报错信息如下:
[ERROR]Activator initialize error : websocket
[ERROR]io/netty/util/concurrent/GenericFutureListener
java.lang.NoClassDefFoundError: io/netty/util/concurrent/GenericFutureListener
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
……
Caused by: java.lang.ClassNotFoundException: io.netty.util.concurrent.GenericFutureListener
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1363)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1186)
... 45 more
类找不到,应该是缺少了依赖,这个类对应的依赖可以从中得到它
https://mvnrepository.com/art…
你可以加
<!-- https://mvnrepository.com/artifact/io.netty/netty-all -->
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
<version>5.0.0.Alpha2</version>
</dependency>
到 pom 文件或从站点下载 jar 并将其添加到类路径或 lib 文件夹