files, properties file, or image files) into the Spring application context. active. If you use Maven, you can run the application by using . · Define the PropertyPlaceholderConfigurer bean in the spring bean configuration XML file. getInputStream () method. Phil Webb. ADD build/libs/dockerize-spring-boot-application-0. The most common spring boot applications are packaged into jar packages running on the server, which contains a series of configuration files and  How does SpringBoot load the configuration file outside the jar package?, Programmer Sought, the best programmer technical posts sharing site. Inside MyProperties class I have the following code, which runs perfectly when run from the same dir : Load file from Spring Boot JAR. Since version 2. de 2020 I want to load external jars from an external folder at runtime in the spring boot application after the application is started without  1. In this article, we'll be demonstrating ways to access values defined within a property file in a Spring Boot project and ways to manipulate them in the code. config. xml file Spring Boot. I want to keep it outside jar file. 2. Because the path is considered relative. This blog describes how to build a web application with Angular and Spring Boot. The getResource method returns an URL and normally convert it to a File; Not working in JAR file. Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other Introduction: Working With Resources In Spring via ResourceLoader. Step 5: Click on the Generate button. Spring Boot - Accessing application arguments. Spring is a popular Java application framework and Spring Boot is a next step of evolution of Spring which helps create stand-alone, production-grade Spring based applications with minimal effort. Potential solutions Allow users to disable overriding and throw an exception if they attempt to set the same property Test Run. Follow the below steps to build executable JAR: Step 1: Go to your Spring Boot application and open the pom. Alternatively, you can build the JAR file with . In this article, I’ll take you through another open source library called OpenCSV for reading and writing CSV files in Java. How can we make these properties files accessible to various applications deployed on JBoss EAP6. Step 5: Add the Spring Web dependency. This will cause some problems: Too many static files make the jar package too large; Temporary  14 de jul. But how can I load the keystore in a jar. location=<path-to-file> myBootProject. One approach is using Maven resource filtering to add the version number as an enviroment variable in the application. It has eliminated the process of deploying a WAR file into the web container provided by Tomcat or any Spring Boot - Executable jar file structure. We can experiment by overriding the connection addresses defined in our properties file by following the steps below. de 2020 Spring boot how to read properties file outside jar在我的目标文件夹中，有2个文件夹，lib和conf。 所有的属性文件都放在conf文件夹中，而jars放  2 de jun. 9. We'd find it easier to use spring. Using Spring Boot, different environments can be configured and updated separately without affecting other environments with the use of property files. We have different ways for reading values from application properties ,here we will discuss three ways for reading keys from application. de 2021 If I include this custom class in the Camunda spring boot application then works fine. If you try to use resource. Another approach is to use the Implementation-Version stored in the manifest file. The steps described here create a runnable JAR. properties file using @ConfigurationProperties and reading a property using the @Value annotation. For example, if MyJar. I am creating a Spring Boot application and i faced this problem. Now you can create an executable JAR file, and run the Spring Boot application by using the Maven or Gradle commands given below −. These resources may be present at different locations. The command I run is as follows:java -Dloader. But I want to exclude this class to the external jar file  25 de fev. Potential solutions Allow users to disable overriding and throw an exception if they attempt to set the same property Java – Read a file from resources folder. Define the PropertyPlaceholderConfigurer bean in the spring bean configuration XML file. let’s always read in an classpath:application. Examples of external resources are text files, XML files, properties files, and image files. 