java-14

问题 I'm running a KeyCloak server to authenticate users which would like to gain access a SpringBoot-Web RestAPI. However, I an error occurs while trying to authenticate. The following works: When I access my http://localhost:8080/path/to/restapi I get presented with a login screen as expected: -- KeyCloak Login Screen When I click login the following error occurs on the redirect from within my browser: Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing

问题 I'm running a KeyCloak server to authenticate users which would like to gain access a SpringBoot-Web RestAPI. However, I an error occurs while trying to authenticate. The following works: When I access my http://localhost:8080/path/to/restapi I get presented with a login screen as expected: -- KeyCloak Login Screen When I click login the following error occurs on the redirect from within my browser: Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing

问题 Why is Java JPackage installing Windows dll files in two places ? My Jlink cmd is: "C:\Program Files\AdoptOpenJDK\jdk-14.0.0.36-hotspot\bin\jlink" --module-path="C:\Program Files\AdoptOpenJDK\jdk-14.0.0.36-hotspot\jmods" --add-modules java.desktop,java.datatransfer,java.logging,java.management,java.naming,java.net.http,java.prefs,java.scripting,java.sql,jdk.management,jdk.unsupported,jdk.scripting.nashorn,jdk.jcmd --output C:\code\jthink\jaikoz\windowsjre\JVM64 and my build command is "C:

问题 Using Intellij IDEA, I created a new Gradle project using Gradle 6.4 and Java 14, but when I try to build the project, I'm getting this error : No enum constant org.gradle.api.JavaVersion.VERSION_14 What do I do ? Edit 1 : I'm using the latest EAP version of IDEA. 回答1: It is known issue with 2020.2 EAP version: IDEA-243097. Will be fixed in the next EAP update (expected next week). Sorry for the inconvenience. As a workaround please downgrade IDE version. 来源： https://stackoverflow.com

问题 Using Intellij IDEA, I created a new Gradle project using Gradle 6.4 and Java 14, but when I try to build the project, I'm getting this error : No enum constant org.gradle.api.JavaVersion.VERSION_14 What do I do ? Edit 1 : I'm using the latest EAP version of IDEA. 回答1: It is known issue with 2020.2 EAP version: IDEA-243097. Will be fixed in the next EAP update (expected next week). Sorry for the inconvenience. As a workaround please downgrade IDE version. 来源： https://stackoverflow.com

问题 It's easy to compile your Java sources with --enable-preview : <!-- Enable preview features --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <release>15</release> <compilerArgs>--enable-preview</compilerArgs> </configuration> </plugin> But how can you then run exec:java ? Using <!-- Exec plugin.. run with `mvn exec:java` --> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven

问题 It's easy to compile your Java sources with --enable-preview : <!-- Enable preview features --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <release>15</release> <compilerArgs>--enable-preview</compilerArgs> </configuration> </plugin> But how can you then run exec:java ? Using <!-- Exec plugin.. run with `mvn exec:java` --> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven

问题 Looking to use records from Java 14 in a gradle build, but am getting: thufir@dur:~/NetBeansProjects/FileWatcherHandler$ thufir@dur:~/NetBeansProjects/FileWatcherHandler$ gradle clean build > Task :compileJava FAILED /home/thufir/NetBeansProjects/FileWatcherHandler/src/main/java/net/bounceme/dur/files/FXOrder.java:3: error: records are a preview feature and are disabled by default. public record FXOrder(int units) {} ^ (use --enable-preview to enable records) 1 error FAILURE: Build failed

问题 Looking to use records from Java 14 in a gradle build, but am getting: thufir@dur:~/NetBeansProjects/FileWatcherHandler$ thufir@dur:~/NetBeansProjects/FileWatcherHandler$ gradle clean build > Task :compileJava FAILED /home/thufir/NetBeansProjects/FileWatcherHandler/src/main/java/net/bounceme/dur/files/FXOrder.java:3: error: records are a preview feature and are disabled by default. public record FXOrder(int units) {} ^ (use --enable-preview to enable records) 1 error FAILURE: Build failed

问题 I installed JDK 14 and started using it. However projects that use Gradle 6.2.2 cannot work, the following error "Could not initialize class org.codehaus.groovy.runtime.InvokerHelper" appear each time I try to invoke a Gradle Task. Other projects , for instance maven projects and plain java projects work OK. An easy way to reproduce this error is by creating a new folder and attempting to run the init task. For instance: gradle init --type basic FAILURE: Build failed with an exception. What