如何查找i4jlauncher.config?运行install4j Mac启动器找不到该文件怎么办
问题原因
报错路径前缀的null说明MacLauncher启动时没有获取到.app包的根目录,拼接配置文件路径时前缀为空,才会出现null/Contents/Resources/i4jlauncher.config的无效路径。
解决方案
你可以在启动命令中传入install4j预设的系统属性指定路径,有两种可选方案:
方案1:指定.app根目录
添加-Dinstall4j.appDir参数指向你的thinkorswim.app根目录即可:
java -cp '/Applications/thinkorswim/.install4j/i4jruntime.jar:/Applications/thinkorswim/launcher-first.jar:/Applications/thinkorswim/launcher.jar' \ -Dinstall4j.appDir=/Applications/thinkorswim/thinkorswim.app \ com.install4j.runtime.launcher.MacLauncher
方案2:直接指定配置文件路径
如果方案1不生效,可以直接通过-Di4j.config参数指向配置文件的绝对路径,跳过路径拼接逻辑:
java -cp '/Applications/thinkorswim/.install4j/i4jruntime.jar:/Applications/thinkorswim/launcher-first.jar:/Applications/thinkorswim/launcher.jar' \ -Di4j.config=/Applications/thinkorswim/thinkorswim.app/Contents/Resources/i4jlauncher.config \ com.install4j.runtime.launcher.MacLauncher
补充说明
正常使用场景下不需要手动调用MacLauncher启动类,直接双击.app包或者执行open /Applications/thinkorswim/thinkorswim.app即可启动,无需额外传参。
内容的提问来源于stack exchange,提问作者user1424739
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