问题描述
我尝试在eclipse中使用二进制文件安装Tomcat服务器。当我运行cmd并运行启动命令时,cmd打开和关闭,这些写在cmd屏幕上:
>startup
Using CATALINA_BASE: "C:\Program Files\Tomcat\apache-tomcat-8.5.69"
Using CATALINA_HOME: "C:\Program Files\Tomcat\apache-tomcat-8.5.69"
Using CATALINA_TMPDIR: "C:\Program Files\Tomcat\apache-tomcat-8.5.69\temp"
Using JRE_HOME: "C:\Program Files\Java\jdk-15.0.2"
Using CLAsspATH: "C:\Program Files\Tomcat\apache-tomcat-8.5.69\bin\bootstrap.jar;C:\Program Files\Tomcat\apache-tomcat-8.5.69\bin\tomcat-juli.jar"
(startup.bat 也尝试过,但行为相同)
-
当我运行这个命令时:
catalina.bat 运行
Using CATALINA_BASE: "C:\Program Files\Tomcat\apache-tomcat-8.5.69"
Using CATALINA_HOME: "C:\Program Files\Tomcat\apache-tomcat-8.5.69"
Using CATALINA_TMPDIR: "C:\Program Files\Tomcat\apache-tomcat-8.5.69\temp"
Using JRE_HOME: "C:\Program Files\Java\jdk-15.0.2"
Using CLAsspATH: "C:\Program Files\Tomcat\apache-tomcat-8.5.69\bin\bootstrap.jar;C:\Program Files\Tomcat\apache-tomcat-8.5.69\bin\tomcat-juli.jar"
-Djava.endorsed.dirs=C:\Program Files\Tomcat\apache-tomcat-8.5.69\endorsed is not supported. Endorsed standards and standalone APIs
in modular form will be supported via the concept of upgradeable modules.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
>java -version
java 版本 "15.0.2" 2021-01-19
Java(TM) SE 运行时环境
(build 15.0.2+7-27)
Java HotSpot(TM) 64-Bit Server VM (build
15.0.2+7-27,混合模式,分享)
>javac -version
javac 15.0.2
- 在项目中,JRE设置是这样的:
项目 -> 属性 -> Java 构建路径 -> 库 -> JRE 系统库 -> JavaSE-1.8
- Eclipse 版本是:
面向 Java 开发人员的 Eclipse IDE(包括孵化组件)
版本:2020-12 (4.18.0)
>echo %CATALINA_HOME%
C:\Program Files\Tomcat\apache-tomcat-8.5.69
>echo %JAVA_HOME%
%CATALINA_HOME%\bin 存在于 Path 变量中。
C:\Program Files\Java\jdk-15.0.2
解决方法
234 rem Java 9 no longer supports the java.endorsed.dirs
235 rem system property. Only try to use it if
236 rem JAVA_ENDORSED_DIRS was explicitly set
237 rem or CATALINA_HOME/endorsed exists.
238 set ENDORSED_PROP=ignore.endorsed.dirs
239 if "%JAVA_ENDORSED_DIRS%" == "" goto noEndorsedVar
240 set ENDORSED_PROP=java.endorsed.dirs
241 goto doneEndorsed
242 :noEndorsedVar
243 if not exist "%CATALINA_HOME%\endorsed" goto doneEndorsed
244 set ENDORSED_PROP=java.endorsed.dirs
245 :doneEndorsed
此外,从错误消息中可以看出,该属性是在 tomcat start 命令行上传递的:-Djava.endorsed.dirs= ...
所以 JAVA_ENDORSED_DIRS
env var 存在或 CATALINA_HOME/endorsed
目录存在。>