记录一下,今天无意中用到单独编译和执行某个java类,遇到各种Error: Could not find or load main class等问题,解决方案如下其中2和3选其一试试~
1、javac DownloadFileTest.java -classpath aliyun-sdk-oss-3.1.0.jar
 
2、java -Djava.ext.dirs=/Users/adminbj/test/ DownloadFileTest

3、java -cp .:/root/test/aliyun-sdk-oss-3.1.0.jar:/root/test/httpcore-4.4.9.jar:/root/test/jdom-1.1.jar:/root/test/logback-core-1.1.11.jar:/root/test/slf4j-api-1.7.25.jar:/root/test/httpclient-4.5.5.jar:/root/test/jcl-over-slf4j-1.7.25.jar:/root/test/logback-classic-1.1.11.jar:/root/test/commons-codec-1.10.jar DownloadFileTest

 

关于-Djava.ext.dirs 和 -cp的区别可见http://itindex.net/detail/56294-djava-ext-dirs

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