如何解决java.lang.IllegalStateException：没有Java编译器可用于配置选项compilerClassName

Question

如何解决java.lang.IllegalStateException：没有Java编译器可用于配置选项compilerClassName。 我用embedded-tomcat 8.0.46春季4.3.10.RELEASE

java.lang.IllegalStateException: No Java compiler available for configuration options compilerClassName: [null] and comp 
iler: [null] 
     at org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext.java:231) 
     at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:578) 
     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363) 
     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) 
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) 
     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) 
     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:716) 

Answer 1

尝试增加

<dependency> 
    <groupId>org.eclipse.jdt.core.compiler</groupId> 
    <artifactId>ecj</artifactId> 
    <version>4.6.1</version> 
    <scope>provided</scope> 
</dependency> 

到Maven的pom.xml。

看看： https://www.mkyong.com/spring-boot/spring-boot-web-jsp-no-java-compiler-available/