java-9

问题 Import of a Java-9-Jigsaw-Maven-Project in Eclipse Oxygen 4.7 does not work I use: JDK 9 build 9-ea+172 Maven 3.5.0 Eclipse Oxygen 4.7 RC3 Version 4.7.0.I20170531-2000 from 2017-05-31 Eclipse-Plugins: Eclipse JDT (Java Development Tools) Patch with Java 9 support (BETA) for Oxygen development stream, 1.1.1.v20170526-0728_BETA_JAVA9 m2e - Maven Integration for Eclipse (includes Incubating components), 1.8.0.20170516-2043 Creata a new Jigsaw-Maven-Project: mkdir proj1\a\src\main\java\a\a cd

问题 FATAL: Could not initialize class hudson.util.ProcessTree$UnixReflection java.lang.NoClassDefFoundError: Could not initialize class hudson.util.ProcessTree$UnixReflection at hudson.util.ProcessTree$UnixProcess.kill(ProcessTree.java:647) at hudson.util.ProcessTree$UnixProcess.killRecursively(ProcessTree.java:668) at hudson.util.ProcessTree$UnixProcess.killRecursively(ProcessTree.java:667) at hudson.util.ProcessTree$Unix.killAll(ProcessTree.java:589) at hudson.Launcher$LocalLauncher.kill

问题 I upgraded the SDK that my project uses to Java 10. The following import statement caused an error: import javax.annotation.PostConstruct; Package 'javax.annotation' is declared in module 'java.xml.ws.annotation', but module 'application' does not read it Hitting ALT+ENTER to let Intellij fix it, I received the following options: I selected Add Maven Dependency... and the following dependency was added to pom.xml. <dependency> <groupId>javax.annotation</groupId> <artifactId>javax.annotation

问题 In order to test if a project is ready for java 9, I tried the last couple hours to get eclipse compiling the complete project. Here's what I did: I'm using XUbuntu in a virtual machine by the way... I installed the latest openjdk-9-* packages and removed all java 8 packages. I downloaded the eclipse installer for eclipse oxygen and installed the default version of eclipse for Java SE. I started eclipse and installed the Java 9 Support Package from the marketplace and tried importing the

问题 Java 9 will restrict any access to private API. That means that the known methods of retrieving the window hwnd using Reflection won't work anymore. Is there still a way to get them? I ask because I have a library that offers an API for manipulating the Taskbar (in a similar way that Java9 offers). The Java 9 API is still for AWT, so I hope I can get my project setup for Java 9 and JavaFX. I used to just call the private methods, but this will stop working. Any solution is appreciated. Native

问题 I'm getting below exception while running basic groovy script from console after installation. For installation I have used the installer: Java version: jdk-9.0.1 , jre-9.0.1 Exception thrown java.lang.NoClassDefFoundError: Unable to load class groovy.xml.jaxb.JaxbGroovyMethods due to missing dependency javax/xml/bind/Marshaller at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke

问题 An Exception is thrown in this particular block. try { transport.m_readListener.onReadTransport(transport); } catch (IOException e) { ->onIOException(e,transport); } The onIOException() method puts it on the log: private void onIOException(IOException e, AbstractConnection connection) { String reason = e.getMessage(); ... log.error("Closing ",connection," because ",reason); } The reason variable in Java 8 shows a correct japanese phrase: reason : 既存の接続はリモート ホストに強制的に切断されました 。 (meaning: The

问题 I am working on Java 9 BETA version using Eclipse Mars , Want yo know does Tomcat provided support for Java 9 BETA ? 回答1: Update August 26, 2017 In my quest to answer Run Vaadin 8.1 app under Java 9 prerelease in IntelliJ 2017.2.2, I'd discovered that Apache-tomcat-9.0.x is compatible with Java 9 and can be configured to start with Using JRE_HOME:/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/ using a JDK9 Early Access currently in the final candidate stage. 回答2: As long as Java 9

问题 I have a build.xml file that uses xjc to generate some Java classes. Everything builds fine in Java 1.8, but updating to Java 9 causes the following error: xjc-gen-boxes: [xjc] C:\Users\dev\Documents\Dev\bc\bcce2\build\gensrc\co\boxes\v2 is not found and thus excluded from the dependency check [xjc] Compiling file:/C:/Users/dev/Documents/Dev/bc/bcce2/co/src/co/kat/install/boxes/Box.xsd BUILD FAILED C:\Users\dev\Documents\Dev\bc\bcce2\co\build.xml:720: java.lang.NoClassDefFoundError: javax/xml

问题 Just installed Apache Spark 2.2.0-4 in my arch linux, as well as Scala 2.12.4 and Apache Hadoop 3.0, and I'm facing the following exception once I execute spark-shell . Exception in thread "main" java.lang.NullPointerException at scala.reflect.internal.SymbolTable.exitingPhase(SymbolTable.scala:256) at scala.tools.nsc.interpreter.IMain$Request.x$20$lzycompute(IMain.scala:896) at scala.tools.nsc.interpreter.IMain$Request.x$20(IMain.scala:895) at scala.tools.nsc.interpreter.IMain$Request