rocketMq4.2.0 starts the broker and reports an error that the main class cannot be found or cannot be loaded Files\Java\jdk1.8.0_101\lib\dt.jar; C:\Program]

If a prompt box pops up saying 'Error: Main class xxxxxx cannot be found or cannot be loaded'. Open runbroker.cmd and add English double quotes to '%CLASSPATH%'. Save and re-execute the start statement. Do the processing as shown below

But there is still some problem with the output

Despite this, mq can already be started

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Origin blog.csdn.net/zy08403/article/details/81207857