无法启动应用程序"javaws"

Question

我无法启动" javaws -viewer "。我在" Windows10 "上，当我在Run窗口中键入以下命令时，会收到一个错误消息。请在下面找到相同的屏幕截图。

javaws –viewer

javaws查看器

单击详细信息，我看到以下跟踪。任何帮助将不胜感激。

java.io.FileNotFoundException: –viewer (The system cannot find the file specified)
    at java.base/java.io.FileInputStream.open0(Native Method)
    at java.base/java.io.FileInputStream.open(Unknown Source)
    at java.base/java.io.FileInputStream.<init>(Unknown Source)
    at java.base/java.io.FileInputStream.<init>(Unknown Source)
    at jdk.javaws@9.0.4/com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
    at jdk.javaws@9.0.4/com.sun.javaws.Main.prepareLaunchDesc(Unknown Source)
    at jdk.plugin@9.0.4/sun.plugin2.main.WebStart.launchApp(Unknown Source)
    at jdk.plugin@9.0.4/sun.plugin2.main.WebStart.continueInSecureThread(Unknown Source)
    at jdk.plugin@9.0.4/sun.plugin2.main.WebStart.access$000(Unknown Source)
    at jdk.plugin@9.0.4/sun.plugin2.main.WebStart$1.run(Unknown Source)
    at java.base/java.lang.Thread.run(Unknown Source)

其他详细信息：

• 我在Windows机器上安装了两个版本的Java(Java8和Java9(。在环境变量中，我设置了 JAVA_HOME 指向Java8，该路径也指向" C： Program Files Java JDK1.8.0_162 bin 但是我以某种方式在命令提示结果中看到Java-9版本

(注意：设置环境变量后多次重新启动命令。不确定是否将原始问题与此绑定在一起(。

>java -version
java version "9.0.4"
Java(TM) SE Runtime Environment (build 9.0.4+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)

Answer 1

Oracle安装程序将目录(C： ProgramData Oracle Java Javapath(放置，并在路径前面安装。检查您的路径变量，并检查路径上是否具有" where java"的路径可执行文件。