7, the loaded plugin from outside the Spring Boot app now requires permissions to read the BOOT JAR (spring-boot To build and package the Spring Boot app into a single executable Jar file with a Maven, use the below command. In the video below, we take a closer look at how to read the properties file, which is outside the Jar in Spring Boot! First, we'll externalize the properties file. We don’t want this sensitive data in the jar file yet we like to use the same level of flexibility to change the configurations without changing the code base. When we click on the Generate button, it wraps all the specifications related to application into a Jar file and downloads it to the local system. Read properties file from classpath (non-maven) When I try to run my jar from another directory it cannot see the “config” folder with the “url. In this lesson, I am going to show you how to create a Spring Boot application which has functions to download files from the Web Server to a local computer, for example, photo, zip, pdf files, etc. Let's get started! Topics read - spring boot properties file outside jar Spring Boot: Is it possible to use external application. Often we need to load up and read a value from a property file which is stored in a WEB-INF folder of our web app. We realized Reading a property source in Spring boot is easy and it can get tricky as well . Table of ContentsJava 8 StreamsUsing BufferReaderUsing ScannerUsing FilesUsing RandomAccessFileUsing Apache Commons In this post, we will see different ways to read file line by line in java. You can also creating new Spring Boot project using Spring initializr online tool at start Is there a way t have the #JPA mapping file outside the jar file. 1. /conf/config. Firstly, generate your application jar file using Maven or Gradle build. in a tomcat environment, you wouldn’t like to use the embedded server. Spring Boot looks for an externalized configuration file  To load classes in JAR files within a JAR file into the class path, you must write custom code to load those classes. 206e properties. 16 de abr. e. ├── application. In Earlier Tutorial We have Learn How to Change the default port in Spring Boot, Here we see how we can read application. getInputStream() method to retrieve it as a InputStream. We will attempt to create the executable jar using Maven assembly plugin first and then we will create the executable jar with spring-boot maven plugin and compare the jar structure created by the two. There are a few ways to get your application version with Spring Boot. Let's get started! Topics Command to run the jar along with the profile jar: flag spring. 1. properties └── configuration-0. Build Image. the tomcat needs a . path="E:\\xxx\\mall-portal\\target\\lib" -jar target/mall-portal-1. By using filter, we can perform two operations at two instances −. August 13, 2020. Spring boot implicitly registers CommandLinePropertySource with the Spring Environment. ApplicationArguments provides access to the arguments that were used to run a SpringApplication. ResponseEntity<InputStreamResource>: Write a method to return ResponseEntity. One of the most interesting and powerful features provided by Spring Boot is the ability to define profile specific application. · Set  We can use InputStream to read a file from classpath in your Spring boot application . Profiles are a mechanism that lets you tag objects and property files so that they can be selectively activated or deactivated at runtime. Spring Boot 2. By default, Spring boot serves static content from one of the following locations in the classpath: /static. In the world of Docker containers, Spring Boot is really a nice way of creating compact self-runnable applications where the needed servlet container is embedded into the executable JAR/WAR file. Create Spring boot application. pom. jar contains  30 de jul. This object wraps an InputStreamResource Spring boot property resolution order. Download File. jar) is a separate JAR that gets loaded during runtime. In Spring boot application, there are two ways we can access application arguments: By injecting ApplicationArguments. Get the spring boot scheduled cron expression from outside jar file Load resource in a jar file Java Spring can't load php file with jquery and access variable outside the file 1. Spring boot provides many ways to configure this but most of them are used only if we read the property file from classpath if we are going to read from file system then it will not accessible and ├── application. Step 4: Add the dependencies: Spring Web, Spring Data JPA, and H2 Database. read - spring boot properties file outside jar Spring Boot: Is it possible to use external application. In this way, the spring boot application can read external configuration files in two ways (in fact, external jars are also available)! The above is the  2020. profiles. I'm building a jar (with Maven and Spring Boot) that needs to read an external property file. 0. When we click on the Generate button, it wraps all the specifications into a jar file and downloads it to our local system. xml file 1. properties or . Integrating Spring Boot and Spring JDBC with H2 and Starter JDBC. Before sending a response to the client. -- In the "/config" directory of current folder. 1- Objective of Lesson. jar --spring. 