java 工程 eclipse中启动tomcat7 无法启动起来，点击发布也发布不了

[yuyanjun340]

严重: Servlet.service() for servlet [jsp] in context with path [] threw exception [java.lang.IllegalStateException: No output folder] with root cause
java.lang.IllegalStateException: No output folder
at org.apache.jasper.JspCompilationContext.createOutputDir(JspCompilationContext.java:752)
at org.apache.jasper.JspCompilationContext.getOutputDir(JspCompilationContext.java:203)
at org.apache.jasper.JspCompilationContext.getClassFileName(JspCompilationContext.java:598)
at org.apache.jasper.compiler.Compiler.isOutDated(Compiler.java:459)
at org.apache.jasper.compiler.Compiler.isOutDated(Compiler.java:423)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:653)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1137)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)

[我爱娃哈哈]

这个原因主要是权限的问题，在tomcat/work/Catalina/localhost/，主要是这个目录没有被读写的权限，导致文件不能被编译到该指定的工作目录中，此时我们就要针对与这个目录做一些权限的修改权限至少要达到755或者以上，同时注意此处修改权限必须用root身份进行操作，否则不能进行修改，修改完后编译好的jsp文件就在localhost的目录当中了。