Exception in thread "main" java.util.regex.PatternSyntaxException: Unclosed character class near index 0 解决方法: 要对切割字符进行转义\\2023-07-23 09:06:40使用str.split("[",15)时，出现Exception in thread "main" java.util.regex.PatternSyntaxException: Unclosed character class near index 0 [ ^的问题 解决办法为在[加上\\转义 str.split("\\[",15) 上一篇：基于Web的Kafka管理器工具之Kafka-manager启动时出现Exception in thread "main" java.lang.UnsupportedClassVersionError错误解决办法（图文详解）下一篇：Exception in thread "main" java.nio.channels.NotYetConnectedException