2020. Learn using Spring Boot Starter JDBC to connect Spring Boot to H2 (in memory database) using Spring JDBC. When we click on the Generate button, it wraps the project in Jar file and downloads it to the local system. jar – Here it’s copying the jar file which built on this application and rename it to app. Activating a Spring Profile. I have a requirement to keep all property file outside project in mule 4 If you're thinking of something like spring config then that is  I've got 2 jars - 1 contains all the class files (including the main executable file), the other all the images i need. In this post, we’ll see various ways to access and load the contents of a file that’s on the classpath using Spring. Open Spring Tool Suite IDE, select menu File > New > Spring Starter Project. properties file outside of jar to configure properties such like: name, password, etc. properties in recource folder but i also need external. jar file needs to be added as well. g. Both are written using SpringBoot 1. These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. Spring Boot - Servlet Filter. You can also creating new Spring Boot project using Spring initializr online tool at start In the video below, we take a closer look at how to read the properties file, which is outside the Jar in Spring Boot! First, we'll externalize the properties file. See full list on baeldung. A Spring Boot application can be deployed in a variety of environments and reading environment variables can be helpful in such cases. properties file outside of jar and inside resources folder for testing while developing. io. properties files in arbitrary directories with a fat jar? (6) This definitely works but Spring Boot offers a much simpler solution. We don't want to also have to include our environment-specific profiles outside of our JAR files. active=error] After running the command, you can see in the log what are the files loaded and its location. java -jar build/libs/gs-relational-data-access-0. In our example, we run our spring-boot-app as a java –jar <app-name>. ENTRYPOINT — This instructs Docker to configure a container that will run as an exe file, by specifying how to run the application. The source code to read a file from a Java Jar file uses the getClass and getResourceAsStream A better alternative is to use spring boot and angular to build simple web applications, and they can be deployed in a single jar file. If your applications use the fairly typical setup of only using a single Most Spring Boot applications need minimal Spring configuration. The externalised properties files are not part of the application jar can be linked dynamically in the command line arguments. After “BUILD SUCCESS”, you can find the JAR file under target directory. aug. 3" ADD build/libs/dockerize-spring-boot-application-0. Spring ResourceLoader provides a unified getResource () method for us to retrieve an external resource by a resource path. location property may be used to configure the single external properties file. jar file as an output. In this article, we will discuss how to use @PropertySource to read a properties file and display the values with @Value and Environment. How to read a Java Jar file, example #1. Set the jdbc. Spring ResourceLoaderAware – Read file in Spring. The most common approach to i18n in Spring Boot is to use the messages. yml. jks ke I refer to itThis blogThe jar package of springboot is slimmed down successfully, but it is found that the configuration file in the jar package cannot be read. And I find that tomcat can't read the keystore conatined in a jar. Spring boot provides many ways to configure this but most of them are used only if we read the property file from classpath if we are going to read from file system then it will not accessible and will Alternatively, you can build the JAR file by using . The same applies for profile-specific properties files. As instructions to create Docker Image has been specified. File if the class path resource resides in the file system, but not for resources in a JAR. de 2021 Learn how to load Spring properties from outside the jar package. Packing your Spring Boot app in a Docker container and deploying that application to Kubernetes has been possible for a while now and took very little effort. After this you can run the command, pass argument and see the service prints it. com Spring boot can to read properties files from outside jars that contains application configurations in key-value pairs. Let’s build the docker image now. Now, we need to activate a spring profile so that the corresponding properties file is loaded by spring boot. If you wanna check the code, you can download it from git. 33b Spring Boot provides an option to read custom property file directly from the filesystem of the runtime environment. properties file location to above bean’s locations attributes value. In the spring dock, when loading resources,  16 de jan. yml files are loaded. 1 at the time of this project) was downloaded and it already contains Maven. To ship a new version of application you just build a Docker image with new version of JAR file and push it to the repository, so the deployment team can … Continue reading "Spring Tips #2: Layered JARs with Spring Boot 2. jar If you need configuration properties defined outside your fat jar (or war if that's what you built), Spring Boot offers many options (see reference 1). Reading single external properties file The spring. spring boot read file outside jar 0